{"asset": "chemical-regulatory-reporting-thresholds", "asset_type": "threshold", "body": "Cross-program comparison of federal regulatory thresholds for hazardous chemicals. Each record is one chemical with the thresholds that trigger obligations under different federal programs: CERCLA reportable quantity (release reporting to NRC), EPCRA Section 302 threshold planning quantity (emergency planning), EPCRA Section 313 reporting threshold (TRI), and CAA Section 112(r) threshold quantity (risk management plan). The product is the cross-reference: for benzene, CERCLA RQ is 10 lb, EPCRA TPQ does not apply (not an EHS), but Section 313 threshold is 10 lb \u2014 three different programs, three different questions, answered from one page. Answers 'what are all my reporting obligations for [chemical]', 'is [chemical] an extremely hazardous substance under EPCRA', and 'what is the reportable quantity for [chemical]'.\n", "description": "Cross-program comparison of federal regulatory thresholds for hazardous chemicals. Each record is one chemical with the thresholds that trigger obligations under different federal programs: CERCLA reportable quantity (release reporting to NRC), EPCRA Section 302 threshold planning quantity (emergency planning), EPCRA Section 313 reporting threshold (TRI), and CAA Section 112(r) threshold quantity (risk management plan). The product is the cross-reference: for benzene, CERCLA RQ is 10 lb, EPCRA TPQ does not apply (not an EHS), but Section 313 threshold is 10 lb \u2014 three different programs, three different questions, answered from one page. Answers 'what are all my reporting obligations for [chemical]', 'is [chemical] an extremely hazardous substance under EPCRA', and 'what is the reportable quantity for [chemical]'.", "file": "index.md", "generated": true, "harvested": "2026-08-05", "key_field": "substance", "licence": "US government work \u2014 public domain. All values from 40 CFR 302.4 and 40 CFR 355, published by EPA in the eCFR.", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4", "https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "title": "US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "dataset", "verified": false}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1,1,2-Tetrachloroethane\n\n**CAS No.:** 630-20-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U208\n\n**Regulatory categories:** 4\n\n> 1,1,1,2-Tetrachloroethane | 630-20-6 | 4 | U208 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "630-20-6", "cercla_rq_lbs": "100", "file": "1-1-1-2-tetrachloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-1-2-tetrachloroethane", "rcra_waste_number": "U208", "regulatory_categories": "4", "source_quote": "1,1,1,2-Tetrachloroethane | 630-20-6 | 4 | U208 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1,1,2-Tetrachloroethane", "title": "1,1,1,2-Tetrachloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1,1-Trichloroethane\n\n**CAS No.:** 71-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U226\n\n**Regulatory categories:** 2,3,4\n\n> 1,1,1-Trichloroethane | 71-55-6 | 2,3,4 | U226 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-55-6", "cercla_rq_lbs": "1000", "file": "1-1-1-trichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-1-trichloroethane", "rcra_waste_number": "U226", "regulatory_categories": "2,3,4", "source_quote": "1,1,1-Trichloroethane | 71-55-6 | 2,3,4 | U226 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1,1-Trichloroethane", "title": "1,1,1-Trichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1,2,2-Tetrachloroethane\n\n**CAS No.:** 79-34-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U209\n\n**Regulatory categories:** 2,3,4\n\n> 1,1,2,2-Tetrachloroethane | 79-34-5 | 2,3,4 | U209 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-34-5", "cercla_rq_lbs": "100", "file": "1-1-2-2-tetrachloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-2-2-tetrachloroethane", "rcra_waste_number": "U209", "regulatory_categories": "2,3,4", "source_quote": "1,1,2,2-Tetrachloroethane | 79-34-5 | 2,3,4 | U209 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1,2,2-Tetrachloroethane", "title": "1,1,2,2-Tetrachloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1,2-Trichloroethane\n\n**CAS No.:** 79-00-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U227\n\n**Regulatory categories:** 2,3,4\n\n> 1,1,2-Trichloroethane | 79-00-5 | 2,3,4 | U227 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-00-5", "cercla_rq_lbs": "100", "file": "1-1-2-trichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-2-trichloroethane", "rcra_waste_number": "U227", "regulatory_categories": "2,3,4", "source_quote": "1,1,2-Trichloroethane | 79-00-5 | 2,3,4 | U227 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1,2-Trichloroethane", "title": "1,1,2-Trichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dichloro-\n\n**CAS No.:** 91-94-1\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U073\n\n**Regulatory categories:** 2,3,4\n\n> [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dichloro- | 91-94-1 | 2,3,4 | U073 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-94-1", "cercla_rq_lbs": "1", "file": "1-1-biphenyl-4-4-diamine-3-3-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-biphenyl-4-4-diamine-3-3-dichloro", "rcra_waste_number": "U073", "regulatory_categories": "2,3,4", "source_quote": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dichloro- | 91-94-1 | 2,3,4 | U073 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dichloro-", "title": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethoxy-\n\n**CAS No.:** 119-90-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U091\n\n**Regulatory categories:** 3,4\n\n> [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethoxy- | 119-90-4 | 3,4 | U091 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-90-4", "cercla_rq_lbs": "100", "file": "1-1-biphenyl-4-4-diamine-3-3-dimethoxy.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-biphenyl-4-4-diamine-3-3-dimethoxy", "rcra_waste_number": "U091", "regulatory_categories": "3,4", "source_quote": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethoxy- | 119-90-4 | 3,4 | U091 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethoxy-", "title": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethyl-\n\n**CAS No.:** 119-93-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U095\n\n**Regulatory categories:** 3,4\n\n> [1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethyl- | 119-93-7 | 3,4 | U095 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-93-7", "cercla_rq_lbs": "10", "file": "1-1-biphenyl-4-4-diamine-3-3-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-biphenyl-4-4-diamine-3-3-dimethyl", "rcra_waste_number": "U095", "regulatory_categories": "3,4", "source_quote": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethyl- | 119-93-7 | 3,4 | U095 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethyl-", "title": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine,3,3\u2032-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** [1,1\u2032-Biphenyl]-4,4\u2032-diamine\n\n**CAS No.:** 92-87-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U021\n\n**Regulatory categories:** 2,3,4\n\n> [1,1\u2032-Biphenyl]-4,4\u2032-diamine | 92-87-5 | 2,3,4 | U021 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "92-87-5", "cercla_rq_lbs": "1", "file": "1-1-biphenyl-4-4-diamine.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-biphenyl-4-4-diamine", "rcra_waste_number": "U021", "regulatory_categories": "2,3,4", "source_quote": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine | 92-87-5 | 2,3,4 | U021 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine", "title": "[1,1\u2032-Biphenyl]-4,4\u2032-diamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1-Dichloroethane\n\n**CAS No.:** 75-34-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U076\n\n**Regulatory categories:** 2,3,4\n\n> 1,1-Dichloroethane | 75-34-3 | 2,3,4 | U076 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-34-3", "cercla_rq_lbs": "1000", "file": "1-1-dichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-dichloroethane", "rcra_waste_number": "U076", "regulatory_categories": "2,3,4", "source_quote": "1,1-Dichloroethane | 75-34-3 | 2,3,4 | U076 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1-Dichloroethane", "title": "1,1-Dichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1-Dichloroethylene\n\n**CAS No.:** 75-35-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U078\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,1-Dichloroethylene | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-35-4", "cercla_rq_lbs": "100", "file": "1-1-dichloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-dichloroethylene", "rcra_waste_number": "U078", "regulatory_categories": "1,2,3,4", "source_quote": "1,1-Dichloroethylene | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1-Dichloroethylene", "title": "1,1-Dichloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1-Dichloropropane\n\n**CAS No.:** 78-99-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,2\n\n> 1,1-Dichloropropane | 78-99-9 | 1,2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-99-9", "cercla_rq_lbs": "1000", "file": "1-1-dichloropropane.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-dichloropropane", "regulatory_categories": "1,2", "source_quote": "1,1-Dichloropropane | 78-99-9 | 1,2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1-Dichloropropane", "title": "1,1-Dichloropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,1-Dimethylhydrazine\n\n**CAS No.:** 57-14-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U098\n\n**Regulatory categories:** 3,4\n\n> 1,1-Dimethylhydrazine | 57-14-7 | 3,4 | U098 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-14-7", "cercla_rq_lbs": "10", "file": "1-1-dimethylhydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "1-1-dimethylhydrazine", "rcra_waste_number": "U098", "regulatory_categories": "3,4", "source_quote": "1,1-Dimethylhydrazine | 57-14-7 | 3,4 | U098 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,1-Dimethylhydrazine", "title": "1,1-Dimethylhydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2:3,4-Diepoxybutane\n\n**CAS No.:** 1464-53-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U085\n\n**Regulatory categories:** 4\n\n> 1,2:3,4-Diepoxybutane | 1464-53-5 | 4 | U085 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1464-53-5", "cercla_rq_lbs": "10", "file": "1-2-3-4-diepoxybutane.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-3-4-diepoxybutane", "rcra_waste_number": "U085", "regulatory_categories": "4", "source_quote": "1,2:3,4-Diepoxybutane | 1464-53-5 | 4 | U085 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2:3,4-Diepoxybutane", "title": "1,2:3,4-Diepoxybutane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2,3-Propanetriol, trinitrate\n\n**CAS No.:** 55-63-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P081\n\n**Regulatory categories:** 4\n\n> 1,2,3-Propanetriol, trinitrate | 55-63-0 | 4 | P081 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-63-0", "cercla_rq_lbs": "10", "file": "1-2-3-propanetriol-trinitrate.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-3-propanetriol-trinitrate", "rcra_waste_number": "P081", "regulatory_categories": "4", "source_quote": "1,2,3-Propanetriol, trinitrate | 55-63-0 | 4 | P081 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2,3-Propanetriol, trinitrate", "title": "1,2,3-Propanetriol, trinitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2,4,5-Tetrachlorobenzene\n\n**CAS No.:** 95-94-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U207\n\n**Regulatory categories:** 4\n\n> 1,2,4,5-Tetrachlorobenzene | 95-94-3 | 4 | U207 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-94-3", "cercla_rq_lbs": "5000", "file": "1-2-4-5-tetrachlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-4-5-tetrachlorobenzene", "rcra_waste_number": "U207", "regulatory_categories": "4", "source_quote": "1,2,4,5-Tetrachlorobenzene | 95-94-3 | 4 | U207 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2,4,5-Tetrachlorobenzene", "title": "1,2,4,5-Tetrachlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2,4-Trichlorobenzene\n\n**CAS No.:** 120-82-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2,3\n\n> 1,2,4-Trichlorobenzene | 120-82-1 | 2,3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-82-1", "cercla_rq_lbs": "100", "file": "1-2-4-trichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-4-trichlorobenzene", "regulatory_categories": "2,3", "source_quote": "1,2,4-Trichlorobenzene | 120-82-1 | 2,3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2,4-Trichlorobenzene", "title": "1,2,4-Trichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2:5,6-Dibenzanthracene\n\n**CAS No.:** 53-70-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U063\n\n**Regulatory categories:** 2,4\n\n> 1,2:5,6-Dibenzanthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53-70-3", "cercla_rq_lbs": "1", "file": "1-2-5-6-dibenzanthracene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-5-6-dibenzanthracene", "rcra_waste_number": "U063", "regulatory_categories": "2,4", "source_quote": "1,2:5,6-Dibenzanthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2:5,6-Dibenzanthracene", "title": "1,2:5,6-Dibenzanthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzanthracene\n\n**CAS No.:** 56-55-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U018\n\n**Regulatory categories:** 2,4\n\n> 1,2-Benzanthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-55-3", "cercla_rq_lbs": "10", "file": "1-2-benzanthracene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzanthracene", "rcra_waste_number": "U018", "regulatory_categories": "2,4", "source_quote": "1,2-Benzanthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzanthracene", "title": "1,2-Benzanthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester\n\n**CAS No.:** 117-81-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U028\n\n**Regulatory categories:** 2,3,4\n\n> 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester | 117-81-7 | 2,3,4 | U028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-81-7", "cercla_rq_lbs": "100", "file": "1-2-benzenedicarboxylic-acid-bis-2-ethylhexyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenedicarboxylic-acid-bis-2-ethylhexyl-ester", "rcra_waste_number": "U028", "regulatory_categories": "2,3,4", "source_quote": "1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester | 117-81-7 | 2,3,4 | U028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester", "title": "1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenedicarboxylic acid, dibutyl ester\n\n**CAS No.:** 84-74-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U069\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,2-Benzenedicarboxylic acid, dibutyl ester | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-74-2", "cercla_rq_lbs": "10", "file": "1-2-benzenedicarboxylic-acid-dibutyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenedicarboxylic-acid-dibutyl-ester", "rcra_waste_number": "U069", "regulatory_categories": "1,2,3,4", "source_quote": "1,2-Benzenedicarboxylic acid, dibutyl ester | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenedicarboxylic acid, dibutyl ester", "title": "1,2-Benzenedicarboxylic acid, dibutyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenedicarboxylic acid, diethyl ester\n\n**CAS No.:** 84-66-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U088\n\n**Regulatory categories:** 2,4\n\n> 1,2-Benzenedicarboxylic acid, diethyl ester | 84-66-2 | 2,4 | U088 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-66-2", "cercla_rq_lbs": "1000", "file": "1-2-benzenedicarboxylic-acid-diethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenedicarboxylic-acid-diethyl-ester", "rcra_waste_number": "U088", "regulatory_categories": "2,4", "source_quote": "1,2-Benzenedicarboxylic acid, diethyl ester | 84-66-2 | 2,4 | U088 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenedicarboxylic acid, diethyl ester", "title": "1,2-Benzenedicarboxylic acid, diethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenedicarboxylic acid, dimethyl ester\n\n**CAS No.:** 131-11-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U102\n\n**Regulatory categories:** 2,3,4\n\n> 1,2-Benzenedicarboxylic acid, dimethyl ester | 131-11-3 | 2,3,4 | U102 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-11-3", "cercla_rq_lbs": "5000", "file": "1-2-benzenedicarboxylic-acid-dimethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenedicarboxylic-acid-dimethyl-ester", "rcra_waste_number": "U102", "regulatory_categories": "2,3,4", "source_quote": "1,2-Benzenedicarboxylic acid, dimethyl ester | 131-11-3 | 2,3,4 | U102 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenedicarboxylic acid, dimethyl ester", "title": "1,2-Benzenedicarboxylic acid, dimethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenedicarboxylic acid, dioctyl ester\n\n**CAS No.:** 117-84-0\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U107\n\n**Regulatory categories:** 2,4\n\n> 1,2-Benzenedicarboxylic acid, dioctyl ester | 117-84-0 | 2,4 | U107 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-84-0", "cercla_rq_lbs": "5000", "file": "1-2-benzenedicarboxylic-acid-dioctyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenedicarboxylic-acid-dioctyl-ester", "rcra_waste_number": "U107", "regulatory_categories": "2,4", "source_quote": "1,2-Benzenedicarboxylic acid, dioctyl ester | 117-84-0 | 2,4 | U107 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenedicarboxylic acid, dioctyl ester", "title": "1,2-Benzenedicarboxylic acid, dioctyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]-\n\n**CAS No.:** 51-43-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P042\n\n**Regulatory categories:** 4\n\n> 1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]- | 51-43-4 | 4 | P042 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-43-4", "cercla_rq_lbs": "1000", "file": "1-2-benzenediol-4-1-hydroxy-2-methyl-amino-ethyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-benzenediol-4-1-hydroxy-2-methyl-amino-ethyl", "rcra_waste_number": "P042", "regulatory_categories": "4", "source_quote": "1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]- | 51-43-4 | 4 | P042 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]-", "title": "1,2-Benzenediol,4-[1-hydroxy-2-(methyl amino)ethyl]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dibromo-3-chloropropane\n\n**CAS No.:** 96-12-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U066\n\n**Regulatory categories:** 3,4\n\n> 1,2-Dibromo-3-chloropropane | 96-12-8 | 3,4 | U066 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "96-12-8", "cercla_rq_lbs": "1", "file": "1-2-dibromo-3-chloropropane.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dibromo-3-chloropropane", "rcra_waste_number": "U066", "regulatory_categories": "3,4", "source_quote": "1,2-Dibromo-3-chloropropane | 96-12-8 | 3,4 | U066 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dibromo-3-chloropropane", "title": "1,2-Dibromo-3-chloropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dichlorobenzene\n\n**CAS No.:** 95-50-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U070\n\n**Regulatory categories:** 1,2,4\n\n> 1,2-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-50-1", "cercla_rq_lbs": "100", "file": "1-2-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dichlorobenzene", "rcra_waste_number": "U070", "regulatory_categories": "1,2,4", "source_quote": "1,2-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dichlorobenzene", "title": "1,2-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dichloroethane\n\n**CAS No.:** 107-06-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U077\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,2-Dichloroethane | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-06-2", "cercla_rq_lbs": "100", "file": "1-2-dichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dichloroethane", "rcra_waste_number": "U077", "regulatory_categories": "1,2,3,4", "source_quote": "1,2-Dichloroethane | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dichloroethane", "title": "1,2-Dichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dichloroethylene\n\n**CAS No.:** 156-60-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U079\n\n**Regulatory categories:** 2,4\n\n> 1,2-Dichloroethylene | 156-60-5 | 2,4 | U079 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "156-60-5", "cercla_rq_lbs": "1000", "file": "1-2-dichloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dichloroethylene", "rcra_waste_number": "U079", "regulatory_categories": "2,4", "source_quote": "1,2-Dichloroethylene | 156-60-5 | 2,4 | U079 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dichloroethylene", "title": "1,2-Dichloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dichloropropane\n\n**CAS No.:** 78-87-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U083\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,2-Dichloropropane | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-87-5", "cercla_rq_lbs": "1000", "file": "1-2-dichloropropane.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dichloropropane", "rcra_waste_number": "U083", "regulatory_categories": "1,2,3,4", "source_quote": "1,2-Dichloropropane | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dichloropropane", "title": "1,2-Dichloropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Dimethylhydrazine\n\n**CAS No.:** 540-73-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U099\n\n**Regulatory categories:** 4\n\n> 1,2-Dimethylhydrazine | 540-73-8 | 4 | U099 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "540-73-8", "cercla_rq_lbs": "1", "file": "1-2-dimethylhydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-dimethylhydrazine", "rcra_waste_number": "U099", "regulatory_categories": "4", "source_quote": "1,2-Dimethylhydrazine | 540-73-8 | 4 | U099 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Dimethylhydrazine", "title": "1,2-Dimethylhydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Diphenylhydrazine\n\n**CAS No.:** 122-66-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U109\n\n**Regulatory categories:** 2,3,4\n\n> 1,2-Diphenylhydrazine | 122-66-7 | 2,3,4 | U109 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-66-7", "cercla_rq_lbs": "10", "file": "1-2-diphenylhydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-diphenylhydrazine", "rcra_waste_number": "U109", "regulatory_categories": "2,3,4", "source_quote": "1,2-Diphenylhydrazine | 122-66-7 | 2,3,4 | U109 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Diphenylhydrazine", "title": "1,2-Diphenylhydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Epoxybutane\n\n**CAS No.:** 106-88-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> 1,2-Epoxybutane | 106-88-7 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-88-7", "cercla_rq_lbs": "100", "file": "1-2-epoxybutane.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-epoxybutane", "regulatory_categories": "3", "source_quote": "1,2-Epoxybutane | 106-88-7 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Epoxybutane", "title": "1,2-Epoxybutane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Ethanediamine, N,N-dimethyl-N\u2032-2- pyridinyl-N\u2032-(2- thienylmethyl)-\n\n**CAS No.:** 91-80-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U155\n\n**Regulatory categories:** 4\n\n> 1,2-Ethanediamine, N,N-dimethyl-N\u2032-2- pyridinyl-N\u2032-(2- thienylmethyl)- | 91-80-5 | 4 | U155 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-80-5", "cercla_rq_lbs": "5000", "file": "1-2-ethanediamine-n-n-dimethyl-n-2-pyridinyl-n-2-thienylmethyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-ethanediamine-n-n-dimethyl-n-2-pyridinyl-n-2-thienylmethyl", "rcra_waste_number": "U155", "regulatory_categories": "4", "source_quote": "1,2-Ethanediamine, N,N-dimethyl-N\u2032-2- pyridinyl-N\u2032-(2- thienylmethyl)- | 91-80-5 | 4 | U155 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Ethanediamine, N,N-dimethyl-N\u2032-2- pyridinyl-N\u2032-(2- thienylmethyl)-", "title": "1,2-Ethanediamine, N,N-dimethyl-N\u2032-2- pyridinyl-N\u2032-(2- thienylmethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Oxathiolane, 2,2-dioxide\n\n**CAS No.:** 1120-71-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U193\n\n**Regulatory categories:** 3,4\n\n> 1,2-Oxathiolane, 2,2-dioxide | 1120-71-4 | 3,4 | U193 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1120-71-4", "cercla_rq_lbs": "10", "file": "1-2-oxathiolane-2-2-dioxide.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-oxathiolane-2-2-dioxide", "rcra_waste_number": "U193", "regulatory_categories": "3,4", "source_quote": "1,2-Oxathiolane, 2,2-dioxide | 1120-71-4 | 3,4 | U193 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Oxathiolane, 2,2-dioxide", "title": "1,2-Oxathiolane, 2,2-dioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,2-Propylenimine\n\n**CAS No.:** 75-55-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P067\n\n**Regulatory categories:** 3,4\n\n> 1,2-Propylenimine | 75-55-8 | 3,4 | P067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-55-8", "cercla_rq_lbs": "1", "file": "1-2-propylenimine.md", "generated": true, "harvested": "2026-08-05", "id": "1-2-propylenimine", "rcra_waste_number": "P067", "regulatory_categories": "3,4", "source_quote": "1,2-Propylenimine | 75-55-8 | 3,4 | P067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,2-Propylenimine", "title": "1,2-Propylenimine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-\n\n**CAS No.:** 143-50-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U142\n\n**Regulatory categories:** 1,4\n\n> 1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- | 143-50-0 | 1,4 | U142 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "143-50-0", "cercla_rq_lbs": "1", "file": "1-3-4-metheno-2h-cyclobuta-cd-pentalen-2-one-1-1a-3-3a-4-5-5-5a-5b-6-decachloroo.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-4-metheno-2h-cyclobuta-cd-pentalen-2-one-1-1a-3-3a-4-5-5-5a-5b-6-decachloroo", "rcra_waste_number": "U142", "regulatory_categories": "1,4", "source_quote": "1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- | 143-50-0 | 1,4 | U142 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-", "title": "1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3,5-Trinitrobenzene\n\n**CAS No.:** 99-35-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U234\n\n**Regulatory categories:** 4\n\n> 1,3,5-Trinitrobenzene | 99-35-4 | 4 | U234 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-35-4", "cercla_rq_lbs": "10", "file": "1-3-5-trinitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-5-trinitrobenzene", "rcra_waste_number": "U234", "regulatory_categories": "4", "source_quote": "1,3,5-Trinitrobenzene | 99-35-4 | 4 | U234 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3,5-Trinitrobenzene", "title": "1,3,5-Trinitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3,5-Trioxane, 2,4,6-trimethyl-\n\n**CAS No.:** 123-63-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U182\n\n**Regulatory categories:** 4\n\n> 1,3,5-Trioxane, 2,4,6-trimethyl- | 123-63-7 | 4 | U182 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-63-7", "cercla_rq_lbs": "1000", "file": "1-3-5-trioxane-2-4-6-trimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-5-trioxane-2-4-6-trimethyl", "rcra_waste_number": "U182", "regulatory_categories": "4", "source_quote": "1,3,5-Trioxane, 2,4,6-trimethyl- | 123-63-7 | 4 | U182 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3,5-Trioxane, 2,4,6-trimethyl-", "title": "1,3,5-Trioxane, 2,4,6-trimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzenediol\n\n**CAS No.:** 108-46-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U201\n\n**Regulatory categories:** 1,4\n\n> 1,3-Benzenediol | 108-46-3 | 1,4 | U201 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-46-3", "cercla_rq_lbs": "5000", "file": "1-3-benzenediol.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzenediol", "rcra_waste_number": "U201", "regulatory_categories": "1,4", "source_quote": "1,3-Benzenediol | 108-46-3 | 1,4 | U201 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzenediol", "title": "1,3-Benzenediol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate\n\n**CAS No.:** 22781-23-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U278\n\n**Regulatory categories:** 4\n\n> 1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate | 22781-23-3 | 4 | U278 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "22781-23-3", "cercla_rq_lbs": "100", "file": "1-3-benzodioxol-4-ol-2-2-dimethyl-methyl-carbamate.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzodioxol-4-ol-2-2-dimethyl-methyl-carbamate", "rcra_waste_number": "U278", "regulatory_categories": "4", "source_quote": "1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate | 22781-23-3 | 4 | U278 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate", "title": "1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzodioxol-4-ol, 2,2-dimethyl-\n\n**CAS No.:** 22961-82-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U364\n\n**Regulatory categories:** 4\n\n> 1,3-Benzodioxol-4-ol, 2,2-dimethyl- | 22961-82-6 | 4 | U364 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "22961-82-6", "cercla_rq_lbs": "1000", "file": "1-3-benzodioxol-4-ol-2-2-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzodioxol-4-ol-2-2-dimethyl", "rcra_waste_number": "U364", "regulatory_categories": "4", "source_quote": "1,3-Benzodioxol-4-ol, 2,2-dimethyl- | 22961-82-6 | 4 | U364 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzodioxol-4-ol, 2,2-dimethyl-", "title": "1,3-Benzodioxol-4-ol, 2,2-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzodioxole, 5-(1-propenyl)-1\n\n**CAS No.:** 120-58-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U141\n\n**Regulatory categories:** 4\n\n> 1,3-Benzodioxole, 5-(1-propenyl)-1 | 120-58-1 | 4 | U141 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-58-1", "cercla_rq_lbs": "100", "file": "1-3-benzodioxole-5-1-propenyl-1.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzodioxole-5-1-propenyl-1", "rcra_waste_number": "U141", "regulatory_categories": "4", "source_quote": "1,3-Benzodioxole, 5-(1-propenyl)-1 | 120-58-1 | 4 | U141 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzodioxole, 5-(1-propenyl)-1", "title": "1,3-Benzodioxole, 5-(1-propenyl)-1 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzodioxole, 5-(2-propenyl)-\n\n**CAS No.:** 94-59-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U203\n\n**Regulatory categories:** 4\n\n> 1,3-Benzodioxole, 5-(2-propenyl)- | 94-59-7 | 4 | U203 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-59-7", "cercla_rq_lbs": "100", "file": "1-3-benzodioxole-5-2-propenyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzodioxole-5-2-propenyl", "rcra_waste_number": "U203", "regulatory_categories": "4", "source_quote": "1,3-Benzodioxole, 5-(2-propenyl)- | 94-59-7 | 4 | U203 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzodioxole, 5-(2-propenyl)-", "title": "1,3-Benzodioxole, 5-(2-propenyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Benzodioxole, 5-propyl-\n\n**CAS No.:** 94-58-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U090\n\n**Regulatory categories:** 4\n\n> 1,3-Benzodioxole, 5-propyl- | 94-58-6 | 4 | U090 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-58-6", "cercla_rq_lbs": "10", "file": "1-3-benzodioxole-5-propyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-benzodioxole-5-propyl", "rcra_waste_number": "U090", "regulatory_categories": "4", "source_quote": "1,3-Benzodioxole, 5-propyl- | 94-58-6 | 4 | U090 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Benzodioxole, 5-propyl-", "title": "1,3-Benzodioxole, 5-propyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Butadiene, 1,1,2,3,4,4-hexachloro-\n\n**CAS No.:** 87-68-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U128\n\n**Regulatory categories:** 2,3,4\n\n> 1,3-Butadiene, 1,1,2,3,4,4-hexachloro- | 87-68-3 | 2,3,4 | U128 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-68-3", "cercla_rq_lbs": "1", "file": "1-3-butadiene-1-1-2-3-4-4-hexachloro.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-butadiene-1-1-2-3-4-4-hexachloro", "rcra_waste_number": "U128", "regulatory_categories": "2,3,4", "source_quote": "1,3-Butadiene, 1,1,2,3,4,4-hexachloro- | 87-68-3 | 2,3,4 | U128 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Butadiene, 1,1,2,3,4,4-hexachloro-", "title": "1,3-Butadiene, 1,1,2,3,4,4-hexachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Butadiene\n\n**CAS No.:** 106-99-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> 1,3-Butadiene | 106-99-0 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-99-0", "cercla_rq_lbs": "10", "file": "1-3-butadiene.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-butadiene", "regulatory_categories": "3", "source_quote": "1,3-Butadiene | 106-99-0 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Butadiene", "title": "1,3-Butadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-\n\n**CAS No.:** 77-47-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U130\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- | 77-47-4 | 1,2,3,4 | U130 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "77-47-4", "cercla_rq_lbs": "10", "file": "1-3-cyclopentadiene-1-2-3-4-5-5-hexachloro.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-cyclopentadiene-1-2-3-4-5-5-hexachloro", "rcra_waste_number": "U130", "regulatory_categories": "1,2,3,4", "source_quote": "1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- | 77-47-4 | 1,2,3,4 | U130 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-", "title": "1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Dichlorobenzene\n\n**CAS No.:** 541-73-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U071\n\n**Regulatory categories:** 2,4\n\n> 1,3-Dichlorobenzene | 541-73-1 | 2,4 | U071 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-73-1", "cercla_rq_lbs": "100", "file": "1-3-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-dichlorobenzene", "rcra_waste_number": "U071", "regulatory_categories": "2,4", "source_quote": "1,3-Dichlorobenzene | 541-73-1 | 2,4 | U071 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Dichlorobenzene", "title": "1,3-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Dichloropropane\n\n**CAS No.:** 142-28-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,2\n\n> 1,3-Dichloropropane | 142-28-9 | 1,2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "142-28-9", "cercla_rq_lbs": "1000", "file": "1-3-dichloropropane.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-dichloropropane", "regulatory_categories": "1,2", "source_quote": "1,3-Dichloropropane | 142-28-9 | 1,2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Dichloropropane", "title": "1,3-Dichloropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Dichloropropene\n\n**CAS No.:** 542-75-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U084\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,3-Dichloropropene | 542-75-6 | 1,2,3,4 | U084 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-75-6", "cercla_rq_lbs": "100", "file": "1-3-dichloropropene.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-dichloropropene", "rcra_waste_number": "U084", "regulatory_categories": "1,2,3,4", "source_quote": "1,3-Dichloropropene | 542-75-6 | 1,2,3,4 | U084 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Dichloropropene", "title": "1,3-Dichloropropene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime\n\n**CAS No.:** 26419-73-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P185\n\n**Regulatory categories:** 4\n\n> 1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime | 26419-73-8 | 4 | P185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26419-73-8", "cercla_rq_lbs": "100", "file": "1-3-dithiolane-2-carboxaldehyde-2-4-dimethyl-o-methylamino-carbonyl-oxime.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-dithiolane-2-carboxaldehyde-2-4-dimethyl-o-methylamino-carbonyl-oxime", "rcra_waste_number": "P185", "regulatory_categories": "4", "source_quote": "1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime | 26419-73-8 | 4 | P185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime", "title": "1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino)-carbonyl]oxime \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Isobenzofurandione\n\n**CAS No.:** 85-44-9\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U190\n\n**Regulatory categories:** 3,4\n\n> 1,3-Isobenzofurandione | 85-44-9 | 3,4 | U190 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "85-44-9", "cercla_rq_lbs": "5000", "file": "1-3-isobenzofurandione.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-isobenzofurandione", "rcra_waste_number": "U190", "regulatory_categories": "3,4", "source_quote": "1,3-Isobenzofurandione | 85-44-9 | 3,4 | U190 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Isobenzofurandione", "title": "1,3-Isobenzofurandione \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Pentadiene\n\n**CAS No.:** 504-60-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U186\n\n**Regulatory categories:** 4\n\n> 1,3-Pentadiene | 504-60-9 | 4 | U186 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "504-60-9", "cercla_rq_lbs": "100", "file": "1-3-pentadiene.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-pentadiene", "rcra_waste_number": "U186", "regulatory_categories": "4", "source_quote": "1,3-Pentadiene | 504-60-9 | 4 | U186 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Pentadiene", "title": "1,3-Pentadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,3-Propane sultone\n\n**CAS No.:** 1120-71-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U193\n\n**Regulatory categories:** 3,4\n\n> 1,3-Propane sultone | 1120-71-4 | 3,4 | U193 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1120-71-4", "cercla_rq_lbs": "10", "file": "1-3-propane-sultone.md", "generated": true, "harvested": "2026-08-05", "id": "1-3-propane-sultone", "rcra_waste_number": "U193", "regulatory_categories": "3,4", "source_quote": "1,3-Propane sultone | 1120-71-4 | 3,4 | U193 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,3-Propane sultone", "title": "1,3-Propane sultone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta, 5beta,8beta,8abeta)-\n\n**CAS No.:** 465-73-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P060\n\n**Regulatory categories:** 4\n\n> 1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta, 5beta,8beta,8abeta)- | 465-73-6 | 4 | P060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "465-73-6", "cercla_rq_lbs": "1", "file": "1-4-5-8-dimethanonaphthalene-1-2-3-4-10-10-hexachloro-1-4-4a-5-8-8a-hexahydro-1a.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-5-8-dimethanonaphthalene-1-2-3-4-10-10-hexachloro-1-4-4a-5-8-8a-hexahydro-1a", "rcra_waste_number": "P060", "regulatory_categories": "4", "source_quote": "1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta, 5beta,8beta,8abeta)- | 465-73-6 | 4 | P060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta, 5beta,8beta,8abeta)-", "title": "1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta, 5beta,8beta,8abeta)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Dichloro-2-butene\n\n**CAS No.:** 764-41-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U074\n\n**Regulatory categories:** 4\n\n> 1,4-Dichloro-2-butene | 764-41-0 | 4 | U074 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "764-41-0", "cercla_rq_lbs": "1", "file": "1-4-dichloro-2-butene.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-dichloro-2-butene", "rcra_waste_number": "U074", "regulatory_categories": "4", "source_quote": "1,4-Dichloro-2-butene | 764-41-0 | 4 | U074 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Dichloro-2-butene", "title": "1,4-Dichloro-2-butene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Dichlorobenzene\n\n**CAS No.:** 106-46-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U072\n\n**Regulatory categories:** 1,2,3,4\n\n> 1,4-Dichlorobenzene | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-46-7", "cercla_rq_lbs": "100", "file": "1-4-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-dichlorobenzene", "rcra_waste_number": "U072", "regulatory_categories": "1,2,3,4", "source_quote": "1,4-Dichlorobenzene | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Dichlorobenzene", "title": "1,4-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Diethyleneoxide\n\n**CAS No.:** 123-91-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U108\n\n**Regulatory categories:** 3,4\n\n> 1,4-Diethyleneoxide | 123-91-1 | 3,4 | U108 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-91-1", "cercla_rq_lbs": "100", "file": "1-4-diethyleneoxide.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-diethyleneoxide", "rcra_waste_number": "U108", "regulatory_categories": "3,4", "source_quote": "1,4-Diethyleneoxide | 123-91-1 | 3,4 | U108 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Diethyleneoxide", "title": "1,4-Diethyleneoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Dioxane\n\n**CAS No.:** 123-91-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U108\n\n**Regulatory categories:** 3,4\n\n> 1,4-Dioxane | 123-91-1 | 3,4 | U108 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-91-1", "cercla_rq_lbs": "100", "file": "1-4-dioxane.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-dioxane", "rcra_waste_number": "U108", "regulatory_categories": "3,4", "source_quote": "1,4-Dioxane | 123-91-1 | 3,4 | U108 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Dioxane", "title": "1,4-Dioxane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Naphthalenedione\n\n**CAS No.:** 130-15-4\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U166\n\n**Regulatory categories:** 4\n\n> 1,4-Naphthalenedione | 130-15-4 | 4 | U166 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "130-15-4", "cercla_rq_lbs": "5000", "file": "1-4-naphthalenedione.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-naphthalenedione", "rcra_waste_number": "U166", "regulatory_categories": "4", "source_quote": "1,4-Naphthalenedione | 130-15-4 | 4 | U166 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Naphthalenedione", "title": "1,4-Naphthalenedione \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1,4-Naphthoquinone\n\n**CAS No.:** 130-15-4\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U166\n\n**Regulatory categories:** 4\n\n> 1,4-Naphthoquinone | 130-15-4 | 4 | U166 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "130-15-4", "cercla_rq_lbs": "5000", "file": "1-4-naphthoquinone.md", "generated": true, "harvested": "2026-08-05", "id": "1-4-naphthoquinone", "rcra_waste_number": "U166", "regulatory_categories": "4", "source_quote": "1,4-Naphthoquinone | 130-15-4 | 4 | U166 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1,4-Naphthoquinone", "title": "1,4-Naphthoquinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Acetyl-2-thiourea\n\n**CAS No.:** 591-08-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P002\n\n**Regulatory categories:** 4\n\n> 1-Acetyl-2-thiourea | 591-08-2 | 4 | P002 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "591-08-2", "cercla_rq_lbs": "1000", "file": "1-acetyl-2-thiourea.md", "generated": true, "harvested": "2026-08-05", "id": "1-acetyl-2-thiourea", "rcra_waste_number": "P002", "regulatory_categories": "4", "source_quote": "1-Acetyl-2-thiourea | 591-08-2 | 4 | P002 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Acetyl-2-thiourea", "title": "1-Acetyl-2-thiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Bromopropane (1-BP)\n\n**CAS No.:** 106-94-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 3\n\n> 1-Bromopropane (1-BP) | 106-94-5 | 3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-94-5", "cercla_rq_lbs": "1", "file": "1-bromopropane-1-bp.md", "generated": true, "harvested": "2026-08-05", "id": "1-bromopropane-1-bp", "regulatory_categories": "3", "source_quote": "1-Bromopropane (1-BP) | 106-94-5 | 3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Bromopropane (1-BP)", "title": "1-Bromopropane (1-BP) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Butanamine, N-butyl-N-nitroso-\n\n**CAS No.:** 924-16-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U172\n\n**Regulatory categories:** 4\n\n> 1-Butanamine, N-butyl-N-nitroso- | 924-16-3 | 4 | U172 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "924-16-3", "cercla_rq_lbs": "10", "file": "1-butanamine-n-butyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "1-butanamine-n-butyl-n-nitroso", "rcra_waste_number": "U172", "regulatory_categories": "4", "source_quote": "1-Butanamine, N-butyl-N-nitroso- | 924-16-3 | 4 | U172 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Butanamine, N-butyl-N-nitroso-", "title": "1-Butanamine, N-butyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Butanol\n\n**CAS No.:** 71-36-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U031\n\n**Regulatory categories:** 4\n\n> 1-Butanol | 71-36-3 | 4 | U031 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-36-3", "cercla_rq_lbs": "5000", "file": "1-butanol.md", "generated": true, "harvested": "2026-08-05", "id": "1-butanol", "rcra_waste_number": "U031", "regulatory_categories": "4", "source_quote": "1-Butanol | 71-36-3 | 4 | U031 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Butanol", "title": "1-Butanol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Chloro-2,3-epoxypropane\n\n**CAS No.:** 106-89-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U041\n\n**Regulatory categories:** 1,3,4\n\n> 1-Chloro-2,3-epoxypropane | 106-89-8 | 1,3,4 | U041 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-89-8", "cercla_rq_lbs": "100", "file": "1-chloro-2-3-epoxypropane.md", "generated": true, "harvested": "2026-08-05", "id": "1-chloro-2-3-epoxypropane", "rcra_waste_number": "U041", "regulatory_categories": "1,3,4", "source_quote": "1-Chloro-2,3-epoxypropane | 106-89-8 | 1,3,4 | U041 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Chloro-2,3-epoxypropane", "title": "1-Chloro-2,3-epoxypropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Methylbutadiene\n\n**CAS No.:** 504-60-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U186\n\n**Regulatory categories:** 4\n\n> 1-Methylbutadiene | 504-60-9 | 4 | U186 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "504-60-9", "cercla_rq_lbs": "100", "file": "1-methylbutadiene.md", "generated": true, "harvested": "2026-08-05", "id": "1-methylbutadiene", "rcra_waste_number": "U186", "regulatory_categories": "4", "source_quote": "1-Methylbutadiene | 504-60-9 | 4 | U186 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Methylbutadiene", "title": "1-Methylbutadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Naphthalenamine\n\n**CAS No.:** 134-32-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U167\n\n**Regulatory categories:** 4\n\n> 1-Naphthalenamine | 134-32-7 | 4 | U167 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "134-32-7", "cercla_rq_lbs": "100", "file": "1-naphthalenamine.md", "generated": true, "harvested": "2026-08-05", "id": "1-naphthalenamine", "rcra_waste_number": "U167", "regulatory_categories": "4", "source_quote": "1-Naphthalenamine | 134-32-7 | 4 | U167 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Naphthalenamine", "title": "1-Naphthalenamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Naphthalenol, methylcarbamate\n\n**CAS No.:** 63-25-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U279\n\n**Regulatory categories:** 1,3,4\n\n> 1-Naphthalenol, methylcarbamate | 63-25-2 | 1,3,4 | U279 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "63-25-2", "cercla_rq_lbs": "100", "file": "1-naphthalenol-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "1-naphthalenol-methylcarbamate", "rcra_waste_number": "U279", "regulatory_categories": "1,3,4", "source_quote": "1-Naphthalenol, methylcarbamate | 63-25-2 | 1,3,4 | U279 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Naphthalenol, methylcarbamate", "title": "1-Naphthalenol, methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-(o-Chlorophenyl)thiourea\n\n**CAS No.:** 5344-82-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P026\n\n**Regulatory categories:** 4\n\n> 1-(o-Chlorophenyl)thiourea | 5344-82-1 | 4 | P026 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "5344-82-1", "cercla_rq_lbs": "100", "file": "1-o-chlorophenyl-thiourea.md", "generated": true, "harvested": "2026-08-05", "id": "1-o-chlorophenyl-thiourea", "rcra_waste_number": "P026", "regulatory_categories": "4", "source_quote": "1-(o-Chlorophenyl)thiourea | 5344-82-1 | 4 | P026 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-(o-Chlorophenyl)thiourea", "title": "1-(o-Chlorophenyl)thiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propanamine, N-nitroso-N-propyl-\n\n**CAS No.:** 621-64-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U111\n\n**Regulatory categories:** 2,4\n\n> 1-Propanamine, N-nitroso-N-propyl- | 621-64-7 | 2,4 | U111 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "621-64-7", "cercla_rq_lbs": "10", "file": "1-propanamine-n-nitroso-n-propyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-propanamine-n-nitroso-n-propyl", "rcra_waste_number": "U111", "regulatory_categories": "2,4", "source_quote": "1-Propanamine, N-nitroso-N-propyl- | 621-64-7 | 2,4 | U111 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propanamine, N-nitroso-N-propyl-", "title": "1-Propanamine, N-nitroso-N-propyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propanamine, N-propyl-\n\n**CAS No.:** 142-84-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U110\n\n**Regulatory categories:** 4\n\n> 1-Propanamine, N-propyl- | 142-84-7 | 4 | U110 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "142-84-7", "cercla_rq_lbs": "5000", "file": "1-propanamine-n-propyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-propanamine-n-propyl", "rcra_waste_number": "U110", "regulatory_categories": "4", "source_quote": "1-Propanamine, N-propyl- | 142-84-7 | 4 | U110 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propanamine, N-propyl-", "title": "1-Propanamine, N-propyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propanamine\n\n**CAS No.:** 107-10-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U194\n\n**Regulatory categories:** 4\n\n> 1-Propanamine | 107-10-8 | 4 | U194 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-10-8", "cercla_rq_lbs": "5000", "file": "1-propanamine.md", "generated": true, "harvested": "2026-08-05", "id": "1-propanamine", "rcra_waste_number": "U194", "regulatory_categories": "4", "source_quote": "1-Propanamine | 107-10-8 | 4 | U194 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propanamine", "title": "1-Propanamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propanol, 2,3-dibromo-, phosphate (3:1)\n\n**CAS No.:** 126-72-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U235\n\n**Regulatory categories:** 4\n\n> 1-Propanol, 2,3-dibromo-, phosphate (3:1) | 126-72-7 | 4 | U235 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "126-72-7", "cercla_rq_lbs": "10", "file": "1-propanol-2-3-dibromo-phosphate-3-1.md", "generated": true, "harvested": "2026-08-05", "id": "1-propanol-2-3-dibromo-phosphate-3-1", "rcra_waste_number": "U235", "regulatory_categories": "4", "source_quote": "1-Propanol, 2,3-dibromo-, phosphate (3:1) | 126-72-7 | 4 | U235 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propanol, 2,3-dibromo-, phosphate (3:1)", "title": "1-Propanol, 2,3-dibromo-, phosphate (3:1) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propanol, 2-methyl-\n\n**CAS No.:** 78-83-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U140\n\n**Regulatory categories:** 4\n\n> 1-Propanol, 2-methyl- | 78-83-1 | 4 | U140 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-83-1", "cercla_rq_lbs": "5000", "file": "1-propanol-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "1-propanol-2-methyl", "rcra_waste_number": "U140", "regulatory_categories": "4", "source_quote": "1-Propanol, 2-methyl- | 78-83-1 | 4 | U140 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propanol, 2-methyl-", "title": "1-Propanol, 2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propene, 1,1,2,3,3,3-hexachloro-\n\n**CAS No.:** 1888-71-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U243\n\n**Regulatory categories:** 4\n\n> 1-Propene, 1,1,2,3,3,3-hexachloro- | 1888-71-7 | 4 | U243 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1888-71-7", "cercla_rq_lbs": "1000", "file": "1-propene-1-1-2-3-3-3-hexachloro.md", "generated": true, "harvested": "2026-08-05", "id": "1-propene-1-1-2-3-3-3-hexachloro", "rcra_waste_number": "U243", "regulatory_categories": "4", "source_quote": "1-Propene, 1,1,2,3,3,3-hexachloro- | 1888-71-7 | 4 | U243 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propene, 1,1,2,3,3,3-hexachloro-", "title": "1-Propene, 1,1,2,3,3,3-hexachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1-Propene, 1,3-dichloro-\n\n**CAS No.:** 542-75-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U084\n\n**Regulatory categories:** 1,2,3,4\n\n> 1-Propene, 1,3-dichloro- | 542-75-6 | 1,2,3,4 | U084 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-75-6", "cercla_rq_lbs": "100", "file": "1-propene-1-3-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "1-propene-1-3-dichloro", "rcra_waste_number": "U084", "regulatory_categories": "1,2,3,4", "source_quote": "1-Propene, 1,3-dichloro- | 542-75-6 | 1,2,3,4 | U084 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1-Propene, 1,3-dichloro-", "title": "1-Propene, 1,3-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 1H-1,2,4-Triazol-3-amine\n\n**CAS No.:** 61-82-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U011\n\n**Regulatory categories:** 4\n\n> 1H-1,2,4-Triazol-3-amine | 61-82-5 | 4 | U011 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "61-82-5", "cercla_rq_lbs": "10", "file": "1h-1-2-4-triazol-3-amine.md", "generated": true, "harvested": "2026-08-05", "id": "1h-1-2-4-triazol-3-amine", "rcra_waste_number": "U011", "regulatory_categories": "4", "source_quote": "1H-1,2,4-Triazol-3-amine | 61-82-5 | 4 | U011 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "1H-1,2,4-Triazol-3-amine", "title": "1H-1,2,4-Triazol-3-amine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,2,4-Trimethylpentane\n\n**CAS No.:** 540-84-1\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> 2,2,4-Trimethylpentane | 540-84-1 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "540-84-1", "cercla_rq_lbs": "1000", "file": "2-2-4-trimethylpentane.md", "generated": true, "harvested": "2026-08-05", "id": "2-2-4-trimethylpentane", "regulatory_categories": "3", "source_quote": "2,2,4-Trimethylpentane | 540-84-1 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,2,4-Trimethylpentane", "title": "2,2,4-Trimethylpentane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,2\u2032-Bioxirane\n\n**CAS No.:** 1464-53-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U085\n\n**Regulatory categories:** 4\n\n> 2,2\u2032-Bioxirane | 1464-53-5 | 4 | U085 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1464-53-5", "cercla_rq_lbs": "10", "file": "2-2-bioxirane.md", "generated": true, "harvested": "2026-08-05", "id": "2-2-bioxirane", "rcra_waste_number": "U085", "regulatory_categories": "4", "source_quote": "2,2\u2032-Bioxirane | 1464-53-5 | 4 | U085 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,2\u2032-Bioxirane", "title": "2,2\u2032-Bioxirane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,2-Dichloropropionic acid\n\n**CAS No.:** 75-99-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> 2,2-Dichloropropionic acid | 75-99-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-99-0", "cercla_rq_lbs": "5000", "file": "2-2-dichloropropionic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "2-2-dichloropropionic-acid", "regulatory_categories": "1", "source_quote": "2,2-Dichloropropionic acid | 75-99-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,2-Dichloropropionic acid", "title": "2,2-Dichloropropionic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3,4,6-Tetrachlorophenol\n\n**CAS No.:** 58-90-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 4\n\n> 2,3,4,6-Tetrachlorophenol | 58-90-2 | 4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-90-2", "cercla_rq_lbs": "10", "file": "2-3-4-6-tetrachlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-4-6-tetrachlorophenol", "rcra_waste_number": "See F027", "regulatory_categories": "4", "source_quote": "2,3,4,6-Tetrachlorophenol | 58-90-2 | 4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3,4,6-Tetrachlorophenol", "title": "2,3,4,6-Tetrachlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3,4-Trichlorophenol\n\n**CAS No.:** 15950-66-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> 2,3,4-Trichlorophenol | 15950-66-0 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "15950-66-0", "cercla_rq_lbs": "10", "file": "2-3-4-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-4-trichlorophenol", "regulatory_categories": "1,2", "source_quote": "2,3,4-Trichlorophenol | 15950-66-0 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3,4-Trichlorophenol", "title": "2,3,4-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3,5-Trichlorophenol\n\n**CAS No.:** 933-78-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> 2,3,5-Trichlorophenol | 933-78-8 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "933-78-8", "cercla_rq_lbs": "10", "file": "2-3-5-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-5-trichlorophenol", "regulatory_categories": "1,2", "source_quote": "2,3,5-Trichlorophenol | 933-78-8 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3,5-Trichlorophenol", "title": "2,3,5-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3,6-Trichlorophenol\n\n**CAS No.:** 933-75-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> 2,3,6-Trichlorophenol | 933-75-5 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "933-75-5", "cercla_rq_lbs": "10", "file": "2-3-6-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-6-trichlorophenol", "regulatory_categories": "1,2", "source_quote": "2,3,6-Trichlorophenol | 933-75-5 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3,6-Trichlorophenol", "title": "2,3,6-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3,7,8-Tetrachlorodibenzo-p-dioxin\n\n**CAS No.:** 1746-01-6\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,3\n\n> 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1746-01-6 | 2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1746-01-6", "cercla_rq_lbs": "1", "file": "2-3-7-8-tetrachlorodibenzo-p-dioxin.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-7-8-tetrachlorodibenzo-p-dioxin", "regulatory_categories": "2,3", "source_quote": "2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1746-01-6 | 2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3,7,8-Tetrachlorodibenzo-p-dioxin", "title": "2,3,7,8-Tetrachlorodibenzo-p-dioxin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,3-Dichloropropene\n\n**CAS No.:** 78-88-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,2\n\n> 2,3-Dichloropropene | 78-88-6 | 1,2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-88-6", "cercla_rq_lbs": "100", "file": "2-3-dichloropropene.md", "generated": true, "harvested": "2026-08-05", "id": "2-3-dichloropropene", "regulatory_categories": "1,2", "source_quote": "2,3-Dichloropropene | 78-88-6 | 1,2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,3-Dichloropropene", "title": "2,3-Dichloropropene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]-\n\n**CAS No.:** 66-75-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U237\n\n**Regulatory categories:** 4\n\n> 2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]- | 66-75-1 | 4 | U237 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "66-75-1", "cercla_rq_lbs": "10", "file": "2-4-1h-3h-pyrimidinedione-5-bis-2-chloroethyl-amino.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-1h-3h-pyrimidinedione-5-bis-2-chloroethyl-amino", "rcra_waste_number": "U237", "regulatory_categories": "4", "source_quote": "2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]- | 66-75-1 | 4 | U237 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]-", "title": "2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2- chloroethyl)amino]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-T acid\n\n**CAS No.:** 93-76-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> 2,4,5-T acid | 93-76-5 | 1,4 | See F027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-76-5", "cercla_rq_lbs": "1000", "file": "2-4-5-t-acid.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-t-acid", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "2,4,5-T acid | 93-76-5 | 1,4 | See F027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-T acid", "title": "2,4,5-T acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-T salts\n\n**CAS No.:** 13560-99-1\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> 2,4,5-T salts | 13560-99-1 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13560-99-1", "cercla_rq_lbs": "1000", "file": "2-4-5-t-salts.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-t-salts", "regulatory_categories": "1", "source_quote": "2,4,5-T salts | 13560-99-1 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-T salts", "title": "2,4,5-T salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-T\n\n**CAS No.:** 93-76-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> 2,4,5-T | 93-76-5 | 1,4 | See F027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-76-5", "cercla_rq_lbs": "1000", "file": "2-4-5-t.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-t", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "2,4,5-T | 93-76-5 | 1,4 | See F027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-T", "title": "2,4,5-T \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-TP acid\n\n**CAS No.:** 93-72-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> 2,4,5-TP acid | 93-72-1 | 1,4 | See F027 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-72-1", "cercla_rq_lbs": "100", "file": "2-4-5-tp-acid.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-tp-acid", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "2,4,5-TP acid | 93-72-1 | 1,4 | See F027 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-TP acid", "title": "2,4,5-TP acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-TP esters\n\n**CAS No.:** 32534-95-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> 2,4,5-TP esters | 32534-95-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "32534-95-5", "cercla_rq_lbs": "100", "file": "2-4-5-tp-esters.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-tp-esters", "regulatory_categories": "1", "source_quote": "2,4,5-TP esters | 32534-95-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-TP esters", "title": "2,4,5-TP esters \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,5-Trichlorophenol\n\n**CAS No.:** 95-95-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,2,3,4\n\n> 2,4,5-Trichlorophenol | 95-95-4 | 1,2,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-95-4", "cercla_rq_lbs": "10", "file": "2-4-5-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-5-trichlorophenol", "rcra_waste_number": "See F027", "regulatory_categories": "1,2,3,4", "source_quote": "2,4,5-Trichlorophenol | 95-95-4 | 1,2,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,5-Trichlorophenol", "title": "2,4,5-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4,6-Trichlorophenol\n\n**CAS No.:** 88-06-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,2,3,4\n\n> 2,4,6-Trichlorophenol | 88-06-2 | 1,2,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-06-2", "cercla_rq_lbs": "10", "file": "2-4-6-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-6-trichlorophenol", "rcra_waste_number": "See F027", "regulatory_categories": "1,2,3,4", "source_quote": "2,4,6-Trichlorophenol | 88-06-2 | 1,2,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4,6-Trichlorophenol", "title": "2,4,6-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-D Acid\n\n**CAS No.:** 94-75-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U240\n\n**Regulatory categories:** 1,3,4\n\n> 2,4-D Acid | 94-75-7 | 1,3,4 | U240 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-75-7", "cercla_rq_lbs": "100", "file": "2-4-d-acid.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-d-acid", "rcra_waste_number": "U240", "regulatory_categories": "1,3,4", "source_quote": "2,4-D Acid | 94-75-7 | 1,3,4 | U240 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-D Acid", "title": "2,4-D Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-D, salts and esters\n\n**CAS No.:** 94-75-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U240\n\n**Regulatory categories:** 1,3,4\n\n> 2,4-D, salts and esters | 94-75-7 | 1,3,4 | U240 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-75-7", "cercla_rq_lbs": "100", "file": "2-4-d-salts-and-esters.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-d-salts-and-esters", "rcra_waste_number": "U240", "regulatory_categories": "1,3,4", "source_quote": "2,4-D, salts and esters | 94-75-7 | 1,3,4 | U240 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-D, salts and esters", "title": "2,4-D, salts and esters \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-Dichlorophenol\n\n**CAS No.:** 120-83-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U081\n\n**Regulatory categories:** 2,4\n\n> 2,4-Dichlorophenol | 120-83-2 | 2,4 | U081 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-83-2", "cercla_rq_lbs": "100", "file": "2-4-dichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-dichlorophenol", "rcra_waste_number": "U081", "regulatory_categories": "2,4", "source_quote": "2,4-Dichlorophenol | 120-83-2 | 2,4 | U081 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-Dichlorophenol", "title": "2,4-Dichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-Dimethylphenol\n\n**CAS No.:** 105-67-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U101\n\n**Regulatory categories:** 2,4\n\n> 2,4-Dimethylphenol | 105-67-9 | 2,4 | U101 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "105-67-9", "cercla_rq_lbs": "100", "file": "2-4-dimethylphenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-dimethylphenol", "rcra_waste_number": "U101", "regulatory_categories": "2,4", "source_quote": "2,4-Dimethylphenol | 105-67-9 | 2,4 | U101 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-Dimethylphenol", "title": "2,4-Dimethylphenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-Dinitrophenol\n\n**CAS No.:** 51-28-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P048\n\n**Regulatory categories:** 1,2,3,4\n\n> 2,4-Dinitrophenol | 51-28-5 | 1,2,3,4 | P048 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-28-5", "cercla_rq_lbs": "10", "file": "2-4-dinitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-dinitrophenol", "rcra_waste_number": "P048", "regulatory_categories": "1,2,3,4", "source_quote": "2,4-Dinitrophenol | 51-28-5 | 1,2,3,4 | P048 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-Dinitrophenol", "title": "2,4-Dinitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,4-Dinitrotoluene\n\n**CAS No.:** 121-14-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U105\n\n**Regulatory categories:** 1,2,3,4\n\n> 2,4-Dinitrotoluene | 121-14-2 | 1,2,3,4 | U105 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-14-2", "cercla_rq_lbs": "10", "file": "2-4-dinitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "2-4-dinitrotoluene", "rcra_waste_number": "U105", "regulatory_categories": "1,2,3,4", "source_quote": "2,4-Dinitrotoluene | 121-14-2 | 1,2,3,4 | U105 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,4-Dinitrotoluene", "title": "2,4-Dinitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,5-Cyclohexadiene-1,4-dione\n\n**CAS No.:** 106-51-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U197\n\n**Regulatory categories:** 3,4\n\n> 2,5-Cyclohexadiene-1,4-dione | 106-51-4 | 3,4 | U197 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-51-4", "cercla_rq_lbs": "10", "file": "2-5-cyclohexadiene-1-4-dione.md", "generated": true, "harvested": "2026-08-05", "id": "2-5-cyclohexadiene-1-4-dione", "rcra_waste_number": "U197", "regulatory_categories": "3,4", "source_quote": "2,5-Cyclohexadiene-1,4-dione | 106-51-4 | 3,4 | U197 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,5-Cyclohexadiene-1,4-dione", "title": "2,5-Cyclohexadiene-1,4-dione \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,5-Dinitrophenol\n\n**CAS No.:** 329-71-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> 2,5-Dinitrophenol | 329-71-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "329-71-5", "cercla_rq_lbs": "10", "file": "2-5-dinitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-5-dinitrophenol", "regulatory_categories": "1", "source_quote": "2,5-Dinitrophenol | 329-71-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,5-Dinitrophenol", "title": "2,5-Dinitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,5-Furandione\n\n**CAS No.:** 108-31-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U147\n\n**Regulatory categories:** 1,3,4\n\n> 2,5-Furandione | 108-31-6 | 1,3,4 | U147 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-31-6", "cercla_rq_lbs": "5000", "file": "2-5-furandione.md", "generated": true, "harvested": "2026-08-05", "id": "2-5-furandione", "rcra_waste_number": "U147", "regulatory_categories": "1,3,4", "source_quote": "2,5-Furandione | 108-31-6 | 1,3,4 | U147 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,5-Furandione", "title": "2,5-Furandione \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,6-Dichlorophenol\n\n**CAS No.:** 87-65-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U082\n\n**Regulatory categories:** 4\n\n> 2,6-Dichlorophenol | 87-65-0 | 4 | U082 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-65-0", "cercla_rq_lbs": "100", "file": "2-6-dichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-6-dichlorophenol", "rcra_waste_number": "U082", "regulatory_categories": "4", "source_quote": "2,6-Dichlorophenol | 87-65-0 | 4 | U082 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,6-Dichlorophenol", "title": "2,6-Dichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,6-Dinitrophenol\n\n**CAS No.:** 573-56-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> 2,6-Dinitrophenol | 573-56-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "573-56-8", "cercla_rq_lbs": "10", "file": "2-6-dinitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-6-dinitrophenol", "regulatory_categories": "1", "source_quote": "2,6-Dinitrophenol | 573-56-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,6-Dinitrophenol", "title": "2,6-Dinitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,6-Dinitrotoluene\n\n**CAS No.:** 606-20-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U106\n\n**Regulatory categories:** 1,2,4\n\n> 2,6-Dinitrotoluene | 606-20-2 | 1,2,4 | U106 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "606-20-2", "cercla_rq_lbs": "100", "file": "2-6-dinitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "2-6-dinitrotoluene", "rcra_waste_number": "U106", "regulatory_categories": "1,2,4", "source_quote": "2,6-Dinitrotoluene | 606-20-2 | 1,2,4 | U106 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,6-Dinitrotoluene", "title": "2,6-Dinitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro-,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites\n\n**CAS No.:** 72-20-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P051\n\n**Regulatory categories:** 1,2,4\n\n> 2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro-,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites | 72-20-8 | 1,2,4 | P051 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-20-8", "cercla_rq_lbs": "1", "file": "2-7-3-6-dimethanonaphth-2-3-b-oxirene-3-4-5-6-9-9-hexachloro-1a-2-2a-3-6-6a-7-7a.md", "generated": true, "harvested": "2026-08-05", "id": "2-7-3-6-dimethanonaphth-2-3-b-oxirene-3-4-5-6-9-9-hexachloro-1a-2-2a-3-6-6a-7-7a", "rcra_waste_number": "P051", "regulatory_categories": "1,2,4", "source_quote": "2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro-,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites | 72-20-8 | 1,2,4 | P051 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro-,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites", "title": "2,7:3,6-Dimethanonaphth[2, 3-b]oxirene,3,4,5,6,9,9- hexachloro-1a,2,2a,3,6,6a,7,7a- octahydro-,(1aalpha,2beta, 2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)-, & metabolites \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2,7-Naphthalenedisulfonic acid, 3,3\u2032-[(3,3\u2032-dimethyl-(1,1\u2032-biphenyl)-4,4\u2032-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt\n\n**CAS No.:** 72-57-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U236\n\n**Regulatory categories:** 4\n\n> 2,7-Naphthalenedisulfonic acid, 3,3\u2032-[(3,3\u2032-dimethyl-(1,1\u2032-biphenyl)-4,4\u2032-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt | 72-57-1 | 4 | U236 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-57-1", "cercla_rq_lbs": "10", "file": "2-7-naphthalenedisulfonic-acid-3-3-3-3-dimethyl-1-1-biphenyl-4-4-diyl-bis-azo-bi.md", "generated": true, "harvested": "2026-08-05", "id": "2-7-naphthalenedisulfonic-acid-3-3-3-3-dimethyl-1-1-biphenyl-4-4-diyl-bis-azo-bi", "rcra_waste_number": "U236", "regulatory_categories": "4", "source_quote": "2,7-Naphthalenedisulfonic acid, 3,3\u2032-[(3,3\u2032-dimethyl-(1,1\u2032-biphenyl)-4,4\u2032-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt | 72-57-1 | 4 | U236 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2,7-Naphthalenedisulfonic acid, 3,3\u2032-[(3,3\u2032-dimethyl-(1,1\u2032-biphenyl)-4,4\u2032-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt", "title": "2,7-Naphthalenedisulfonic acid, 3,3\u2032-[(3,3\u2032-dimethyl-(1,1\u2032-biphenyl)-4,4\u2032-diyl)-bis(azo)]bis(5-amino-4-hydroxy)-tetrasodium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Acetylaminofluorene\n\n**CAS No.:** 53-96-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U005\n\n**Regulatory categories:** 3,4\n\n> 2-Acetylaminofluorene | 53-96-3 | 3,4 | U005 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53-96-3", "cercla_rq_lbs": "1", "file": "2-acetylaminofluorene.md", "generated": true, "harvested": "2026-08-05", "id": "2-acetylaminofluorene", "rcra_waste_number": "U005", "regulatory_categories": "3,4", "source_quote": "2-Acetylaminofluorene | 53-96-3 | 3,4 | U005 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Acetylaminofluorene", "title": "2-Acetylaminofluorene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime\n\n**CAS No.:** 39196-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P045\n\n**Regulatory categories:** 4\n\n> 2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime | 39196-18-4 | 4 | P045 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "39196-18-4", "cercla_rq_lbs": "100", "file": "2-butanone-3-3-dimethyl-1-methylthio-o-methylamino-carbonyl-oxime.md", "generated": true, "harvested": "2026-08-05", "id": "2-butanone-3-3-dimethyl-1-methylthio-o-methylamino-carbonyl-oxime", "rcra_waste_number": "P045", "regulatory_categories": "4", "source_quote": "2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime | 39196-18-4 | 4 | P045 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime", "title": "2-Butanone, 3,3-dimethyl-1(methylthio)-, O-[(methylamino)carbonyl] oxime \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Butanone peroxide\n\n**CAS No.:** 1338-23-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U160\n\n**Regulatory categories:** 4\n\n> 2-Butanone peroxide | 1338-23-4 | 4 | U160 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1338-23-4", "cercla_rq_lbs": "10", "file": "2-butanone-peroxide.md", "generated": true, "harvested": "2026-08-05", "id": "2-butanone-peroxide", "rcra_waste_number": "U160", "regulatory_categories": "4", "source_quote": "2-Butanone peroxide | 1338-23-4 | 4 | U160 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Butanone peroxide", "title": "2-Butanone peroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Butanone\n\n**CAS No.:** 78-93-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U159\n\n**Regulatory categories:** 4\n\n> 2-Butanone | 78-93-3 | 4 | U159 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-93-3", "cercla_rq_lbs": "5000", "file": "2-butanone.md", "generated": true, "harvested": "2026-08-05", "id": "2-butanone", "rcra_waste_number": "U159", "regulatory_categories": "4", "source_quote": "2-Butanone | 78-93-3 | 4 | U159 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Butanone", "title": "2-Butanone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Butene, 1,4-dichloro-\n\n**CAS No.:** 764-41-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U074\n\n**Regulatory categories:** 4\n\n> 2-Butene, 1,4-dichloro- | 764-41-0 | 4 | U074 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "764-41-0", "cercla_rq_lbs": "1", "file": "2-butene-1-4-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "2-butene-1-4-dichloro", "rcra_waste_number": "U074", "regulatory_categories": "4", "source_quote": "2-Butene, 1,4-dichloro- | 764-41-0 | 4 | U074 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Butene, 1,4-dichloro-", "title": "2-Butene, 1,4-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]-\n\n**CAS No.:** 303-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U143\n\n**Regulatory categories:** 4\n\n> 2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]- | 303-34-4 | 4 | U143 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "303-34-4", "cercla_rq_lbs": "10", "file": "2-butenoic-acid-2-methyl-7-2-3-dihydroxy-2-1-methoxyethyl-3-methyl-1-oxobutoxy-m.md", "generated": true, "harvested": "2026-08-05", "id": "2-butenoic-acid-2-methyl-7-2-3-dihydroxy-2-1-methoxyethyl-3-methyl-1-oxobutoxy-m", "rcra_waste_number": "U143", "regulatory_categories": "4", "source_quote": "2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]- | 303-34-4 | 4 | U143 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]-", "title": "2-Butenoic acid, 2-methyl-, 7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3- methyl-1-oxobutoxy] methyl]-2,3, 5,7a-tetrahydro- 1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z), 7(2S*,3R*),7aalpha]]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Chloroacetophenone\n\n**CAS No.:** 532-27-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> 2-Chloroacetophenone | 532-27-4 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "532-27-4", "cercla_rq_lbs": "100", "file": "2-chloroacetophenone.md", "generated": true, "harvested": "2026-08-05", "id": "2-chloroacetophenone", "regulatory_categories": "3", "source_quote": "2-Chloroacetophenone | 532-27-4 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Chloroacetophenone", "title": "2-Chloroacetophenone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Chloroethyl vinyl ether\n\n**CAS No.:** 110-75-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U042\n\n**Regulatory categories:** 2,4\n\n> 2-Chloroethyl vinyl ether | 110-75-8 | 2,4 | U042 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-75-8", "cercla_rq_lbs": "1000", "file": "2-chloroethyl-vinyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "2-chloroethyl-vinyl-ether", "rcra_waste_number": "U042", "regulatory_categories": "2,4", "source_quote": "2-Chloroethyl vinyl ether | 110-75-8 | 2,4 | U042 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Chloroethyl vinyl ether", "title": "2-Chloroethyl vinyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Chloronaphthalene\n\n**CAS No.:** 91-58-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U047\n\n**Regulatory categories:** 2,4\n\n> 2-Chloronaphthalene | 91-58-7 | 2,4 | U047 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-58-7", "cercla_rq_lbs": "5000", "file": "2-chloronaphthalene.md", "generated": true, "harvested": "2026-08-05", "id": "2-chloronaphthalene", "rcra_waste_number": "U047", "regulatory_categories": "2,4", "source_quote": "2-Chloronaphthalene | 91-58-7 | 2,4 | U047 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Chloronaphthalene", "title": "2-Chloronaphthalene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Chlorophenol\n\n**CAS No.:** 95-57-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U048\n\n**Regulatory categories:** 2,4\n\n> 2-Chlorophenol | 95-57-8 | 2,4 | U048 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-57-8", "cercla_rq_lbs": "100", "file": "2-chlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-chlorophenol", "rcra_waste_number": "U048", "regulatory_categories": "2,4", "source_quote": "2-Chlorophenol | 95-57-8 | 2,4 | U048 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Chlorophenol", "title": "2-Chlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Cyclohexyl-4,6-dinitrophenol\n\n**CAS No.:** 131-89-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P034\n\n**Regulatory categories:** 4\n\n> 2-Cyclohexyl-4,6-dinitrophenol | 131-89-5 | 4 | P034 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-89-5", "cercla_rq_lbs": "100", "file": "2-cyclohexyl-4-6-dinitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-cyclohexyl-4-6-dinitrophenol", "rcra_waste_number": "P034", "regulatory_categories": "4", "source_quote": "2-Cyclohexyl-4,6-dinitrophenol | 131-89-5 | 4 | P034 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Cyclohexyl-4,6-dinitrophenol", "title": "2-Cyclohexyl-4,6-dinitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Furancarboxaldehyde\n\n**CAS No.:** 98-01-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U125\n\n**Regulatory categories:** 1,4\n\n> 2-Furancarboxaldehyde | 98-01-1 | 1,4 | U125 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-01-1", "cercla_rq_lbs": "5000", "file": "2-furancarboxaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "2-furancarboxaldehyde", "rcra_waste_number": "U125", "regulatory_categories": "1,4", "source_quote": "2-Furancarboxaldehyde | 98-01-1 | 1,4 | U125 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Furancarboxaldehyde", "title": "2-Furancarboxaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Imidazolidinethione\n\n**CAS No.:** 96-45-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U116\n\n**Regulatory categories:** 3,4\n\n> 2-Imidazolidinethione | 96-45-7 | 3,4 | U116 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "96-45-7", "cercla_rq_lbs": "10", "file": "2-imidazolidinethione.md", "generated": true, "harvested": "2026-08-05", "id": "2-imidazolidinethione", "rcra_waste_number": "U116", "regulatory_categories": "3,4", "source_quote": "2-Imidazolidinethione | 96-45-7 | 3,4 | U116 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Imidazolidinethione", "title": "2-Imidazolidinethione \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Methyl aziridine\n\n**CAS No.:** 75-55-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P067\n\n**Regulatory categories:** 3,4\n\n> 2-Methyl aziridine | 75-55-8 | 3,4 | P067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-55-8", "cercla_rq_lbs": "1", "file": "2-methyl-aziridine.md", "generated": true, "harvested": "2026-08-05", "id": "2-methyl-aziridine", "rcra_waste_number": "P067", "regulatory_categories": "3,4", "source_quote": "2-Methyl aziridine | 75-55-8 | 3,4 | P067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Methyl aziridine", "title": "2-Methyl aziridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Methyllactonitrile\n\n**CAS No.:** 75-86-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P069\n\n**Regulatory categories:** 1,4\n\n> 2-Methyllactonitrile | 75-86-5 | 1,4 | P069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-86-5", "cercla_rq_lbs": "10", "file": "2-methyllactonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "2-methyllactonitrile", "rcra_waste_number": "P069", "regulatory_categories": "1,4", "source_quote": "2-Methyllactonitrile | 75-86-5 | 1,4 | P069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Methyllactonitrile", "title": "2-Methyllactonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Naphthalenamine\n\n**CAS No.:** 91-59-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U168\n\n**Regulatory categories:** 4\n\n> 2-Naphthalenamine | 91-59-8 | 4 | U168 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-59-8", "cercla_rq_lbs": "10", "file": "2-naphthalenamine.md", "generated": true, "harvested": "2026-08-05", "id": "2-naphthalenamine", "rcra_waste_number": "U168", "regulatory_categories": "4", "source_quote": "2-Naphthalenamine | 91-59-8 | 4 | U168 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Naphthalenamine", "title": "2-Naphthalenamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Nitrophenol\n\n**CAS No.:** 88-75-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,2\n\n> 2-Nitrophenol | 88-75-5 | 1,2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-75-5", "cercla_rq_lbs": "100", "file": "2-nitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "2-nitrophenol", "regulatory_categories": "1,2", "source_quote": "2-Nitrophenol | 88-75-5 | 1,2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Nitrophenol", "title": "2-Nitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Nitropropane\n\n**CAS No.:** 79-46-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U171\n\n**Regulatory categories:** 3,4\n\n> 2-Nitropropane | 79-46-9 | 3,4 | U171 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-46-9", "cercla_rq_lbs": "10", "file": "2-nitropropane.md", "generated": true, "harvested": "2026-08-05", "id": "2-nitropropane", "rcra_waste_number": "U171", "regulatory_categories": "3,4", "source_quote": "2-Nitropropane | 79-46-9 | 3,4 | U171 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Nitropropane", "title": "2-Nitropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Picoline\n\n**CAS No.:** 109-06-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U191\n\n**Regulatory categories:** 4\n\n> 2-Picoline | 109-06-8 | 4 | U191 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-06-8", "cercla_rq_lbs": "5000", "file": "2-picoline.md", "generated": true, "harvested": "2026-08-05", "id": "2-picoline", "rcra_waste_number": "U191", "regulatory_categories": "4", "source_quote": "2-Picoline | 109-06-8 | 4 | U191 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Picoline", "title": "2-Picoline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propanone, 1-bromo-\n\n**CAS No.:** 598-31-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P017\n\n**Regulatory categories:** 4\n\n> 2-Propanone, 1-bromo- | 598-31-2 | 4 | P017 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "598-31-2", "cercla_rq_lbs": "1000", "file": "2-propanone-1-bromo.md", "generated": true, "harvested": "2026-08-05", "id": "2-propanone-1-bromo", "rcra_waste_number": "P017", "regulatory_categories": "4", "source_quote": "2-Propanone, 1-bromo- | 598-31-2 | 4 | P017 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propanone, 1-bromo-", "title": "2-Propanone, 1-bromo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propanone\n\n**CAS No.:** 67-64-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U002\n\n**Regulatory categories:** 4\n\n> 2-Propanone | 67-64-1 | 4 | U002 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-64-1", "cercla_rq_lbs": "5000", "file": "2-propanone.md", "generated": true, "harvested": "2026-08-05", "id": "2-propanone", "rcra_waste_number": "U002", "regulatory_categories": "4", "source_quote": "2-Propanone | 67-64-1 | 4 | U002 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propanone", "title": "2-Propanone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propen-1-ol\n\n**CAS No.:** 107-18-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P005\n\n**Regulatory categories:** 1,4\n\n> 2-Propen-1-ol | 107-18-6 | 1,4 | P005 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-18-6", "cercla_rq_lbs": "100", "file": "2-propen-1-ol.md", "generated": true, "harvested": "2026-08-05", "id": "2-propen-1-ol", "rcra_waste_number": "P005", "regulatory_categories": "1,4", "source_quote": "2-Propen-1-ol | 107-18-6 | 1,4 | P005 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propen-1-ol", "title": "2-Propen-1-ol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenal\n\n**CAS No.:** 107-02-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P003\n\n**Regulatory categories:** 1,2,3,4\n\n> 2-Propenal | 107-02-8 | 1,2,3,4 | P003 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-02-8", "cercla_rq_lbs": "1", "file": "2-propenal.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenal", "rcra_waste_number": "P003", "regulatory_categories": "1,2,3,4", "source_quote": "2-Propenal | 107-02-8 | 1,2,3,4 | P003 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenal", "title": "2-Propenal \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenamide\n\n**CAS No.:** 79-06-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U007\n\n**Regulatory categories:** 3,4\n\n> 2-Propenamide | 79-06-1 | 3,4 | U007 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-06-1", "cercla_rq_lbs": "5000", "file": "2-propenamide.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenamide", "rcra_waste_number": "U007", "regulatory_categories": "3,4", "source_quote": "2-Propenamide | 79-06-1 | 3,4 | U007 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenamide", "title": "2-Propenamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenenitrile, 2-methyl-\n\n**CAS No.:** 126-98-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U152\n\n**Regulatory categories:** 4\n\n> 2-Propenenitrile, 2-methyl- | 126-98-7 | 4 | U152 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "126-98-7", "cercla_rq_lbs": "1000", "file": "2-propenenitrile-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenenitrile-2-methyl", "rcra_waste_number": "U152", "regulatory_categories": "4", "source_quote": "2-Propenenitrile, 2-methyl- | 126-98-7 | 4 | U152 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenenitrile, 2-methyl-", "title": "2-Propenenitrile, 2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenenitrile\n\n**CAS No.:** 107-13-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U009\n\n**Regulatory categories:** 1,2,3,4\n\n> 2-Propenenitrile | 107-13-1 | 1,2,3,4 | U009 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-13-1", "cercla_rq_lbs": "100", "file": "2-propenenitrile.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenenitrile", "rcra_waste_number": "U009", "regulatory_categories": "1,2,3,4", "source_quote": "2-Propenenitrile | 107-13-1 | 1,2,3,4 | U009 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenenitrile", "title": "2-Propenenitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenoic acid, 2-methyl-, ethyl ester\n\n**CAS No.:** 97-63-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U118\n\n**Regulatory categories:** 4\n\n> 2-Propenoic acid, 2-methyl-, ethyl ester | 97-63-2 | 4 | U118 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "97-63-2", "cercla_rq_lbs": "1000", "file": "2-propenoic-acid-2-methyl-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenoic-acid-2-methyl-ethyl-ester", "rcra_waste_number": "U118", "regulatory_categories": "4", "source_quote": "2-Propenoic acid, 2-methyl-, ethyl ester | 97-63-2 | 4 | U118 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenoic acid, 2-methyl-, ethyl ester", "title": "2-Propenoic acid, 2-methyl-, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenoic acid, 2-methyl-, methyl ester\n\n**CAS No.:** 80-62-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U162\n\n**Regulatory categories:** 1,3,4\n\n> 2-Propenoic acid, 2-methyl-, methyl ester | 80-62-6 | 1,3,4 | U162 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "80-62-6", "cercla_rq_lbs": "1000", "file": "2-propenoic-acid-2-methyl-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenoic-acid-2-methyl-methyl-ester", "rcra_waste_number": "U162", "regulatory_categories": "1,3,4", "source_quote": "2-Propenoic acid, 2-methyl-, methyl ester | 80-62-6 | 1,3,4 | U162 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenoic acid, 2-methyl-, methyl ester", "title": "2-Propenoic acid, 2-methyl-, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenoic acid, ethyl ester\n\n**CAS No.:** 140-88-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U113\n\n**Regulatory categories:** 3,4\n\n> 2-Propenoic acid, ethyl ester | 140-88-5 | 3,4 | U113 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "140-88-5", "cercla_rq_lbs": "1000", "file": "2-propenoic-acid-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenoic-acid-ethyl-ester", "rcra_waste_number": "U113", "regulatory_categories": "3,4", "source_quote": "2-Propenoic acid, ethyl ester | 140-88-5 | 3,4 | U113 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenoic acid, ethyl ester", "title": "2-Propenoic acid, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propenoic acid\n\n**CAS No.:** 79-10-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U008\n\n**Regulatory categories:** 3,4\n\n> 2-Propenoic acid | 79-10-7 | 3,4 | U008 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-10-7", "cercla_rq_lbs": "5000", "file": "2-propenoic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "2-propenoic-acid", "rcra_waste_number": "U008", "regulatory_categories": "3,4", "source_quote": "2-Propenoic acid | 79-10-7 | 3,4 | U008 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propenoic acid", "title": "2-Propenoic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2-Propyn-1-ol\n\n**CAS No.:** 107-19-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P102\n\n**Regulatory categories:** 4\n\n> 2-Propyn-1-ol | 107-19-7 | 4 | P102 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-19-7", "cercla_rq_lbs": "1000", "file": "2-propyn-1-ol.md", "generated": true, "harvested": "2026-08-05", "id": "2-propyn-1-ol", "rcra_waste_number": "P102", "regulatory_categories": "4", "source_quote": "2-Propyn-1-ol | 107-19-7 | 4 | P102 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2-Propyn-1-ol", "title": "2-Propyn-1-ol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 2H-1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide\n\n**CAS No.:** 50-18-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U058\n\n**Regulatory categories:** 4\n\n> 2H-1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide | 50-18-0 | 4 | U058 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-18-0", "cercla_rq_lbs": "10", "file": "2h-1-3-2-oxazaphosphorin-2-amine-n-n-bis-2-chloroethyl-tetrahydro-2-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "2h-1-3-2-oxazaphosphorin-2-amine-n-n-bis-2-chloroethyl-tetrahydro-2-oxide", "rcra_waste_number": "U058", "regulatory_categories": "4", "source_quote": "2H-1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide | 50-18-0 | 4 | U058 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "2H-1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide", "title": "2H-1,3,2-Oxazaphosphorin-2-amine, N,N- bis(2-chloroethyl)tetrahydro-, 2-oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3(2H)-Isoxazolone, 5-(aminomethyl)-\n\n**CAS No.:** 2763-96-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P007\n\n**Regulatory categories:** 4\n\n> 3(2H)-Isoxazolone, 5-(aminomethyl)- | 2763-96-4 | 4 | P007 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2763-96-4", "cercla_rq_lbs": "1000", "file": "3-2h-isoxazolone-5-aminomethyl.md", "generated": true, "harvested": "2026-08-05", "id": "3-2h-isoxazolone-5-aminomethyl", "rcra_waste_number": "P007", "regulatory_categories": "4", "source_quote": "3(2H)-Isoxazolone, 5-(aminomethyl)- | 2763-96-4 | 4 | P007 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3(2H)-Isoxazolone, 5-(aminomethyl)-", "title": "3(2H)-Isoxazolone, 5-(aminomethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,3\u2032-Dichlorobenzidine\n\n**CAS No.:** 91-94-1\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U073\n\n**Regulatory categories:** 2,3,4\n\n> 3,3\u2032-Dichlorobenzidine | 91-94-1 | 2,3,4 | U073 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-94-1", "cercla_rq_lbs": "1", "file": "3-3-dichlorobenzidine.md", "generated": true, "harvested": "2026-08-05", "id": "3-3-dichlorobenzidine", "rcra_waste_number": "U073", "regulatory_categories": "2,3,4", "source_quote": "3,3\u2032-Dichlorobenzidine | 91-94-1 | 2,3,4 | U073 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,3\u2032-Dichlorobenzidine", "title": "3,3\u2032-Dichlorobenzidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,3\u2032-Dimethoxybenzidine\n\n**CAS No.:** 119-90-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U091\n\n**Regulatory categories:** 3,4\n\n> 3,3\u2032-Dimethoxybenzidine | 119-90-4 | 3,4 | U091 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-90-4", "cercla_rq_lbs": "100", "file": "3-3-dimethoxybenzidine.md", "generated": true, "harvested": "2026-08-05", "id": "3-3-dimethoxybenzidine", "rcra_waste_number": "U091", "regulatory_categories": "3,4", "source_quote": "3,3\u2032-Dimethoxybenzidine | 119-90-4 | 3,4 | U091 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,3\u2032-Dimethoxybenzidine", "title": "3,3\u2032-Dimethoxybenzidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,3\u2032-Dimethylbenzidine\n\n**CAS No.:** 119-93-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U095\n\n**Regulatory categories:** 3,4\n\n> 3,3\u2032-Dimethylbenzidine | 119-93-7 | 3,4 | U095 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-93-7", "cercla_rq_lbs": "10", "file": "3-3-dimethylbenzidine.md", "generated": true, "harvested": "2026-08-05", "id": "3-3-dimethylbenzidine", "rcra_waste_number": "U095", "regulatory_categories": "3,4", "source_quote": "3,3\u2032-Dimethylbenzidine | 119-93-7 | 3,4 | U095 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,3\u2032-Dimethylbenzidine", "title": "3,3\u2032-Dimethylbenzidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,4,5-Trichlorophenol\n\n**CAS No.:** 609-19-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> 3,4,5-Trichlorophenol | 609-19-8 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "609-19-8", "cercla_rq_lbs": "10", "file": "3-4-5-trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "3-4-5-trichlorophenol", "regulatory_categories": "1,2", "source_quote": "3,4,5-Trichlorophenol | 609-19-8 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,4,5-Trichlorophenol", "title": "3,4,5-Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,4-Benzopyrene\n\n**CAS No.:** 50-32-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U022\n\n**Regulatory categories:** 2,4\n\n> 3,4-Benzopyrene | 50-32-8 | 2,4 | U022 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-32-8", "cercla_rq_lbs": "1", "file": "3-4-benzopyrene.md", "generated": true, "harvested": "2026-08-05", "id": "3-4-benzopyrene", "rcra_waste_number": "U022", "regulatory_categories": "2,4", "source_quote": "3,4-Benzopyrene | 50-32-8 | 2,4 | U022 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,4-Benzopyrene", "title": "3,4-Benzopyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,4-Dinitrotoluene\n\n**CAS No.:** 610-39-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> 3,4-Dinitrotoluene | 610-39-9 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "610-39-9", "cercla_rq_lbs": "10", "file": "3-4-dinitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "3-4-dinitrotoluene", "regulatory_categories": "1,2", "source_quote": "3,4-Dinitrotoluene | 610-39-9 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,4-Dinitrotoluene", "title": "3,4-Dinitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3,6-Pyridazinedione, 1,2-dihydro-\n\n**CAS No.:** 123-33-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U148\n\n**Regulatory categories:** 4\n\n> 3,6-Pyridazinedione, 1,2-dihydro- | 123-33-1 | 4 | U148 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-33-1", "cercla_rq_lbs": "5000", "file": "3-6-pyridazinedione-1-2-dihydro.md", "generated": true, "harvested": "2026-08-05", "id": "3-6-pyridazinedione-1-2-dihydro", "rcra_waste_number": "U148", "regulatory_categories": "4", "source_quote": "3,6-Pyridazinedione, 1,2-dihydro- | 123-33-1 | 4 | U148 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3,6-Pyridazinedione, 1,2-dihydro-", "title": "3,6-Pyridazinedione, 1,2-dihydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3-Chloropropionitrile\n\n**CAS No.:** 542-76-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P027\n\n**Regulatory categories:** 4\n\n> 3-Chloropropionitrile | 542-76-7 | 4 | P027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-76-7", "cercla_rq_lbs": "1000", "file": "3-chloropropionitrile.md", "generated": true, "harvested": "2026-08-05", "id": "3-chloropropionitrile", "rcra_waste_number": "P027", "regulatory_categories": "4", "source_quote": "3-Chloropropionitrile | 542-76-7 | 4 | P027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3-Chloropropionitrile", "title": "3-Chloropropionitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3-Isopropylphenyl N-methylcarbamate\n\n**CAS No.:** 64-00-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P202\n\n**Regulatory categories:** 4\n\n> 3-Isopropylphenyl N-methylcarbamate | 64-00-6 | 4 | P202 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-00-6", "cercla_rq_lbs": "10", "file": "3-isopropylphenyl-n-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "3-isopropylphenyl-n-methylcarbamate", "rcra_waste_number": "P202", "regulatory_categories": "4", "source_quote": "3-Isopropylphenyl N-methylcarbamate | 64-00-6 | 4 | P202 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3-Isopropylphenyl N-methylcarbamate", "title": "3-Isopropylphenyl N-methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 3-Methylcholanthrene\n\n**CAS No.:** 56-49-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U157\n\n**Regulatory categories:** 4\n\n> 3-Methylcholanthrene | 56-49-5 | 4 | U157 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-49-5", "cercla_rq_lbs": "10", "file": "3-methylcholanthrene.md", "generated": true, "harvested": "2026-08-05", "id": "3-methylcholanthrene", "rcra_waste_number": "U157", "regulatory_categories": "4", "source_quote": "3-Methylcholanthrene | 56-49-5 | 4 | U157 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "3-Methylcholanthrene", "title": "3-Methylcholanthrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-\n\n**CAS No.:** 56-04-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U164\n\n**Regulatory categories:** 4\n\n> 4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- | 56-04-2 | 4 | U164 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-04-2", "cercla_rq_lbs": "10", "file": "4-1h-pyrimidinone-2-3-dihydro-6-methyl-2-thioxo.md", "generated": true, "harvested": "2026-08-05", "id": "4-1h-pyrimidinone-2-3-dihydro-6-methyl-2-thioxo", "rcra_waste_number": "U164", "regulatory_categories": "4", "source_quote": "4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- | 56-04-2 | 4 | U164 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-", "title": "4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,4\u2032-DDD\n\n**CAS No.:** 72-54-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U060\n\n**Regulatory categories:** 1,2,4\n\n> 4,4\u2032-DDD | 72-54-8 | 1,2,4 | U060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-54-8", "cercla_rq_lbs": "1", "file": "4-4-ddd.md", "generated": true, "harvested": "2026-08-05", "id": "4-4-ddd", "rcra_waste_number": "U060", "regulatory_categories": "1,2,4", "source_quote": "4,4\u2032-DDD | 72-54-8 | 1,2,4 | U060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,4\u2032-DDD", "title": "4,4\u2032-DDD \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,4\u2032-DDE\n\n**CAS No.:** 72-55-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,4\n\n> 4,4\u2032-DDE | 72-55-9 | 2,4 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-55-9", "cercla_rq_lbs": "1", "file": "4-4-dde.md", "generated": true, "harvested": "2026-08-05", "id": "4-4-dde", "regulatory_categories": "2,4", "source_quote": "4,4\u2032-DDE | 72-55-9 | 2,4 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,4\u2032-DDE", "title": "4,4\u2032-DDE \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,4\u2032-DDT\n\n**CAS No.:** 50-29-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U061\n\n**Regulatory categories:** 1,2,4\n\n> 4,4\u2032-DDT | 50-29-3 | 1,2,4 | U061 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-29-3", "cercla_rq_lbs": "1", "file": "4-4-ddt.md", "generated": true, "harvested": "2026-08-05", "id": "4-4-ddt", "rcra_waste_number": "U061", "regulatory_categories": "1,2,4", "source_quote": "4,4\u2032-DDT | 50-29-3 | 1,2,4 | U061 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,4\u2032-DDT", "title": "4,4\u2032-DDT \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,4\u2032-Methylenebis(2-chloroaniline)\n\n**CAS No.:** 101-14-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U158\n\n**Regulatory categories:** 3,4\n\n> 4,4\u2032-Methylenebis(2-chloroaniline) | 101-14-4 | 3,4 | U158 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-14-4", "cercla_rq_lbs": "10", "file": "4-4-methylenebis-2-chloroaniline.md", "generated": true, "harvested": "2026-08-05", "id": "4-4-methylenebis-2-chloroaniline", "rcra_waste_number": "U158", "regulatory_categories": "3,4", "source_quote": "4,4\u2032-Methylenebis(2-chloroaniline) | 101-14-4 | 3,4 | U158 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,4\u2032-Methylenebis(2-chloroaniline)", "title": "4,4\u2032-Methylenebis(2-chloroaniline) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,4\u2032-Methylenedianiline\n\n**CAS No.:** 101-77-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> 4,4\u2032-Methylenedianiline | 101-77-9 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-77-9", "cercla_rq_lbs": "10", "file": "4-4-methylenedianiline.md", "generated": true, "harvested": "2026-08-05", "id": "4-4-methylenedianiline", "regulatory_categories": "3", "source_quote": "4,4\u2032-Methylenedianiline | 101-77-9 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,4\u2032-Methylenedianiline", "title": "4,4\u2032-Methylenedianiline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,6-Dinitro-o-cresol, and salts\n\n**CAS No.:** 534-52-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P047\n\n**Regulatory categories:** 3,4\n\n> 4,6-Dinitro-o-cresol, and salts | 534-52-1 | 3,4 | P047 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "534-52-1", "cercla_rq_lbs": "10", "file": "4-6-dinitro-o-cresol-and-salts.md", "generated": true, "harvested": "2026-08-05", "id": "4-6-dinitro-o-cresol-and-salts", "rcra_waste_number": "P047", "regulatory_categories": "3,4", "source_quote": "4,6-Dinitro-o-cresol, and salts | 534-52-1 | 3,4 | P047 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,6-Dinitro-o-cresol, and salts", "title": "4,6-Dinitro-o-cresol, and salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,6-Dinitro-o-cresol\n\n**CAS No.:** 534-52-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P047\n\n**Regulatory categories:** 2,3,4\n\n> 4,6-Dinitro-o-cresol | 534-52-1 | 2,3,4 | P047 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "534-52-1", "cercla_rq_lbs": "10", "file": "4-6-dinitro-o-cresol.md", "generated": true, "harvested": "2026-08-05", "id": "4-6-dinitro-o-cresol", "rcra_waste_number": "P047", "regulatory_categories": "2,3,4", "source_quote": "4,6-Dinitro-o-cresol | 534-52-1 | 2,3,4 | P047 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,6-Dinitro-o-cresol", "title": "4,6-Dinitro-o-cresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro-\n\n**CAS No.:** 57-74-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U036\n\n**Regulatory categories:** 1,2,3,4\n\n> 4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro- | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-74-9", "cercla_rq_lbs": "1", "file": "4-7-methano-1h-indene-1-2-4-5-6-7-8-8-octachloro-2-3-3a-4-7-7a-hexahydro.md", "generated": true, "harvested": "2026-08-05", "id": "4-7-methano-1h-indene-1-2-4-5-6-7-8-8-octachloro-2-3-3a-4-7-7a-hexahydro", "rcra_waste_number": "U036", "regulatory_categories": "1,2,3,4", "source_quote": "4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro- | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro-", "title": "4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-\n\n**CAS No.:** 76-44-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P059\n\n**Regulatory categories:** 1,2,3,4\n\n> 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- | 76-44-8 | 1,2,3,4 | P059 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "76-44-8", "cercla_rq_lbs": "1", "file": "4-7-methano-1h-indene-1-4-5-6-7-8-8-heptachloro-3a-4-7-7a-tetrahydro.md", "generated": true, "harvested": "2026-08-05", "id": "4-7-methano-1h-indene-1-4-5-6-7-8-8-heptachloro-3a-4-7-7a-tetrahydro", "rcra_waste_number": "P059", "regulatory_categories": "1,2,3,4", "source_quote": "4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- | 76-44-8 | 1,2,3,4 | P059 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-", "title": "4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Aminobiphenyl\n\n**CAS No.:** 92-67-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 3\n\n> 4-Aminobiphenyl | 92-67-1 | 3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "92-67-1", "cercla_rq_lbs": "1", "file": "4-aminobiphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "4-aminobiphenyl", "regulatory_categories": "3", "source_quote": "4-Aminobiphenyl | 92-67-1 | 3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Aminobiphenyl", "title": "4-Aminobiphenyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Aminopyridine\n\n**CAS No.:** 504-24-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P008\n\n**Regulatory categories:** 4\n\n> 4-Aminopyridine | 504-24-5 | 4 | P008 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "504-24-5", "cercla_rq_lbs": "1000", "file": "4-aminopyridine.md", "generated": true, "harvested": "2026-08-05", "id": "4-aminopyridine", "rcra_waste_number": "P008", "regulatory_categories": "4", "source_quote": "4-Aminopyridine | 504-24-5 | 4 | P008 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Aminopyridine", "title": "4-Aminopyridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Bromophenyl phenyl ether\n\n**CAS No.:** 101-55-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U030\n\n**Regulatory categories:** 2,4\n\n> 4-Bromophenyl phenyl ether | 101-55-3 | 2,4 | U030 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-55-3", "cercla_rq_lbs": "100", "file": "4-bromophenyl-phenyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "4-bromophenyl-phenyl-ether", "rcra_waste_number": "U030", "regulatory_categories": "2,4", "source_quote": "4-Bromophenyl phenyl ether | 101-55-3 | 2,4 | U030 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Bromophenyl phenyl ether", "title": "4-Bromophenyl phenyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Chloro-o-toluidine, hydrochloride\n\n**CAS No.:** 3165-93-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U049\n\n**Regulatory categories:** 4\n\n> 4-Chloro-o-toluidine, hydrochloride | 3165-93-3 | 4 | U049 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3165-93-3", "cercla_rq_lbs": "100", "file": "4-chloro-o-toluidine-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "4-chloro-o-toluidine-hydrochloride", "rcra_waste_number": "U049", "regulatory_categories": "4", "source_quote": "4-Chloro-o-toluidine, hydrochloride | 3165-93-3 | 4 | U049 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Chloro-o-toluidine, hydrochloride", "title": "4-Chloro-o-toluidine, hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Chlorophenyl phenyl ether\n\n**CAS No.:** 7005-72-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> 4-Chlorophenyl phenyl ether | 7005-72-3 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7005-72-3", "cercla_rq_lbs": "5000", "file": "4-chlorophenyl-phenyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "4-chlorophenyl-phenyl-ether", "regulatory_categories": "2", "source_quote": "4-Chlorophenyl phenyl ether | 7005-72-3 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Chlorophenyl phenyl ether", "title": "4-Chlorophenyl phenyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Methyl-2-pentanone\n\n**CAS No.:** 108-10-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U161\n\n**Regulatory categories:** 3,4\n\n> 4-Methyl-2-pentanone | 108-10-1 | 3,4 | U161 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-10-1", "cercla_rq_lbs": "5000", "file": "4-methyl-2-pentanone.md", "generated": true, "harvested": "2026-08-05", "id": "4-methyl-2-pentanone", "rcra_waste_number": "U161", "regulatory_categories": "3,4", "source_quote": "4-Methyl-2-pentanone | 108-10-1 | 3,4 | U161 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Methyl-2-pentanone", "title": "4-Methyl-2-pentanone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Nitrobiphenyl\n\n**CAS No.:** 92-93-3\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> 4-Nitrobiphenyl | 92-93-3 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "92-93-3", "cercla_rq_lbs": "10", "file": "4-nitrobiphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "4-nitrobiphenyl", "regulatory_categories": "3", "source_quote": "4-Nitrobiphenyl | 92-93-3 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Nitrobiphenyl", "title": "4-Nitrobiphenyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Nitrophenol\n\n**CAS No.:** 100-02-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U170\n\n**Regulatory categories:** 1,2,3,4\n\n> 4-Nitrophenol | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-02-7", "cercla_rq_lbs": "100", "file": "4-nitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "4-nitrophenol", "rcra_waste_number": "U170", "regulatory_categories": "1,2,3,4", "source_quote": "4-Nitrophenol | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Nitrophenol", "title": "4-Nitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 4-Pyridinamine\n\n**CAS No.:** 504-24-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P008\n\n**Regulatory categories:** 4\n\n> 4-Pyridinamine | 504-24-5 | 4 | P008 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "504-24-5", "cercla_rq_lbs": "1000", "file": "4-pyridinamine.md", "generated": true, "harvested": "2026-08-05", "id": "4-pyridinamine", "rcra_waste_number": "P008", "regulatory_categories": "4", "source_quote": "4-Pyridinamine | 504-24-5 | 4 | P008 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "4-Pyridinamine", "title": "4-Pyridinamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)-\n\n**CAS No.:** 20830-81-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U059\n\n**Regulatory categories:** 4\n\n> 5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)- | 20830-81-3 | 4 | U059 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "20830-81-3", "cercla_rq_lbs": "10", "file": "5-12-naphthacenedione-8-acetyl-10-3-amino-2-3-6-trideoxy-alpha-l-lyxo-hexopyrano.md", "generated": true, "harvested": "2026-08-05", "id": "5-12-naphthacenedione-8-acetyl-10-3-amino-2-3-6-trideoxy-alpha-l-lyxo-hexopyrano", "rcra_waste_number": "U059", "regulatory_categories": "4", "source_quote": "5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)- | 20830-81-3 | 4 | U059 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)-", "title": "5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 5-(Aminomethyl)-3-isoxazolol\n\n**CAS No.:** 2763-96-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P007\n\n**Regulatory categories:** 4\n\n> 5-(Aminomethyl)-3-isoxazolol | 2763-96-4 | 4 | P007 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2763-96-4", "cercla_rq_lbs": "1000", "file": "5-aminomethyl-3-isoxazolol.md", "generated": true, "harvested": "2026-08-05", "id": "5-aminomethyl-3-isoxazolol", "rcra_waste_number": "P007", "regulatory_categories": "4", "source_quote": "5-(Aminomethyl)-3-isoxazolol | 2763-96-4 | 4 | P007 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "5-(Aminomethyl)-3-isoxazolol", "title": "5-(Aminomethyl)-3-isoxazolol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 5-Nitro-o-toluidine\n\n**CAS No.:** 99-55-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U181\n\n**Regulatory categories:** 4\n\n> 5-Nitro-o-toluidine | 99-55-8 | 4 | U181 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-55-8", "cercla_rq_lbs": "100", "file": "5-nitro-o-toluidine.md", "generated": true, "harvested": "2026-08-05", "id": "5-nitro-o-toluidine", "rcra_waste_number": "U181", "regulatory_categories": "4", "source_quote": "5-Nitro-o-toluidine | 99-55-8 | 4 | U181 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "5-Nitro-o-toluidine", "title": "5-Nitro-o-toluidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide\n\n**CAS No.:** 115-29-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P050\n\n**Regulatory categories:** 1,2,4\n\n> 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide | 115-29-7 | 1,2,4 | P050 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "115-29-7", "cercla_rq_lbs": "1", "file": "6-9-methano-2-4-3-benzodioxathiepin-6-7-8-9-10-10-hexachloro-1-5-5a-6-9-9a-hexah.md", "generated": true, "harvested": "2026-08-05", "id": "6-9-methano-2-4-3-benzodioxathiepin-6-7-8-9-10-10-hexachloro-1-5-5a-6-9-9a-hexah", "rcra_waste_number": "P050", "regulatory_categories": "1,2,4", "source_quote": "6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide | 115-29-7 | 1,2,4 | P050 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide", "title": "6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 7,12-Dimethylbenz[a]anthracene\n\n**CAS No.:** 57-97-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U094\n\n**Regulatory categories:** 4\n\n> 7,12-Dimethylbenz[a]anthracene | 57-97-6 | 4 | U094 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-97-6", "cercla_rq_lbs": "1", "file": "7-12-dimethylbenz-a-anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "7-12-dimethylbenz-a-anthracene", "rcra_waste_number": "U094", "regulatory_categories": "4", "source_quote": "7,12-Dimethylbenz[a]anthracene | 57-97-6 | 4 | U094 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "7,12-Dimethylbenz[a]anthracene", "title": "7,12-Dimethylbenz[a]anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate\n\n**CAS No.:** 1563-66-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P127\n\n**Regulatory categories:** 1,4\n\n> 7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate | 1563-66-2 | 1,4 | P127 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1563-66-2", "cercla_rq_lbs": "10", "file": "7-benzofuranol-2-3-dihydro-2-2-dimethyl-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "7-benzofuranol-2-3-dihydro-2-2-dimethyl-methylcarbamate", "rcra_waste_number": "P127", "regulatory_categories": "1,4", "source_quote": "7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate | 1563-66-2 | 1,4 | P127 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate", "title": "7-Benzofuranol, 2,3-dihydro-2,2- dimethyl-, methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-\n\n**CAS No.:** 1563-38-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U367\n\n**Regulatory categories:** 4\n\n> 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl- | 1563-38-8 | 4 | U367 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1563-38-8", "cercla_rq_lbs": "10", "file": "7-benzofuranol-2-3-dihydro-2-2-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "7-benzofuranol-2-3-dihydro-2-2-dimethyl", "rcra_waste_number": "U367", "regulatory_categories": "4", "source_quote": "7-Benzofuranol, 2,3-dihydro-2,2-dimethyl- | 1563-38-8 | 4 | U367 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-", "title": "7-Benzofuranol, 2,3-dihydro-2,2-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** 7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid\n\n**CAS No.:** 145-73-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P088\n\n**Regulatory categories:** 4\n\n> 7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid | 145-73-3 | 4 | P088 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "145-73-3", "cercla_rq_lbs": "1000", "file": "7-oxabicyclo-221-heptane-2-3-dicarboxylic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "7-oxabicyclo-221-heptane-2-3-dicarboxylic-acid", "rcra_waste_number": "P088", "regulatory_categories": "4", "source_quote": "7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid | 145-73-3 | 4 | P088 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid", "title": "7-Oxabicyclo[221]heptane-2,3-dicarboxylic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (a) Cresols/Cresylic acid\n\n**CAS No.:** 1319-77-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U052\n\n**Regulatory categories:** 1,3,4\n\n> (a) Cresols/Cresylic acid | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1319-77-3", "cercla_rq_lbs": "100", "file": "a-cresols-cresylic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "a-cresols-cresylic-acid", "rcra_waste_number": "U052", "regulatory_categories": "1,3,4", "source_quote": "(a) Cresols/Cresylic acid | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(a) Cresols/Cresylic acid", "title": "(a) Cresols/Cresylic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (a) Tetrachloroethylene\n\n**CAS No.:** 127-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U210\n\n**Regulatory categories:** 2,3,4\n\n> (a) Tetrachloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "127-18-4", "cercla_rq_lbs": "100", "file": "a-tetrachloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "a-tetrachloroethylene", "rcra_waste_number": "U210", "regulatory_categories": "2,3,4", "source_quote": "(a) Tetrachloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(a) Tetrachloroethylene", "title": "(a) Tetrachloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (a) Toluene\n\n**CAS No.:** 108-88-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U220\n\n**Regulatory categories:** 1,2,3,4\n\n> (a) Toluene | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-88-3", "cercla_rq_lbs": "1000", "file": "a-toluene.md", "generated": true, "harvested": "2026-08-05", "id": "a-toluene", "rcra_waste_number": "U220", "regulatory_categories": "1,2,3,4", "source_quote": "(a) Toluene | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(a) Toluene", "title": "(a) Toluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** A2213\n\n**CAS No.:** 30558-43-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U394\n\n**Regulatory categories:** 4\n\n> A2213 | 30558-43-1 | 4 | U394 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "30558-43-1", "cercla_rq_lbs": "5000", "file": "a2213.md", "generated": true, "harvested": "2026-08-05", "id": "a2213", "rcra_waste_number": "U394", "regulatory_categories": "4", "source_quote": "A2213 | 30558-43-1 | 4 | U394 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "A2213", "title": "A2213 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acenaphthene\n\n**CAS No.:** 83-32-9\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> Acenaphthene | 83-32-9 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "83-32-9", "cercla_rq_lbs": "100", "file": "acenaphthene.md", "generated": true, "harvested": "2026-08-05", "id": "acenaphthene", "regulatory_categories": "2", "source_quote": "Acenaphthene | 83-32-9 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acenaphthene", "title": "Acenaphthene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acenaphthylene\n\n**CAS No.:** 208-96-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Acenaphthylene | 208-96-8 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "208-96-8", "cercla_rq_lbs": "5000", "file": "acenaphthylene.md", "generated": true, "harvested": "2026-08-05", "id": "acenaphthylene", "regulatory_categories": "2", "source_quote": "Acenaphthylene | 208-96-8 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acenaphthylene", "title": "Acenaphthylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetaldehyde, chloro-\n\n**CAS No.:** 107-20-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P023\n\n**Regulatory categories:** 4\n\n> Acetaldehyde, chloro- | 107-20-0 | 4 | P023 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-20-0", "cercla_rq_lbs": "1000", "file": "acetaldehyde-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "acetaldehyde-chloro", "rcra_waste_number": "P023", "regulatory_categories": "4", "source_quote": "Acetaldehyde, chloro- | 107-20-0 | 4 | P023 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetaldehyde, chloro-", "title": "Acetaldehyde, chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetaldehyde, trichloro-\n\n**CAS No.:** 75-87-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U034\n\n**Regulatory categories:** 4\n\n> Acetaldehyde, trichloro- | 75-87-6 | 4 | U034 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-87-6", "cercla_rq_lbs": "5000", "file": "acetaldehyde-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "acetaldehyde-trichloro", "rcra_waste_number": "U034", "regulatory_categories": "4", "source_quote": "Acetaldehyde, trichloro- | 75-87-6 | 4 | U034 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetaldehyde, trichloro-", "title": "Acetaldehyde, trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetaldehyde\n\n**CAS No.:** 75-07-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U001\n\n**Regulatory categories:** 1,3,4\n\n> Acetaldehyde | 75-07-0 | 1,3,4 | U001 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-07-0", "cercla_rq_lbs": "1000", "file": "acetaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "acetaldehyde", "rcra_waste_number": "U001", "regulatory_categories": "1,3,4", "source_quote": "Acetaldehyde | 75-07-0 | 1,3,4 | U001 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetaldehyde", "title": "Acetaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetamide, 2-fluoro-\n\n**CAS No.:** 640-19-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P057\n\n**Regulatory categories:** 4\n\n> Acetamide, 2-fluoro- | 640-19-7 | 4 | P057 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "640-19-7", "cercla_rq_lbs": "100", "file": "acetamide-2-fluoro.md", "generated": true, "harvested": "2026-08-05", "id": "acetamide-2-fluoro", "rcra_waste_number": "P057", "regulatory_categories": "4", "source_quote": "Acetamide, 2-fluoro- | 640-19-7 | 4 | P057 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetamide, 2-fluoro-", "title": "Acetamide, 2-fluoro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetamide, N-(4-ethoxyphenyl)-\n\n**CAS No.:** 62-44-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U187\n\n**Regulatory categories:** 4\n\n> Acetamide, N-(4-ethoxyphenyl)- | 62-44-2 | 4 | U187 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-44-2", "cercla_rq_lbs": "100", "file": "acetamide-n-4-ethoxyphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "acetamide-n-4-ethoxyphenyl", "rcra_waste_number": "U187", "regulatory_categories": "4", "source_quote": "Acetamide, N-(4-ethoxyphenyl)- | 62-44-2 | 4 | U187 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetamide, N-(4-ethoxyphenyl)-", "title": "Acetamide, N-(4-ethoxyphenyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetamide, N-9H-fluoren-2-yl-\n\n**CAS No.:** 53-96-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U005\n\n**Regulatory categories:** 3,4\n\n> Acetamide, N-9H-fluoren-2-yl- | 53-96-3 | 3,4 | U005 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53-96-3", "cercla_rq_lbs": "1", "file": "acetamide-n-9h-fluoren-2-yl.md", "generated": true, "harvested": "2026-08-05", "id": "acetamide-n-9h-fluoren-2-yl", "rcra_waste_number": "U005", "regulatory_categories": "3,4", "source_quote": "Acetamide, N-9H-fluoren-2-yl- | 53-96-3 | 3,4 | U005 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetamide, N-9H-fluoren-2-yl-", "title": "Acetamide, N-9H-fluoren-2-yl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetamide, N-(aminothioxomethyl)-\n\n**CAS No.:** 591-08-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P002\n\n**Regulatory categories:** 4\n\n> Acetamide, N-(aminothioxomethyl)- | 591-08-2 | 4 | P002 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "591-08-2", "cercla_rq_lbs": "1000", "file": "acetamide-n-aminothioxomethyl.md", "generated": true, "harvested": "2026-08-05", "id": "acetamide-n-aminothioxomethyl", "rcra_waste_number": "P002", "regulatory_categories": "4", "source_quote": "Acetamide, N-(aminothioxomethyl)- | 591-08-2 | 4 | P002 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetamide, N-(aminothioxomethyl)-", "title": "Acetamide, N-(aminothioxomethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetamide\n\n**CAS No.:** 60-35-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Acetamide | 60-35-5 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-35-5", "cercla_rq_lbs": "100", "file": "acetamide.md", "generated": true, "harvested": "2026-08-05", "id": "acetamide", "regulatory_categories": "3", "source_quote": "Acetamide | 60-35-5 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetamide", "title": "Acetamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, (2,4,5-trichlorophenoxy)-\n\n**CAS No.:** 93-76-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> Acetic acid, (2,4,5-trichlorophenoxy)- | 93-76-5 | 1,4 | See F027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-76-5", "cercla_rq_lbs": "1000", "file": "acetic-acid-2-4-5-trichlorophenoxy.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-2-4-5-trichlorophenoxy", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "Acetic acid, (2,4,5-trichlorophenoxy)- | 93-76-5 | 1,4 | See F027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, (2,4,5-trichlorophenoxy)-", "title": "Acetic acid, (2,4,5-trichlorophenoxy)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, (2,4-dichlorophenoxy)-, salts & esters\n\n**CAS No.:** 94-75-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U240\n\n**Regulatory categories:** 1,3,4\n\n> Acetic acid, (2,4-dichlorophenoxy)-, salts & esters | 94-75-7 | 1,3,4 | U240 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-75-7", "cercla_rq_lbs": "100", "file": "acetic-acid-2-4-dichlorophenoxy-salts-esters.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-2-4-dichlorophenoxy-salts-esters", "rcra_waste_number": "U240", "regulatory_categories": "1,3,4", "source_quote": "Acetic acid, (2,4-dichlorophenoxy)-, salts & esters | 94-75-7 | 1,3,4 | U240 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, (2,4-dichlorophenoxy)-, salts & esters", "title": "Acetic acid, (2,4-dichlorophenoxy)-, salts & esters \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, ethyl ester\n\n**CAS No.:** 141-78-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U112\n\n**Regulatory categories:** 4\n\n> Acetic acid, ethyl ester | 141-78-6 | 4 | U112 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "141-78-6", "cercla_rq_lbs": "5000", "file": "acetic-acid-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-ethyl-ester", "rcra_waste_number": "U112", "regulatory_categories": "4", "source_quote": "Acetic acid, ethyl ester | 141-78-6 | 4 | U112 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, ethyl ester", "title": "Acetic acid, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, fluoro-, sodium salt\n\n**CAS No.:** 62-74-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P058\n\n**Regulatory categories:** 4\n\n> Acetic acid, fluoro-, sodium salt | 62-74-8 | 4 | P058 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-74-8", "cercla_rq_lbs": "10", "file": "acetic-acid-fluoro-sodium-salt.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-fluoro-sodium-salt", "rcra_waste_number": "P058", "regulatory_categories": "4", "source_quote": "Acetic acid, fluoro-, sodium salt | 62-74-8 | 4 | P058 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, fluoro-, sodium salt", "title": "Acetic acid, fluoro-, sodium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, lead(2 +) salt\n\n**CAS No.:** 301-04-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U144\n\n**Regulatory categories:** 1,4\n\n> Acetic acid, lead(2 +) salt | 301-04-2 | 1,4 | U144 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "301-04-2", "cercla_rq_lbs": "10", "file": "acetic-acid-lead-2-salt.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-lead-2-salt", "rcra_waste_number": "U144", "regulatory_categories": "1,4", "source_quote": "Acetic acid, lead(2 +) salt | 301-04-2 | 1,4 | U144 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, lead(2 +) salt", "title": "Acetic acid, lead(2 +) salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid, thallium(1 +) salt\n\n**CAS No.:** 563-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U214\n\n**Regulatory categories:** 4\n\n> Acetic acid, thallium(1 +) salt | 563-68-8 | 4 | U214 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "563-68-8", "cercla_rq_lbs": "100", "file": "acetic-acid-thallium-1-salt.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid-thallium-1-salt", "rcra_waste_number": "U214", "regulatory_categories": "4", "source_quote": "Acetic acid, thallium(1 +) salt | 563-68-8 | 4 | U214 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid, thallium(1 +) salt", "title": "Acetic acid, thallium(1 +) salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic acid\n\n**CAS No.:** 64-19-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Acetic acid | 64-19-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-19-7", "cercla_rq_lbs": "5000", "file": "acetic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-acid", "regulatory_categories": "1", "source_quote": "Acetic acid | 64-19-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic acid", "title": "Acetic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetic anhydride\n\n**CAS No.:** 108-24-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Acetic anhydride | 108-24-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-24-7", "cercla_rq_lbs": "5000", "file": "acetic-anhydride.md", "generated": true, "harvested": "2026-08-05", "id": "acetic-anhydride", "regulatory_categories": "1", "source_quote": "Acetic anhydride | 108-24-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetic anhydride", "title": "Acetic anhydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetone Cyanohydrin\n\n**CAS No.:** 75-86-5\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 75-86-5 | Acetone Cyanohydrin | | 10 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-86-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "acetone-cyanohydrin-2.md", "generated": true, "harvested": "2026-08-05", "id": "acetone-cyanohydrin-2", "source_quote": "75-86-5 | Acetone Cyanohydrin | | 10 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acetone Cyanohydrin", "title": "Acetone Cyanohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetone cyanohydrin\n\n**CAS No.:** 75-86-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P069\n\n**Regulatory categories:** 1,4\n\n> Acetone cyanohydrin | 75-86-5 | 1,4 | P069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-86-5", "cercla_rq_lbs": "10", "file": "acetone-cyanohydrin.md", "generated": true, "harvested": "2026-08-05", "id": "acetone-cyanohydrin", "rcra_waste_number": "P069", "regulatory_categories": "1,4", "source_quote": "Acetone cyanohydrin | 75-86-5 | 1,4 | P069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetone cyanohydrin", "title": "Acetone cyanohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetone Thiosemicarbazide\n\n**CAS No.:** 1752-30-3\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1,000 | 1752-30-3 | Acetone Thiosemicarbazide | | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1752-30-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "acetone-thiosemicarbazide.md", "generated": true, "harvested": "2026-08-05", "id": "acetone-thiosemicarbazide", "source_quote": "1,000 | 1752-30-3 | Acetone Thiosemicarbazide | | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acetone Thiosemicarbazide", "title": "Acetone Thiosemicarbazide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetone\n\n**CAS No.:** 67-64-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U002\n\n**Regulatory categories:** 4\n\n> Acetone | 67-64-1 | 4 | U002 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-64-1", "cercla_rq_lbs": "5000", "file": "acetone.md", "generated": true, "harvested": "2026-08-05", "id": "acetone", "rcra_waste_number": "U002", "regulatory_categories": "4", "source_quote": "Acetone | 67-64-1 | 4 | U002 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetone", "title": "Acetone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetonitrile\n\n**CAS No.:** 75-05-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U003\n\n**Regulatory categories:** 3,4\n\n> Acetonitrile | 75-05-8 | 3,4 | U003 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-05-8", "cercla_rq_lbs": "5000", "file": "acetonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "acetonitrile", "rcra_waste_number": "U003", "regulatory_categories": "3,4", "source_quote": "Acetonitrile | 75-05-8 | 3,4 | U003 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetonitrile", "title": "Acetonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetophenone\n\n**CAS No.:** 98-86-2\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U004\n\n**Regulatory categories:** 3,4\n\n> Acetophenone | 98-86-2 | 3,4 | U004 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-86-2", "cercla_rq_lbs": "5000", "file": "acetophenone.md", "generated": true, "harvested": "2026-08-05", "id": "acetophenone", "rcra_waste_number": "U004", "regulatory_categories": "3,4", "source_quote": "Acetophenone | 98-86-2 | 3,4 | U004 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetophenone", "title": "Acetophenone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetyl bromide\n\n**CAS No.:** 506-96-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Acetyl bromide | 506-96-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-96-7", "cercla_rq_lbs": "5000", "file": "acetyl-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "acetyl-bromide", "regulatory_categories": "1", "source_quote": "Acetyl bromide | 506-96-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetyl bromide", "title": "Acetyl bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acetyl chloride\n\n**CAS No.:** 75-36-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U006\n\n**Regulatory categories:** 1,4\n\n> Acetyl chloride | 75-36-5 | 1,4 | U006 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-36-5", "cercla_rq_lbs": "5000", "file": "acetyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "acetyl-chloride", "rcra_waste_number": "U006", "regulatory_categories": "1,4", "source_quote": "Acetyl chloride | 75-36-5 | 1,4 | U006 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acetyl chloride", "title": "Acetyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrolein\n\n**CAS No.:** 107-02-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 107-02-8 | Acrolein | | 1 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-02-8", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "acrolein-2.md", "generated": true, "harvested": "2026-08-05", "id": "acrolein-2", "source_quote": "107-02-8 | Acrolein | | 1 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acrolein", "title": "Acrolein \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrolein\n\n**CAS No.:** 107-02-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P003\n\n**Regulatory categories:** 1,2,3,4\n\n> Acrolein | 107-02-8 | 1,2,3,4 | P003 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-02-8", "cercla_rq_lbs": "1", "file": "acrolein.md", "generated": true, "harvested": "2026-08-05", "id": "acrolein", "rcra_waste_number": "P003", "regulatory_categories": "1,2,3,4", "source_quote": "Acrolein | 107-02-8 | 1,2,3,4 | P003 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acrolein", "title": "Acrolein \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylamide\n\n**CAS No.:** 79-06-1\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 5,000\n\n> 79-06-1 | Acrylamide | f | 5,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "79-06-1", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "1,000/10,000", "file": "acrylamide-2.md", "generated": true, "harvested": "2026-08-05", "id": "acrylamide-2", "source_quote": "79-06-1 | Acrylamide | f | 5,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acrylamide", "title": "Acrylamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylamide\n\n**CAS No.:** 79-06-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U007\n\n**Regulatory categories:** 3,4\n\n> Acrylamide | 79-06-1 | 3,4 | U007 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-06-1", "cercla_rq_lbs": "5000", "file": "acrylamide.md", "generated": true, "harvested": "2026-08-05", "id": "acrylamide", "rcra_waste_number": "U007", "regulatory_categories": "3,4", "source_quote": "Acrylamide | 79-06-1 | 3,4 | U007 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acrylamide", "title": "Acrylamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylic acid\n\n**CAS No.:** 79-10-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U008\n\n**Regulatory categories:** 3,4\n\n> Acrylic acid | 79-10-7 | 3,4 | U008 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-10-7", "cercla_rq_lbs": "5000", "file": "acrylic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "acrylic-acid", "rcra_waste_number": "U008", "regulatory_categories": "3,4", "source_quote": "Acrylic acid | 79-10-7 | 3,4 | U008 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acrylic acid", "title": "Acrylic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylonitrile\n\n**CAS No.:** 107-13-1\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 1,000/10,000 | 107-13-1 | Acrylonitrile | f | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-13-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "10,000", "file": "acrylonitrile-2.md", "generated": true, "harvested": "2026-08-05", "id": "acrylonitrile-2", "source_quote": "1,000/10,000 | 107-13-1 | Acrylonitrile | f | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acrylonitrile", "title": "Acrylonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylonitrile\n\n**CAS No.:** 107-13-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U009\n\n**Regulatory categories:** 1,2,3,4\n\n> Acrylonitrile | 107-13-1 | 1,2,3,4 | U009 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-13-1", "cercla_rq_lbs": "100", "file": "acrylonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "acrylonitrile", "rcra_waste_number": "U009", "regulatory_categories": "1,2,3,4", "source_quote": "Acrylonitrile | 107-13-1 | 1,2,3,4 | U009 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Acrylonitrile", "title": "Acrylonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Acrylyl Chloride\n\n**CAS No.:** 814-68-6\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 814-68-6 | Acrylyl Chloride | d | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "814-68-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "acrylyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "acrylyl-chloride", "source_quote": "814-68-6 | Acrylyl Chloride | d | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Acrylyl Chloride", "title": "Acrylyl Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Adipic acid\n\n**CAS No.:** 124-04-9\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Adipic acid | 124-04-9 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "124-04-9", "cercla_rq_lbs": "5000", "file": "adipic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "adipic-acid", "regulatory_categories": "1", "source_quote": "Adipic acid | 124-04-9 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Adipic acid", "title": "Adipic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Adiponitrile\n\n**CAS No.:** 111-69-3\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 111-69-3 | Adiponitrile | f | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "111-69-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "adiponitrile.md", "generated": true, "harvested": "2026-08-05", "id": "adiponitrile", "source_quote": "111-69-3 | Adiponitrile | f | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Adiponitrile", "title": "Adiponitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aldicarb\n\n**CAS No.:** 116-06-3\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 116-06-3 | Aldicarb | b | 1 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "116-06-3", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "100/10,000", "file": "aldicarb-2.md", "generated": true, "harvested": "2026-08-05", "id": "aldicarb-2", "source_quote": "116-06-3 | Aldicarb | b | 1 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aldicarb", "title": "Aldicarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aldicarb sulfone\n\n**CAS No.:** 1646-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P203\n\n**Regulatory categories:** 4\n\n> Aldicarb sulfone | 1646-88-4 | 4 | P203 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1646-88-4", "cercla_rq_lbs": "100", "file": "aldicarb-sulfone.md", "generated": true, "harvested": "2026-08-05", "id": "aldicarb-sulfone", "rcra_waste_number": "P203", "regulatory_categories": "4", "source_quote": "Aldicarb sulfone | 1646-88-4 | 4 | P203 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aldicarb sulfone", "title": "Aldicarb sulfone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aldicarb\n\n**CAS No.:** 116-06-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P070\n\n**Regulatory categories:** 4\n\n> Aldicarb | 116-06-3 | 4 | P070 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "116-06-3", "cercla_rq_lbs": "1", "file": "aldicarb.md", "generated": true, "harvested": "2026-08-05", "id": "aldicarb", "rcra_waste_number": "P070", "regulatory_categories": "4", "source_quote": "Aldicarb | 116-06-3 | 4 | P070 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aldicarb", "title": "Aldicarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aldrin\n\n**CAS No.:** 309-00-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 309-00-2 | Aldrin | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "309-00-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "aldrin-2.md", "generated": true, "harvested": "2026-08-05", "id": "aldrin-2", "source_quote": "309-00-2 | Aldrin | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aldrin", "title": "Aldrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aldrin\n\n**CAS No.:** 309-00-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P004\n\n**Regulatory categories:** 1,2,4\n\n> Aldrin | 309-00-2 | 1,2,4 | P004 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "309-00-2", "cercla_rq_lbs": "1", "file": "aldrin.md", "generated": true, "harvested": "2026-08-05", "id": "aldrin", "rcra_waste_number": "P004", "regulatory_categories": "1,2,4", "source_quote": "Aldrin | 309-00-2 | 1,2,4 | P004 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aldrin", "title": "Aldrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Allyl Alcohol\n\n**CAS No.:** 107-18-6\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 100\n\n> 107-18-6 | Allyl Alcohol | | 100 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-18-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "1,000", "file": "allyl-alcohol-2.md", "generated": true, "harvested": "2026-08-05", "id": "allyl-alcohol-2", "source_quote": "107-18-6 | Allyl Alcohol | | 100 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Allyl Alcohol", "title": "Allyl Alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Allyl alcohol\n\n**CAS No.:** 107-18-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P005\n\n**Regulatory categories:** 1,4\n\n> Allyl alcohol | 107-18-6 | 1,4 | P005 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-18-6", "cercla_rq_lbs": "100", "file": "allyl-alcohol.md", "generated": true, "harvested": "2026-08-05", "id": "allyl-alcohol", "rcra_waste_number": "P005", "regulatory_categories": "1,4", "source_quote": "Allyl alcohol | 107-18-6 | 1,4 | P005 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Allyl alcohol", "title": "Allyl alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Allyl chloride\n\n**CAS No.:** 107-05-1\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,3\n\n> Allyl chloride | 107-05-1 | 1,3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-05-1", "cercla_rq_lbs": "1000", "file": "allyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "allyl-chloride", "regulatory_categories": "1,3", "source_quote": "Allyl chloride | 107-05-1 | 1,3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Allyl chloride", "title": "Allyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Allylamine\n\n**CAS No.:** 107-11-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 107-11-9 | Allylamine | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-11-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "allylamine.md", "generated": true, "harvested": "2026-08-05", "id": "allylamine", "source_quote": "107-11-9 | Allylamine | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Allylamine", "title": "Allylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha,alpha-Dimethylbenzylhydroperoxide\n\n**CAS No.:** 80-15-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U096\n\n**Regulatory categories:** 4\n\n> alpha,alpha-Dimethylbenzylhydroperoxide | 80-15-9 | 4 | U096 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "80-15-9", "cercla_rq_lbs": "10", "file": "alpha-alpha-dimethylbenzylhydroperoxide.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-alpha-dimethylbenzylhydroperoxide", "rcra_waste_number": "U096", "regulatory_categories": "4", "source_quote": "alpha,alpha-Dimethylbenzylhydroperoxide | 80-15-9 | 4 | U096 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha,alpha-Dimethylbenzylhydroperoxide", "title": "alpha,alpha-Dimethylbenzylhydroperoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha,alpha-Dimethylphenethylamine\n\n**CAS No.:** 122-09-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** P046\n\n**Regulatory categories:** 4\n\n> alpha,alpha-Dimethylphenethylamine | 122-09-8 | 4 | P046 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-09-8", "cercla_rq_lbs": "5000", "file": "alpha-alpha-dimethylphenethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-alpha-dimethylphenethylamine", "rcra_waste_number": "P046", "regulatory_categories": "4", "source_quote": "alpha,alpha-Dimethylphenethylamine | 122-09-8 | 4 | P046 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha,alpha-Dimethylphenethylamine", "title": "alpha,alpha-Dimethylphenethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha-BHC\n\n**CAS No.:** 319-84-6\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 2\n\n> alpha-BHC | 319-84-6 | 2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "319-84-6", "cercla_rq_lbs": "10", "file": "alpha-bhc.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-bhc", "regulatory_categories": "2", "source_quote": "alpha-BHC | 319-84-6 | 2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha-BHC", "title": "alpha-BHC \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha-Endosulfan\n\n**CAS No.:** 959-98-8\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> alpha-Endosulfan | 959-98-8 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "959-98-8", "cercla_rq_lbs": "1", "file": "alpha-endosulfan.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-endosulfan", "regulatory_categories": "2", "source_quote": "alpha-Endosulfan | 959-98-8 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha-Endosulfan", "title": "alpha-Endosulfan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha-Naphthylamine\n\n**CAS No.:** 134-32-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U167\n\n**Regulatory categories:** 4\n\n> alpha-Naphthylamine | 134-32-7 | 4 | U167 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "134-32-7", "cercla_rq_lbs": "100", "file": "alpha-naphthylamine.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-naphthylamine", "rcra_waste_number": "U167", "regulatory_categories": "4", "source_quote": "alpha-Naphthylamine | 134-32-7 | 4 | U167 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha-Naphthylamine", "title": "alpha-Naphthylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** alpha-Naphthylthiourea\n\n**CAS No.:** 86-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P072\n\n**Regulatory categories:** 4\n\n> alpha-Naphthylthiourea | 86-88-4 | 4 | P072 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "86-88-4", "cercla_rq_lbs": "100", "file": "alpha-naphthylthiourea.md", "generated": true, "harvested": "2026-08-05", "id": "alpha-naphthylthiourea", "rcra_waste_number": "P072", "regulatory_categories": "4", "source_quote": "alpha-Naphthylthiourea | 86-88-4 | 4 | P072 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "alpha-Naphthylthiourea", "title": "alpha-Naphthylthiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aluminum Phosphide\n\n**CAS No.:** 20859-73-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 20859-73-8 | Aluminum Phosphide | a | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "20859-73-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "aluminum-phosphide-2.md", "generated": true, "harvested": "2026-08-05", "id": "aluminum-phosphide-2", "source_quote": "500 | 20859-73-8 | Aluminum Phosphide | a | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aluminum Phosphide", "title": "Aluminum Phosphide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aluminum phosphide\n\n**CAS No.:** 20859-73-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P006\n\n**Regulatory categories:** 4\n\n> Aluminum phosphide | 20859-73-8 | 4 | P006 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "20859-73-8", "cercla_rq_lbs": "100", "file": "aluminum-phosphide.md", "generated": true, "harvested": "2026-08-05", "id": "aluminum-phosphide", "rcra_waste_number": "P006", "regulatory_categories": "4", "source_quote": "Aluminum phosphide | 20859-73-8 | 4 | P006 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aluminum phosphide", "title": "Aluminum phosphide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aluminum sulfate\n\n**CAS No.:** 10043-01-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Aluminum sulfate | 10043-01-3 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10043-01-3", "cercla_rq_lbs": "5000", "file": "aluminum-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "aluminum-sulfate", "regulatory_categories": "1", "source_quote": "Aluminum sulfate | 10043-01-3 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aluminum sulfate", "title": "Aluminum sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aminopterin\n\n**CAS No.:** 54-62-6\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 54-62-6 | Aminopterin | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "54-62-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "aminopterin.md", "generated": true, "harvested": "2026-08-05", "id": "aminopterin", "source_quote": "500 | 54-62-6 | Aminopterin | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aminopterin", "title": "Aminopterin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Amiton Oxalate\n\n**CAS No.:** 3734-97-2\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 3734-97-2 | Amiton Oxalate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3734-97-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "amiton-oxalate.md", "generated": true, "harvested": "2026-08-05", "id": "amiton-oxalate", "source_quote": "3734-97-2 | Amiton Oxalate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Amiton Oxalate", "title": "Amiton Oxalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Amiton\n\n**CAS No.:** 78-53-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 78-53-5 | Amiton | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-53-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "amiton.md", "generated": true, "harvested": "2026-08-05", "id": "amiton", "source_quote": "78-53-5 | Amiton | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Amiton", "title": "Amiton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Amitrole\n\n**CAS No.:** 61-82-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U011\n\n**Regulatory categories:** 4\n\n> Amitrole | 61-82-5 | 4 | U011 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "61-82-5", "cercla_rq_lbs": "10", "file": "amitrole.md", "generated": true, "harvested": "2026-08-05", "id": "amitrole", "rcra_waste_number": "U011", "regulatory_categories": "4", "source_quote": "Amitrole | 61-82-5 | 4 | U011 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Amitrole", "title": "Amitrole \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonia\n\n**CAS No.:** 7664-41-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 7664-41-7 | Ammonia | f | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7664-41-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "ammonia-2.md", "generated": true, "harvested": "2026-08-05", "id": "ammonia-2", "source_quote": "7664-41-7 | Ammonia | f | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ammonia", "title": "Ammonia \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonia\n\n**CAS No.:** 7664-41-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ammonia | 7664-41-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7664-41-7", "cercla_rq_lbs": "100", "file": "ammonia.md", "generated": true, "harvested": "2026-08-05", "id": "ammonia", "regulatory_categories": "1", "source_quote": "Ammonia | 7664-41-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonia", "title": "Ammonia \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium acetate\n\n**CAS No.:** 631-61-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium acetate | 631-61-8 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "631-61-8", "cercla_rq_lbs": "5000", "file": "ammonium-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-acetate", "regulatory_categories": "1", "source_quote": "Ammonium acetate | 631-61-8 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium acetate", "title": "Ammonium acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium benzoate\n\n**CAS No.:** 1863-63-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium benzoate | 1863-63-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1863-63-4", "cercla_rq_lbs": "5000", "file": "ammonium-benzoate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-benzoate", "regulatory_categories": "1", "source_quote": "Ammonium benzoate | 1863-63-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium benzoate", "title": "Ammonium benzoate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium bicarbonate\n\n**CAS No.:** 1066-33-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium bicarbonate | 1066-33-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1066-33-7", "cercla_rq_lbs": "5000", "file": "ammonium-bicarbonate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-bicarbonate", "regulatory_categories": "1", "source_quote": "Ammonium bicarbonate | 1066-33-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium bicarbonate", "title": "Ammonium bicarbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium bichromate\n\n**CAS No.:** 7789-09-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Ammonium bichromate | 7789-09-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-09-5", "cercla_rq_lbs": "10", "file": "ammonium-bichromate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-bichromate", "regulatory_categories": "1", "source_quote": "Ammonium bichromate | 7789-09-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium bichromate", "title": "Ammonium bichromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium bifluoride\n\n**CAS No.:** 1341-49-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ammonium bifluoride | 1341-49-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1341-49-7", "cercla_rq_lbs": "100", "file": "ammonium-bifluoride.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-bifluoride", "regulatory_categories": "1", "source_quote": "Ammonium bifluoride | 1341-49-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium bifluoride", "title": "Ammonium bifluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium bisulfilte\n\n**CAS No.:** 10192-30-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium bisulfilte | 10192-30-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10192-30-0", "cercla_rq_lbs": "5000", "file": "ammonium-bisulfilte.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-bisulfilte", "regulatory_categories": "1", "source_quote": "Ammonium bisulfilte | 10192-30-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium bisulfilte", "title": "Ammonium bisulfilte \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium carbamate\n\n**CAS No.:** 1111-78-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium carbamate | 1111-78-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1111-78-0", "cercla_rq_lbs": "5000", "file": "ammonium-carbamate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-carbamate", "regulatory_categories": "1", "source_quote": "Ammonium carbamate | 1111-78-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium carbamate", "title": "Ammonium carbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium carbonate\n\n**CAS No.:** 506-87-6\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium carbonate | 506-87-6 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-87-6", "cercla_rq_lbs": "5000", "file": "ammonium-carbonate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-carbonate", "regulatory_categories": "1", "source_quote": "Ammonium carbonate | 506-87-6 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium carbonate", "title": "Ammonium carbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium chloride\n\n**CAS No.:** 12125-02-9\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium chloride | 12125-02-9 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12125-02-9", "cercla_rq_lbs": "5000", "file": "ammonium-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-chloride", "regulatory_categories": "1", "source_quote": "Ammonium chloride | 12125-02-9 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium chloride", "title": "Ammonium chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium chromate\n\n**CAS No.:** 7788-98-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Ammonium chromate | 7788-98-9 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7788-98-9", "cercla_rq_lbs": "10", "file": "ammonium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-chromate", "regulatory_categories": "1", "source_quote": "Ammonium chromate | 7788-98-9 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium chromate", "title": "Ammonium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium citrate, dibasic\n\n**CAS No.:** 3012-65-5\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium citrate, dibasic | 3012-65-5 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3012-65-5", "cercla_rq_lbs": "5000", "file": "ammonium-citrate-dibasic.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-citrate-dibasic", "regulatory_categories": "1", "source_quote": "Ammonium citrate, dibasic | 3012-65-5 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium citrate, dibasic", "title": "Ammonium citrate, dibasic \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium fluoborate\n\n**CAS No.:** 13826-83-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium fluoborate | 13826-83-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13826-83-0", "cercla_rq_lbs": "5000", "file": "ammonium-fluoborate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-fluoborate", "regulatory_categories": "1", "source_quote": "Ammonium fluoborate | 13826-83-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium fluoborate", "title": "Ammonium fluoborate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium fluoride\n\n**CAS No.:** 12125-01-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ammonium fluoride | 12125-01-8 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12125-01-8", "cercla_rq_lbs": "100", "file": "ammonium-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-fluoride", "regulatory_categories": "1", "source_quote": "Ammonium fluoride | 12125-01-8 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium fluoride", "title": "Ammonium fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium hydroxide\n\n**CAS No.:** 1336-21-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ammonium hydroxide | 1336-21-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1336-21-6", "cercla_rq_lbs": "1000", "file": "ammonium-hydroxide.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-hydroxide", "regulatory_categories": "1", "source_quote": "Ammonium hydroxide | 1336-21-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium hydroxide", "title": "Ammonium hydroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium picrate\n\n**CAS No.:** 131-74-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P009\n\n**Regulatory categories:** 4\n\n> Ammonium picrate | 131-74-8 | 4 | P009 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-74-8", "cercla_rq_lbs": "10", "file": "ammonium-picrate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-picrate", "rcra_waste_number": "P009", "regulatory_categories": "4", "source_quote": "Ammonium picrate | 131-74-8 | 4 | P009 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium picrate", "title": "Ammonium picrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium silicofluoride\n\n**CAS No.:** 16919-19-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ammonium silicofluoride | 16919-19-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16919-19-0", "cercla_rq_lbs": "1000", "file": "ammonium-silicofluoride.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-silicofluoride", "regulatory_categories": "1", "source_quote": "Ammonium silicofluoride | 16919-19-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium silicofluoride", "title": "Ammonium silicofluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium sulfamate\n\n**CAS No.:** 7773-06-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium sulfamate | 7773-06-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7773-06-0", "cercla_rq_lbs": "5000", "file": "ammonium-sulfamate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-sulfamate", "regulatory_categories": "1", "source_quote": "Ammonium sulfamate | 7773-06-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium sulfamate", "title": "Ammonium sulfamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium sulfide\n\n**CAS No.:** 12135-76-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ammonium sulfide | 12135-76-1 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12135-76-1", "cercla_rq_lbs": "100", "file": "ammonium-sulfide.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-sulfide", "regulatory_categories": "1", "source_quote": "Ammonium sulfide | 12135-76-1 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium sulfide", "title": "Ammonium sulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium sulfite\n\n**CAS No.:** 10196-04-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium sulfite | 10196-04-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10196-04-0", "cercla_rq_lbs": "5000", "file": "ammonium-sulfite.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-sulfite", "regulatory_categories": "1", "source_quote": "Ammonium sulfite | 10196-04-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium sulfite", "title": "Ammonium sulfite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium thiocyanate\n\n**CAS No.:** 1762-95-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ammonium thiocyanate | 1762-95-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1762-95-4", "cercla_rq_lbs": "5000", "file": "ammonium-thiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-thiocyanate", "regulatory_categories": "1", "source_quote": "Ammonium thiocyanate | 1762-95-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium thiocyanate", "title": "Ammonium thiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ammonium vanadate\n\n**CAS No.:** 7803-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P119\n\n**Regulatory categories:** 4\n\n> Ammonium vanadate | 7803-55-6 | 4 | P119 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7803-55-6", "cercla_rq_lbs": "1000", "file": "ammonium-vanadate.md", "generated": true, "harvested": "2026-08-05", "id": "ammonium-vanadate", "rcra_waste_number": "P119", "regulatory_categories": "4", "source_quote": "Ammonium vanadate | 7803-55-6 | 4 | P119 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ammonium vanadate", "title": "Ammonium vanadate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Amphetamine\n\n**CAS No.:** 300-62-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 300-62-9 | Amphetamine | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "300-62-9", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "amphetamine.md", "generated": true, "harvested": "2026-08-05", "id": "amphetamine", "source_quote": "300-62-9 | Amphetamine | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Amphetamine", "title": "Amphetamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Amyl acetate\n\n**CAS No.:** 628-63-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Amyl acetate | 628-63-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "628-63-7", "cercla_rq_lbs": "5000", "file": "amyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "amyl-acetate", "regulatory_categories": "1", "source_quote": "Amyl acetate | 628-63-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Amyl acetate", "title": "Amyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aniline, 2,4,6-Trimethyl-\n\n**CAS No.:** 88-05-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 88-05-1 | Aniline, 2,4,6-Trimethyl- | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "88-05-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "aniline-2-4-6-trimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "aniline-2-4-6-trimethyl", "source_quote": "88-05-1 | Aniline, 2,4,6-Trimethyl- | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aniline, 2,4,6-Trimethyl-", "title": "Aniline, 2,4,6-Trimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aniline\n\n**CAS No.:** 62-53-3\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 5,000\n\n> 1,000 | 62-53-3 | Aniline | f | 5,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62-53-3", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "1,000", "file": "aniline-2.md", "generated": true, "harvested": "2026-08-05", "id": "aniline-2", "source_quote": "1,000 | 62-53-3 | Aniline | f | 5,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Aniline", "title": "Aniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aniline\n\n**CAS No.:** 62-53-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U012\n\n**Regulatory categories:** 1,3,4\n\n> Aniline | 62-53-3 | 1,3,4 | U012 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-53-3", "cercla_rq_lbs": "5000", "file": "aniline.md", "generated": true, "harvested": "2026-08-05", "id": "aniline", "rcra_waste_number": "U012", "regulatory_categories": "1,3,4", "source_quote": "Aniline | 62-53-3 | 1,3,4 | U012 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aniline", "title": "Aniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Anthracene\n\n**CAS No.:** 120-12-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Anthracene | 120-12-7 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-12-7", "cercla_rq_lbs": "5000", "file": "anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "anthracene", "regulatory_categories": "2", "source_quote": "Anthracene | 120-12-7 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Anthracene", "title": "Anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony III\n\n**CAS No.:** 7440-36-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Antimony III | 7440-36-0 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-36-0", "cercla_rq_lbs": "5000", "file": "antimony-iii.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-iii", "regulatory_categories": "2", "source_quote": "Antimony III | 7440-36-0 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony III", "title": "Antimony III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony pentachloride\n\n**CAS No.:** 7647-18-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Antimony pentachloride | 7647-18-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7647-18-9", "cercla_rq_lbs": "1000", "file": "antimony-pentachloride.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-pentachloride", "regulatory_categories": "1", "source_quote": "Antimony pentachloride | 7647-18-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony pentachloride", "title": "Antimony pentachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony Pentafluoride\n\n**CAS No.:** 7783-70-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 7783-70-2 | Antimony Pentafluoride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-70-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "antimony-pentafluoride.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-pentafluoride", "source_quote": "500 | 7783-70-2 | Antimony Pentafluoride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Antimony Pentafluoride", "title": "Antimony Pentafluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony potassium tartrate\n\n**CAS No.:** 28300-74-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Antimony potassium tartrate | 28300-74-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "28300-74-5", "cercla_rq_lbs": "100", "file": "antimony-potassium-tartrate.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-potassium-tartrate", "regulatory_categories": "1", "source_quote": "Antimony potassium tartrate | 28300-74-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony potassium tartrate", "title": "Antimony potassium tartrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony tribromide\n\n**CAS No.:** 7789-61-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Antimony tribromide | 7789-61-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-61-9", "cercla_rq_lbs": "1000", "file": "antimony-tribromide.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-tribromide", "regulatory_categories": "1", "source_quote": "Antimony tribromide | 7789-61-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony tribromide", "title": "Antimony tribromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony trichloride\n\n**CAS No.:** 10025-91-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Antimony trichloride | 10025-91-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10025-91-9", "cercla_rq_lbs": "1000", "file": "antimony-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-trichloride", "regulatory_categories": "1", "source_quote": "Antimony trichloride | 10025-91-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony trichloride", "title": "Antimony trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony trifluoride\n\n**CAS No.:** 7783-56-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Antimony trifluoride | 7783-56-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-56-4", "cercla_rq_lbs": "1000", "file": "antimony-trifluoride.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-trifluoride", "regulatory_categories": "1", "source_quote": "Antimony trifluoride | 7783-56-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony trifluoride", "title": "Antimony trifluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimony trioxide\n\n**CAS No.:** 1309-64-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Antimony trioxide | 1309-64-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1309-64-4", "cercla_rq_lbs": "1000", "file": "antimony-trioxide.md", "generated": true, "harvested": "2026-08-05", "id": "antimony-trioxide", "regulatory_categories": "1", "source_quote": "Antimony trioxide | 1309-64-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Antimony trioxide", "title": "Antimony trioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Antimycin A\n\n**CAS No.:** 1397-94-0\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1397-94-0 | Antimycin A | b | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1397-94-0", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "antimycin-a.md", "generated": true, "harvested": "2026-08-05", "id": "antimycin-a", "source_quote": "1397-94-0 | Antimycin A | b | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Antimycin A", "title": "Antimycin A \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** ANTU\n\n**CAS No.:** 86-88-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 86-88-4 | ANTU | | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "86-88-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "antu.md", "generated": true, "harvested": "2026-08-05", "id": "antu", "source_quote": "86-88-4 | ANTU | | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "ANTU", "title": "ANTU \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Argentate(1-), bis(cyano-C)-, potassium\n\n**CAS No.:** 506-61-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P099\n\n**Regulatory categories:** 4\n\n> Argentate(1-), bis(cyano-C)-, potassium | 506-61-6 | 4 | P099 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-61-6", "cercla_rq_lbs": "1", "file": "argentate-1-bis-cyano-c-potassium.md", "generated": true, "harvested": "2026-08-05", "id": "argentate-1-bis-cyano-c-potassium", "rcra_waste_number": "P099", "regulatory_categories": "4", "source_quote": "Argentate(1-), bis(cyano-C)-, potassium | 506-61-6 | 4 | P099 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Argentate(1-), bis(cyano-C)-, potassium", "title": "Argentate(1-), bis(cyano-C)-, potassium \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1016\n\n**CAS No.:** 12674-11-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1016 | 12674-11-2 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12674-11-2", "cercla_rq_lbs": "1", "file": "aroclor-1016.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1016", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1016 | 12674-11-2 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1016", "title": "Aroclor 1016 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1221\n\n**CAS No.:** 11104-28-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1221 | 11104-28-2 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "11104-28-2", "cercla_rq_lbs": "1", "file": "aroclor-1221.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1221", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1221 | 11104-28-2 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1221", "title": "Aroclor 1221 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1232\n\n**CAS No.:** 11141-16-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1232 | 11141-16-5 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "11141-16-5", "cercla_rq_lbs": "1", "file": "aroclor-1232.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1232", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1232 | 11141-16-5 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1232", "title": "Aroclor 1232 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1242\n\n**CAS No.:** 53469-21-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1242 | 53469-21-9 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53469-21-9", "cercla_rq_lbs": "1", "file": "aroclor-1242.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1242", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1242 | 53469-21-9 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1242", "title": "Aroclor 1242 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1248\n\n**CAS No.:** 12672-29-6\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1248 | 12672-29-6 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12672-29-6", "cercla_rq_lbs": "1", "file": "aroclor-1248.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1248", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1248 | 12672-29-6 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1248", "title": "Aroclor 1248 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1254\n\n**CAS No.:** 11097-69-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1254 | 11097-69-1 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "11097-69-1", "cercla_rq_lbs": "1", "file": "aroclor-1254.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1254", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1254 | 11097-69-1 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1254", "title": "Aroclor 1254 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclor 1260\n\n**CAS No.:** 11096-82-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclor 1260 | 11096-82-5 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "11096-82-5", "cercla_rq_lbs": "1", "file": "aroclor-1260.md", "generated": true, "harvested": "2026-08-05", "id": "aroclor-1260", "regulatory_categories": "1,2,3", "source_quote": "Aroclor 1260 | 11096-82-5 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclor 1260", "title": "Aroclor 1260 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aroclors\n\n**CAS No.:** 1336-36-3\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> Aroclors | 1336-36-3 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1336-36-3", "cercla_rq_lbs": "1", "file": "aroclors.md", "generated": true, "harvested": "2026-08-05", "id": "aroclors", "regulatory_categories": "1,2,3", "source_quote": "Aroclors | 1336-36-3 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aroclors", "title": "Aroclors \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic acid H3AsO4\n\n**CAS No.:** 7778-39-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P010\n\n**Regulatory categories:** 4\n\n> Arsenic acid H3AsO4 | 7778-39-4 | 4 | P010 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7778-39-4", "cercla_rq_lbs": "1", "file": "arsenic-acid-h3aso4.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-acid-h3aso4", "rcra_waste_number": "P010", "regulatory_categories": "4", "source_quote": "Arsenic acid H3AsO4 | 7778-39-4 | 4 | P010 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic acid H3AsO4", "title": "Arsenic acid H3AsO4 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic disulfide\n\n**CAS No.:** 12044-79-0\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Arsenic disulfide | 12044-79-0 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12044-79-0", "cercla_rq_lbs": "1", "file": "arsenic-disulfide.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-disulfide", "regulatory_categories": "1", "source_quote": "Arsenic disulfide | 12044-79-0 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic disulfide", "title": "Arsenic disulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic III\n\n**CAS No.:** 7440-38-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,3\n\n> Arsenic III | 7440-38-2 | 2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-38-2", "cercla_rq_lbs": "1", "file": "arsenic-iii.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-iii", "regulatory_categories": "2,3", "source_quote": "Arsenic III | 7440-38-2 | 2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic III", "title": "Arsenic III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic oxide As2O3\n\n**CAS No.:** 1327-53-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P012\n\n**Regulatory categories:** 1,4\n\n> Arsenic oxide As2O3 | 1327-53-3 | 1,4 | P012 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1327-53-3", "cercla_rq_lbs": "1", "file": "arsenic-oxide-as2o3.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-oxide-as2o3", "rcra_waste_number": "P012", "regulatory_categories": "1,4", "source_quote": "Arsenic oxide As2O3 | 1327-53-3 | 1,4 | P012 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic oxide As2O3", "title": "Arsenic oxide As2O3 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic oxide As2O5\n\n**CAS No.:** 1303-28-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P011\n\n**Regulatory categories:** 1,4\n\n> Arsenic oxide As2O5 | 1303-28-2 | 1,4 | P011 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1303-28-2", "cercla_rq_lbs": "1", "file": "arsenic-oxide-as2o5.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-oxide-as2o5", "rcra_waste_number": "P011", "regulatory_categories": "1,4", "source_quote": "Arsenic oxide As2O5 | 1303-28-2 | 1,4 | P011 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic oxide As2O5", "title": "Arsenic oxide As2O5 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic Pentoxide\n\n**CAS No.:** 1303-28-2\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 1303-28-2 | Arsenic Pentoxide | | 1 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1303-28-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "100/10,000", "file": "arsenic-pentoxide-2.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-pentoxide-2", "source_quote": "1303-28-2 | Arsenic Pentoxide | | 1 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Arsenic Pentoxide", "title": "Arsenic Pentoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic pentoxide\n\n**CAS No.:** 1303-28-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P011\n\n**Regulatory categories:** 1,4\n\n> Arsenic pentoxide | 1303-28-2 | 1,4 | P011 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1303-28-2", "cercla_rq_lbs": "1", "file": "arsenic-pentoxide.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-pentoxide", "rcra_waste_number": "P011", "regulatory_categories": "1,4", "source_quote": "Arsenic pentoxide | 1303-28-2 | 1,4 | P011 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic pentoxide", "title": "Arsenic pentoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic trichloride\n\n**CAS No.:** 7784-34-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Arsenic trichloride | 7784-34-1 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7784-34-1", "cercla_rq_lbs": "1", "file": "arsenic-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-trichloride", "regulatory_categories": "1", "source_quote": "Arsenic trichloride | 7784-34-1 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic trichloride", "title": "Arsenic trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic trioxide\n\n**CAS No.:** 1327-53-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P012\n\n**Regulatory categories:** 1,4\n\n> Arsenic trioxide | 1327-53-3 | 1,4 | P012 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1327-53-3", "cercla_rq_lbs": "1", "file": "arsenic-trioxide.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-trioxide", "rcra_waste_number": "P012", "regulatory_categories": "1,4", "source_quote": "Arsenic trioxide | 1327-53-3 | 1,4 | P012 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic trioxide", "title": "Arsenic trioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenic trisulfide\n\n**CAS No.:** 1303-33-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Arsenic trisulfide | 1303-33-9 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1303-33-9", "cercla_rq_lbs": "1", "file": "arsenic-trisulfide.md", "generated": true, "harvested": "2026-08-05", "id": "arsenic-trisulfide", "regulatory_categories": "1", "source_quote": "Arsenic trisulfide | 1303-33-9 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsenic trisulfide", "title": "Arsenic trisulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenous Oxide\n\n**CAS No.:** 1327-53-3\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 100/10,000 | 1327-53-3 | Arsenous Oxide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1327-53-3", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "100/10,000", "file": "arsenous-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "arsenous-oxide", "source_quote": "100/10,000 | 1327-53-3 | Arsenous Oxide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Arsenous Oxide", "title": "Arsenous Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "unverified_fields": "epcra_rq_lbs", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsenous Trichloride\n\n**CAS No.:** 7784-34-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 7784-34-1 | Arsenous Trichloride | | 1 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7784-34-1", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "arsenous-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "arsenous-trichloride", "source_quote": "7784-34-1 | Arsenous Trichloride | | 1 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Arsenous Trichloride", "title": "Arsenous Trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsine, diethyl-\n\n**CAS No.:** 692-42-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P038\n\n**Regulatory categories:** 4\n\n> Arsine, diethyl- | 692-42-2 | 4 | P038 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "692-42-2", "cercla_rq_lbs": "1", "file": "arsine-diethyl.md", "generated": true, "harvested": "2026-08-05", "id": "arsine-diethyl", "rcra_waste_number": "P038", "regulatory_categories": "4", "source_quote": "Arsine, diethyl- | 692-42-2 | 4 | P038 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsine, diethyl-", "title": "Arsine, diethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsine\n\n**CAS No.:** 7784-42-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 7784-42-1 | Arsine | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7784-42-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "arsine.md", "generated": true, "harvested": "2026-08-05", "id": "arsine", "source_quote": "7784-42-1 | Arsine | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Arsine", "title": "Arsine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsinic acid, dimethyl-\n\n**CAS No.:** 75-60-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U136\n\n**Regulatory categories:** 4\n\n> Arsinic acid, dimethyl- | 75-60-5 | 4 | U136 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-60-5", "cercla_rq_lbs": "1", "file": "arsinic-acid-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "arsinic-acid-dimethyl", "rcra_waste_number": "U136", "regulatory_categories": "4", "source_quote": "Arsinic acid, dimethyl- | 75-60-5 | 4 | U136 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsinic acid, dimethyl-", "title": "Arsinic acid, dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Arsonous dichloride, phenyl-\n\n**CAS No.:** 696-28-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P036\n\n**Regulatory categories:** 4\n\n> Arsonous dichloride, phenyl- | 696-28-6 | 4 | P036 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "696-28-6", "cercla_rq_lbs": "1", "file": "arsonous-dichloride-phenyl.md", "generated": true, "harvested": "2026-08-05", "id": "arsonous-dichloride-phenyl", "rcra_waste_number": "P036", "regulatory_categories": "4", "source_quote": "Arsonous dichloride, phenyl- | 696-28-6 | 4 | P036 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Arsonous dichloride, phenyl-", "title": "Arsonous dichloride, phenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Asbestos IV\n\n**CAS No.:** 1332-21-4\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,3\n\n> Asbestos IV | 1332-21-4 | 2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1332-21-4", "cercla_rq_lbs": "1", "file": "asbestos-iv.md", "generated": true, "harvested": "2026-08-05", "id": "asbestos-iv", "regulatory_categories": "2,3", "source_quote": "Asbestos IV | 1332-21-4 | 2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Asbestos IV", "title": "Asbestos IV \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Auramine\n\n**CAS No.:** 492-80-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U014\n\n**Regulatory categories:** 4\n\n> Auramine | 492-80-8 | 4 | U014 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "492-80-8", "cercla_rq_lbs": "100", "file": "auramine.md", "generated": true, "harvested": "2026-08-05", "id": "auramine", "rcra_waste_number": "U014", "regulatory_categories": "4", "source_quote": "Auramine | 492-80-8 | 4 | U014 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Auramine", "title": "Auramine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Azaserine\n\n**CAS No.:** 115-02-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U015\n\n**Regulatory categories:** 4\n\n> Azaserine | 115-02-6 | 4 | U015 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "115-02-6", "cercla_rq_lbs": "1", "file": "azaserine.md", "generated": true, "harvested": "2026-08-05", "id": "azaserine", "rcra_waste_number": "U015", "regulatory_categories": "4", "source_quote": "Azaserine | 115-02-6 | 4 | U015 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Azaserine", "title": "Azaserine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Azinphos-Ethyl\n\n**CAS No.:** 2642-71-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 2642-71-9 | Azinphos-Ethyl | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2642-71-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "azinphos-ethyl.md", "generated": true, "harvested": "2026-08-05", "id": "azinphos-ethyl", "source_quote": "100 | 2642-71-9 | Azinphos-Ethyl | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Azinphos-Ethyl", "title": "Azinphos-Ethyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Azinphos-Methyl\n\n**CAS No.:** 86-50-0\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 86-50-0 | Azinphos-Methyl | | 1 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "86-50-0", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "10/10,000", "file": "azinphos-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "azinphos-methyl", "source_quote": "86-50-0 | Azinphos-Methyl | | 1 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Azinphos-Methyl", "title": "Azinphos-Methyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aziridine, 2-methyl-\n\n**CAS No.:** 75-55-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P067\n\n**Regulatory categories:** 3,4\n\n> Aziridine, 2-methyl- | 75-55-8 | 3,4 | P067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-55-8", "cercla_rq_lbs": "1", "file": "aziridine-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "aziridine-2-methyl", "rcra_waste_number": "P067", "regulatory_categories": "3,4", "source_quote": "Aziridine, 2-methyl- | 75-55-8 | 3,4 | P067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aziridine, 2-methyl-", "title": "Aziridine, 2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Aziridine\n\n**CAS No.:** 151-56-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P054\n\n**Regulatory categories:** 3,4\n\n> Aziridine | 151-56-4 | 3,4 | P054 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "151-56-4", "cercla_rq_lbs": "1", "file": "aziridine.md", "generated": true, "harvested": "2026-08-05", "id": "aziridine", "rcra_waste_number": "P054", "regulatory_categories": "3,4", "source_quote": "Aziridine | 151-56-4 | 3,4 | P054 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Aziridine", "title": "Aziridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Azirino[2\u2032,3\u2032:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]-\n\n**CAS No.:** 50-07-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U010\n\n**Regulatory categories:** 4\n\n> Azirino[2\u2032,3\u2032:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]- | 50-07-7 | 4 | U010 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-07-7", "cercla_rq_lbs": "10", "file": "azirino-2-3-3-4-pyrrolo-1-2-a-indole-4-7-dione-6-amino-8-aminocarbonyl-oxy-methy.md", "generated": true, "harvested": "2026-08-05", "id": "azirino-2-3-3-4-pyrrolo-1-2-a-indole-4-7-dione-6-amino-8-aminocarbonyl-oxy-methy", "rcra_waste_number": "U010", "regulatory_categories": "4", "source_quote": "Azirino[2\u2032,3\u2032:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]- | 50-07-7 | 4 | U010 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Azirino[2\u2032,3\u2032:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]-", "title": "Azirino[2\u2032,3\u2032:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b- hexahydro-8a-methoxy-5- methyl-,[1aS- (1aalpha,8beta,8aalpha, 8balpha)]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (b) Methyl ethyl ketone\n\n**CAS No.:** 78-93-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U159\n\n**Regulatory categories:** 4\n\n> (b) Methyl ethyl ketone | 78-93-3 | 4 | U159 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-93-3", "cercla_rq_lbs": "5000", "file": "b-methyl-ethyl-ketone.md", "generated": true, "harvested": "2026-08-05", "id": "b-methyl-ethyl-ketone", "rcra_waste_number": "U159", "regulatory_categories": "4", "source_quote": "(b) Methyl ethyl ketone | 78-93-3 | 4 | U159 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(b) Methyl ethyl ketone", "title": "(b) Methyl ethyl ketone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (b) Methylene chloride\n\n**CAS No.:** 75-09-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U080\n\n**Regulatory categories:** 2,3,4\n\n> (b) Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-09-2", "cercla_rq_lbs": "1000", "file": "b-methylene-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "b-methylene-chloride", "rcra_waste_number": "U080", "regulatory_categories": "2,3,4", "source_quote": "(b) Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(b) Methylene chloride", "title": "(b) Methylene chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (b) Nitrobenzene\n\n**CAS No.:** 98-95-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U169\n\n**Regulatory categories:** 1,2,3,4\n\n> (b) Nitrobenzene | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-95-3", "cercla_rq_lbs": "1000", "file": "b-nitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "b-nitrobenzene", "rcra_waste_number": "U169", "regulatory_categories": "1,2,3,4", "source_quote": "(b) Nitrobenzene | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(b) Nitrobenzene", "title": "(b) Nitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (b) Trichloroethylene\n\n**CAS No.:** 79-01-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U228\n\n**Regulatory categories:** 1,2,3,4\n\n> (b) Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-01-6", "cercla_rq_lbs": "100", "file": "b-trichloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "b-trichloroethylene", "rcra_waste_number": "U228", "regulatory_categories": "1,2,3,4", "source_quote": "(b) Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(b) Trichloroethylene", "title": "(b) Trichloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Barban\n\n**CAS No.:** 101-27-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U280\n\n**Regulatory categories:** 4\n\n> Barban | 101-27-9 | 4 | U280 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-27-9", "cercla_rq_lbs": "10", "file": "barban.md", "generated": true, "harvested": "2026-08-05", "id": "barban", "rcra_waste_number": "U280", "regulatory_categories": "4", "source_quote": "Barban | 101-27-9 | 4 | U280 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Barban", "title": "Barban \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Barium cyanide\n\n**CAS No.:** 542-62-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P013\n\n**Regulatory categories:** 1,4\n\n> Barium cyanide | 542-62-1 | 1,4 | P013 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-62-1", "cercla_rq_lbs": "10", "file": "barium-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "barium-cyanide", "rcra_waste_number": "P013", "regulatory_categories": "1,4", "source_quote": "Barium cyanide | 542-62-1 | 1,4 | P013 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Barium cyanide", "title": "Barium cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bendiocarb phenol\n\n**CAS No.:** 22961-82-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U364\n\n**Regulatory categories:** 4\n\n> Bendiocarb phenol | 22961-82-6 | 4 | U364 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "22961-82-6", "cercla_rq_lbs": "1000", "file": "bendiocarb-phenol.md", "generated": true, "harvested": "2026-08-05", "id": "bendiocarb-phenol", "rcra_waste_number": "U364", "regulatory_categories": "4", "source_quote": "Bendiocarb phenol | 22961-82-6 | 4 | U364 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bendiocarb phenol", "title": "Bendiocarb phenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bendiocarb\n\n**CAS No.:** 22781-23-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U278\n\n**Regulatory categories:** 4\n\n> Bendiocarb | 22781-23-3 | 4 | U278 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "22781-23-3", "cercla_rq_lbs": "100", "file": "bendiocarb.md", "generated": true, "harvested": "2026-08-05", "id": "bendiocarb", "rcra_waste_number": "U278", "regulatory_categories": "4", "source_quote": "Bendiocarb | 22781-23-3 | 4 | U278 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bendiocarb", "title": "Bendiocarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benomyl\n\n**CAS No.:** 17804-35-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U271\n\n**Regulatory categories:** 4\n\n> Benomyl | 17804-35-2 | 4 | U271 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "17804-35-2", "cercla_rq_lbs": "10", "file": "benomyl.md", "generated": true, "harvested": "2026-08-05", "id": "benomyl", "rcra_waste_number": "U271", "regulatory_categories": "4", "source_quote": "Benomyl | 17804-35-2 | 4 | U271 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benomyl", "title": "Benomyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benz[a]anthracene, 7,12-dimethyl-\n\n**CAS No.:** 57-97-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U094\n\n**Regulatory categories:** 4\n\n> Benz[a]anthracene, 7,12-dimethyl- | 57-97-6 | 4 | U094 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-97-6", "cercla_rq_lbs": "1", "file": "benz-a-anthracene-7-12-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benz-a-anthracene-7-12-dimethyl", "rcra_waste_number": "U094", "regulatory_categories": "4", "source_quote": "Benz[a]anthracene, 7,12-dimethyl- | 57-97-6 | 4 | U094 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benz[a]anthracene, 7,12-dimethyl-", "title": "Benz[a]anthracene, 7,12-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benz[a]anthracene\n\n**CAS No.:** 56-55-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U018\n\n**Regulatory categories:** 2,4\n\n> Benz[a]anthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-55-3", "cercla_rq_lbs": "10", "file": "benz-a-anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "benz-a-anthracene", "rcra_waste_number": "U018", "regulatory_categories": "2,4", "source_quote": "Benz[a]anthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benz[a]anthracene", "title": "Benz[a]anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benz[c]acridine\n\n**CAS No.:** 225-51-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U016\n\n**Regulatory categories:** 4\n\n> Benz[c]acridine | 225-51-4 | 4 | U016 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "225-51-4", "cercla_rq_lbs": "100", "file": "benz-c-acridine.md", "generated": true, "harvested": "2026-08-05", "id": "benz-c-acridine", "rcra_waste_number": "U016", "regulatory_categories": "4", "source_quote": "Benz[c]acridine | 225-51-4 | 4 | U016 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benz[c]acridine", "title": "Benz[c]acridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-\n\n**CAS No.:** 56-49-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U157\n\n**Regulatory categories:** 4\n\n> Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- | 56-49-5 | 4 | U157 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-49-5", "cercla_rq_lbs": "10", "file": "benz-j-aceanthrylene-1-2-dihydro-3-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "benz-j-aceanthrylene-1-2-dihydro-3-methyl", "rcra_waste_number": "U157", "regulatory_categories": "4", "source_quote": "Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- | 56-49-5 | 4 | U157 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-", "title": "Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzal Chloride\n\n**CAS No.:** 98-87-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 5,000\n\n> 98-87-3 | Benzal Chloride | | 5,000 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-87-3", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "500", "file": "benzal-chloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "benzal-chloride-2", "source_quote": "98-87-3 | Benzal Chloride | | 5,000 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzal Chloride", "title": "Benzal Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzal chloride\n\n**CAS No.:** 98-87-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U017\n\n**Regulatory categories:** 4\n\n> Benzal chloride | 98-87-3 | 4 | U017 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-87-3", "cercla_rq_lbs": "5000", "file": "benzal-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzal-chloride", "rcra_waste_number": "U017", "regulatory_categories": "4", "source_quote": "Benzal chloride | 98-87-3 | 4 | U017 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzal chloride", "title": "Benzal chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)-\n\n**CAS No.:** 23950-58-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U192\n\n**Regulatory categories:** 4\n\n> Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- | 23950-58-5 | 4 | U192 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23950-58-5", "cercla_rq_lbs": "5000", "file": "benzamide-3-5-dichloro-n-1-1-dimethyl-2propynyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzamide-3-5-dichloro-n-1-1-dimethyl-2propynyl", "rcra_waste_number": "U192", "regulatory_categories": "4", "source_quote": "Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- | 23950-58-5 | 4 | U192 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)-", "title": "Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 2-methyl-5-nitro-\n\n**CAS No.:** 99-55-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U181\n\n**Regulatory categories:** 4\n\n> Benzenamine, 2-methyl-5-nitro- | 99-55-8 | 4 | U181 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-55-8", "cercla_rq_lbs": "100", "file": "benzenamine-2-methyl-5-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-2-methyl-5-nitro", "rcra_waste_number": "U181", "regulatory_categories": "4", "source_quote": "Benzenamine, 2-methyl-5-nitro- | 99-55-8 | 4 | U181 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 2-methyl-5-nitro-", "title": "Benzenamine, 2-methyl-5-nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 2-methyl-,hydrochloride\n\n**CAS No.:** 636-21-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U222\n\n**Regulatory categories:** 4\n\n> Benzenamine, 2-methyl-,hydrochloride | 636-21-5 | 4 | U222 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "636-21-5", "cercla_rq_lbs": "100", "file": "benzenamine-2-methyl-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-2-methyl-hydrochloride", "rcra_waste_number": "U222", "regulatory_categories": "4", "source_quote": "Benzenamine, 2-methyl-,hydrochloride | 636-21-5 | 4 | U222 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 2-methyl-,hydrochloride", "title": "Benzenamine, 2-methyl-,hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 2-methyl-\n\n**CAS No.:** 95-53-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U328\n\n**Regulatory categories:** 3,4\n\n> Benzenamine, 2-methyl- | 95-53-4 | 3,4 | U328 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-53-4", "cercla_rq_lbs": "100", "file": "benzenamine-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-2-methyl", "rcra_waste_number": "U328", "regulatory_categories": "3,4", "source_quote": "Benzenamine, 2-methyl- | 95-53-4 | 3,4 | U328 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 2-methyl-", "title": "Benzenamine, 2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 3-(Trifluoromethyl)-\n\n**CAS No.:** 98-16-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 98-16-8 | Benzenamine, 3-(Trifluoromethyl)- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-16-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "benzenamine-3-trifluoromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-3-trifluoromethyl", "source_quote": "500 | 98-16-8 | Benzenamine, 3-(Trifluoromethyl)- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzenamine, 3-(Trifluoromethyl)-", "title": "Benzenamine, 3-(Trifluoromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4,4\u2032-carbonimidoylbis (N,N dimethyl-\n\n**CAS No.:** 492-80-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U014\n\n**Regulatory categories:** 4\n\n> Benzenamine, 4,4\u2032-carbonimidoylbis (N,N dimethyl- | 492-80-8 | 4 | U014 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "492-80-8", "cercla_rq_lbs": "100", "file": "benzenamine-4-4-carbonimidoylbis-n-n-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-4-carbonimidoylbis-n-n-dimethyl", "rcra_waste_number": "U014", "regulatory_categories": "4", "source_quote": "Benzenamine, 4,4\u2032-carbonimidoylbis (N,N dimethyl- | 492-80-8 | 4 | U014 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4,4\u2032-carbonimidoylbis (N,N dimethyl-", "title": "Benzenamine, 4,4\u2032-carbonimidoylbis (N,N dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4,4\u2032-methylenebis [2-chloro-\n\n**CAS No.:** 101-14-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U158\n\n**Regulatory categories:** 3,4\n\n> Benzenamine, 4,4\u2032-methylenebis [2-chloro- | 101-14-4 | 3,4 | U158 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-14-4", "cercla_rq_lbs": "10", "file": "benzenamine-4-4-methylenebis-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-4-methylenebis-2-chloro", "rcra_waste_number": "U158", "regulatory_categories": "3,4", "source_quote": "Benzenamine, 4,4\u2032-methylenebis [2-chloro- | 101-14-4 | 3,4 | U158 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4,4\u2032-methylenebis [2-chloro-", "title": "Benzenamine, 4,4\u2032-methylenebis [2-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4-chloro-2-methyl-, hydrochloride\n\n**CAS No.:** 3165-93-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U049\n\n**Regulatory categories:** 4\n\n> Benzenamine, 4-chloro-2-methyl-, hydrochloride | 3165-93-3 | 4 | U049 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3165-93-3", "cercla_rq_lbs": "100", "file": "benzenamine-4-chloro-2-methyl-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-chloro-2-methyl-hydrochloride", "rcra_waste_number": "U049", "regulatory_categories": "4", "source_quote": "Benzenamine, 4-chloro-2-methyl-, hydrochloride | 3165-93-3 | 4 | U049 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4-chloro-2-methyl-, hydrochloride", "title": "Benzenamine, 4-chloro-2-methyl-, hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4-chloro-\n\n**CAS No.:** 106-47-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P024\n\n**Regulatory categories:** 4\n\n> Benzenamine, 4-chloro- | 106-47-8 | 4 | P024 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-47-8", "cercla_rq_lbs": "1000", "file": "benzenamine-4-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-chloro", "rcra_waste_number": "P024", "regulatory_categories": "4", "source_quote": "Benzenamine, 4-chloro- | 106-47-8 | 4 | P024 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4-chloro-", "title": "Benzenamine, 4-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4-methyl-\n\n**CAS No.:** 106-49-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U353\n\n**Regulatory categories:** 4\n\n> Benzenamine, 4-methyl- | 106-49-0 | 4 | U353 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-49-0", "cercla_rq_lbs": "100", "file": "benzenamine-4-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-methyl", "rcra_waste_number": "U353", "regulatory_categories": "4", "source_quote": "Benzenamine, 4-methyl- | 106-49-0 | 4 | U353 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4-methyl-", "title": "Benzenamine, 4-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, 4-nitro-\n\n**CAS No.:** 100-01-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** P077\n\n**Regulatory categories:** 4\n\n> Benzenamine, 4-nitro- | 100-01-6 | 4 | P077 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-01-6", "cercla_rq_lbs": "5000", "file": "benzenamine-4-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-4-nitro", "rcra_waste_number": "P077", "regulatory_categories": "4", "source_quote": "Benzenamine, 4-nitro- | 100-01-6 | 4 | P077 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, 4-nitro-", "title": "Benzenamine, 4-nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine, N,N-dimethyl-4-(phenylazo)-\n\n**CAS No.:** 60-11-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U093\n\n**Regulatory categories:** 3,4\n\n> Benzenamine, N,N-dimethyl-4-(phenylazo)- | 60-11-7 | 3,4 | U093 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-11-7", "cercla_rq_lbs": "10", "file": "benzenamine-n-n-dimethyl-4-phenylazo.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine-n-n-dimethyl-4-phenylazo", "rcra_waste_number": "U093", "regulatory_categories": "3,4", "source_quote": "Benzenamine, N,N-dimethyl-4-(phenylazo)- | 60-11-7 | 3,4 | U093 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine, N,N-dimethyl-4-(phenylazo)-", "title": "Benzenamine, N,N-dimethyl-4-(phenylazo)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenamine\n\n**CAS No.:** 62-53-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U012\n\n**Regulatory categories:** 1,3,4\n\n> Benzenamine | 62-53-3 | 1,3,4 | U012 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-53-3", "cercla_rq_lbs": "5000", "file": "benzenamine.md", "generated": true, "harvested": "2026-08-05", "id": "benzenamine", "rcra_waste_number": "U012", "regulatory_categories": "1,3,4", "source_quote": "Benzenamine | 62-53-3 | 1,3,4 | U012 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenamine", "title": "Benzenamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-chloro-\n\n**CAS No.:** 50-29-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U061\n\n**Regulatory categories:** 1,2,4\n\n> Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-chloro- | 50-29-3 | 1,2,4 | U061 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-29-3", "cercla_rq_lbs": "1", "file": "benzene-1-1-2-2-2-trichloroethylidene-bis-4-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-1-2-2-2-trichloroethylidene-bis-4-chloro", "rcra_waste_number": "U061", "regulatory_categories": "1,2,4", "source_quote": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-chloro- | 50-29-3 | 1,2,4 | U061 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-chloro-", "title": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-methoxy-\n\n**CAS No.:** 72-43-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U247\n\n**Regulatory categories:** 1,3,4\n\n> Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-methoxy- | 72-43-5 | 1,3,4 | U247 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-43-5", "cercla_rq_lbs": "1", "file": "benzene-1-1-2-2-2-trichloroethylidene-bis-4-methoxy.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-1-2-2-2-trichloroethylidene-bis-4-methoxy", "rcra_waste_number": "U247", "regulatory_categories": "1,3,4", "source_quote": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-methoxy- | 72-43-5 | 1,3,4 | U247 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-methoxy-", "title": "Benzene,1,1\u2032-(2,2,2-trichloroethylidene) bis[4-methoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1,1\u2032-(2,2-dichloroethylidene) bis[4-chloro-\n\n**CAS No.:** 72-54-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U060\n\n**Regulatory categories:** 1,2,4\n\n> Benzene, 1,1\u2032-(2,2-dichloroethylidene) bis[4-chloro- | 72-54-8 | 1,2,4 | U060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-54-8", "cercla_rq_lbs": "1", "file": "benzene-1-1-2-2-dichloroethylidene-bis-4-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-1-2-2-dichloroethylidene-bis-4-chloro", "rcra_waste_number": "U060", "regulatory_categories": "1,2,4", "source_quote": "Benzene, 1,1\u2032-(2,2-dichloroethylidene) bis[4-chloro- | 72-54-8 | 1,2,4 | U060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1,1\u2032-(2,2-dichloroethylidene) bis[4-chloro-", "title": "Benzene, 1,1\u2032-(2,2-dichloroethylidene) bis[4-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene,1,2,4,5-tetrachloro-\n\n**CAS No.:** 95-94-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U207\n\n**Regulatory categories:** 4\n\n> Benzene,1,2,4,5-tetrachloro- | 95-94-3 | 4 | U207 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-94-3", "cercla_rq_lbs": "5000", "file": "benzene-1-2-4-5-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-2-4-5-tetrachloro", "rcra_waste_number": "U207", "regulatory_categories": "4", "source_quote": "Benzene,1,2,4,5-tetrachloro- | 95-94-3 | 4 | U207 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene,1,2,4,5-tetrachloro-", "title": "Benzene,1,2,4,5-tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1,2-dichloro-\n\n**CAS No.:** 95-50-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U070\n\n**Regulatory categories:** 1,2,4\n\n> Benzene, 1,2-dichloro- | 95-50-1 | 1,2,4 | U070 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-50-1", "cercla_rq_lbs": "100", "file": "benzene-1-2-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-2-dichloro", "rcra_waste_number": "U070", "regulatory_categories": "1,2,4", "source_quote": "Benzene, 1,2-dichloro- | 95-50-1 | 1,2,4 | U070 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1,2-dichloro-", "title": "Benzene, 1,2-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1,3,5-trinitro-\n\n**CAS No.:** 99-35-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U234\n\n**Regulatory categories:** 4\n\n> Benzene, 1,3,5-trinitro- | 99-35-4 | 4 | U234 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-35-4", "cercla_rq_lbs": "10", "file": "benzene-1-3-5-trinitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-3-5-trinitro", "rcra_waste_number": "U234", "regulatory_categories": "4", "source_quote": "Benzene, 1,3,5-trinitro- | 99-35-4 | 4 | U234 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1,3,5-trinitro-", "title": "Benzene, 1,3,5-trinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1,3-dichloro-\n\n**CAS No.:** 541-73-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U071\n\n**Regulatory categories:** 2,4\n\n> Benzene, 1,3-dichloro- | 541-73-1 | 2,4 | U071 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-73-1", "cercla_rq_lbs": "100", "file": "benzene-1-3-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-3-dichloro", "rcra_waste_number": "U071", "regulatory_categories": "2,4", "source_quote": "Benzene, 1,3-dichloro- | 541-73-1 | 2,4 | U071 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1,3-dichloro-", "title": "Benzene, 1,3-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1,4-dichloro-\n\n**CAS No.:** 106-46-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U072\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene, 1,4-dichloro- | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-46-7", "cercla_rq_lbs": "100", "file": "benzene-1-4-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-4-dichloro", "rcra_waste_number": "U072", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene, 1,4-dichloro- | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1,4-dichloro-", "title": "Benzene, 1,4-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1-bromo-4-phenoxy-\n\n**CAS No.:** 101-55-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U030\n\n**Regulatory categories:** 2,4\n\n> Benzene, 1-bromo-4-phenoxy- | 101-55-3 | 2,4 | U030 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-55-3", "cercla_rq_lbs": "100", "file": "benzene-1-bromo-4-phenoxy.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-bromo-4-phenoxy", "rcra_waste_number": "U030", "regulatory_categories": "2,4", "source_quote": "Benzene, 1-bromo-4-phenoxy- | 101-55-3 | 2,4 | U030 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1-bromo-4-phenoxy-", "title": "Benzene, 1-bromo-4-phenoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1-(Chloromethyl)-4-Nitro-\n\n**CAS No.:** 100-14-1\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 100-14-1 | Benzene, 1-(Chloromethyl)-4-Nitro- | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "100-14-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "benzene-1-chloromethyl-4-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-chloromethyl-4-nitro", "source_quote": "500 | 100-14-1 | Benzene, 1-(Chloromethyl)-4-Nitro- | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzene, 1-(Chloromethyl)-4-Nitro-", "title": "Benzene, 1-(Chloromethyl)-4-Nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 1-methyl-2,4-dinitro-\n\n**CAS No.:** 121-14-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U105\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene, 1-methyl-2,4-dinitro- | 121-14-2 | 1,2,3,4 | U105 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-14-2", "cercla_rq_lbs": "10", "file": "benzene-1-methyl-2-4-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-methyl-2-4-dinitro", "rcra_waste_number": "U105", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene, 1-methyl-2,4-dinitro- | 121-14-2 | 1,2,3,4 | U105 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 1-methyl-2,4-dinitro-", "title": "Benzene, 1-methyl-2,4-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, (1-methylethyl)-\n\n**CAS No.:** 98-82-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U055\n\n**Regulatory categories:** 3,4\n\n> Benzene, (1-methylethyl)- | 98-82-8 | 3,4 | U055 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-82-8", "cercla_rq_lbs": "5000", "file": "benzene-1-methylethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-1-methylethyl", "rcra_waste_number": "U055", "regulatory_categories": "3,4", "source_quote": "Benzene, (1-methylethyl)- | 98-82-8 | 3,4 | U055 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, (1-methylethyl)-", "title": "Benzene, (1-methylethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, 2-methyl-1,3-dinitro-\n\n**CAS No.:** 606-20-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U106\n\n**Regulatory categories:** 1,2,4\n\n> Benzene, 2-methyl-1,3-dinitro- | 606-20-2 | 1,2,4 | U106 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "606-20-2", "cercla_rq_lbs": "100", "file": "benzene-2-methyl-1-3-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-2-methyl-1-3-dinitro", "rcra_waste_number": "U106", "regulatory_categories": "1,2,4", "source_quote": "Benzene, 2-methyl-1,3-dinitro- | 606-20-2 | 1,2,4 | U106 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, 2-methyl-1,3-dinitro-", "title": "Benzene, 2-methyl-1,3-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene a\n\n**CAS No.:** 71-43-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U019\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene a | 71-43-2 | 1,2,3,4 | U019 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-43-2", "cercla_rq_lbs": "10", "file": "benzene-a.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-a", "rcra_waste_number": "U019", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene a | 71-43-2 | 1,2,3,4 | U019 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene a", "title": "Benzene a \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, chloro-\n\n**CAS No.:** 108-90-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U037\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene, chloro- | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-90-7", "cercla_rq_lbs": "100", "file": "benzene-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-chloro", "rcra_waste_number": "U037", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene, chloro- | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, chloro-", "title": "Benzene, chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, (chloromethyl)-\n\n**CAS No.:** 100-44-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P028\n\n**Regulatory categories:** 1,3,4\n\n> Benzene, (chloromethyl)- | 100-44-7 | 1,3,4 | P028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-44-7", "cercla_rq_lbs": "100", "file": "benzene-chloromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-chloromethyl", "rcra_waste_number": "P028", "regulatory_categories": "1,3,4", "source_quote": "Benzene, (chloromethyl)- | 100-44-7 | 1,3,4 | P028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, (chloromethyl)-", "title": "Benzene, (chloromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, (dichloromethyl)-\n\n**CAS No.:** 98-87-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U017\n\n**Regulatory categories:** 4\n\n> Benzene, (dichloromethyl)- | 98-87-3 | 4 | U017 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-87-3", "cercla_rq_lbs": "5000", "file": "benzene-dichloromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-dichloromethyl", "rcra_waste_number": "U017", "regulatory_categories": "4", "source_quote": "Benzene, (dichloromethyl)- | 98-87-3 | 4 | U017 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, (dichloromethyl)-", "title": "Benzene, (dichloromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, dimethyl-\n\n**CAS No.:** 1330-20-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U239\n\n**Regulatory categories:** 1,3,4\n\n> Benzene, dimethyl- | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1330-20-7", "cercla_rq_lbs": "100", "file": "benzene-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-dimethyl", "rcra_waste_number": "U239", "regulatory_categories": "1,3,4", "source_quote": "Benzene, dimethyl- | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, dimethyl-", "title": "Benzene, dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, hexachloro-\n\n**CAS No.:** 118-74-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U127\n\n**Regulatory categories:** 2,3,4\n\n> Benzene, hexachloro- | 118-74-1 | 2,3,4 | U127 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "118-74-1", "cercla_rq_lbs": "10", "file": "benzene-hexachloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-hexachloro", "rcra_waste_number": "U127", "regulatory_categories": "2,3,4", "source_quote": "Benzene, hexachloro- | 118-74-1 | 2,3,4 | U127 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, hexachloro-", "title": "Benzene, hexachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, hexahydro-\n\n**CAS No.:** 110-82-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U056\n\n**Regulatory categories:** 1,4\n\n> Benzene, hexahydro- | 110-82-7 | 1,4 | U056 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-82-7", "cercla_rq_lbs": "1000", "file": "benzene-hexahydro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-hexahydro", "rcra_waste_number": "U056", "regulatory_categories": "1,4", "source_quote": "Benzene, hexahydro- | 110-82-7 | 1,4 | U056 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, hexahydro-", "title": "Benzene, hexahydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, methyl-\n\n**CAS No.:** 108-88-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U220\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene, methyl- | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-88-3", "cercla_rq_lbs": "1000", "file": "benzene-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-methyl", "rcra_waste_number": "U220", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene, methyl- | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, methyl-", "title": "Benzene, methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, nitro-\n\n**CAS No.:** 98-95-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U169\n\n**Regulatory categories:** 1,2,3,4\n\n> Benzene, nitro- | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-95-3", "cercla_rq_lbs": "1000", "file": "benzene-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-nitro", "rcra_waste_number": "U169", "regulatory_categories": "1,2,3,4", "source_quote": "Benzene, nitro- | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, nitro-", "title": "Benzene, nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, pentachloro-\n\n**CAS No.:** 608-93-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U183\n\n**Regulatory categories:** 4\n\n> Benzene, pentachloro- | 608-93-5 | 4 | U183 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "608-93-5", "cercla_rq_lbs": "10", "file": "benzene-pentachloro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-pentachloro", "rcra_waste_number": "U183", "regulatory_categories": "4", "source_quote": "Benzene, pentachloro- | 608-93-5 | 4 | U183 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, pentachloro-", "title": "Benzene, pentachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, pentachloronitro-\n\n**CAS No.:** 82-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U185\n\n**Regulatory categories:** 3,4\n\n> Benzene, pentachloronitro- | 82-68-8 | 3,4 | U185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "82-68-8", "cercla_rq_lbs": "100", "file": "benzene-pentachloronitro.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-pentachloronitro", "rcra_waste_number": "U185", "regulatory_categories": "3,4", "source_quote": "Benzene, pentachloronitro- | 82-68-8 | 3,4 | U185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, pentachloronitro-", "title": "Benzene, pentachloronitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzene, (trichloromethyl)-\n\n**CAS No.:** 98-07-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U023\n\n**Regulatory categories:** 3,4\n\n> Benzene, (trichloromethyl)- | 98-07-7 | 3,4 | U023 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-07-7", "cercla_rq_lbs": "10", "file": "benzene-trichloromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzene-trichloromethyl", "rcra_waste_number": "U023", "regulatory_categories": "3,4", "source_quote": "Benzene, (trichloromethyl)- | 98-07-7 | 3,4 | U023 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzene, (trichloromethyl)-", "title": "Benzene, (trichloromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzeneacetic acid, 4-chloro-\u03b1-(4-chlorophenyl)-\u03b1-hydroxy-, ethyl ester\n\n**CAS No.:** 510-15-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U038\n\n**Regulatory categories:** 3,4\n\n> Benzeneacetic acid, 4-chloro-\u03b1-(4-chlorophenyl)-\u03b1-hydroxy-, ethyl ester | 510-15-6 | 3,4 | U038 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "510-15-6", "cercla_rq_lbs": "10", "file": "benzeneacetic-acid-4-chloro-4-chlorophenyl-hydroxy-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "benzeneacetic-acid-4-chloro-4-chlorophenyl-hydroxy-ethyl-ester", "rcra_waste_number": "U038", "regulatory_categories": "3,4", "source_quote": "Benzeneacetic acid, 4-chloro-\u03b1-(4-chlorophenyl)-\u03b1-hydroxy-, ethyl ester | 510-15-6 | 3,4 | U038 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzeneacetic acid, 4-chloro-\u03b1-(4-chlorophenyl)-\u03b1-hydroxy-, ethyl ester", "title": "Benzeneacetic acid, 4-chloro-\u03b1-(4-chlorophenyl)-\u03b1-hydroxy-, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenearsonic Acid\n\n**CAS No.:** 98-05-5\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 98-05-5 | Benzenearsonic Acid | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-05-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "benzenearsonic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "benzenearsonic-acid", "source_quote": "500/10,000 | 98-05-5 | Benzenearsonic Acid | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzenearsonic Acid", "title": "Benzenearsonic Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]-\n\n**CAS No.:** 305-03-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U035\n\n**Regulatory categories:** 4\n\n> Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]- | 305-03-3 | 4 | U035 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "305-03-3", "cercla_rq_lbs": "10", "file": "benzenebutanoic-acid-4-bis-2-chloroethyl-amino.md", "generated": true, "harvested": "2026-08-05", "id": "benzenebutanoic-acid-4-bis-2-chloroethyl-amino", "rcra_waste_number": "U035", "regulatory_categories": "4", "source_quote": "Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]- | 305-03-3 | 4 | U035 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]-", "title": "Benzenebutanoic acid, 4-[bis(2- chloroethyl)amino]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzeneethanamine, alpha,alpha-dimethyl-\n\n**CAS No.:** 122-09-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** P046\n\n**Regulatory categories:** 4\n\n> Benzeneethanamine, alpha,alpha-dimethyl- | 122-09-8 | 4 | P046 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-09-8", "cercla_rq_lbs": "5000", "file": "benzeneethanamine-alpha-alpha-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzeneethanamine-alpha-alpha-dimethyl", "rcra_waste_number": "P046", "regulatory_categories": "4", "source_quote": "Benzeneethanamine, alpha,alpha-dimethyl- | 122-09-8 | 4 | P046 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzeneethanamine, alpha,alpha-dimethyl-", "title": "Benzeneethanamine, alpha,alpha-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenesulfonic acid chloride\n\n**CAS No.:** 98-09-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U020\n\n**Regulatory categories:** 4\n\n> Benzenesulfonic acid chloride | 98-09-9 | 4 | U020 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-09-9", "cercla_rq_lbs": "100", "file": "benzenesulfonic-acid-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzenesulfonic-acid-chloride", "rcra_waste_number": "U020", "regulatory_categories": "4", "source_quote": "Benzenesulfonic acid chloride | 98-09-9 | 4 | U020 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenesulfonic acid chloride", "title": "Benzenesulfonic acid chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenesulfonyl chloride\n\n**CAS No.:** 98-09-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U020\n\n**Regulatory categories:** 4\n\n> Benzenesulfonyl chloride | 98-09-9 | 4 | U020 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-09-9", "cercla_rq_lbs": "100", "file": "benzenesulfonyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzenesulfonyl-chloride", "rcra_waste_number": "U020", "regulatory_categories": "4", "source_quote": "Benzenesulfonyl chloride | 98-09-9 | 4 | U020 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenesulfonyl chloride", "title": "Benzenesulfonyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzenethiol\n\n**CAS No.:** 108-98-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P014\n\n**Regulatory categories:** 4\n\n> Benzenethiol | 108-98-5 | 4 | P014 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-98-5", "cercla_rq_lbs": "100", "file": "benzenethiol.md", "generated": true, "harvested": "2026-08-05", "id": "benzenethiol", "rcra_waste_number": "P014", "regulatory_categories": "4", "source_quote": "Benzenethiol | 108-98-5 | 4 | P014 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzenethiol", "title": "Benzenethiol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzidine\n\n**CAS No.:** 92-87-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U021\n\n**Regulatory categories:** 2,3,4\n\n> Benzidine | 92-87-5 | 2,3,4 | U021 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "92-87-5", "cercla_rq_lbs": "1", "file": "benzidine.md", "generated": true, "harvested": "2026-08-05", "id": "benzidine", "rcra_waste_number": "U021", "regulatory_categories": "2,3,4", "source_quote": "Benzidine | 92-87-5 | 2,3,4 | U021 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzidine", "title": "Benzidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)-\n\n**CAS No.:** 3615-21-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 3615-21-2 | Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)- | c | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3615-21-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "benzimidazole-4-5-dichloro-2-trifluoromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "benzimidazole-4-5-dichloro-2-trifluoromethyl", "source_quote": "3615-21-2 | Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)- | c | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)-", "title": "Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo[a]anthracene\n\n**CAS No.:** 56-55-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U018\n\n**Regulatory categories:** 2,4\n\n> Benzo[a]anthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-55-3", "cercla_rq_lbs": "10", "file": "benzo-a-anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-a-anthracene", "rcra_waste_number": "U018", "regulatory_categories": "2,4", "source_quote": "Benzo[a]anthracene | 56-55-3 | 2,4 | U018 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo[a]anthracene", "title": "Benzo[a]anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo[a]pyrene\n\n**CAS No.:** 50-32-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U022\n\n**Regulatory categories:** 2,4\n\n> Benzo[a]pyrene | 50-32-8 | 2,4 | U022 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-32-8", "cercla_rq_lbs": "1", "file": "benzo-a-pyrene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-a-pyrene", "rcra_waste_number": "U022", "regulatory_categories": "2,4", "source_quote": "Benzo[a]pyrene | 50-32-8 | 2,4 | U022 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo[a]pyrene", "title": "Benzo[a]pyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo[b]fluoranthene\n\n**CAS No.:** 205-99-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> Benzo[b]fluoranthene | 205-99-2 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "205-99-2", "cercla_rq_lbs": "1", "file": "benzo-b-fluoranthene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-b-fluoranthene", "regulatory_categories": "2", "source_quote": "Benzo[b]fluoranthene | 205-99-2 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo[b]fluoranthene", "title": "Benzo[b]fluoranthene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo[ghi]perylene\n\n**CAS No.:** 191-24-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Benzo[ghi]perylene | 191-24-2 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "191-24-2", "cercla_rq_lbs": "5000", "file": "benzo-ghi-perylene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-ghi-perylene", "regulatory_categories": "2", "source_quote": "Benzo[ghi]perylene | 191-24-2 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo[ghi]perylene", "title": "Benzo[ghi]perylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo(k)fluoranthene\n\n**CAS No.:** 207-08-9\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Benzo(k)fluoranthene | 207-08-9 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "207-08-9", "cercla_rq_lbs": "5000", "file": "benzo-k-fluoranthene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-k-fluoranthene", "regulatory_categories": "2", "source_quote": "Benzo(k)fluoranthene | 207-08-9 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo(k)fluoranthene", "title": "Benzo(k)fluoranthene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzo[rst]pentaphene\n\n**CAS No.:** 189-55-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U064\n\n**Regulatory categories:** 4\n\n> Benzo[rst]pentaphene | 189-55-9 | 4 | U064 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "189-55-9", "cercla_rq_lbs": "10", "file": "benzo-rst-pentaphene.md", "generated": true, "harvested": "2026-08-05", "id": "benzo-rst-pentaphene", "rcra_waste_number": "U064", "regulatory_categories": "4", "source_quote": "Benzo[rst]pentaphene | 189-55-9 | 4 | U064 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzo[rst]pentaphene", "title": "Benzo[rst]pentaphene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1)\n\n**CAS No.:** 57-64-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P188\n\n**Regulatory categories:** 4\n\n> Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1) | 57-64-7 | 4 | P188 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-64-7", "cercla_rq_lbs": "100", "file": "benzoic-acid-2-hydroxy-compd-with-3as-cis-1-2-3-3a-8-8a-hexahydro-1-3a-8-trimeth.md", "generated": true, "harvested": "2026-08-05", "id": "benzoic-acid-2-hydroxy-compd-with-3as-cis-1-2-3-3a-8-8a-hexahydro-1-3a-8-trimeth", "rcra_waste_number": "P188", "regulatory_categories": "4", "source_quote": "Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1) | 57-64-7 | 4 | P188 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1)", "title": "Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-yl methylcarbamate ester (1:1) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzoic acid\n\n**CAS No.:** 65-85-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Benzoic acid | 65-85-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "65-85-0", "cercla_rq_lbs": "5000", "file": "benzoic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "benzoic-acid", "regulatory_categories": "1", "source_quote": "Benzoic acid | 65-85-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzoic acid", "title": "Benzoic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzonitrile\n\n**CAS No.:** 100-47-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Benzonitrile | 100-47-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-47-0", "cercla_rq_lbs": "5000", "file": "benzonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "benzonitrile", "regulatory_categories": "1", "source_quote": "Benzonitrile | 100-47-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzonitrile", "title": "Benzonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** \u03c1-Benzoquinone\n\n**CAS No.:** 106-51-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U197\n\n**Regulatory categories:** 3,4\n\n> \u03c1-Benzoquinone | 106-51-4 | 3,4 | U197 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-51-4", "cercla_rq_lbs": "10", "file": "benzoquinone.md", "generated": true, "harvested": "2026-08-05", "id": "benzoquinone", "rcra_waste_number": "U197", "regulatory_categories": "3,4", "source_quote": "\u03c1-Benzoquinone | 106-51-4 | 3,4 | U197 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "\u03c1-Benzoquinone", "title": "\u03c1-Benzoquinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzotrichloride\n\n**CAS No.:** 98-07-7\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 98-07-7 | Benzotrichloride | | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-07-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "benzotrichloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "benzotrichloride-2", "source_quote": "500/10,000 | 98-07-7 | Benzotrichloride | | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzotrichloride", "title": "Benzotrichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzotrichloride\n\n**CAS No.:** 98-07-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U023\n\n**Regulatory categories:** 3,4\n\n> Benzotrichloride | 98-07-7 | 3,4 | U023 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-07-7", "cercla_rq_lbs": "10", "file": "benzotrichloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzotrichloride", "rcra_waste_number": "U023", "regulatory_categories": "3,4", "source_quote": "Benzotrichloride | 98-07-7 | 3,4 | U023 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzotrichloride", "title": "Benzotrichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzoyl chloride\n\n**CAS No.:** 98-88-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Benzoyl chloride | 98-88-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-88-4", "cercla_rq_lbs": "1000", "file": "benzoyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzoyl-chloride", "regulatory_categories": "1", "source_quote": "Benzoyl chloride | 98-88-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzoyl chloride", "title": "Benzoyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzyl Chloride\n\n**CAS No.:** 100-44-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 100-44-7 | Benzyl Chloride | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "100-44-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "benzyl-chloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "benzyl-chloride-2", "source_quote": "100-44-7 | Benzyl Chloride | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzyl Chloride", "title": "Benzyl Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzyl chloride\n\n**CAS No.:** 100-44-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P028\n\n**Regulatory categories:** 1,3,4\n\n> Benzyl chloride | 100-44-7 | 1,3,4 | P028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-44-7", "cercla_rq_lbs": "100", "file": "benzyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "benzyl-chloride", "rcra_waste_number": "P028", "regulatory_categories": "1,3,4", "source_quote": "Benzyl chloride | 100-44-7 | 1,3,4 | P028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Benzyl chloride", "title": "Benzyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Benzyl Cyanide\n\n**CAS No.:** 140-29-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 140-29-4 | Benzyl Cyanide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "140-29-4", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "benzyl-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "benzyl-cyanide", "source_quote": "500 | 140-29-4 | Benzyl Cyanide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Benzyl Cyanide", "title": "Benzyl Cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Beryllium chloride\n\n**CAS No.:** 7787-47-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Beryllium chloride | 7787-47-5 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7787-47-5", "cercla_rq_lbs": "1", "file": "beryllium-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "beryllium-chloride", "regulatory_categories": "1", "source_quote": "Beryllium chloride | 7787-47-5 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Beryllium chloride", "title": "Beryllium chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Beryllium fluoride\n\n**CAS No.:** 7787-49-7\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Beryllium fluoride | 7787-49-7 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7787-49-7", "cercla_rq_lbs": "1", "file": "beryllium-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "beryllium-fluoride", "regulatory_categories": "1", "source_quote": "Beryllium fluoride | 7787-49-7 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Beryllium fluoride", "title": "Beryllium fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Beryllium III\n\n**CAS No.:** 7440-41-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P015\n\n**Regulatory categories:** 2,3,4\n\n> Beryllium III | 7440-41-7 | 2,3,4 | P015 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-41-7", "cercla_rq_lbs": "10", "file": "beryllium-iii.md", "generated": true, "harvested": "2026-08-05", "id": "beryllium-iii", "rcra_waste_number": "P015", "regulatory_categories": "2,3,4", "source_quote": "Beryllium III | 7440-41-7 | 2,3,4 | P015 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Beryllium III", "title": "Beryllium III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Beryllium powder III\n\n**CAS No.:** 7440-41-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P015\n\n**Regulatory categories:** 2,3,4\n\n> Beryllium powder III | 7440-41-7 | 2,3,4 | P015 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-41-7", "cercla_rq_lbs": "10", "file": "beryllium-powder-iii.md", "generated": true, "harvested": "2026-08-05", "id": "beryllium-powder-iii", "rcra_waste_number": "P015", "regulatory_categories": "2,3,4", "source_quote": "Beryllium powder III | 7440-41-7 | 2,3,4 | P015 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Beryllium powder III", "title": "Beryllium powder III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** beta-BHC\n\n**CAS No.:** 319-85-7\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> beta-BHC | 319-85-7 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "319-85-7", "cercla_rq_lbs": "1", "file": "beta-bhc.md", "generated": true, "harvested": "2026-08-05", "id": "beta-bhc", "regulatory_categories": "2", "source_quote": "beta-BHC | 319-85-7 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "beta-BHC", "title": "beta-BHC \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** beta-Chloronaphthalene\n\n**CAS No.:** 91-58-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U047\n\n**Regulatory categories:** 2,4\n\n> beta-Chloronaphthalene | 91-58-7 | 2,4 | U047 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-58-7", "cercla_rq_lbs": "5000", "file": "beta-chloronaphthalene.md", "generated": true, "harvested": "2026-08-05", "id": "beta-chloronaphthalene", "rcra_waste_number": "U047", "regulatory_categories": "2,4", "source_quote": "beta-Chloronaphthalene | 91-58-7 | 2,4 | U047 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "beta-Chloronaphthalene", "title": "beta-Chloronaphthalene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** beta-Endosulfan\n\n**CAS No.:** 33213-65-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> beta-Endosulfan | 33213-65-9 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "33213-65-9", "cercla_rq_lbs": "1", "file": "beta-endosulfan.md", "generated": true, "harvested": "2026-08-05", "id": "beta-endosulfan", "regulatory_categories": "2", "source_quote": "beta-Endosulfan | 33213-65-9 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "beta-Endosulfan", "title": "beta-Endosulfan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** beta-Naphthylamine\n\n**CAS No.:** 91-59-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U168\n\n**Regulatory categories:** 4\n\n> beta-Naphthylamine | 91-59-8 | 4 | U168 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-59-8", "cercla_rq_lbs": "10", "file": "beta-naphthylamine.md", "generated": true, "harvested": "2026-08-05", "id": "beta-naphthylamine", "rcra_waste_number": "U168", "regulatory_categories": "4", "source_quote": "beta-Naphthylamine | 91-59-8 | 4 | U168 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "beta-Naphthylamine", "title": "beta-Naphthylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** beta-Propiolactone\n\n**CAS No.:** 57-57-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> beta-Propiolactone | 57-57-8 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-57-8", "cercla_rq_lbs": "10", "file": "beta-propiolactone.md", "generated": true, "harvested": "2026-08-05", "id": "beta-propiolactone", "regulatory_categories": "3", "source_quote": "beta-Propiolactone | 57-57-8 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "beta-Propiolactone", "title": "beta-Propiolactone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-\n\n**CAS No.:** 15271-41-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 15271-41-7 | Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))- | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "15271-41-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "bicyclo-2-2-1-heptane-2-carbonitrile-5-chloro-6-methylamino-carbonyl-oxy-imino-1.md", "generated": true, "harvested": "2026-08-05", "id": "bicyclo-2-2-1-heptane-2-carbonitrile-5-chloro-6-methylamino-carbonyl-oxy-imino-1", "source_quote": "500 | 15271-41-7 | Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))- | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-", "title": "Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Biphenyl\n\n**CAS No.:** 92-52-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Biphenyl | 92-52-4 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "92-52-4", "cercla_rq_lbs": "100", "file": "biphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "biphenyl", "regulatory_categories": "3", "source_quote": "Biphenyl | 92-52-4 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Biphenyl", "title": "Biphenyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bis(2-chloroethoxy) methane\n\n**CAS No.:** 111-91-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U024\n\n**Regulatory categories:** 2,4\n\n> Bis(2-chloroethoxy) methane | 111-91-1 | 2,4 | U024 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-91-1", "cercla_rq_lbs": "1000", "file": "bis-2-chloroethoxy-methane.md", "generated": true, "harvested": "2026-08-05", "id": "bis-2-chloroethoxy-methane", "rcra_waste_number": "U024", "regulatory_categories": "2,4", "source_quote": "Bis(2-chloroethoxy) methane | 111-91-1 | 2,4 | U024 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bis(2-chloroethoxy) methane", "title": "Bis(2-chloroethoxy) methane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bis(2-chloroethyl) ether\n\n**CAS No.:** 111-44-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U025\n\n**Regulatory categories:** 2,3,4\n\n> Bis(2-chloroethyl) ether | 111-44-4 | 2,3,4 | U025 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-44-4", "cercla_rq_lbs": "10", "file": "bis-2-chloroethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "bis-2-chloroethyl-ether", "rcra_waste_number": "U025", "regulatory_categories": "2,3,4", "source_quote": "Bis(2-chloroethyl) ether | 111-44-4 | 2,3,4 | U025 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bis(2-chloroethyl) ether", "title": "Bis(2-chloroethyl) ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bis(2-ethylhexyl) phthalate\n\n**CAS No.:** 117-81-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U028\n\n**Regulatory categories:** 3,4\n\n> Bis(2-ethylhexyl) phthalate | 117-81-7 | 3,4 | U028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-81-7", "cercla_rq_lbs": "100", "file": "bis-2-ethylhexyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "bis-2-ethylhexyl-phthalate", "rcra_waste_number": "U028", "regulatory_categories": "3,4", "source_quote": "Bis(2-ethylhexyl) phthalate | 117-81-7 | 3,4 | U028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bis(2-ethylhexyl) phthalate", "title": "Bis(2-ethylhexyl) phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bis(chloromethyl) ether\n\n**CAS No.:** 542-88-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P016\n\n**Regulatory categories:** 3,4\n\n> Bis(chloromethyl) ether | 542-88-1 | 3,4 | P016 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-88-1", "cercla_rq_lbs": "10", "file": "bis-chloromethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "bis-chloromethyl-ether", "rcra_waste_number": "P016", "regulatory_categories": "3,4", "source_quote": "Bis(chloromethyl) ether | 542-88-1 | 3,4 | P016 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bis(chloromethyl) ether", "title": "Bis(chloromethyl) ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bis(Chloromethyl) Ketone\n\n**CAS No.:** 534-07-6\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 534-07-6 | Bis(Chloromethyl) Ketone | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "534-07-6", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "bis-chloromethyl-ketone.md", "generated": true, "harvested": "2026-08-05", "id": "bis-chloromethyl-ketone", "source_quote": "500/10,000 | 534-07-6 | Bis(Chloromethyl) Ketone | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Bis(Chloromethyl) Ketone", "title": "Bis(Chloromethyl) Ketone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bitoscanate\n\n**CAS No.:** 4044-65-9\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 4044-65-9 | Bitoscanate | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4044-65-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "bitoscanate.md", "generated": true, "harvested": "2026-08-05", "id": "bitoscanate", "source_quote": "4044-65-9 | Bitoscanate | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Bitoscanate", "title": "Bitoscanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Boron Trichloride\n\n**CAS No.:** 10294-34-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 10294-34-5 | Boron Trichloride | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10294-34-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "boron-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "boron-trichloride", "source_quote": "10294-34-5 | Boron Trichloride | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Boron Trichloride", "title": "Boron Trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Boron Trifluoride Compound With Methyl Ether (1:1)\n\n**CAS No.:** 353-42-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 353-42-4 | Boron Trifluoride Compound With Methyl Ether (1:1) | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "353-42-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "boron-trifluoride-compound-with-methyl-ether-1-1.md", "generated": true, "harvested": "2026-08-05", "id": "boron-trifluoride-compound-with-methyl-ether-1-1", "source_quote": "353-42-4 | Boron Trifluoride Compound With Methyl Ether (1:1) | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Boron Trifluoride Compound With Methyl Ether (1:1)", "title": "Boron Trifluoride Compound With Methyl Ether (1:1) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Boron Trifluoride\n\n**CAS No.:** 7637-07-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 7637-07-2 | Boron Trifluoride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7637-07-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "boron-trifluoride.md", "generated": true, "harvested": "2026-08-05", "id": "boron-trifluoride", "source_quote": "500 | 7637-07-2 | Boron Trifluoride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Boron Trifluoride", "title": "Boron Trifluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bromadiolone\n\n**CAS No.:** 28772-56-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 28772-56-7 | Bromadiolone | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "28772-56-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "bromadiolone.md", "generated": true, "harvested": "2026-08-05", "id": "bromadiolone", "source_quote": "28772-56-7 | Bromadiolone | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Bromadiolone", "title": "Bromadiolone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bromine\n\n**CAS No.:** 7726-95-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 7726-95-6 | Bromine | f | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7726-95-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "bromine.md", "generated": true, "harvested": "2026-08-05", "id": "bromine", "source_quote": "7726-95-6 | Bromine | f | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Bromine", "title": "Bromine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bromoacetone\n\n**CAS No.:** 598-31-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P017\n\n**Regulatory categories:** 4\n\n> Bromoacetone | 598-31-2 | 4 | P017 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "598-31-2", "cercla_rq_lbs": "1000", "file": "bromoacetone.md", "generated": true, "harvested": "2026-08-05", "id": "bromoacetone", "rcra_waste_number": "P017", "regulatory_categories": "4", "source_quote": "Bromoacetone | 598-31-2 | 4 | P017 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bromoacetone", "title": "Bromoacetone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bromoform\n\n**CAS No.:** 75-25-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U225\n\n**Regulatory categories:** 2,3,4\n\n> Bromoform | 75-25-2 | 2,3,4 | U225 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-25-2", "cercla_rq_lbs": "100", "file": "bromoform.md", "generated": true, "harvested": "2026-08-05", "id": "bromoform", "rcra_waste_number": "U225", "regulatory_categories": "2,3,4", "source_quote": "Bromoform | 75-25-2 | 2,3,4 | U225 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bromoform", "title": "Bromoform \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Bromomethane\n\n**CAS No.:** 74-83-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U029\n\n**Regulatory categories:** 2,3,4\n\n> Bromomethane | 74-83-9 | 2,3,4 | U029 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-83-9", "cercla_rq_lbs": "1000", "file": "bromomethane.md", "generated": true, "harvested": "2026-08-05", "id": "bromomethane", "rcra_waste_number": "U029", "regulatory_categories": "2,3,4", "source_quote": "Bromomethane | 74-83-9 | 2,3,4 | U029 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Bromomethane", "title": "Bromomethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Brucine\n\n**CAS No.:** 357-57-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P018\n\n**Regulatory categories:** 4\n\n> Brucine | 357-57-3 | 4 | P018 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "357-57-3", "cercla_rq_lbs": "100", "file": "brucine.md", "generated": true, "harvested": "2026-08-05", "id": "brucine", "rcra_waste_number": "P018", "regulatory_categories": "4", "source_quote": "Brucine | 357-57-3 | 4 | P018 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Brucine", "title": "Brucine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Butyl acetate\n\n**CAS No.:** 123-86-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Butyl acetate | 123-86-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-86-4", "cercla_rq_lbs": "5000", "file": "butyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "butyl-acetate", "regulatory_categories": "1", "source_quote": "Butyl acetate | 123-86-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Butyl acetate", "title": "Butyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Butyl benzyl phthalate\n\n**CAS No.:** 85-68-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> Butyl benzyl phthalate | 85-68-7 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "85-68-7", "cercla_rq_lbs": "100", "file": "butyl-benzyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "butyl-benzyl-phthalate", "regulatory_categories": "2", "source_quote": "Butyl benzyl phthalate | 85-68-7 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Butyl benzyl phthalate", "title": "Butyl benzyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Butylamine\n\n**CAS No.:** 109-73-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Butylamine | 109-73-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-73-9", "cercla_rq_lbs": "1000", "file": "butylamine.md", "generated": true, "harvested": "2026-08-05", "id": "butylamine", "regulatory_categories": "1", "source_quote": "Butylamine | 109-73-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Butylamine", "title": "Butylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Butyric acid\n\n**CAS No.:** 107-92-6\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Butyric acid | 107-92-6 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-92-6", "cercla_rq_lbs": "5000", "file": "butyric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "butyric-acid", "regulatory_categories": "1", "source_quote": "Butyric acid | 107-92-6 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Butyric acid", "title": "Butyric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (c) Carbon disulfide\n\n**CAS No.:** 75-15-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P022\n\n**Regulatory categories:** 1,3,4\n\n> (c) Carbon disulfide | 75-15-0 | 1,3,4 | P022 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-15-0", "cercla_rq_lbs": "100", "file": "c-carbon-disulfide.md", "generated": true, "harvested": "2026-08-05", "id": "c-carbon-disulfide", "rcra_waste_number": "P022", "regulatory_categories": "1,3,4", "source_quote": "(c) Carbon disulfide | 75-15-0 | 1,3,4 | P022 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(c) Carbon disulfide", "title": "(c) Carbon disulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (c) Methylene chloride\n\n**CAS No.:** 75-09-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U080\n\n**Regulatory categories:** 2,3,4\n\n> (c) Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-09-2", "cercla_rq_lbs": "1000", "file": "c-methylene-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "c-methylene-chloride", "rcra_waste_number": "U080", "regulatory_categories": "2,3,4", "source_quote": "(c) Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(c) Methylene chloride", "title": "(c) Methylene chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (c) Trichloroethylene\n\n**CAS No.:** 79-01-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U228\n\n**Regulatory categories:** 1,2,3,4\n\n> (c) Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-01-6", "cercla_rq_lbs": "100", "file": "c-trichloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "c-trichloroethylene", "rcra_waste_number": "U228", "regulatory_categories": "1,2,3,4", "source_quote": "(c) Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(c) Trichloroethylene", "title": "(c) Trichloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cacodylic acid\n\n**CAS No.:** 75-60-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U136\n\n**Regulatory categories:** 4\n\n> Cacodylic acid | 75-60-5 | 4 | U136 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-60-5", "cercla_rq_lbs": "1", "file": "cacodylic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "cacodylic-acid", "rcra_waste_number": "U136", "regulatory_categories": "4", "source_quote": "Cacodylic acid | 75-60-5 | 4 | U136 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cacodylic acid", "title": "Cacodylic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium acetate\n\n**CAS No.:** 543-90-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Cadmium acetate | 543-90-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "543-90-8", "cercla_rq_lbs": "10", "file": "cadmium-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-acetate", "regulatory_categories": "1", "source_quote": "Cadmium acetate | 543-90-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cadmium acetate", "title": "Cadmium acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium bromide\n\n**CAS No.:** 7789-42-6\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Cadmium bromide | 7789-42-6 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-42-6", "cercla_rq_lbs": "10", "file": "cadmium-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-bromide", "regulatory_categories": "1", "source_quote": "Cadmium bromide | 7789-42-6 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cadmium bromide", "title": "Cadmium bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium chloride\n\n**CAS No.:** 10108-64-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Cadmium chloride | 10108-64-2 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10108-64-2", "cercla_rq_lbs": "10", "file": "cadmium-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-chloride", "regulatory_categories": "1", "source_quote": "Cadmium chloride | 10108-64-2 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cadmium chloride", "title": "Cadmium chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium III\n\n**CAS No.:** 7440-43-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 2\n\n> Cadmium III | 7440-43-9 | 2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-43-9", "cercla_rq_lbs": "10", "file": "cadmium-iii.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-iii", "regulatory_categories": "2", "source_quote": "Cadmium III | 7440-43-9 | 2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cadmium III", "title": "Cadmium III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium Oxide\n\n**CAS No.:** 1306-19-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 1306-19-0 | Cadmium Oxide | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1306-19-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "cadmium-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-oxide", "source_quote": "1306-19-0 | Cadmium Oxide | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cadmium Oxide", "title": "Cadmium Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cadmium Stearate\n\n**CAS No.:** 2223-93-0\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2223-93-0 | Cadmium Stearate | b | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2223-93-0", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "cadmium-stearate.md", "generated": true, "harvested": "2026-08-05", "id": "cadmium-stearate", "source_quote": "2223-93-0 | Cadmium Stearate | b | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cadmium Stearate", "title": "Cadmium Stearate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium Arsenate\n\n**CAS No.:** 7778-44-1\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 7778-44-1 | Calcium Arsenate | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7778-44-1", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "calcium-arsenate-2.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-arsenate-2", "source_quote": "7778-44-1 | Calcium Arsenate | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Calcium Arsenate", "title": "Calcium Arsenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium arsenate\n\n**CAS No.:** 7778-44-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Calcium arsenate | 7778-44-1 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7778-44-1", "cercla_rq_lbs": "1", "file": "calcium-arsenate.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-arsenate", "regulatory_categories": "1", "source_quote": "Calcium arsenate | 7778-44-1 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium arsenate", "title": "Calcium arsenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium arsenite\n\n**CAS No.:** 52740-16-6\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Calcium arsenite | 52740-16-6 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52740-16-6", "cercla_rq_lbs": "1", "file": "calcium-arsenite.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-arsenite", "regulatory_categories": "1", "source_quote": "Calcium arsenite | 52740-16-6 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium arsenite", "title": "Calcium arsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium carbide\n\n**CAS No.:** 75-20-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Calcium carbide | 75-20-7 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-20-7", "cercla_rq_lbs": "10", "file": "calcium-carbide.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-carbide", "regulatory_categories": "1", "source_quote": "Calcium carbide | 75-20-7 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium carbide", "title": "Calcium carbide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium chromate\n\n**CAS No.:** 13765-19-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U032\n\n**Regulatory categories:** 1,4\n\n> Calcium chromate | 13765-19-0 | 1,4 | U032 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13765-19-0", "cercla_rq_lbs": "10", "file": "calcium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-chromate", "rcra_waste_number": "U032", "regulatory_categories": "1,4", "source_quote": "Calcium chromate | 13765-19-0 | 1,4 | U032 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium chromate", "title": "Calcium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium cyanamide\n\n**CAS No.:** 156-62-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> Calcium cyanamide | 156-62-7 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "156-62-7", "cercla_rq_lbs": "1000", "file": "calcium-cyanamide.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-cyanamide", "regulatory_categories": "3", "source_quote": "Calcium cyanamide | 156-62-7 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium cyanamide", "title": "Calcium cyanamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium cyanide Ca(CN) 2\n\n**CAS No.:** 592-01-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P021\n\n**Regulatory categories:** 1,4\n\n> Calcium cyanide Ca(CN) 2 | 592-01-8 | 1,4 | P021 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "592-01-8", "cercla_rq_lbs": "10", "file": "calcium-cyanide-ca-cn-2.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-cyanide-ca-cn-2", "rcra_waste_number": "P021", "regulatory_categories": "1,4", "source_quote": "Calcium cyanide Ca(CN) 2 | 592-01-8 | 1,4 | P021 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium cyanide Ca(CN) 2", "title": "Calcium cyanide Ca(CN) 2 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium dodecylbenzenesulfonate\n\n**CAS No.:** 26264-06-2\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Calcium dodecylbenzenesulfonate | 26264-06-2 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26264-06-2", "cercla_rq_lbs": "1000", "file": "calcium-dodecylbenzenesulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-dodecylbenzenesulfonate", "regulatory_categories": "1", "source_quote": "Calcium dodecylbenzenesulfonate | 26264-06-2 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium dodecylbenzenesulfonate", "title": "Calcium dodecylbenzenesulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Calcium hypochlorite\n\n**CAS No.:** 7778-54-3\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Calcium hypochlorite | 7778-54-3 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7778-54-3", "cercla_rq_lbs": "10", "file": "calcium-hypochlorite.md", "generated": true, "harvested": "2026-08-05", "id": "calcium-hypochlorite", "regulatory_categories": "1", "source_quote": "Calcium hypochlorite | 7778-54-3 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Calcium hypochlorite", "title": "Calcium hypochlorite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Camphechlor\n\n**CAS No.:** 8001-35-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 8001-35-2 | Camphechlor | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "8001-35-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "camphechlor.md", "generated": true, "harvested": "2026-08-05", "id": "camphechlor", "source_quote": "8001-35-2 | Camphechlor | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Camphechlor", "title": "Camphechlor \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cantharidin\n\n**CAS No.:** 56-25-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 56-25-7 | Cantharidin | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "56-25-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "cantharidin.md", "generated": true, "harvested": "2026-08-05", "id": "cantharidin", "source_quote": "56-25-7 | Cantharidin | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cantharidin", "title": "Cantharidin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Captan\n\n**CAS No.:** 133-06-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,3\n\n> Captan | 133-06-2 | 1,3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "133-06-2", "cercla_rq_lbs": "10", "file": "captan.md", "generated": true, "harvested": "2026-08-05", "id": "captan", "regulatory_categories": "1,3", "source_quote": "Captan | 133-06-2 | 1,3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Captan", "title": "Captan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbachol Chloride\n\n**CAS No.:** 51-83-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 51-83-2 | Carbachol Chloride | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "51-83-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "carbachol-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "carbachol-chloride", "source_quote": "51-83-2 | Carbachol Chloride | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Carbachol Chloride", "title": "Carbachol Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester\n\n**CAS No.:** 23564-05-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U409\n\n**Regulatory categories:** 4\n\n> Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester | 23564-05-8 | 4 | U409 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23564-05-8", "cercla_rq_lbs": "10", "file": "carbamic-acid-1-2-phenylenebis-iminocarbonothioyl-bis-dimethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-1-2-phenylenebis-iminocarbonothioyl-bis-dimethyl-ester", "rcra_waste_number": "U409", "regulatory_categories": "4", "source_quote": "Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester | 23564-05-8 | 4 | U409 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester", "title": "Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, dimethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester\n\n**CAS No.:** 17804-35-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U271\n\n**Regulatory categories:** 4\n\n> Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester | 17804-35-2 | 4 | U271 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "17804-35-2", "cercla_rq_lbs": "10", "file": "carbamic-acid-1-butylamino-carbonyl-1h-benzimidazol-2-yl-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-1-butylamino-carbonyl-1h-benzimidazol-2-yl-methyl-ester", "rcra_waste_number": "U271", "regulatory_categories": "4", "source_quote": "Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester | 17804-35-2 | 4 | U271 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester", "title": "Carbamic acid, [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl]-,methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, 1H-benzimidazol-2-yl, methyl ester\n\n**CAS No.:** 10605-21-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U372\n\n**Regulatory categories:** 4\n\n> Carbamic acid, 1H-benzimidazol-2-yl, methyl ester | 10605-21-7 | 4 | U372 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10605-21-7", "cercla_rq_lbs": "10", "file": "carbamic-acid-1h-benzimidazol-2-yl-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-1h-benzimidazol-2-yl-methyl-ester", "rcra_waste_number": "U372", "regulatory_categories": "4", "source_quote": "Carbamic acid, 1H-benzimidazol-2-yl, methyl ester | 10605-21-7 | 4 | U372 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, 1H-benzimidazol-2-yl, methyl ester", "title": "Carbamic acid, 1H-benzimidazol-2-yl, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester\n\n**CAS No.:** 101-27-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U280\n\n**Regulatory categories:** 4\n\n> Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester | 101-27-9 | 4 | U280 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-27-9", "cercla_rq_lbs": "10", "file": "carbamic-acid-3-chlorophenyl-4-chloro-2-butynyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-3-chlorophenyl-4-chloro-2-butynyl-ester", "rcra_waste_number": "U280", "regulatory_categories": "4", "source_quote": "Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester | 101-27-9 | 4 | U280 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester", "title": "Carbamic acid, (3-chlorophenyl)-, 4-chloro-2-butynyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester\n\n**CAS No.:** 55285-14-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P189\n\n**Regulatory categories:** 4\n\n> Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester | 55285-14-8 | 4 | P189 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55285-14-8", "cercla_rq_lbs": "1000", "file": "carbamic-acid-dibutylamino-thio-methyl-2-3-dihydro-2-2-dimethyl-7-benzofuranyl-e.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-dibutylamino-thio-methyl-2-3-dihydro-2-2-dimethyl-7-benzofuranyl-e", "rcra_waste_number": "P189", "regulatory_categories": "4", "source_quote": "Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester | 55285-14-8 | 4 | P189 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester", "title": "Carbamic acid, [(dibutylamino)-thio]methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester\n\n**CAS No.:** 644-64-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P191\n\n**Regulatory categories:** 4\n\n> Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester | 644-64-4 | 4 | P191 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "644-64-4", "cercla_rq_lbs": "1", "file": "carbamic-acid-dimethyl-1-dimethyl-amino-carbonyl-5-methyl-1h-pyrazol-3-yl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-dimethyl-1-dimethyl-amino-carbonyl-5-methyl-1h-pyrazol-3-yl-ester", "rcra_waste_number": "P191", "regulatory_categories": "4", "source_quote": "Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester | 644-64-4 | 4 | P191 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester", "title": "Carbamic acid, dimethyl-,1-[(dimethyl-amino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester\n\n**CAS No.:** 119-38-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P192\n\n**Regulatory categories:** 4\n\n> Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester | 119-38-0 | 4 | P192 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-38-0", "cercla_rq_lbs": "100", "file": "carbamic-acid-dimethyl-3-methyl-1-1-methylethyl-1h-pyrazol-5-yl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-dimethyl-3-methyl-1-1-methylethyl-1h-pyrazol-5-yl-ester", "rcra_waste_number": "P192", "regulatory_categories": "4", "source_quote": "Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester | 119-38-0 | 4 | P192 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester", "title": "Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, ethyl ester\n\n**CAS No.:** 51-79-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U238\n\n**Regulatory categories:** 3,4\n\n> Carbamic acid, ethyl ester | 51-79-6 | 3,4 | U238 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-79-6", "cercla_rq_lbs": "100", "file": "carbamic-acid-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-ethyl-ester", "rcra_waste_number": "U238", "regulatory_categories": "3,4", "source_quote": "Carbamic acid, ethyl ester | 51-79-6 | 3,4 | U238 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, ethyl ester", "title": "Carbamic acid, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, methyl-, 3-methylphenyl ester\n\n**CAS No.:** 1129-41-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P190\n\n**Regulatory categories:** 4\n\n> Carbamic acid, methyl-, 3-methylphenyl ester | 1129-41-5 | 4 | P190 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1129-41-5", "cercla_rq_lbs": "1000", "file": "carbamic-acid-methyl-3-methylphenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-methyl-3-methylphenyl-ester", "rcra_waste_number": "P190", "regulatory_categories": "4", "source_quote": "Carbamic acid, methyl-, 3-methylphenyl ester | 1129-41-5 | 4 | P190 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, methyl-, 3-methylphenyl ester", "title": "Carbamic acid, methyl-, 3-methylphenyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)-\n\n**CAS No.:** 26419-73-8\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 51-83-2 | Carbachol Chloride | | 500 | 500/10,000 | 26419-73-8 | Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "26419-73-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "carbamic-acid-methyl-o-2-4-dimethyl-1-3-dithiolan-2-yl-methylene-amino.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-methyl-o-2-4-dimethyl-1-3-dithiolan-2-yl-methylene-amino", "source_quote": "100/10,000 | 51-83-2 | Carbachol Chloride | | 500 | 500/10,000 | 26419-73-8 | Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)-", "title": "Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, methylnitroso-, ethyl ester\n\n**CAS No.:** 615-53-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U178\n\n**Regulatory categories:** 4\n\n> Carbamic acid, methylnitroso-, ethyl ester | 615-53-2 | 4 | U178 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "615-53-2", "cercla_rq_lbs": "1", "file": "carbamic-acid-methylnitroso-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-methylnitroso-ethyl-ester", "rcra_waste_number": "U178", "regulatory_categories": "4", "source_quote": "Carbamic acid, methylnitroso-, ethyl ester | 615-53-2 | 4 | U178 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, methylnitroso-, ethyl ester", "title": "Carbamic acid, methylnitroso-, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic acid, phenyl-, 1-methylethyl ester\n\n**CAS No.:** 122-42-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U373\n\n**Regulatory categories:** 4\n\n> Carbamic acid, phenyl-, 1-methylethyl ester | 122-42-9 | 4 | U373 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-42-9", "cercla_rq_lbs": "1000", "file": "carbamic-acid-phenyl-1-methylethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-acid-phenyl-1-methylethyl-ester", "rcra_waste_number": "U373", "regulatory_categories": "4", "source_quote": "Carbamic acid, phenyl-, 1-methylethyl ester | 122-42-9 | 4 | U373 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic acid, phenyl-, 1-methylethyl ester", "title": "Carbamic acid, phenyl-, 1-methylethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamic chloride, dimethyl-\n\n**CAS No.:** 79-44-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U097\n\n**Regulatory categories:** 3,4\n\n> Carbamic chloride, dimethyl- | 79-44-7 | 3,4 | U097 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-44-7", "cercla_rq_lbs": "1", "file": "carbamic-chloride-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "carbamic-chloride-dimethyl", "rcra_waste_number": "U097", "regulatory_categories": "3,4", "source_quote": "Carbamic chloride, dimethyl- | 79-44-7 | 3,4 | U097 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamic chloride, dimethyl-", "title": "Carbamic chloride, dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters\n\n**CAS No.:** 111-54-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U114\n\n**Regulatory categories:** 4\n\n> Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters | 111-54-6 | 4 | U114 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-54-6", "cercla_rq_lbs": "5000", "file": "carbamodithioic-acid-1-2-ethanediylbis-salts-esters.md", "generated": true, "harvested": "2026-08-05", "id": "carbamodithioic-acid-1-2-ethanediylbis-salts-esters", "rcra_waste_number": "U114", "regulatory_categories": "4", "source_quote": "Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters | 111-54-6 | 4 | U114 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters", "title": "Carbamodithioic acid, 1,2-ethanediylbis-, salts & esters \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester\n\n**CAS No.:** 2303-17-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U389\n\n**Regulatory categories:** 4\n\n> Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester | 2303-17-5 | 4 | U389 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2303-17-5", "cercla_rq_lbs": "100", "file": "carbamothioic-acid-bis-1-methylethyl-s-2-3-3-trichloro-2-propenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamothioic-acid-bis-1-methylethyl-s-2-3-3-trichloro-2-propenyl-ester", "rcra_waste_number": "U389", "regulatory_categories": "4", "source_quote": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester | 2303-17-5 | 4 | U389 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester", "title": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester\n\n**CAS No.:** 2303-16-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U062\n\n**Regulatory categories:** 4\n\n> Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester | 2303-16-4 | 4 | U062 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2303-16-4", "cercla_rq_lbs": "100", "file": "carbamothioic-acid-bis-1-methylethyl-s-2-3-dichloro-2-propenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamothioic-acid-bis-1-methylethyl-s-2-3-dichloro-2-propenyl-ester", "rcra_waste_number": "U062", "regulatory_categories": "4", "source_quote": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester | 2303-16-4 | 4 | U062 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester", "title": "Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2- propenyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester\n\n**CAS No.:** 52888-80-9\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U387\n\n**Regulatory categories:** 4\n\n> Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester | 52888-80-9 | 4 | U387 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52888-80-9", "cercla_rq_lbs": "5000", "file": "carbamothioic-acid-dipropyl-s-phenylmethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbamothioic-acid-dipropyl-s-phenylmethyl-ester", "rcra_waste_number": "U387", "regulatory_categories": "4", "source_quote": "Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester | 52888-80-9 | 4 | U387 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester", "title": "Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbaryl\n\n**CAS No.:** 63-25-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U279\n\n**Regulatory categories:** 1,3,4\n\n> Carbaryl | 63-25-2 | 1,3,4 | U279 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "63-25-2", "cercla_rq_lbs": "100", "file": "carbaryl.md", "generated": true, "harvested": "2026-08-05", "id": "carbaryl", "rcra_waste_number": "U279", "regulatory_categories": "1,3,4", "source_quote": "Carbaryl | 63-25-2 | 1,3,4 | U279 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbaryl", "title": "Carbaryl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbendazim\n\n**CAS No.:** 10605-21-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U372\n\n**Regulatory categories:** 4\n\n> Carbendazim | 10605-21-7 | 4 | U372 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10605-21-7", "cercla_rq_lbs": "10", "file": "carbendazim.md", "generated": true, "harvested": "2026-08-05", "id": "carbendazim", "rcra_waste_number": "U372", "regulatory_categories": "4", "source_quote": "Carbendazim | 10605-21-7 | 4 | U372 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbendazim", "title": "Carbendazim \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbofuran\n\n**CAS No.:** 1563-66-2\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 1563-66-2 | Carbofuran | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1563-66-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "carbofuran-2.md", "generated": true, "harvested": "2026-08-05", "id": "carbofuran-2", "source_quote": "1563-66-2 | Carbofuran | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Carbofuran", "title": "Carbofuran \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbofuran phenol\n\n**CAS No.:** 1563-38-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U367\n\n**Regulatory categories:** 4\n\n> Carbofuran phenol | 1563-38-8 | 4 | U367 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1563-38-8", "cercla_rq_lbs": "10", "file": "carbofuran-phenol.md", "generated": true, "harvested": "2026-08-05", "id": "carbofuran-phenol", "rcra_waste_number": "U367", "regulatory_categories": "4", "source_quote": "Carbofuran phenol | 1563-38-8 | 4 | U367 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbofuran phenol", "title": "Carbofuran phenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbofuran\n\n**CAS No.:** 1563-66-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P127\n\n**Regulatory categories:** 1,4\n\n> Carbofuran | 1563-66-2 | 1,4 | P127 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1563-66-2", "cercla_rq_lbs": "10", "file": "carbofuran.md", "generated": true, "harvested": "2026-08-05", "id": "carbofuran", "rcra_waste_number": "P127", "regulatory_categories": "1,4", "source_quote": "Carbofuran | 1563-66-2 | 1,4 | P127 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbofuran", "title": "Carbofuran \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbon Disulfide\n\n**CAS No.:** 75-15-0\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 10/10,000 | 75-15-0 | Carbon Disulfide | f | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-15-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "10,000", "file": "carbon-disulfide-2.md", "generated": true, "harvested": "2026-08-05", "id": "carbon-disulfide-2", "source_quote": "10/10,000 | 75-15-0 | Carbon Disulfide | f | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Carbon Disulfide", "title": "Carbon Disulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbon disulfide\n\n**CAS No.:** 75-15-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P022\n\n**Regulatory categories:** 1,3,4\n\n> Carbon disulfide | 75-15-0 | 1,3,4 | P022 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-15-0", "cercla_rq_lbs": "100", "file": "carbon-disulfide.md", "generated": true, "harvested": "2026-08-05", "id": "carbon-disulfide", "rcra_waste_number": "P022", "regulatory_categories": "1,3,4", "source_quote": "Carbon disulfide | 75-15-0 | 1,3,4 | P022 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbon disulfide", "title": "Carbon disulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbon oxyfluoride\n\n**CAS No.:** 353-50-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U033\n\n**Regulatory categories:** 4\n\n> Carbon oxyfluoride | 353-50-4 | 4 | U033 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "353-50-4", "cercla_rq_lbs": "1000", "file": "carbon-oxyfluoride.md", "generated": true, "harvested": "2026-08-05", "id": "carbon-oxyfluoride", "rcra_waste_number": "U033", "regulatory_categories": "4", "source_quote": "Carbon oxyfluoride | 353-50-4 | 4 | U033 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbon oxyfluoride", "title": "Carbon oxyfluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbon tetrachloride\n\n**CAS No.:** 56-23-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U211\n\n**Regulatory categories:** 1,2,3,4\n\n> Carbon tetrachloride | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-23-5", "cercla_rq_lbs": "10", "file": "carbon-tetrachloride.md", "generated": true, "harvested": "2026-08-05", "id": "carbon-tetrachloride", "rcra_waste_number": "U211", "regulatory_categories": "1,2,3,4", "source_quote": "Carbon tetrachloride | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbon tetrachloride", "title": "Carbon tetrachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbonic acid, dithallium(1 +) salt\n\n**CAS No.:** 6533-73-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U215\n\n**Regulatory categories:** 4\n\n> Carbonic acid, dithallium(1 +) salt | 6533-73-9 | 4 | U215 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "6533-73-9", "cercla_rq_lbs": "100", "file": "carbonic-acid-dithallium-1-salt.md", "generated": true, "harvested": "2026-08-05", "id": "carbonic-acid-dithallium-1-salt", "rcra_waste_number": "U215", "regulatory_categories": "4", "source_quote": "Carbonic acid, dithallium(1 +) salt | 6533-73-9 | 4 | U215 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbonic acid, dithallium(1 +) salt", "title": "Carbonic acid, dithallium(1 +) salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbonic dichloride\n\n**CAS No.:** 75-44-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P095\n\n**Regulatory categories:** 1,3,4\n\n> Carbonic dichloride | 75-44-5 | 1,3,4 | P095 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-44-5", "cercla_rq_lbs": "10", "file": "carbonic-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "carbonic-dichloride", "rcra_waste_number": "P095", "regulatory_categories": "1,3,4", "source_quote": "Carbonic dichloride | 75-44-5 | 1,3,4 | P095 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbonic dichloride", "title": "Carbonic dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbonic difluoride\n\n**CAS No.:** 353-50-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U033\n\n**Regulatory categories:** 4\n\n> Carbonic difluoride | 353-50-4 | 4 | U033 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "353-50-4", "cercla_rq_lbs": "1000", "file": "carbonic-difluoride.md", "generated": true, "harvested": "2026-08-05", "id": "carbonic-difluoride", "rcra_waste_number": "U033", "regulatory_categories": "4", "source_quote": "Carbonic difluoride | 353-50-4 | 4 | U033 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbonic difluoride", "title": "Carbonic difluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbonochloridic acid, methyl ester\n\n**CAS No.:** 79-22-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U156\n\n**Regulatory categories:** 4\n\n> Carbonochloridic acid, methyl ester | 79-22-1 | 4 | U156 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-22-1", "cercla_rq_lbs": "1000", "file": "carbonochloridic-acid-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "carbonochloridic-acid-methyl-ester", "rcra_waste_number": "U156", "regulatory_categories": "4", "source_quote": "Carbonochloridic acid, methyl ester | 79-22-1 | 4 | U156 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbonochloridic acid, methyl ester", "title": "Carbonochloridic acid, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbonyl sulfide\n\n**CAS No.:** 463-58-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Carbonyl sulfide | 463-58-1 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "463-58-1", "cercla_rq_lbs": "100", "file": "carbonyl-sulfide.md", "generated": true, "harvested": "2026-08-05", "id": "carbonyl-sulfide", "regulatory_categories": "3", "source_quote": "Carbonyl sulfide | 463-58-1 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbonyl sulfide", "title": "Carbonyl sulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbophenothion\n\n**CAS No.:** 786-19-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 786-19-6 | Carbophenothion | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "786-19-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "carbophenothion.md", "generated": true, "harvested": "2026-08-05", "id": "carbophenothion", "source_quote": "786-19-6 | Carbophenothion | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Carbophenothion", "title": "Carbophenothion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Carbosulfan\n\n**CAS No.:** 55285-14-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P189\n\n**Regulatory categories:** 4\n\n> Carbosulfan | 55285-14-8 | 4 | P189 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55285-14-8", "cercla_rq_lbs": "1000", "file": "carbosulfan.md", "generated": true, "harvested": "2026-08-05", "id": "carbosulfan", "rcra_waste_number": "P189", "regulatory_categories": "4", "source_quote": "Carbosulfan | 55285-14-8 | 4 | P189 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Carbosulfan", "title": "Carbosulfan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Catechol\n\n**CAS No.:** 120-80-9\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Catechol | 120-80-9 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-80-9", "cercla_rq_lbs": "100", "file": "catechol.md", "generated": true, "harvested": "2026-08-05", "id": "catechol", "regulatory_categories": "3", "source_quote": "Catechol | 120-80-9 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Catechol", "title": "Catechol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloral\n\n**CAS No.:** 75-87-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U034\n\n**Regulatory categories:** 4\n\n> Chloral | 75-87-6 | 4 | U034 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-87-6", "cercla_rq_lbs": "5000", "file": "chloral.md", "generated": true, "harvested": "2026-08-05", "id": "chloral", "rcra_waste_number": "U034", "regulatory_categories": "4", "source_quote": "Chloral | 75-87-6 | 4 | U034 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloral", "title": "Chloral \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloramben\n\n**CAS No.:** 133-90-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Chloramben | 133-90-4 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "133-90-4", "cercla_rq_lbs": "100", "file": "chloramben.md", "generated": true, "harvested": "2026-08-05", "id": "chloramben", "regulatory_categories": "3", "source_quote": "Chloramben | 133-90-4 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloramben", "title": "Chloramben \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorambucil\n\n**CAS No.:** 305-03-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U035\n\n**Regulatory categories:** 4\n\n> Chlorambucil | 305-03-3 | 4 | U035 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "305-03-3", "cercla_rq_lbs": "10", "file": "chlorambucil.md", "generated": true, "harvested": "2026-08-05", "id": "chlorambucil", "rcra_waste_number": "U035", "regulatory_categories": "4", "source_quote": "Chlorambucil | 305-03-3 | 4 | U035 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorambucil", "title": "Chlorambucil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlordane\n\n**CAS No.:** 57-74-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1\n\n> 57-74-9 | Chlordane | | 1 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-74-9", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1,000", "file": "chlordane-2.md", "generated": true, "harvested": "2026-08-05", "id": "chlordane-2", "source_quote": "57-74-9 | Chlordane | | 1 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlordane", "title": "Chlordane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** CHLORDANE (TECHNICAL MIXTURE AND METABOLITES)\n\n**CAS No.:** 57-74-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U036\n\n**Regulatory categories:** 1,2,3,4\n\n> CHLORDANE (TECHNICAL MIXTURE AND METABOLITES) | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-74-9", "cercla_rq_lbs": "1", "file": "chlordane-technical-mixture-and-metabolites.md", "generated": true, "harvested": "2026-08-05", "id": "chlordane-technical-mixture-and-metabolites", "rcra_waste_number": "U036", "regulatory_categories": "1,2,3,4", "source_quote": "CHLORDANE (TECHNICAL MIXTURE AND METABOLITES) | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "CHLORDANE (TECHNICAL MIXTURE AND METABOLITES)", "title": "CHLORDANE (TECHNICAL MIXTURE AND METABOLITES) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlordane\n\n**CAS No.:** 57-74-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U036\n\n**Regulatory categories:** 1,2,3,4\n\n> Chlordane | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-74-9", "cercla_rq_lbs": "1", "file": "chlordane.md", "generated": true, "harvested": "2026-08-05", "id": "chlordane", "rcra_waste_number": "U036", "regulatory_categories": "1,2,3,4", "source_quote": "Chlordane | 57-74-9 | 1,2,3,4 | U036 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlordane", "title": "Chlordane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorfenvinfos\n\n**CAS No.:** 470-90-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 470-90-6 | Chlorfenvinfos | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "470-90-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "chlorfenvinfos.md", "generated": true, "harvested": "2026-08-05", "id": "chlorfenvinfos", "source_quote": "470-90-6 | Chlorfenvinfos | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlorfenvinfos", "title": "Chlorfenvinfos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorinated camphene\n\n**CAS No.:** 8001-35-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P123\n\n**Regulatory categories:** 1,2,3,4\n\n> Chlorinated camphene | 8001-35-2 | 1,2,3,4 | P123 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "8001-35-2", "cercla_rq_lbs": "1", "file": "chlorinated-camphene.md", "generated": true, "harvested": "2026-08-05", "id": "chlorinated-camphene", "rcra_waste_number": "P123", "regulatory_categories": "1,2,3,4", "source_quote": "Chlorinated camphene | 8001-35-2 | 1,2,3,4 | P123 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorinated camphene", "title": "Chlorinated camphene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorine\n\n**CAS No.:** 7782-50-5\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 7782-50-5 | Chlorine | | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7782-50-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "chlorine-2.md", "generated": true, "harvested": "2026-08-05", "id": "chlorine-2", "source_quote": "7782-50-5 | Chlorine | | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlorine", "title": "Chlorine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorine\n\n**CAS No.:** 7782-50-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,3\n\n> Chlorine | 7782-50-5 | 1,3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7782-50-5", "cercla_rq_lbs": "10", "file": "chlorine.md", "generated": true, "harvested": "2026-08-05", "id": "chlorine", "regulatory_categories": "1,3", "source_quote": "Chlorine | 7782-50-5 | 1,3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorine", "title": "Chlorine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlormephos\n\n**CAS No.:** 24934-91-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 24934-91-6 | Chlormephos | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "24934-91-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "chlormephos.md", "generated": true, "harvested": "2026-08-05", "id": "chlormephos", "source_quote": "24934-91-6 | Chlormephos | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlormephos", "title": "Chlormephos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlormequat Chloride\n\n**CAS No.:** 999-81-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 999-81-5 | Chlormequat Chloride | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "999-81-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "chlormequat-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "chlormequat-chloride", "source_quote": "999-81-5 | Chlormequat Chloride | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlormequat Chloride", "title": "Chlormequat Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlornaphazine\n\n**CAS No.:** 494-03-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U026\n\n**Regulatory categories:** 4\n\n> Chlornaphazine | 494-03-1 | 4 | U026 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "494-03-1", "cercla_rq_lbs": "100", "file": "chlornaphazine.md", "generated": true, "harvested": "2026-08-05", "id": "chlornaphazine", "rcra_waste_number": "U026", "regulatory_categories": "4", "source_quote": "Chlornaphazine | 494-03-1 | 4 | U026 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlornaphazine", "title": "Chlornaphazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroacetaldehyde\n\n**CAS No.:** 107-20-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P023\n\n**Regulatory categories:** 4\n\n> Chloroacetaldehyde | 107-20-0 | 4 | P023 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-20-0", "cercla_rq_lbs": "1000", "file": "chloroacetaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "chloroacetaldehyde", "rcra_waste_number": "P023", "regulatory_categories": "4", "source_quote": "Chloroacetaldehyde | 107-20-0 | 4 | P023 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloroacetaldehyde", "title": "Chloroacetaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroacetic Acid\n\n**CAS No.:** 79-11-8\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 79-11-8 | Chloroacetic Acid | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "79-11-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "chloroacetic-acid-2.md", "generated": true, "harvested": "2026-08-05", "id": "chloroacetic-acid-2", "source_quote": "100/10,000 | 79-11-8 | Chloroacetic Acid | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloroacetic Acid", "title": "Chloroacetic Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroacetic acid\n\n**CAS No.:** 79-11-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Chloroacetic acid | 79-11-8 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-11-8", "cercla_rq_lbs": "100", "file": "chloroacetic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "chloroacetic-acid", "regulatory_categories": "3", "source_quote": "Chloroacetic acid | 79-11-8 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloroacetic acid", "title": "Chloroacetic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorobenzene\n\n**CAS No.:** 108-90-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U037\n\n**Regulatory categories:** 1,2,3,4\n\n> Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-90-7", "cercla_rq_lbs": "100", "file": "chlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "chlorobenzene", "rcra_waste_number": "U037", "regulatory_categories": "1,2,3,4", "source_quote": "Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorobenzene", "title": "Chlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorobenzilate\n\n**CAS No.:** 510-15-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U038\n\n**Regulatory categories:** 3,4\n\n> Chlorobenzilate | 510-15-6 | 3,4 | U038 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "510-15-6", "cercla_rq_lbs": "10", "file": "chlorobenzilate.md", "generated": true, "harvested": "2026-08-05", "id": "chlorobenzilate", "rcra_waste_number": "U038", "regulatory_categories": "3,4", "source_quote": "Chlorobenzilate | 510-15-6 | 3,4 | U038 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorobenzilate", "title": "Chlorobenzilate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorodibromomethane\n\n**CAS No.:** 124-48-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> Chlorodibromomethane | 124-48-1 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "124-48-1", "cercla_rq_lbs": "100", "file": "chlorodibromomethane.md", "generated": true, "harvested": "2026-08-05", "id": "chlorodibromomethane", "regulatory_categories": "2", "source_quote": "Chlorodibromomethane | 124-48-1 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorodibromomethane", "title": "Chlorodibromomethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroethane\n\n**CAS No.:** 75-00-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2,3\n\n> Chloroethane | 75-00-3 | 2,3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-00-3", "cercla_rq_lbs": "100", "file": "chloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "chloroethane", "regulatory_categories": "2,3", "source_quote": "Chloroethane | 75-00-3 | 2,3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloroethane", "title": "Chloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroethanol\n\n**CAS No.:** 107-07-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 107-07-3 | Chloroethanol | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-07-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "chloroethanol.md", "generated": true, "harvested": "2026-08-05", "id": "chloroethanol", "source_quote": "107-07-3 | Chloroethanol | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloroethanol", "title": "Chloroethanol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroethyl Chloroformate\n\n**CAS No.:** 627-11-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 627-11-2 | Chloroethyl Chloroformate | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "627-11-2", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "chloroethyl-chloroformate.md", "generated": true, "harvested": "2026-08-05", "id": "chloroethyl-chloroformate", "source_quote": "627-11-2 | Chloroethyl Chloroformate | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloroethyl Chloroformate", "title": "Chloroethyl Chloroformate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroform\n\n**CAS No.:** 67-66-3\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 10\n\n> Chloroethyl Chloroformate | | 1,000 | 1,000 | 67-66-3 | Chloroform | f | 10 | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "67-66-3", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10,000", "file": "chloroform-2.md", "generated": true, "harvested": "2026-08-05", "id": "chloroform-2", "source_quote": "Chloroethyl Chloroformate | | 1,000 | 1,000 | 67-66-3 | Chloroform | f | 10 | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloroform", "title": "Chloroform \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroform\n\n**CAS No.:** 67-66-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U044\n\n**Regulatory categories:** 1,2,3,4\n\n> Chloroform | 67-66-3 | 1,2,3,4 | U044 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-66-3", "cercla_rq_lbs": "10", "file": "chloroform.md", "generated": true, "harvested": "2026-08-05", "id": "chloroform", "rcra_waste_number": "U044", "regulatory_categories": "1,2,3,4", "source_quote": "Chloroform | 67-66-3 | 1,2,3,4 | U044 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloroform", "title": "Chloroform \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloromethane\n\n**CAS No.:** 74-87-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U045\n\n**Regulatory categories:** 2,3,4\n\n> Chloromethane | 74-87-3 | 2,3,4 | U045 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-87-3", "cercla_rq_lbs": "100", "file": "chloromethane.md", "generated": true, "harvested": "2026-08-05", "id": "chloromethane", "rcra_waste_number": "U045", "regulatory_categories": "2,3,4", "source_quote": "Chloromethane | 74-87-3 | 2,3,4 | U045 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloromethane", "title": "Chloromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloromethyl Ether\n\n**CAS No.:** 542-88-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 10,000 | 542-88-1 | Chloromethyl Ether | d | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "542-88-1", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "chloromethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "chloromethyl-ether", "source_quote": "10,000 | 542-88-1 | Chloromethyl Ether | d | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloromethyl Ether", "title": "Chloromethyl Ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloromethyl Methyl Ether\n\n**CAS No.:** 107-30-2\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 100 | 107-30-2 | Chloromethyl Methyl Ether |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-30-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "chloromethyl-methyl-ether-2.md", "generated": true, "harvested": "2026-08-05", "id": "chloromethyl-methyl-ether-2", "source_quote": "10 | 100 | 107-30-2 | Chloromethyl Methyl Ether |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloromethyl Methyl Ether", "title": "Chloromethyl Methyl Ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloromethyl methyl ether\n\n**CAS No.:** 107-30-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U046\n\n**Regulatory categories:** 3,4\n\n> Chloromethyl methyl ether | 107-30-2 | 3,4 | U046 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-30-2", "cercla_rq_lbs": "10", "file": "chloromethyl-methyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "chloromethyl-methyl-ether", "rcra_waste_number": "U046", "regulatory_categories": "3,4", "source_quote": "Chloromethyl methyl ether | 107-30-2 | 3,4 | U046 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloromethyl methyl ether", "title": "Chloromethyl methyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorophacinone\n\n**CAS No.:** 3691-35-8\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 3691-35-8 | Chlorophacinone | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3691-35-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "chlorophacinone.md", "generated": true, "harvested": "2026-08-05", "id": "chlorophacinone", "source_quote": "100 | 3691-35-8 | Chlorophacinone | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlorophacinone", "title": "Chlorophacinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroprene\n\n**CAS No.:** 126-99-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Chloroprene | 126-99-8 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "126-99-8", "cercla_rq_lbs": "100", "file": "chloroprene.md", "generated": true, "harvested": "2026-08-05", "id": "chloroprene", "regulatory_categories": "3", "source_quote": "Chloroprene | 126-99-8 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chloroprene", "title": "Chloroprene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorosulfonic acid\n\n**CAS No.:** 7790-94-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Chlorosulfonic acid | 7790-94-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7790-94-5", "cercla_rq_lbs": "1000", "file": "chlorosulfonic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "chlorosulfonic-acid", "regulatory_categories": "1", "source_quote": "Chlorosulfonic acid | 7790-94-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorosulfonic acid", "title": "Chlorosulfonic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chloroxuron\n\n**CAS No.:** 1982-47-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 1982-47-4 | Chloroxuron | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1982-47-4", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "chloroxuron.md", "generated": true, "harvested": "2026-08-05", "id": "chloroxuron", "source_quote": "1982-47-4 | Chloroxuron | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chloroxuron", "title": "Chloroxuron \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorpyrifos\n\n**CAS No.:** 2921-88-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Chlorpyrifos | 2921-88-2 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2921-88-2", "cercla_rq_lbs": "1", "file": "chlorpyrifos.md", "generated": true, "harvested": "2026-08-05", "id": "chlorpyrifos", "regulatory_categories": "1", "source_quote": "Chlorpyrifos | 2921-88-2 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chlorpyrifos", "title": "Chlorpyrifos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chlorthiophos\n\n**CAS No.:** 21923-23-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 21923-23-9 | Chlorthiophos | d | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "21923-23-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "chlorthiophos.md", "generated": true, "harvested": "2026-08-05", "id": "chlorthiophos", "source_quote": "21923-23-9 | Chlorthiophos | d | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chlorthiophos", "title": "Chlorthiophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromic acetate\n\n**CAS No.:** 1066-30-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Chromic acetate | 1066-30-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1066-30-4", "cercla_rq_lbs": "1000", "file": "chromic-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "chromic-acetate", "regulatory_categories": "1", "source_quote": "Chromic acetate | 1066-30-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromic acetate", "title": "Chromic acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromic acid H 2 CrO 4 , calcium salt\n\n**CAS No.:** 13765-19-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U032\n\n**Regulatory categories:** 1,4\n\n> Chromic acid H 2 CrO 4 , calcium salt | 13765-19-0 | 1,4 | U032 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13765-19-0", "cercla_rq_lbs": "10", "file": "chromic-acid-h-2-cro-4-calcium-salt.md", "generated": true, "harvested": "2026-08-05", "id": "chromic-acid-h-2-cro-4-calcium-salt", "rcra_waste_number": "U032", "regulatory_categories": "1,4", "source_quote": "Chromic acid H 2 CrO 4 , calcium salt | 13765-19-0 | 1,4 | U032 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromic acid H 2 CrO 4 , calcium salt", "title": "Chromic acid H 2 CrO 4 , calcium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromic acid\n\n**CAS No.:** 7738-94-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Chromic acid | 7738-94-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7738-94-5", "cercla_rq_lbs": "10", "file": "chromic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "chromic-acid", "regulatory_categories": "1", "source_quote": "Chromic acid | 7738-94-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromic acid", "title": "Chromic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromic Chloride\n\n**CAS No.:** 10025-73-7\n\n**EPCRA TPQ (lbs):** 1/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 10025-73-7 | Chromic Chloride | | 1 | 1/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10025-73-7", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1/10,000", "file": "chromic-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "chromic-chloride", "source_quote": "10025-73-7 | Chromic Chloride | | 1 | 1/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Chromic Chloride", "title": "Chromic Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromic sulfate\n\n**CAS No.:** 10101-53-8\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Chromic sulfate | 10101-53-8 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10101-53-8", "cercla_rq_lbs": "1000", "file": "chromic-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "chromic-sulfate", "regulatory_categories": "1", "source_quote": "Chromic sulfate | 10101-53-8 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromic sulfate", "title": "Chromic sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromium III\n\n**CAS No.:** 7440-47-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Chromium III | 7440-47-3 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-47-3", "cercla_rq_lbs": "5000", "file": "chromium-iii.md", "generated": true, "harvested": "2026-08-05", "id": "chromium-iii", "regulatory_categories": "2", "source_quote": "Chromium III | 7440-47-3 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromium III", "title": "Chromium III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chromous chloride\n\n**CAS No.:** 10049-05-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Chromous chloride | 10049-05-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10049-05-5", "cercla_rq_lbs": "1000", "file": "chromous-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "chromous-chloride", "regulatory_categories": "1", "source_quote": "Chromous chloride | 10049-05-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chromous chloride", "title": "Chromous chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Chrysene\n\n**CAS No.:** 218-01-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U050\n\n**Regulatory categories:** 2,4\n\n> Chrysene | 218-01-9 | 2,4 | U050 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "218-01-9", "cercla_rq_lbs": "100", "file": "chrysene.md", "generated": true, "harvested": "2026-08-05", "id": "chrysene", "rcra_waste_number": "U050", "regulatory_categories": "2,4", "source_quote": "Chrysene | 218-01-9 | 2,4 | U050 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Chrysene", "title": "Chrysene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cobalt, ((2,2\u2032-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N\u2032,O,O\u2032)-\n\n**CAS No.:** 62207-76-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 62207-76-5 | Cobalt, ((2,2\u2032-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N\u2032,O,O\u2032)- | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62207-76-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "cobalt-2-2-1-2-ethanediylbis-nitrilomethylidyne-bis-6-fluorophenolato-2-n-n-o-o.md", "generated": true, "harvested": "2026-08-05", "id": "cobalt-2-2-1-2-ethanediylbis-nitrilomethylidyne-bis-6-fluorophenolato-2-n-n-o-o", "source_quote": "62207-76-5 | Cobalt, ((2,2\u2032-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N\u2032,O,O\u2032)- | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cobalt, ((2,2\u2032-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N\u2032,O,O\u2032)-", "title": "Cobalt, ((2,2\u2032-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N\u2032,O,O\u2032)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cobalt Carbonyl\n\n**CAS No.:** 10210-68-1\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 100/10,000 | 10210-68-1 | Cobalt Carbonyl | d | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10210-68-1", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "cobalt-carbonyl.md", "generated": true, "harvested": "2026-08-05", "id": "cobalt-carbonyl", "source_quote": "100/10,000 | 10210-68-1 | Cobalt Carbonyl | d | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cobalt Carbonyl", "title": "Cobalt Carbonyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cobaltous bromide\n\n**CAS No.:** 7789-43-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Cobaltous bromide | 7789-43-7 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-43-7", "cercla_rq_lbs": "1000", "file": "cobaltous-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "cobaltous-bromide", "regulatory_categories": "1", "source_quote": "Cobaltous bromide | 7789-43-7 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cobaltous bromide", "title": "Cobaltous bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cobaltous formate\n\n**CAS No.:** 544-18-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Cobaltous formate | 544-18-3 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "544-18-3", "cercla_rq_lbs": "1000", "file": "cobaltous-formate.md", "generated": true, "harvested": "2026-08-05", "id": "cobaltous-formate", "regulatory_categories": "1", "source_quote": "Cobaltous formate | 544-18-3 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cobaltous formate", "title": "Cobaltous formate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cobaltous sulfamate\n\n**CAS No.:** 14017-41-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Cobaltous sulfamate | 14017-41-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "14017-41-5", "cercla_rq_lbs": "1000", "file": "cobaltous-sulfamate.md", "generated": true, "harvested": "2026-08-05", "id": "cobaltous-sulfamate", "regulatory_categories": "1", "source_quote": "Cobaltous sulfamate | 14017-41-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cobaltous sulfamate", "title": "Cobaltous sulfamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Colchicine\n\n**CAS No.:** 64-86-8\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10/10,000 | 64-86-8 | Colchicine | d | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "64-86-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "colchicine.md", "generated": true, "harvested": "2026-08-05", "id": "colchicine", "source_quote": "10/10,000 | 64-86-8 | Colchicine | d | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Colchicine", "title": "Colchicine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Copper cyanide Cu(CN)\n\n**CAS No.:** 544-92-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P029\n\n**Regulatory categories:** 4\n\n> Copper cyanide Cu(CN) | 544-92-3 | 4 | P029 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "544-92-3", "cercla_rq_lbs": "10", "file": "copper-cyanide-cu-cn.md", "generated": true, "harvested": "2026-08-05", "id": "copper-cyanide-cu-cn", "rcra_waste_number": "P029", "regulatory_categories": "4", "source_quote": "Copper cyanide Cu(CN) | 544-92-3 | 4 | P029 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Copper cyanide Cu(CN)", "title": "Copper cyanide Cu(CN) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Copper III\n\n**CAS No.:** 7440-50-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Copper III | 7440-50-8 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-50-8", "cercla_rq_lbs": "5000", "file": "copper-iii.md", "generated": true, "harvested": "2026-08-05", "id": "copper-iii", "regulatory_categories": "2", "source_quote": "Copper III | 7440-50-8 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Copper III", "title": "Copper III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Coumaphos\n\n**CAS No.:** 56-72-4\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 56-72-4 | Coumaphos | | 10 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "56-72-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100/10,000", "file": "coumaphos-2.md", "generated": true, "harvested": "2026-08-05", "id": "coumaphos-2", "source_quote": "56-72-4 | Coumaphos | | 10 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Coumaphos", "title": "Coumaphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Coumaphos\n\n**CAS No.:** 56-72-4\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Coumaphos | 56-72-4 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-72-4", "cercla_rq_lbs": "10", "file": "coumaphos.md", "generated": true, "harvested": "2026-08-05", "id": "coumaphos", "regulatory_categories": "1", "source_quote": "Coumaphos | 56-72-4 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Coumaphos", "title": "Coumaphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Coumatetralyl\n\n**CAS No.:** 5836-29-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 5836-29-3 | Coumatetralyl | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "5836-29-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "coumatetralyl.md", "generated": true, "harvested": "2026-08-05", "id": "coumatetralyl", "source_quote": "5836-29-3 | Coumatetralyl | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Coumatetralyl", "title": "Coumatetralyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cresol (cresylic acid)\n\n**CAS No.:** 1319-77-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U052\n\n**Regulatory categories:** 1,3,4\n\n> Cresol (cresylic acid) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1319-77-3", "cercla_rq_lbs": "100", "file": "cresol-cresylic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "cresol-cresylic-acid", "rcra_waste_number": "U052", "regulatory_categories": "1,3,4", "source_quote": "Cresol (cresylic acid) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cresol (cresylic acid)", "title": "Cresol (cresylic acid) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cresol, o-\n\n**CAS No.:** 95-48-7\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 95-48-7 | Cresol, o- | | 100 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "95-48-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "1,000/10,000", "file": "cresol-o.md", "generated": true, "harvested": "2026-08-05", "id": "cresol-o", "source_quote": "95-48-7 | Cresol, o- | | 100 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cresol, o-", "title": "Cresol, o- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cresols (isomers and mixture)\n\n**CAS No.:** 1319-77-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U052\n\n**Regulatory categories:** 1,3,4\n\n> Cresols (isomers and mixture) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1319-77-3", "cercla_rq_lbs": "100", "file": "cresols-isomers-and-mixture.md", "generated": true, "harvested": "2026-08-05", "id": "cresols-isomers-and-mixture", "rcra_waste_number": "U052", "regulatory_categories": "1,3,4", "source_quote": "Cresols (isomers and mixture) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cresols (isomers and mixture)", "title": "Cresols (isomers and mixture) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cresylic acid (isomers and mixture)\n\n**CAS No.:** 1319-77-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U052\n\n**Regulatory categories:** 1,3,4\n\n> Cresylic acid (isomers and mixture) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1319-77-3", "cercla_rq_lbs": "100", "file": "cresylic-acid-isomers-and-mixture.md", "generated": true, "harvested": "2026-08-05", "id": "cresylic-acid-isomers-and-mixture", "rcra_waste_number": "U052", "regulatory_categories": "1,3,4", "source_quote": "Cresylic acid (isomers and mixture) | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cresylic acid (isomers and mixture)", "title": "Cresylic acid (isomers and mixture) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Crimidine\n\n**CAS No.:** 535-89-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 535-89-7 | Crimidine | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "535-89-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "crimidine.md", "generated": true, "harvested": "2026-08-05", "id": "crimidine", "source_quote": "535-89-7 | Crimidine | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Crimidine", "title": "Crimidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Crotonaldehyde, (E)-\n\n**CAS No.:** 123-73-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 1,000 | 123-73-9 | Crotonaldehyde, (E)- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "123-73-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "1,000", "file": "crotonaldehyde-e.md", "generated": true, "harvested": "2026-08-05", "id": "crotonaldehyde-e", "source_quote": "100 | 1,000 | 123-73-9 | Crotonaldehyde, (E)- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Crotonaldehyde, (E)-", "title": "Crotonaldehyde, (E)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Crotonaldehyde\n\n**CAS No.:** 4170-30-3\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 100\n\n> 4170-30-3 | Crotonaldehyde | | 100 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4170-30-3", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "1,000", "file": "crotonaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "crotonaldehyde", "source_quote": "4170-30-3 | Crotonaldehyde | | 100 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Crotonaldehyde", "title": "Crotonaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cumene\n\n**CAS No.:** 98-82-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U055\n\n**Regulatory categories:** 3,4\n\n> Cumene | 98-82-8 | 3,4 | U055 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-82-8", "cercla_rq_lbs": "5000", "file": "cumene.md", "generated": true, "harvested": "2026-08-05", "id": "cumene", "rcra_waste_number": "U055", "regulatory_categories": "3,4", "source_quote": "Cumene | 98-82-8 | 3,4 | U055 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cumene", "title": "Cumene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric acetate\n\n**CAS No.:** 142-71-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Cupric acetate | 142-71-2 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "142-71-2", "cercla_rq_lbs": "100", "file": "cupric-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-acetate", "regulatory_categories": "1", "source_quote": "Cupric acetate | 142-71-2 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric acetate", "title": "Cupric acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric acetoarsenite\n\n**CAS No.:** 12002-03-8\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Cupric acetoarsenite | 12002-03-8 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12002-03-8", "cercla_rq_lbs": "1", "file": "cupric-acetoarsenite.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-acetoarsenite", "regulatory_categories": "1", "source_quote": "Cupric acetoarsenite | 12002-03-8 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric acetoarsenite", "title": "Cupric acetoarsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric chloride\n\n**CAS No.:** 7447-39-4\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Cupric chloride | 7447-39-4 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7447-39-4", "cercla_rq_lbs": "10", "file": "cupric-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-chloride", "regulatory_categories": "1", "source_quote": "Cupric chloride | 7447-39-4 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric chloride", "title": "Cupric chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric nitrate\n\n**CAS No.:** 3251-23-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Cupric nitrate | 3251-23-8 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3251-23-8", "cercla_rq_lbs": "100", "file": "cupric-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-nitrate", "regulatory_categories": "1", "source_quote": "Cupric nitrate | 3251-23-8 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric nitrate", "title": "Cupric nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric oxalate\n\n**CAS No.:** 55671-32-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Cupric oxalate | 55671-32-4 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55671-32-4", "cercla_rq_lbs": "100", "file": "cupric-oxalate.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-oxalate", "regulatory_categories": "1", "source_quote": "Cupric oxalate | 55671-32-4 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric oxalate", "title": "Cupric oxalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric sulfate, ammoniated\n\n**CAS No.:** 10380-29-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Cupric sulfate, ammoniated | 10380-29-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10380-29-7", "cercla_rq_lbs": "100", "file": "cupric-sulfate-ammoniated.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-sulfate-ammoniated", "regulatory_categories": "1", "source_quote": "Cupric sulfate, ammoniated | 10380-29-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric sulfate, ammoniated", "title": "Cupric sulfate, ammoniated \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric sulfate\n\n**CAS No.:** 7758-98-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Cupric sulfate | 7758-98-7 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7758-98-7", "cercla_rq_lbs": "10", "file": "cupric-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-sulfate", "regulatory_categories": "1", "source_quote": "Cupric sulfate | 7758-98-7 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric sulfate", "title": "Cupric sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cupric tartrate\n\n**CAS No.:** 815-82-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Cupric tartrate | 815-82-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "815-82-7", "cercla_rq_lbs": "100", "file": "cupric-tartrate.md", "generated": true, "harvested": "2026-08-05", "id": "cupric-tartrate", "regulatory_categories": "1", "source_quote": "Cupric tartrate | 815-82-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cupric tartrate", "title": "Cupric tartrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanogen bromide (CN)Br\n\n**CAS No.:** 506-68-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U246\n\n**Regulatory categories:** 4\n\n> Cyanogen bromide (CN)Br | 506-68-3 | 4 | U246 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-68-3", "cercla_rq_lbs": "1000", "file": "cyanogen-bromide-cn-br.md", "generated": true, "harvested": "2026-08-05", "id": "cyanogen-bromide-cn-br", "rcra_waste_number": "U246", "regulatory_categories": "4", "source_quote": "Cyanogen bromide (CN)Br | 506-68-3 | 4 | U246 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyanogen bromide (CN)Br", "title": "Cyanogen bromide (CN)Br \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanogen Bromide\n\n**CAS No.:** 506-68-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1,000 | 506-68-3 | Cyanogen Bromide | | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "506-68-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "cyanogen-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "cyanogen-bromide", "source_quote": "1,000 | 506-68-3 | Cyanogen Bromide | | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cyanogen Bromide", "title": "Cyanogen Bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanogen chloride (CN)Cl\n\n**CAS No.:** 506-77-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P033\n\n**Regulatory categories:** 1,4\n\n> Cyanogen chloride (CN)Cl | 506-77-4 | 1,4 | P033 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-77-4", "cercla_rq_lbs": "10", "file": "cyanogen-chloride-cn-cl.md", "generated": true, "harvested": "2026-08-05", "id": "cyanogen-chloride-cn-cl", "rcra_waste_number": "P033", "regulatory_categories": "1,4", "source_quote": "Cyanogen chloride (CN)Cl | 506-77-4 | 1,4 | P033 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyanogen chloride (CN)Cl", "title": "Cyanogen chloride (CN)Cl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanogen Iodide\n\n**CAS No.:** 506-78-5\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 506-78-5 | Cyanogen Iodide | | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "506-78-5", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "cyanogen-iodide.md", "generated": true, "harvested": "2026-08-05", "id": "cyanogen-iodide", "source_quote": "506-78-5 | Cyanogen Iodide | | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cyanogen Iodide", "title": "Cyanogen Iodide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanogen\n\n**CAS No.:** 460-19-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P031\n\n**Regulatory categories:** 4\n\n> Cyanogen | 460-19-5 | 4 | P031 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "460-19-5", "cercla_rq_lbs": "100", "file": "cyanogen.md", "generated": true, "harvested": "2026-08-05", "id": "cyanogen", "rcra_waste_number": "P031", "regulatory_categories": "4", "source_quote": "Cyanogen | 460-19-5 | 4 | P031 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyanogen", "title": "Cyanogen \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanophos\n\n**CAS No.:** 2636-26-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2636-26-2 | Cyanophos | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2636-26-2", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "cyanophos.md", "generated": true, "harvested": "2026-08-05", "id": "cyanophos", "source_quote": "2636-26-2 | Cyanophos | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cyanophos", "title": "Cyanophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyanuric Fluoride\n\n**CAS No.:** 675-14-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 675-14-9 | Cyanuric Fluoride | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "675-14-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "cyanuric-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "cyanuric-fluoride", "source_quote": "675-14-9 | Cyanuric Fluoride | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cyanuric Fluoride", "title": "Cyanuric Fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1\u03b1, 2\u03b1, 3\u03b2-, 4\u03b1, 5\u03b1, 6\u03b2)\n\n**CAS No.:** 58-89-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U129\n\n**Regulatory categories:** 1,2,3,4\n\n> Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1\u03b1, 2\u03b1, 3\u03b2-, 4\u03b1, 5\u03b1, 6\u03b2) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-89-9", "cercla_rq_lbs": "1", "file": "cyclohexane-1-2-3-4-5-6-hexachloro-1-2-3-4-5-6.md", "generated": true, "harvested": "2026-08-05", "id": "cyclohexane-1-2-3-4-5-6-hexachloro-1-2-3-4-5-6", "rcra_waste_number": "U129", "regulatory_categories": "1,2,3,4", "source_quote": "Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1\u03b1, 2\u03b1, 3\u03b2-, 4\u03b1, 5\u03b1, 6\u03b2) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1\u03b1, 2\u03b1, 3\u03b2-, 4\u03b1, 5\u03b1, 6\u03b2)", "title": "Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1\u03b1, 2\u03b1, 3\u03b2-, 4\u03b1, 5\u03b1, 6\u03b2) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyclohexane\n\n**CAS No.:** 110-82-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U056\n\n**Regulatory categories:** 1,4\n\n> Cyclohexane | 110-82-7 | 1,4 | U056 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-82-7", "cercla_rq_lbs": "1000", "file": "cyclohexane.md", "generated": true, "harvested": "2026-08-05", "id": "cyclohexane", "rcra_waste_number": "U056", "regulatory_categories": "1,4", "source_quote": "Cyclohexane | 110-82-7 | 1,4 | U056 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyclohexane", "title": "Cyclohexane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyclohexanone\n\n**CAS No.:** 108-94-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U057\n\n**Regulatory categories:** 4\n\n> Cyclohexanone | 108-94-1 | 4 | U057 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-94-1", "cercla_rq_lbs": "5000", "file": "cyclohexanone.md", "generated": true, "harvested": "2026-08-05", "id": "cyclohexanone", "rcra_waste_number": "U057", "regulatory_categories": "4", "source_quote": "Cyclohexanone | 108-94-1 | 4 | U057 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyclohexanone", "title": "Cyclohexanone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cycloheximide\n\n**CAS No.:** 66-81-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 66-81-9 | Cycloheximide | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "66-81-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "cycloheximide.md", "generated": true, "harvested": "2026-08-05", "id": "cycloheximide", "source_quote": "100 | 66-81-9 | Cycloheximide | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cycloheximide", "title": "Cycloheximide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyclohexylamine\n\n**CAS No.:** 108-91-8\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 10,000\n\n> 100/10,000 | 108-91-8 | Cyclohexylamine |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "108-91-8", "epcra_rq_lbs": "10,000", "epcra_tpq_lbs": "10,000", "file": "cyclohexylamine.md", "generated": true, "harvested": "2026-08-05", "id": "cyclohexylamine", "source_quote": "100/10,000 | 108-91-8 | Cyclohexylamine |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Cyclohexylamine", "title": "Cyclohexylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Cyclophosphamide\n\n**CAS No.:** 50-18-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U058\n\n**Regulatory categories:** 4\n\n> Cyclophosphamide | 50-18-0 | 4 | U058 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-18-0", "cercla_rq_lbs": "10", "file": "cyclophosphamide.md", "generated": true, "harvested": "2026-08-05", "id": "cyclophosphamide", "rcra_waste_number": "U058", "regulatory_categories": "4", "source_quote": "Cyclophosphamide | 50-18-0 | 4 | U058 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Cyclophosphamide", "title": "Cyclophosphamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (d) 1,1,1-Trichloroethane\n\n**CAS No.:** 71-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U226\n\n**Regulatory categories:** 2,3,4\n\n> (d) 1,1,1-Trichloroethane | 71-55-6 | 2,3,4 | U226 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-55-6", "cercla_rq_lbs": "1000", "file": "d-1-1-1-trichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "d-1-1-1-trichloroethane", "rcra_waste_number": "U226", "regulatory_categories": "2,3,4", "source_quote": "(d) 1,1,1-Trichloroethane | 71-55-6 | 2,3,4 | U226 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(d) 1,1,1-Trichloroethane", "title": "(d) 1,1,1-Trichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]-\n\n**CAS No.:** 18883-66-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U206\n\n**Regulatory categories:** 4\n\n> D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- | 18883-66-4 | 4 | U206 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "18883-66-4", "cercla_rq_lbs": "1", "file": "d-glucose-2-deoxy-2-methylnitrosoamino-carbonyl-amino.md", "generated": true, "harvested": "2026-08-05", "id": "d-glucose-2-deoxy-2-methylnitrosoamino-carbonyl-amino", "rcra_waste_number": "U206", "regulatory_categories": "4", "source_quote": "D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- | 18883-66-4 | 4 | U206 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]-", "title": "D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (d) Isobutanol\n\n**CAS No.:** 78-83-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U140\n\n**Regulatory categories:** 4\n\n> (d) Isobutanol | 78-83-1 | 4 | U140 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-83-1", "cercla_rq_lbs": "5000", "file": "d-isobutanol.md", "generated": true, "harvested": "2026-08-05", "id": "d-isobutanol", "rcra_waste_number": "U140", "regulatory_categories": "4", "source_quote": "(d) Isobutanol | 78-83-1 | 4 | U140 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(d) Isobutanol", "title": "(d) Isobutanol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Daunomycin\n\n**CAS No.:** 20830-81-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U059\n\n**Regulatory categories:** 4\n\n> Daunomycin | 20830-81-3 | 4 | U059 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "20830-81-3", "cercla_rq_lbs": "10", "file": "daunomycin.md", "generated": true, "harvested": "2026-08-05", "id": "daunomycin", "rcra_waste_number": "U059", "regulatory_categories": "4", "source_quote": "Daunomycin | 20830-81-3 | 4 | U059 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Daunomycin", "title": "Daunomycin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** DDD\n\n**CAS No.:** 72-54-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U060\n\n**Regulatory categories:** 1,2,4\n\n> DDD | 72-54-8 | 1,2,4 | U060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-54-8", "cercla_rq_lbs": "1", "file": "ddd.md", "generated": true, "harvested": "2026-08-05", "id": "ddd", "rcra_waste_number": "U060", "regulatory_categories": "1,2,4", "source_quote": "DDD | 72-54-8 | 1,2,4 | U060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "DDD", "title": "DDD \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** DDE b\n\n**CAS No.:** 72-55-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,4\n\n> DDE b | 72-55-9 | 2,4 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-55-9", "cercla_rq_lbs": "1", "file": "dde-b.md", "generated": true, "harvested": "2026-08-05", "id": "dde-b", "regulatory_categories": "2,4", "source_quote": "DDE b | 72-55-9 | 2,4 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "DDE b", "title": "DDE b \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** DDT\n\n**CAS No.:** 50-29-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U061\n\n**Regulatory categories:** 1,2,4\n\n> DDT | 50-29-3 | 1,2,4 | U061 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-29-3", "cercla_rq_lbs": "1", "file": "ddt.md", "generated": true, "harvested": "2026-08-05", "id": "ddt", "rcra_waste_number": "U061", "regulatory_categories": "1,2,4", "source_quote": "DDT | 50-29-3 | 1,2,4 | U061 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "DDT", "title": "DDT \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Decaborane(14)\n\n**CAS No.:** 17702-41-9\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 17702-41-9 | Decaborane(14) | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "17702-41-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "decaborane-14.md", "generated": true, "harvested": "2026-08-05", "id": "decaborane-14", "source_quote": "17702-41-9 | Decaborane(14) | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Decaborane(14)", "title": "Decaborane(14) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** DEHP\n\n**CAS No.:** 117-81-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U028\n\n**Regulatory categories:** 2,3,4\n\n> DEHP | 117-81-7 | 2,3,4 | U028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-81-7", "cercla_rq_lbs": "100", "file": "dehp.md", "generated": true, "harvested": "2026-08-05", "id": "dehp", "rcra_waste_number": "U028", "regulatory_categories": "2,3,4", "source_quote": "DEHP | 117-81-7 | 2,3,4 | U028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "DEHP", "title": "DEHP \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** delta-BHC\n\n**CAS No.:** 319-86-8\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> delta-BHC | 319-86-8 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "319-86-8", "cercla_rq_lbs": "1", "file": "delta-bhc.md", "generated": true, "harvested": "2026-08-05", "id": "delta-bhc", "regulatory_categories": "2", "source_quote": "delta-BHC | 319-86-8 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "delta-BHC", "title": "delta-BHC \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Demeton-S-Methyl\n\n**CAS No.:** 919-86-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 919-86-8 | Demeton-S-Methyl |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "919-86-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "demeton-s-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "demeton-s-methyl", "source_quote": "500 | 919-86-8 | Demeton-S-Methyl |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Demeton-S-Methyl", "title": "Demeton-S-Methyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Demeton\n\n**CAS No.:** 8065-48-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 8065-48-3 | Demeton | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "8065-48-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "demeton.md", "generated": true, "harvested": "2026-08-05", "id": "demeton", "source_quote": "8065-48-3 | Demeton | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Demeton", "title": "Demeton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Di-n-butyl phthalate\n\n**CAS No.:** 84-74-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U069\n\n**Regulatory categories:** 1,2,3,4\n\n> Di-n-butyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-74-2", "cercla_rq_lbs": "10", "file": "di-n-butyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "di-n-butyl-phthalate", "rcra_waste_number": "U069", "regulatory_categories": "1,2,3,4", "source_quote": "Di-n-butyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Di-n-butyl phthalate", "title": "Di-n-butyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Di-n-octyl phthalate\n\n**CAS No.:** 117-84-0\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U107\n\n**Regulatory categories:** 2,4\n\n> Di-n-octyl phthalate | 117-84-0 | 2,4 | U107 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-84-0", "cercla_rq_lbs": "5000", "file": "di-n-octyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "di-n-octyl-phthalate", "rcra_waste_number": "U107", "regulatory_categories": "2,4", "source_quote": "Di-n-octyl phthalate | 117-84-0 | 2,4 | U107 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Di-n-octyl phthalate", "title": "Di-n-octyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Di-n-propylnitrosamine\n\n**CAS No.:** 621-64-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U111\n\n**Regulatory categories:** 2,4\n\n> Di-n-propylnitrosamine | 621-64-7 | 2,4 | U111 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "621-64-7", "cercla_rq_lbs": "10", "file": "di-n-propylnitrosamine.md", "generated": true, "harvested": "2026-08-05", "id": "di-n-propylnitrosamine", "rcra_waste_number": "U111", "regulatory_categories": "2,4", "source_quote": "Di-n-propylnitrosamine | 621-64-7 | 2,4 | U111 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Di-n-propylnitrosamine", "title": "Di-n-propylnitrosamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dialifor\n\n**CAS No.:** 10311-84-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 10311-84-9 | Dialifor | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10311-84-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "dialifor.md", "generated": true, "harvested": "2026-08-05", "id": "dialifor", "source_quote": "10311-84-9 | Dialifor | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dialifor", "title": "Dialifor \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diallate\n\n**CAS No.:** 2303-16-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U062\n\n**Regulatory categories:** 4\n\n> Diallate | 2303-16-4 | 4 | U062 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2303-16-4", "cercla_rq_lbs": "100", "file": "diallate.md", "generated": true, "harvested": "2026-08-05", "id": "diallate", "rcra_waste_number": "U062", "regulatory_categories": "4", "source_quote": "Diallate | 2303-16-4 | 4 | U062 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diallate", "title": "Diallate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diazinon\n\n**CAS No.:** 333-41-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Diazinon | 333-41-5 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "333-41-5", "cercla_rq_lbs": "1", "file": "diazinon.md", "generated": true, "harvested": "2026-08-05", "id": "diazinon", "regulatory_categories": "1", "source_quote": "Diazinon | 333-41-5 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diazinon", "title": "Diazinon \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diazomethane\n\n**CAS No.:** 334-88-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Diazomethane | 334-88-3 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "334-88-3", "cercla_rq_lbs": "100", "file": "diazomethane.md", "generated": true, "harvested": "2026-08-05", "id": "diazomethane", "regulatory_categories": "3", "source_quote": "Diazomethane | 334-88-3 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diazomethane", "title": "Diazomethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibenz[a,h]anthracene\n\n**CAS No.:** 53-70-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U063\n\n**Regulatory categories:** 2,4\n\n> Dibenz[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53-70-3", "cercla_rq_lbs": "1", "file": "dibenz-a-h-anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "dibenz-a-h-anthracene", "rcra_waste_number": "U063", "regulatory_categories": "2,4", "source_quote": "Dibenz[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibenz[a,h]anthracene", "title": "Dibenz[a,h]anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibenzo[a,h]anthracene\n\n**CAS No.:** 53-70-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U063\n\n**Regulatory categories:** 2,4\n\n> Dibenzo[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "53-70-3", "cercla_rq_lbs": "1", "file": "dibenzo-a-h-anthracene.md", "generated": true, "harvested": "2026-08-05", "id": "dibenzo-a-h-anthracene", "rcra_waste_number": "U063", "regulatory_categories": "2,4", "source_quote": "Dibenzo[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibenzo[a,h]anthracene", "title": "Dibenzo[a,h]anthracene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibenzo[a,i]pyrene\n\n**CAS No.:** 189-55-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U064\n\n**Regulatory categories:** 4\n\n> Dibenzo[a,i]pyrene | 189-55-9 | 4 | U064 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "189-55-9", "cercla_rq_lbs": "10", "file": "dibenzo-a-i-pyrene.md", "generated": true, "harvested": "2026-08-05", "id": "dibenzo-a-i-pyrene", "rcra_waste_number": "U064", "regulatory_categories": "4", "source_quote": "Dibenzo[a,i]pyrene | 189-55-9 | 4 | U064 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibenzo[a,i]pyrene", "title": "Dibenzo[a,i]pyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibenzofuran\n\n**CAS No.:** 132-64-9\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Dibenzofuran | 132-64-9 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "132-64-9", "cercla_rq_lbs": "100", "file": "dibenzofuran.md", "generated": true, "harvested": "2026-08-05", "id": "dibenzofuran", "regulatory_categories": "3", "source_quote": "Dibenzofuran | 132-64-9 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibenzofuran", "title": "Dibenzofuran \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diborane\n\n**CAS No.:** 19287-45-7\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 19287-45-7 | Diborane | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "19287-45-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "diborane.md", "generated": true, "harvested": "2026-08-05", "id": "diborane", "source_quote": "19287-45-7 | Diborane | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diborane", "title": "Diborane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibromoethane\n\n**CAS No.:** 106-93-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U067\n\n**Regulatory categories:** 1,3,4\n\n> Dibromoethane | 106-93-4 | 1,3,4 | U067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-93-4", "cercla_rq_lbs": "1", "file": "dibromoethane.md", "generated": true, "harvested": "2026-08-05", "id": "dibromoethane", "rcra_waste_number": "U067", "regulatory_categories": "1,3,4", "source_quote": "Dibromoethane | 106-93-4 | 1,3,4 | U067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibromoethane", "title": "Dibromoethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dibutyl phthalate\n\n**CAS No.:** 84-74-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U069\n\n**Regulatory categories:** 1,2,3,4\n\n> Dibutyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-74-2", "cercla_rq_lbs": "10", "file": "dibutyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "dibutyl-phthalate", "rcra_waste_number": "U069", "regulatory_categories": "1,2,3,4", "source_quote": "Dibutyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dibutyl phthalate", "title": "Dibutyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dicamba\n\n**CAS No.:** 1918-00-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Dicamba | 1918-00-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1918-00-9", "cercla_rq_lbs": "1000", "file": "dicamba.md", "generated": true, "harvested": "2026-08-05", "id": "dicamba", "regulatory_categories": "1", "source_quote": "Dicamba | 1918-00-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dicamba", "title": "Dicamba \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlobenil\n\n**CAS No.:** 1194-65-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Dichlobenil | 1194-65-6 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1194-65-6", "cercla_rq_lbs": "100", "file": "dichlobenil.md", "generated": true, "harvested": "2026-08-05", "id": "dichlobenil", "regulatory_categories": "1", "source_quote": "Dichlobenil | 1194-65-6 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlobenil", "title": "Dichlobenil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlone\n\n**CAS No.:** 117-80-6\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Dichlone | 117-80-6 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-80-6", "cercla_rq_lbs": "1", "file": "dichlone.md", "generated": true, "harvested": "2026-08-05", "id": "dichlone", "regulatory_categories": "1", "source_quote": "Dichlone | 117-80-6 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlone", "title": "Dichlone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorobenzene\n\n**CAS No.:** 25321-22-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,2\n\n> Dichlorobenzene | 25321-22-6 | 1,2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25321-22-6", "cercla_rq_lbs": "100", "file": "dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorobenzene", "regulatory_categories": "1,2", "source_quote": "Dichlorobenzene | 25321-22-6 | 1,2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlorobenzene", "title": "Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorobromomethane\n\n**CAS No.:** 75-27-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Dichlorobromomethane | 75-27-4 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-27-4", "cercla_rq_lbs": "5000", "file": "dichlorobromomethane.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorobromomethane", "regulatory_categories": "2", "source_quote": "Dichlorobromomethane | 75-27-4 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlorobromomethane", "title": "Dichlorobromomethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorodifluoromethane\n\n**CAS No.:** 75-71-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U075\n\n**Regulatory categories:** 4\n\n> Dichlorodifluoromethane | 75-71-8 | 4 | U075 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-71-8", "cercla_rq_lbs": "5000", "file": "dichlorodifluoromethane.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorodifluoromethane", "rcra_waste_number": "U075", "regulatory_categories": "4", "source_quote": "Dichlorodifluoromethane | 75-71-8 | 4 | U075 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlorodifluoromethane", "title": "Dichlorodifluoromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloroethyl ether\n\n**CAS No.:** 111-44-4\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 111-44-4 | Dichloroethyl ether | | 10 | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "111-44-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10,000", "file": "dichloroethyl-ether-2.md", "generated": true, "harvested": "2026-08-05", "id": "dichloroethyl-ether-2", "source_quote": "111-44-4 | Dichloroethyl ether | | 10 | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dichloroethyl ether", "title": "Dichloroethyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloroethyl ether\n\n**CAS No.:** 111-44-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U025\n\n**Regulatory categories:** 2,3,4\n\n> Dichloroethyl ether | 111-44-4 | 2,3,4 | U025 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-44-4", "cercla_rq_lbs": "10", "file": "dichloroethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "dichloroethyl-ether", "rcra_waste_number": "U025", "regulatory_categories": "2,3,4", "source_quote": "Dichloroethyl ether | 111-44-4 | 2,3,4 | U025 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloroethyl ether", "title": "Dichloroethyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloroisopropyl ether\n\n**CAS No.:** 108-60-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U027\n\n**Regulatory categories:** 2,4\n\n> Dichloroisopropyl ether | 108-60-1 | 2,4 | U027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-60-1", "cercla_rq_lbs": "1000", "file": "dichloroisopropyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "dichloroisopropyl-ether", "rcra_waste_number": "U027", "regulatory_categories": "2,4", "source_quote": "Dichloroisopropyl ether | 108-60-1 | 2,4 | U027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloroisopropyl ether", "title": "Dichloroisopropyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloromethane\n\n**CAS No.:** 75-09-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U080\n\n**Regulatory categories:** 2,3,4\n\n> Dichloromethane | 75-09-2 | 2,3,4 | U080 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-09-2", "cercla_rq_lbs": "1000", "file": "dichloromethane.md", "generated": true, "harvested": "2026-08-05", "id": "dichloromethane", "rcra_waste_number": "U080", "regulatory_categories": "2,3,4", "source_quote": "Dichloromethane | 75-09-2 | 2,3,4 | U080 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloromethane", "title": "Dichloromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloromethoxy ethane\n\n**CAS No.:** 111-91-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U024\n\n**Regulatory categories:** 2,4\n\n> Dichloromethoxy ethane | 111-91-1 | 2,4 | U024 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-91-1", "cercla_rq_lbs": "1000", "file": "dichloromethoxy-ethane.md", "generated": true, "harvested": "2026-08-05", "id": "dichloromethoxy-ethane", "rcra_waste_number": "U024", "regulatory_categories": "2,4", "source_quote": "Dichloromethoxy ethane | 111-91-1 | 2,4 | U024 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloromethoxy ethane", "title": "Dichloromethoxy ethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloromethyl ether\n\n**CAS No.:** 542-88-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P016\n\n**Regulatory categories:** 3,4\n\n> Dichloromethyl ether | 542-88-1 | 3,4 | P016 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-88-1", "cercla_rq_lbs": "10", "file": "dichloromethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "dichloromethyl-ether", "rcra_waste_number": "P016", "regulatory_categories": "3,4", "source_quote": "Dichloromethyl ether | 542-88-1 | 3,4 | P016 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloromethyl ether", "title": "Dichloromethyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloromethylphenylsilane\n\n**CAS No.:** 149-74-6\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 149-74-6 | Dichloromethylphenylsilane | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "149-74-6", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "dichloromethylphenylsilane.md", "generated": true, "harvested": "2026-08-05", "id": "dichloromethylphenylsilane", "source_quote": "149-74-6 | Dichloromethylphenylsilane | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dichloromethylphenylsilane", "title": "Dichloromethylphenylsilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorophenylarsine\n\n**CAS No.:** 696-28-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P036\n\n**Regulatory categories:** 4\n\n> Dichlorophenylarsine | 696-28-6 | 4 | P036 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "696-28-6", "cercla_rq_lbs": "1", "file": "dichlorophenylarsine.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorophenylarsine", "rcra_waste_number": "P036", "regulatory_categories": "4", "source_quote": "Dichlorophenylarsine | 696-28-6 | 4 | P036 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlorophenylarsine", "title": "Dichlorophenylarsine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloropropane\u2014Dichloropropene (mixture)\n\n**CAS No.:** 8003-19-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Dichloropropane\u2014Dichloropropene (mixture) | 8003-19-8 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "8003-19-8", "cercla_rq_lbs": "100", "file": "dichloropropane-dichloropropene-mixture.md", "generated": true, "harvested": "2026-08-05", "id": "dichloropropane-dichloropropene-mixture", "regulatory_categories": "1", "source_quote": "Dichloropropane\u2014Dichloropropene (mixture) | 8003-19-8 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloropropane\u2014Dichloropropene (mixture)", "title": "Dichloropropane\u2014Dichloropropene (mixture) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloropropane\n\n**CAS No.:** 26638-19-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,2\n\n> Dichloropropane | 26638-19-7 | 1,2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26638-19-7", "cercla_rq_lbs": "1000", "file": "dichloropropane.md", "generated": true, "harvested": "2026-08-05", "id": "dichloropropane", "regulatory_categories": "1,2", "source_quote": "Dichloropropane | 26638-19-7 | 1,2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloropropane", "title": "Dichloropropane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichloropropene\n\n**CAS No.:** 26952-23-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,2\n\n> Dichloropropene | 26952-23-8 | 1,2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26952-23-8", "cercla_rq_lbs": "100", "file": "dichloropropene.md", "generated": true, "harvested": "2026-08-05", "id": "dichloropropene", "regulatory_categories": "1,2", "source_quote": "Dichloropropene | 26952-23-8 | 1,2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichloropropene", "title": "Dichloropropene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorvos\n\n**CAS No.:** 62-73-7\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 1,000 | 62-73-7 | Dichlorvos | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62-73-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "dichlorvos-2.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorvos-2", "source_quote": "1,000 | 62-73-7 | Dichlorvos | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dichlorvos", "title": "Dichlorvos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dichlorvos\n\n**CAS No.:** 62-73-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,3\n\n> Dichlorvos | 62-73-7 | 1,3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-73-7", "cercla_rq_lbs": "10", "file": "dichlorvos.md", "generated": true, "harvested": "2026-08-05", "id": "dichlorvos", "regulatory_categories": "1,3", "source_quote": "Dichlorvos | 62-73-7 | 1,3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dichlorvos", "title": "Dichlorvos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dicofol\n\n**CAS No.:** 115-32-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Dicofol | 115-32-2 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "115-32-2", "cercla_rq_lbs": "10", "file": "dicofol.md", "generated": true, "harvested": "2026-08-05", "id": "dicofol", "regulatory_categories": "1", "source_quote": "Dicofol | 115-32-2 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dicofol", "title": "Dicofol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dicrotophos\n\n**CAS No.:** 141-66-2\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 141-66-2 | Dicrotophos | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "141-66-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "dicrotophos.md", "generated": true, "harvested": "2026-08-05", "id": "dicrotophos", "source_quote": "141-66-2 | Dicrotophos | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dicrotophos", "title": "Dicrotophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dieldrin\n\n**CAS No.:** 60-57-1\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P037\n\n**Regulatory categories:** 1,2,4\n\n> Dieldrin | 60-57-1 | 1,2,4 | P037 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-57-1", "cercla_rq_lbs": "1", "file": "dieldrin.md", "generated": true, "harvested": "2026-08-05", "id": "dieldrin", "rcra_waste_number": "P037", "regulatory_categories": "1,2,4", "source_quote": "Dieldrin | 60-57-1 | 1,2,4 | P037 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dieldrin", "title": "Dieldrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diepoxybutane\n\n**CAS No.:** 1464-53-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 1464-53-5 | Diepoxybutane | | 10 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1464-53-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "diepoxybutane.md", "generated": true, "harvested": "2026-08-05", "id": "diepoxybutane", "source_quote": "1464-53-5 | Diepoxybutane | | 10 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diepoxybutane", "title": "Diepoxybutane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethanolamine\n\n**CAS No.:** 111-42-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Diethanolamine | 111-42-2 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-42-2", "cercla_rq_lbs": "100", "file": "diethanolamine.md", "generated": true, "harvested": "2026-08-05", "id": "diethanolamine", "regulatory_categories": "3", "source_quote": "Diethanolamine | 111-42-2 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethanolamine", "title": "Diethanolamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethyl Chlorophosphate\n\n**CAS No.:** 814-49-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 814-49-3 | Diethyl Chlorophosphate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "814-49-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "diethyl-chlorophosphate.md", "generated": true, "harvested": "2026-08-05", "id": "diethyl-chlorophosphate", "source_quote": "500 | 814-49-3 | Diethyl Chlorophosphate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diethyl Chlorophosphate", "title": "Diethyl Chlorophosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethyl-p-nitrophenyl phosphate\n\n**CAS No.:** 311-45-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P041\n\n**Regulatory categories:** 4\n\n> Diethyl-p-nitrophenyl phosphate | 311-45-5 | 4 | P041 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "311-45-5", "cercla_rq_lbs": "100", "file": "diethyl-p-nitrophenyl-phosphate.md", "generated": true, "harvested": "2026-08-05", "id": "diethyl-p-nitrophenyl-phosphate", "rcra_waste_number": "P041", "regulatory_categories": "4", "source_quote": "Diethyl-p-nitrophenyl phosphate | 311-45-5 | 4 | P041 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethyl-p-nitrophenyl phosphate", "title": "Diethyl-p-nitrophenyl phosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethyl phthalate\n\n**CAS No.:** 84-66-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U088\n\n**Regulatory categories:** 2,4\n\n> Diethyl phthalate | 84-66-2 | 2,4 | U088 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-66-2", "cercla_rq_lbs": "1000", "file": "diethyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "diethyl-phthalate", "rcra_waste_number": "U088", "regulatory_categories": "2,4", "source_quote": "Diethyl phthalate | 84-66-2 | 2,4 | U088 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethyl phthalate", "title": "Diethyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethyl sulfate\n\n**CAS No.:** 64-67-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> Diethyl sulfate | 64-67-5 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-67-5", "cercla_rq_lbs": "10", "file": "diethyl-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "diethyl-sulfate", "regulatory_categories": "3", "source_quote": "Diethyl sulfate | 64-67-5 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethyl sulfate", "title": "Diethyl sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethylamine\n\n**CAS No.:** 109-89-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Diethylamine | 109-89-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-89-7", "cercla_rq_lbs": "100", "file": "diethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "diethylamine", "regulatory_categories": "1", "source_quote": "Diethylamine | 109-89-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethylamine", "title": "Diethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethylarsine\n\n**CAS No.:** 692-42-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P038\n\n**Regulatory categories:** 4\n\n> Diethylarsine | 692-42-2 | 4 | P038 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "692-42-2", "cercla_rq_lbs": "1", "file": "diethylarsine.md", "generated": true, "harvested": "2026-08-05", "id": "diethylarsine", "rcra_waste_number": "P038", "regulatory_categories": "4", "source_quote": "Diethylarsine | 692-42-2 | 4 | P038 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethylarsine", "title": "Diethylarsine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethylene glycol, dicarbamate\n\n**CAS No.:** 5952-26-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U395\n\n**Regulatory categories:** 4\n\n> Diethylene glycol, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "5952-26-1", "cercla_rq_lbs": "5000", "file": "diethylene-glycol-dicarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "diethylene-glycol-dicarbamate", "rcra_waste_number": "U395", "regulatory_categories": "4", "source_quote": "Diethylene glycol, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethylene glycol, dicarbamate", "title": "Diethylene glycol, dicarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethylhexyl phthalate\n\n**CAS No.:** 117-81-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U028\n\n**Regulatory categories:** 2,3,4\n\n> Diethylhexyl phthalate | 117-81-7 | 2,3,4 | U028 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "117-81-7", "cercla_rq_lbs": "100", "file": "diethylhexyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "diethylhexyl-phthalate", "rcra_waste_number": "U028", "regulatory_categories": "2,3,4", "source_quote": "Diethylhexyl phthalate | 117-81-7 | 2,3,4 | U028 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethylhexyl phthalate", "title": "Diethylhexyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diethylstilbestrol\n\n**CAS No.:** 56-53-1\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U089\n\n**Regulatory categories:** 4\n\n> Diethylstilbestrol | 56-53-1 | 4 | U089 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-53-1", "cercla_rq_lbs": "1", "file": "diethylstilbestrol.md", "generated": true, "harvested": "2026-08-05", "id": "diethylstilbestrol", "rcra_waste_number": "U089", "regulatory_categories": "4", "source_quote": "Diethylstilbestrol | 56-53-1 | 4 | U089 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diethylstilbestrol", "title": "Diethylstilbestrol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Digitoxin\n\n**CAS No.:** 71-63-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 71-63-6 | Digitoxin | b | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "71-63-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "digitoxin.md", "generated": true, "harvested": "2026-08-05", "id": "digitoxin", "source_quote": "71-63-6 | Digitoxin | b | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Digitoxin", "title": "Digitoxin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diglycidyl Ether\n\n**CAS No.:** 2238-07-5\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2238-07-5 | Diglycidyl Ether | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2238-07-5", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "diglycidyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "diglycidyl-ether", "source_quote": "2238-07-5 | Diglycidyl Ether | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diglycidyl Ether", "title": "Diglycidyl Ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Digoxin\n\n**CAS No.:** 20830-75-5\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 20830-75-5 | Digoxin | d | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "20830-75-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "digoxin.md", "generated": true, "harvested": "2026-08-05", "id": "digoxin", "source_quote": "20830-75-5 | Digoxin | d | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Digoxin", "title": "Digoxin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dihydrosafrole\n\n**CAS No.:** 94-58-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U090\n\n**Regulatory categories:** 4\n\n> Dihydrosafrole | 94-58-6 | 4 | U090 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-58-6", "cercla_rq_lbs": "10", "file": "dihydrosafrole.md", "generated": true, "harvested": "2026-08-05", "id": "dihydrosafrole", "rcra_waste_number": "U090", "regulatory_categories": "4", "source_quote": "Dihydrosafrole | 94-58-6 | 4 | U090 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dihydrosafrole", "title": "Dihydrosafrole \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diisopropylfluorophosphate (DFP)\n\n**CAS No.:** 55-91-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P043\n\n**Regulatory categories:** 4\n\n> Diisopropylfluorophosphate (DFP) | 55-91-4 | 4 | P043 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-91-4", "cercla_rq_lbs": "100", "file": "diisopropylfluorophosphate-dfp.md", "generated": true, "harvested": "2026-08-05", "id": "diisopropylfluorophosphate-dfp", "rcra_waste_number": "P043", "regulatory_categories": "4", "source_quote": "Diisopropylfluorophosphate (DFP) | 55-91-4 | 4 | P043 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diisopropylfluorophosphate (DFP)", "title": "Diisopropylfluorophosphate (DFP) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimefox\n\n**CAS No.:** 115-26-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 115-26-4 | Dimefox | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "115-26-4", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "dimefox.md", "generated": true, "harvested": "2026-08-05", "id": "dimefox", "source_quote": "115-26-4 | Dimefox | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimefox", "title": "Dimefox \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethoate\n\n**CAS No.:** 60-51-5\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 60-51-5 | Dimethoate | | 10 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "60-51-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500/10,000", "file": "dimethoate-2.md", "generated": true, "harvested": "2026-08-05", "id": "dimethoate-2", "source_quote": "60-51-5 | Dimethoate | | 10 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethoate", "title": "Dimethoate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethoate\n\n**CAS No.:** 60-51-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P044\n\n**Regulatory categories:** 4\n\n> Dimethoate | 60-51-5 | 4 | P044 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-51-5", "cercla_rq_lbs": "10", "file": "dimethoate.md", "generated": true, "harvested": "2026-08-05", "id": "dimethoate", "rcra_waste_number": "P044", "regulatory_categories": "4", "source_quote": "Dimethoate | 60-51-5 | 4 | P044 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethoate", "title": "Dimethoate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl aminoazobenzene\n\n**CAS No.:** 60-11-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U093\n\n**Regulatory categories:** 3,4\n\n> Dimethyl aminoazobenzene | 60-11-7 | 3,4 | U093 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-11-7", "cercla_rq_lbs": "10", "file": "dimethyl-aminoazobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-aminoazobenzene", "rcra_waste_number": "U093", "regulatory_categories": "3,4", "source_quote": "Dimethyl aminoazobenzene | 60-11-7 | 3,4 | U093 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethyl aminoazobenzene", "title": "Dimethyl aminoazobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl-p-Phenylenediamine\n\n**CAS No.:** 99-98-9\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 1,000 | 99-98-9 | Dimethyl-p-Phenylenediamine | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "99-98-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "dimethyl-p-phenylenediamine.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-p-phenylenediamine", "source_quote": "10 | 1,000 | 99-98-9 | Dimethyl-p-Phenylenediamine | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethyl-p-Phenylenediamine", "title": "Dimethyl-p-Phenylenediamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl Phosphorochloridothioate\n\n**CAS No.:** 2524-03-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 2524-03-0 | Dimethyl Phosphorochloridothioate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2524-03-0", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "dimethyl-phosphorochloridothioate.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-phosphorochloridothioate", "source_quote": "500/10,000 | 2524-03-0 | Dimethyl Phosphorochloridothioate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethyl Phosphorochloridothioate", "title": "Dimethyl Phosphorochloridothioate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl phthalate\n\n**CAS No.:** 131-11-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U102\n\n**Regulatory categories:** 2,3,4\n\n> Dimethyl phthalate | 131-11-3 | 2,3,4 | U102 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-11-3", "cercla_rq_lbs": "5000", "file": "dimethyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-phthalate", "rcra_waste_number": "U102", "regulatory_categories": "2,3,4", "source_quote": "Dimethyl phthalate | 131-11-3 | 2,3,4 | U102 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethyl phthalate", "title": "Dimethyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl sulfate\n\n**CAS No.:** 77-78-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 77-78-1 | Dimethyl sulfate | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "77-78-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "dimethyl-sulfate-2.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-sulfate-2", "source_quote": "500 | 77-78-1 | Dimethyl sulfate | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethyl sulfate", "title": "Dimethyl sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyl sulfate\n\n**CAS No.:** 77-78-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U103\n\n**Regulatory categories:** 3,4\n\n> Dimethyl sulfate | 77-78-1 | 3,4 | U103 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "77-78-1", "cercla_rq_lbs": "100", "file": "dimethyl-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyl-sulfate", "rcra_waste_number": "U103", "regulatory_categories": "3,4", "source_quote": "Dimethyl sulfate | 77-78-1 | 3,4 | U103 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethyl sulfate", "title": "Dimethyl sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethylamine\n\n**CAS No.:** 124-40-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U092\n\n**Regulatory categories:** 1,4\n\n> Dimethylamine | 124-40-3 | 1,4 | U092 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "124-40-3", "cercla_rq_lbs": "1000", "file": "dimethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "dimethylamine", "rcra_waste_number": "U092", "regulatory_categories": "1,4", "source_quote": "Dimethylamine | 124-40-3 | 1,4 | U092 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethylamine", "title": "Dimethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethylcarbamoyl chloride\n\n**CAS No.:** 79-44-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U097\n\n**Regulatory categories:** 3,4\n\n> Dimethylcarbamoyl chloride | 79-44-7 | 3,4 | U097 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-44-7", "cercla_rq_lbs": "1", "file": "dimethylcarbamoyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "dimethylcarbamoyl-chloride", "rcra_waste_number": "U097", "regulatory_categories": "3,4", "source_quote": "Dimethylcarbamoyl chloride | 79-44-7 | 3,4 | U097 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethylcarbamoyl chloride", "title": "Dimethylcarbamoyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethyldichlorosilane\n\n**CAS No.:** 75-78-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 75-78-5 | Dimethyldichlorosilane |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-78-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "dimethyldichlorosilane.md", "generated": true, "harvested": "2026-08-05", "id": "dimethyldichlorosilane", "source_quote": "500 | 75-78-5 | Dimethyldichlorosilane |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethyldichlorosilane", "title": "Dimethyldichlorosilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethylformamide\n\n**CAS No.:** 68-12-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Dimethylformamide | 68-12-2 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "68-12-2", "cercla_rq_lbs": "100", "file": "dimethylformamide.md", "generated": true, "harvested": "2026-08-05", "id": "dimethylformamide", "regulatory_categories": "3", "source_quote": "Dimethylformamide | 68-12-2 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimethylformamide", "title": "Dimethylformamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimethylhydrazine\n\n**CAS No.:** 57-14-7\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 57-14-7 | Dimethylhydrazine | | 10 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-14-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "dimethylhydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "dimethylhydrazine", "source_quote": "57-14-7 | Dimethylhydrazine | | 10 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimethylhydrazine", "title": "Dimethylhydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimetilan\n\n**CAS No.:** 644-64-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 644-64-4 | Dimetilan | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "644-64-4", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "dimetilan-2.md", "generated": true, "harvested": "2026-08-05", "id": "dimetilan-2", "source_quote": "644-64-4 | Dimetilan | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dimetilan", "title": "Dimetilan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dimetilan\n\n**CAS No.:** 644-64-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P191\n\n**Regulatory categories:** 4\n\n> Dimetilan | 644-64-4 | 4 | P191 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "644-64-4", "cercla_rq_lbs": "1", "file": "dimetilan.md", "generated": true, "harvested": "2026-08-05", "id": "dimetilan", "rcra_waste_number": "P191", "regulatory_categories": "4", "source_quote": "Dimetilan | 644-64-4 | 4 | P191 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dimetilan", "title": "Dimetilan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinitrobenzene (mixed)\n\n**CAS No.:** 25154-54-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Dinitrobenzene (mixed) | 25154-54-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25154-54-5", "cercla_rq_lbs": "100", "file": "dinitrobenzene-mixed.md", "generated": true, "harvested": "2026-08-05", "id": "dinitrobenzene-mixed", "regulatory_categories": "1", "source_quote": "Dinitrobenzene (mixed) | 25154-54-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dinitrobenzene (mixed)", "title": "Dinitrobenzene (mixed) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinitrocresol\n\n**CAS No.:** 534-52-1\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 534-52-1 | Dinitrocresol | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "534-52-1", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "dinitrocresol.md", "generated": true, "harvested": "2026-08-05", "id": "dinitrocresol", "source_quote": "534-52-1 | Dinitrocresol | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dinitrocresol", "title": "Dinitrocresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinitrophenol\n\n**CAS No.:** 25550-58-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Dinitrophenol | 25550-58-7 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25550-58-7", "cercla_rq_lbs": "10", "file": "dinitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "dinitrophenol", "regulatory_categories": "1", "source_quote": "Dinitrophenol | 25550-58-7 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dinitrophenol", "title": "Dinitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinitrotoluene\n\n**CAS No.:** 25321-14-6\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> Dinitrotoluene | 25321-14-6 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25321-14-6", "cercla_rq_lbs": "10", "file": "dinitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "dinitrotoluene", "regulatory_categories": "1,2", "source_quote": "Dinitrotoluene | 25321-14-6 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dinitrotoluene", "title": "Dinitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinoseb\n\n**CAS No.:** 88-85-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 88-85-7 | Dinoseb | | 1,000 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "88-85-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "100/10,000", "file": "dinoseb-2.md", "generated": true, "harvested": "2026-08-05", "id": "dinoseb-2", "source_quote": "88-85-7 | Dinoseb | | 1,000 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dinoseb", "title": "Dinoseb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinoseb\n\n**CAS No.:** 88-85-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P020\n\n**Regulatory categories:** 4\n\n> Dinoseb | 88-85-7 | 4 | P020 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-85-7", "cercla_rq_lbs": "1000", "file": "dinoseb.md", "generated": true, "harvested": "2026-08-05", "id": "dinoseb", "rcra_waste_number": "P020", "regulatory_categories": "4", "source_quote": "Dinoseb | 88-85-7 | 4 | P020 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dinoseb", "title": "Dinoseb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dinoterb\n\n**CAS No.:** 1420-07-1\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 1420-07-1 | Dinoterb | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1420-07-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "dinoterb.md", "generated": true, "harvested": "2026-08-05", "id": "dinoterb", "source_quote": "1420-07-1 | Dinoterb | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dinoterb", "title": "Dinoterb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dioxathion\n\n**CAS No.:** 78-34-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 78-34-2 | Dioxathion | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-34-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "dioxathion.md", "generated": true, "harvested": "2026-08-05", "id": "dioxathion", "source_quote": "78-34-2 | Dioxathion | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dioxathion", "title": "Dioxathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diphacinone\n\n**CAS No.:** 82-66-6\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 82-66-6 | Diphacinone | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "82-66-6", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "diphacinone.md", "generated": true, "harvested": "2026-08-05", "id": "diphacinone", "source_quote": "82-66-6 | Diphacinone | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diphacinone", "title": "Diphacinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diphosphoramide, Octamethyl-\n\n**CAS No.:** 152-16-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 152-16-9 | Diphosphoramide, Octamethyl- | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "152-16-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "diphosphoramide-octamethyl-2.md", "generated": true, "harvested": "2026-08-05", "id": "diphosphoramide-octamethyl-2", "source_quote": "152-16-9 | Diphosphoramide, Octamethyl- | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Diphosphoramide, Octamethyl-", "title": "Diphosphoramide, Octamethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diphosphoramide, octamethyl-\n\n**CAS No.:** 152-16-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P085\n\n**Regulatory categories:** 4\n\n> Diphosphoramide, octamethyl- | 152-16-9 | 4 | P085 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "152-16-9", "cercla_rq_lbs": "100", "file": "diphosphoramide-octamethyl.md", "generated": true, "harvested": "2026-08-05", "id": "diphosphoramide-octamethyl", "rcra_waste_number": "P085", "regulatory_categories": "4", "source_quote": "Diphosphoramide, octamethyl- | 152-16-9 | 4 | P085 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diphosphoramide, octamethyl-", "title": "Diphosphoramide, octamethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diphosphoric acid, tetraethyl ester\n\n**CAS No.:** 107-49-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P111\n\n**Regulatory categories:** 1,4\n\n> Diphosphoric acid, tetraethyl ester | 107-49-3 | 1,4 | P111 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-49-3", "cercla_rq_lbs": "10", "file": "diphosphoric-acid-tetraethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "diphosphoric-acid-tetraethyl-ester", "rcra_waste_number": "P111", "regulatory_categories": "1,4", "source_quote": "Diphosphoric acid, tetraethyl ester | 107-49-3 | 1,4 | P111 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diphosphoric acid, tetraethyl ester", "title": "Diphosphoric acid, tetraethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dipropylamine\n\n**CAS No.:** 142-84-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U110\n\n**Regulatory categories:** 4\n\n> Dipropylamine | 142-84-7 | 4 | U110 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "142-84-7", "cercla_rq_lbs": "5000", "file": "dipropylamine.md", "generated": true, "harvested": "2026-08-05", "id": "dipropylamine", "rcra_waste_number": "U110", "regulatory_categories": "4", "source_quote": "Dipropylamine | 142-84-7 | 4 | U110 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dipropylamine", "title": "Dipropylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Disulfoton\n\n**CAS No.:** 298-04-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 298-04-4 | Disulfoton | | 1 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "298-04-4", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "disulfoton-2.md", "generated": true, "harvested": "2026-08-05", "id": "disulfoton-2", "source_quote": "298-04-4 | Disulfoton | | 1 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Disulfoton", "title": "Disulfoton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Disulfoton\n\n**CAS No.:** 298-04-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P039\n\n**Regulatory categories:** 1,4\n\n> Disulfoton | 298-04-4 | 1,4 | P039 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-04-4", "cercla_rq_lbs": "1", "file": "disulfoton.md", "generated": true, "harvested": "2026-08-05", "id": "disulfoton", "rcra_waste_number": "P039", "regulatory_categories": "1,4", "source_quote": "Disulfoton | 298-04-4 | 1,4 | P039 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Disulfoton", "title": "Disulfoton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dithiazanine Iodide\n\n**CAS No.:** 514-73-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 514-73-8 | Dithiazanine Iodide | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "514-73-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "dithiazanine-iodide.md", "generated": true, "harvested": "2026-08-05", "id": "dithiazanine-iodide", "source_quote": "500 | 514-73-8 | Dithiazanine Iodide | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dithiazanine Iodide", "title": "Dithiazanine Iodide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dithiobiuret\n\n**CAS No.:** 541-53-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 541-53-7 | Dithiobiuret | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "541-53-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "dithiobiuret-2.md", "generated": true, "harvested": "2026-08-05", "id": "dithiobiuret-2", "source_quote": "541-53-7 | Dithiobiuret | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Dithiobiuret", "title": "Dithiobiuret \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dithiobiuret\n\n**CAS No.:** 541-53-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P049\n\n**Regulatory categories:** 4\n\n> Dithiobiuret | 541-53-7 | 4 | P049 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-53-7", "cercla_rq_lbs": "100", "file": "dithiobiuret.md", "generated": true, "harvested": "2026-08-05", "id": "dithiobiuret", "rcra_waste_number": "P049", "regulatory_categories": "4", "source_quote": "Dithiobiuret | 541-53-7 | 4 | P049 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dithiobiuret", "title": "Dithiobiuret \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Diuron\n\n**CAS No.:** 330-54-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Diuron | 330-54-1 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "330-54-1", "cercla_rq_lbs": "100", "file": "diuron.md", "generated": true, "harvested": "2026-08-05", "id": "diuron", "regulatory_categories": "1", "source_quote": "Diuron | 330-54-1 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Diuron", "title": "Diuron \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Dodecylbenzenesulfonic acid\n\n**CAS No.:** 27176-87-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Dodecylbenzenesulfonic acid | 27176-87-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "27176-87-0", "cercla_rq_lbs": "1000", "file": "dodecylbenzenesulfonic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "dodecylbenzenesulfonic-acid", "regulatory_categories": "1", "source_quote": "Dodecylbenzenesulfonic acid | 27176-87-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Dodecylbenzenesulfonic acid", "title": "Dodecylbenzenesulfonic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (e) Carbon tetrachloride\n\n**CAS No.:** 56-23-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U211\n\n**Regulatory categories:** 1,2,3,4\n\n> (e) Carbon tetrachloride | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-23-5", "cercla_rq_lbs": "10", "file": "e-carbon-tetrachloride.md", "generated": true, "harvested": "2026-08-05", "id": "e-carbon-tetrachloride", "rcra_waste_number": "U211", "regulatory_categories": "1,2,3,4", "source_quote": "(e) Carbon tetrachloride | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(e) Carbon tetrachloride", "title": "(e) Carbon tetrachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (e) Chlorobenzene\n\n**CAS No.:** 108-90-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U037\n\n**Regulatory categories:** 1,2,3,4\n\n> (e) Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-90-7", "cercla_rq_lbs": "100", "file": "e-chlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "e-chlorobenzene", "rcra_waste_number": "U037", "regulatory_categories": "1,2,3,4", "source_quote": "(e) Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(e) Chlorobenzene", "title": "(e) Chlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (e) Pyridine\n\n**CAS No.:** 110-86-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U196\n\n**Regulatory categories:** 4\n\n> (e) Pyridine | 110-86-1 | 4 | U196 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-86-1", "cercla_rq_lbs": "1000", "file": "e-pyridine.md", "generated": true, "harvested": "2026-08-05", "id": "e-pyridine", "rcra_waste_number": "U196", "regulatory_categories": "4", "source_quote": "(e) Pyridine | 110-86-1 | 4 | U196 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(e) Pyridine", "title": "(e) Pyridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Emetine, Dihydrochloride\n\n**CAS No.:** 316-42-7\n\n**EPCRA TPQ (lbs):** 1/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 316-42-7 | Emetine, Dihydrochloride | d | 1 | 1/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "316-42-7", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1/10,000", "file": "emetine-dihydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "emetine-dihydrochloride", "source_quote": "316-42-7 | Emetine, Dihydrochloride | d | 1 | 1/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Emetine, Dihydrochloride", "title": "Emetine, Dihydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endosulfan\n\n**CAS No.:** 115-29-7\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 115-29-7 | Endosulfan | | 1 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "115-29-7", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "10/10,000", "file": "endosulfan-2.md", "generated": true, "harvested": "2026-08-05", "id": "endosulfan-2", "source_quote": "115-29-7 | Endosulfan | | 1 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Endosulfan", "title": "Endosulfan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endosulfan sulfate\n\n**CAS No.:** 1031-07-8\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> Endosulfan sulfate | 1031-07-8 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1031-07-8", "cercla_rq_lbs": "1", "file": "endosulfan-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "endosulfan-sulfate", "regulatory_categories": "2", "source_quote": "Endosulfan sulfate | 1031-07-8 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endosulfan sulfate", "title": "Endosulfan sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endosulfan\n\n**CAS No.:** 115-29-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P050\n\n**Regulatory categories:** 1,2,4\n\n> Endosulfan | 115-29-7 | 1,2,4 | P050 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "115-29-7", "cercla_rq_lbs": "1", "file": "endosulfan.md", "generated": true, "harvested": "2026-08-05", "id": "endosulfan", "rcra_waste_number": "P050", "regulatory_categories": "1,2,4", "source_quote": "Endosulfan | 115-29-7 | 1,2,4 | P050 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endosulfan", "title": "Endosulfan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endothall\n\n**CAS No.:** 145-73-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P088\n\n**Regulatory categories:** 4\n\n> Endothall | 145-73-3 | 4 | P088 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "145-73-3", "cercla_rq_lbs": "1000", "file": "endothall.md", "generated": true, "harvested": "2026-08-05", "id": "endothall", "rcra_waste_number": "P088", "regulatory_categories": "4", "source_quote": "Endothall | 145-73-3 | 4 | P088 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endothall", "title": "Endothall \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endothion\n\n**CAS No.:** 2778-04-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 2778-04-3 | Endothion | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2778-04-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "endothion.md", "generated": true, "harvested": "2026-08-05", "id": "endothion", "source_quote": "2778-04-3 | Endothion | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Endothion", "title": "Endothion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endrin\n\n**CAS No.:** 72-20-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 72-20-8 | Endrin | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "72-20-8", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "endrin-2.md", "generated": true, "harvested": "2026-08-05", "id": "endrin-2", "source_quote": "72-20-8 | Endrin | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Endrin", "title": "Endrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endrin aldehyde\n\n**CAS No.:** 7421-93-4\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> Endrin aldehyde | 7421-93-4 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7421-93-4", "cercla_rq_lbs": "1", "file": "endrin-aldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "endrin-aldehyde", "regulatory_categories": "2", "source_quote": "Endrin aldehyde | 7421-93-4 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endrin aldehyde", "title": "Endrin aldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endrin, & metabolites\n\n**CAS No.:** 72-20-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P051\n\n**Regulatory categories:** 1,2,4\n\n> Endrin, & metabolites | 72-20-8 | 1,2,4 | P051 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-20-8", "cercla_rq_lbs": "1", "file": "endrin-metabolites.md", "generated": true, "harvested": "2026-08-05", "id": "endrin-metabolites", "rcra_waste_number": "P051", "regulatory_categories": "1,2,4", "source_quote": "Endrin, & metabolites | 72-20-8 | 1,2,4 | P051 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endrin, & metabolites", "title": "Endrin, & metabolites \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Endrin\n\n**CAS No.:** 72-20-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P051\n\n**Regulatory categories:** 1,2,4\n\n> Endrin | 72-20-8 | 1,2,4 | P051 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-20-8", "cercla_rq_lbs": "1", "file": "endrin.md", "generated": true, "harvested": "2026-08-05", "id": "endrin", "rcra_waste_number": "P051", "regulatory_categories": "1,2,4", "source_quote": "Endrin | 72-20-8 | 1,2,4 | P051 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Endrin", "title": "Endrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Epichlorohydrin\n\n**CAS No.:** 106-89-8\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 100\n\n> 106-89-8 | Epichlorohydrin | f | 100 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "106-89-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "1,000", "file": "epichlorohydrin-2.md", "generated": true, "harvested": "2026-08-05", "id": "epichlorohydrin-2", "source_quote": "106-89-8 | Epichlorohydrin | f | 100 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Epichlorohydrin", "title": "Epichlorohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Epichlorohydrin\n\n**CAS No.:** 106-89-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U041\n\n**Regulatory categories:** 1,3,4\n\n> Epichlorohydrin | 106-89-8 | 1,3,4 | U041 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-89-8", "cercla_rq_lbs": "100", "file": "epichlorohydrin.md", "generated": true, "harvested": "2026-08-05", "id": "epichlorohydrin", "rcra_waste_number": "U041", "regulatory_categories": "1,3,4", "source_quote": "Epichlorohydrin | 106-89-8 | 1,3,4 | U041 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Epichlorohydrin", "title": "Epichlorohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Epinephrine\n\n**CAS No.:** 51-43-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P042\n\n**Regulatory categories:** 4\n\n> Epinephrine | 51-43-4 | 4 | P042 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-43-4", "cercla_rq_lbs": "1000", "file": "epinephrine.md", "generated": true, "harvested": "2026-08-05", "id": "epinephrine", "rcra_waste_number": "P042", "regulatory_categories": "4", "source_quote": "Epinephrine | 51-43-4 | 4 | P042 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Epinephrine", "title": "Epinephrine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** EPN\n\n**CAS No.:** 2104-64-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 2104-64-5 | EPN | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2104-64-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "epn.md", "generated": true, "harvested": "2026-08-05", "id": "epn", "source_quote": "2104-64-5 | EPN | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "EPN", "title": "EPN \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ergocalciferol\n\n**CAS No.:** 50-14-6\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 50-14-6 | Ergocalciferol | b | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "50-14-6", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "ergocalciferol.md", "generated": true, "harvested": "2026-08-05", "id": "ergocalciferol", "source_quote": "50-14-6 | Ergocalciferol | b | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ergocalciferol", "title": "Ergocalciferol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ergotamine Tartrate\n\n**CAS No.:** 379-79-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 379-79-3 | Ergotamine Tartrate | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "379-79-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "ergotamine-tartrate.md", "generated": true, "harvested": "2026-08-05", "id": "ergotamine-tartrate", "source_quote": "379-79-3 | Ergotamine Tartrate | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ergotamine Tartrate", "title": "Ergotamine Tartrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanal\n\n**CAS No.:** 75-07-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U001\n\n**Regulatory categories:** 1,3,4\n\n> Ethanal | 75-07-0 | 1,3,4 | U001 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-07-0", "cercla_rq_lbs": "1000", "file": "ethanal.md", "generated": true, "harvested": "2026-08-05", "id": "ethanal", "rcra_waste_number": "U001", "regulatory_categories": "1,3,4", "source_quote": "Ethanal | 75-07-0 | 1,3,4 | U001 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanal", "title": "Ethanal \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanamine, N-ethyl-N-nitroso-\n\n**CAS No.:** 55-18-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U174\n\n**Regulatory categories:** 4\n\n> Ethanamine, N-ethyl-N-nitroso- | 55-18-5 | 4 | U174 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-18-5", "cercla_rq_lbs": "1", "file": "ethanamine-n-ethyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "ethanamine-n-ethyl-n-nitroso", "rcra_waste_number": "U174", "regulatory_categories": "4", "source_quote": "Ethanamine, N-ethyl-N-nitroso- | 55-18-5 | 4 | U174 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanamine, N-ethyl-N-nitroso-", "title": "Ethanamine, N-ethyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanamine, N,N-diethyl-\n\n**CAS No.:** 121-44-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U404\n\n**Regulatory categories:** 1,3,4\n\n> Ethanamine, N,N-diethyl- | 121-44-8 | 1,3,4 | U404 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-44-8", "cercla_rq_lbs": "5000", "file": "ethanamine-n-n-diethyl.md", "generated": true, "harvested": "2026-08-05", "id": "ethanamine-n-n-diethyl", "rcra_waste_number": "U404", "regulatory_categories": "1,3,4", "source_quote": "Ethanamine, N,N-diethyl- | 121-44-8 | 1,3,4 | U404 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanamine, N,N-diethyl-", "title": "Ethanamine, N,N-diethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1,1,2-tetrachloro-\n\n**CAS No.:** 630-20-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U208\n\n**Regulatory categories:** 4\n\n> Ethane, 1,1,1,2-tetrachloro- | 630-20-6 | 4 | U208 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "630-20-6", "cercla_rq_lbs": "100", "file": "ethane-1-1-1-2-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-1-2-tetrachloro", "rcra_waste_number": "U208", "regulatory_categories": "4", "source_quote": "Ethane, 1,1,1,2-tetrachloro- | 630-20-6 | 4 | U208 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1,1,2-tetrachloro-", "title": "Ethane, 1,1,1,2-tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1,1-trichloro-\n\n**CAS No.:** 71-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U226\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, 1,1,1-trichloro- | 71-55-6 | 2,3,4 | U226 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-55-6", "cercla_rq_lbs": "1000", "file": "ethane-1-1-1-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-1-trichloro", "rcra_waste_number": "U226", "regulatory_categories": "2,3,4", "source_quote": "Ethane, 1,1,1-trichloro- | 71-55-6 | 2,3,4 | U226 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1,1-trichloro-", "title": "Ethane, 1,1,1-trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1,2,2-tetrachloro-\n\n**CAS No.:** 79-34-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U209\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, 1,1,2,2-tetrachloro- | 79-34-5 | 2,3,4 | U209 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-34-5", "cercla_rq_lbs": "100", "file": "ethane-1-1-2-2-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-2-2-tetrachloro", "rcra_waste_number": "U209", "regulatory_categories": "2,3,4", "source_quote": "Ethane, 1,1,2,2-tetrachloro- | 79-34-5 | 2,3,4 | U209 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1,2,2-tetrachloro-", "title": "Ethane, 1,1,2,2-tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1,2-trichloro-\n\n**CAS No.:** 79-00-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U227\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, 1,1,2-trichloro- | 79-00-5 | 2,3,4 | U227 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-00-5", "cercla_rq_lbs": "100", "file": "ethane-1-1-2-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-2-trichloro", "rcra_waste_number": "U227", "regulatory_categories": "2,3,4", "source_quote": "Ethane, 1,1,2-trichloro- | 79-00-5 | 2,3,4 | U227 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1,2-trichloro-", "title": "Ethane, 1,1,2-trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1-dichloro-\n\n**CAS No.:** 75-34-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U076\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, 1,1-dichloro- | 75-34-3 | 2,3,4 | U076 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-34-3", "cercla_rq_lbs": "1000", "file": "ethane-1-1-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-dichloro", "rcra_waste_number": "U076", "regulatory_categories": "2,3,4", "source_quote": "Ethane, 1,1-dichloro- | 75-34-3 | 2,3,4 | U076 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1-dichloro-", "title": "Ethane, 1,1-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1\u2032-[methylenebis(oxy)]bis[2- chloro-\n\n**CAS No.:** 111-91-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U024\n\n**Regulatory categories:** 2,4\n\n> Ethane, 1,1\u2032-[methylenebis(oxy)]bis[2- chloro- | 111-91-1 | 2,4 | U024 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-91-1", "cercla_rq_lbs": "1000", "file": "ethane-1-1-methylenebis-oxy-bis-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-methylenebis-oxy-bis-2-chloro", "rcra_waste_number": "U024", "regulatory_categories": "2,4", "source_quote": "Ethane, 1,1\u2032-[methylenebis(oxy)]bis[2- chloro- | 111-91-1 | 2,4 | U024 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1\u2032-[methylenebis(oxy)]bis[2- chloro-", "title": "Ethane, 1,1\u2032-[methylenebis(oxy)]bis[2- chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1\u2032-oxybis[2-chloro-\n\n**CAS No.:** 111-44-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U025\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, 1,1\u2032-oxybis[2-chloro- | 111-44-4 | 2,3,4 | U025 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-44-4", "cercla_rq_lbs": "10", "file": "ethane-1-1-oxybis-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-oxybis-2-chloro", "rcra_waste_number": "U025", "regulatory_categories": "2,3,4", "source_quote": "Ethane, 1,1\u2032-oxybis[2-chloro- | 111-44-4 | 2,3,4 | U025 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1\u2032-oxybis[2-chloro-", "title": "Ethane, 1,1\u2032-oxybis[2-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,1\u2032-oxybis-\n\n**CAS No.:** 60-29-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U117\n\n**Regulatory categories:** 4\n\n> Ethane, 1,1\u2032-oxybis- | 60-29-7 | 4 | U117 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-29-7", "cercla_rq_lbs": "100", "file": "ethane-1-1-oxybis.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-1-oxybis", "rcra_waste_number": "U117", "regulatory_categories": "4", "source_quote": "Ethane, 1,1\u2032-oxybis- | 60-29-7 | 4 | U117 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,1\u2032-oxybis-", "title": "Ethane, 1,1\u2032-oxybis- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,2-dibromo-\n\n**CAS No.:** 106-93-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U067\n\n**Regulatory categories:** 1,3,4\n\n> Ethane, 1,2-dibromo- | 106-93-4 | 1,3,4 | U067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-93-4", "cercla_rq_lbs": "1", "file": "ethane-1-2-dibromo.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-2-dibromo", "rcra_waste_number": "U067", "regulatory_categories": "1,3,4", "source_quote": "Ethane, 1,2-dibromo- | 106-93-4 | 1,3,4 | U067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,2-dibromo-", "title": "Ethane, 1,2-dibromo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, 1,2-dichloro-\n\n**CAS No.:** 107-06-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U077\n\n**Regulatory categories:** 1,2,3,4\n\n> Ethane, 1,2-dichloro- | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-06-2", "cercla_rq_lbs": "100", "file": "ethane-1-2-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-1-2-dichloro", "rcra_waste_number": "U077", "regulatory_categories": "1,2,3,4", "source_quote": "Ethane, 1,2-dichloro- | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, 1,2-dichloro-", "title": "Ethane, 1,2-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, hexachloro-\n\n**CAS No.:** 67-72-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U131\n\n**Regulatory categories:** 2,3,4\n\n> Ethane, hexachloro- | 67-72-1 | 2,3,4 | U131 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-72-1", "cercla_rq_lbs": "100", "file": "ethane-hexachloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-hexachloro", "rcra_waste_number": "U131", "regulatory_categories": "2,3,4", "source_quote": "Ethane, hexachloro- | 67-72-1 | 2,3,4 | U131 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, hexachloro-", "title": "Ethane, hexachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethane, pentachloro-\n\n**CAS No.:** 76-01-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U184\n\n**Regulatory categories:** 4\n\n> Ethane, pentachloro- | 76-01-7 | 4 | U184 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "76-01-7", "cercla_rq_lbs": "10", "file": "ethane-pentachloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethane-pentachloro", "rcra_waste_number": "U184", "regulatory_categories": "4", "source_quote": "Ethane, pentachloro- | 76-01-7 | 4 | U184 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethane, pentachloro-", "title": "Ethane, pentachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanedinitrile\n\n**CAS No.:** 460-19-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P031\n\n**Regulatory categories:** 4\n\n> Ethanedinitrile | 460-19-5 | 4 | P031 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "460-19-5", "cercla_rq_lbs": "100", "file": "ethanedinitrile.md", "generated": true, "harvested": "2026-08-05", "id": "ethanedinitrile", "rcra_waste_number": "P031", "regulatory_categories": "4", "source_quote": "Ethanedinitrile | 460-19-5 | 4 | P031 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanedinitrile", "title": "Ethanedinitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanesulfonyl Chloride, 2-Chloro-\n\n**CAS No.:** 1622-32-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 1622-32-8 | Ethanesulfonyl Chloride, 2-Chloro- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1622-32-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "ethanesulfonyl-chloride-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethanesulfonyl-chloride-2-chloro", "source_quote": "500/10,000 | 1622-32-8 | Ethanesulfonyl Chloride, 2-Chloro- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethanesulfonyl Chloride, 2-Chloro-", "title": "Ethanesulfonyl Chloride, 2-Chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanethioamide\n\n**CAS No.:** 62-55-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U218\n\n**Regulatory categories:** 4\n\n> Ethanethioamide | 62-55-5 | 4 | U218 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-55-5", "cercla_rq_lbs": "10", "file": "ethanethioamide.md", "generated": true, "harvested": "2026-08-05", "id": "ethanethioamide", "rcra_waste_number": "U218", "regulatory_categories": "4", "source_quote": "Ethanethioamide | 62-55-5 | 4 | U218 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanethioamide", "title": "Ethanethioamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester\n\n**CAS No.:** 30558-43-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U394\n\n**Regulatory categories:** 4\n\n> Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester | 30558-43-1 | 4 | U394 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "30558-43-1", "cercla_rq_lbs": "5000", "file": "ethanimidothioic-acid-2-dimethylamino-n-hydroxy-2-oxo-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "ethanimidothioic-acid-2-dimethylamino-n-hydroxy-2-oxo-methyl-ester", "rcra_waste_number": "U394", "regulatory_categories": "4", "source_quote": "Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester | 30558-43-1 | 4 | U394 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester", "title": "Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester\n\n**CAS No.:** 23135-22-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P194\n\n**Regulatory categories:** 4\n\n> Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester | 23135-22-0 | 4 | P194 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23135-22-0", "cercla_rq_lbs": "100", "file": "ethanimidothioic-acid-2-dimethylamino-n-methylamino-carbonyl-oxy-2-oxo-methyl-es.md", "generated": true, "harvested": "2026-08-05", "id": "ethanimidothioic-acid-2-dimethylamino-n-methylamino-carbonyl-oxy-2-oxo-methyl-es", "rcra_waste_number": "P194", "regulatory_categories": "4", "source_quote": "Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester | 23135-22-0 | 4 | P194 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester", "title": "Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester\n\n**CAS No.:** 16752-77-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P066\n\n**Regulatory categories:** 4\n\n> Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester | 16752-77-5 | 4 | P066 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16752-77-5", "cercla_rq_lbs": "100", "file": "ethanimidothioic-acid-n-methylamino-carbonyl-oxy-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "ethanimidothioic-acid-n-methylamino-carbonyl-oxy-methyl-ester", "rcra_waste_number": "P066", "regulatory_categories": "4", "source_quote": "Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester | 16752-77-5 | 4 | P066 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester", "title": "Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanimidothioic acid, N,N\u2032- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester\n\n**CAS No.:** 59669-26-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U410\n\n**Regulatory categories:** 4\n\n> Ethanimidothioic acid, N,N\u2032- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester | 59669-26-0 | 4 | U410 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "59669-26-0", "cercla_rq_lbs": "100", "file": "ethanimidothioic-acid-n-n-thiobis-methylimino-carbonyloxy-bis-dimethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "ethanimidothioic-acid-n-n-thiobis-methylimino-carbonyloxy-bis-dimethyl-ester", "rcra_waste_number": "U410", "regulatory_categories": "4", "source_quote": "Ethanimidothioic acid, N,N\u2032- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester | 59669-26-0 | 4 | U410 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanimidothioic acid, N,N\u2032- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester", "title": "Ethanimidothioic acid, N,N\u2032- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanol, 1,2-Dichloro-, Acetate\n\n**CAS No.:** 10140-87-1\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 10140-87-1 | Ethanol, 1,2-Dichloro-, Acetate | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10140-87-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "ethanol-1-2-dichloro-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "ethanol-1-2-dichloro-acetate", "source_quote": "10140-87-1 | Ethanol, 1,2-Dichloro-, Acetate | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethanol, 1,2-Dichloro-, Acetate", "title": "Ethanol, 1,2-Dichloro-, Acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanol, 2,2\u2032-(nitrosoimino)bis-\n\n**CAS No.:** 1116-54-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U173\n\n**Regulatory categories:** 4\n\n> Ethanol, 2,2\u2032-(nitrosoimino)bis- | 1116-54-7 | 4 | U173 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1116-54-7", "cercla_rq_lbs": "1", "file": "ethanol-2-2-nitrosoimino-bis.md", "generated": true, "harvested": "2026-08-05", "id": "ethanol-2-2-nitrosoimino-bis", "rcra_waste_number": "U173", "regulatory_categories": "4", "source_quote": "Ethanol, 2,2\u2032-(nitrosoimino)bis- | 1116-54-7 | 4 | U173 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanol, 2,2\u2032-(nitrosoimino)bis-", "title": "Ethanol, 2,2\u2032-(nitrosoimino)bis- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanol, 2,2\u2032-oxybis-, dicarbamate\n\n**CAS No.:** 5952-26-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U395\n\n**Regulatory categories:** 4\n\n> Ethanol, 2,2\u2032-oxybis-, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "5952-26-1", "cercla_rq_lbs": "5000", "file": "ethanol-2-2-oxybis-dicarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "ethanol-2-2-oxybis-dicarbamate", "rcra_waste_number": "U395", "regulatory_categories": "4", "source_quote": "Ethanol, 2,2\u2032-oxybis-, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanol, 2,2\u2032-oxybis-, dicarbamate", "title": "Ethanol, 2,2\u2032-oxybis-, dicarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanol, 2-ethoxy-\n\n**CAS No.:** 110-80-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U359\n\n**Regulatory categories:** 4\n\n> Ethanol, 2-ethoxy- | 110-80-5 | 4 | U359 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-80-5", "cercla_rq_lbs": "1000", "file": "ethanol-2-ethoxy.md", "generated": true, "harvested": "2026-08-05", "id": "ethanol-2-ethoxy", "rcra_waste_number": "U359", "regulatory_categories": "4", "source_quote": "Ethanol, 2-ethoxy- | 110-80-5 | 4 | U359 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanol, 2-ethoxy-", "title": "Ethanol, 2-ethoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethanone, 1-phenyl-\n\n**CAS No.:** 98-86-2\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U004\n\n**Regulatory categories:** 3,4\n\n> Ethanone, 1-phenyl- | 98-86-2 | 3,4 | U004 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-86-2", "cercla_rq_lbs": "5000", "file": "ethanone-1-phenyl.md", "generated": true, "harvested": "2026-08-05", "id": "ethanone-1-phenyl", "rcra_waste_number": "U004", "regulatory_categories": "3,4", "source_quote": "Ethanone, 1-phenyl- | 98-86-2 | 3,4 | U004 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethanone, 1-phenyl-", "title": "Ethanone, 1-phenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, 1,1-dichloro-\n\n**CAS No.:** 75-35-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U078\n\n**Regulatory categories:** 1,2,3,4\n\n> Ethene, 1,1-dichloro- | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-35-4", "cercla_rq_lbs": "100", "file": "ethene-1-1-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-1-1-dichloro", "rcra_waste_number": "U078", "regulatory_categories": "1,2,3,4", "source_quote": "Ethene, 1,1-dichloro- | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, 1,1-dichloro-", "title": "Ethene, 1,1-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, 1,2-dichloro-(E)\n\n**CAS No.:** 156-60-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U079\n\n**Regulatory categories:** 2,4\n\n> Ethene, 1,2-dichloro-(E) | 156-60-5 | 2,4 | U079 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "156-60-5", "cercla_rq_lbs": "1000", "file": "ethene-1-2-dichloro-e.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-1-2-dichloro-e", "rcra_waste_number": "U079", "regulatory_categories": "2,4", "source_quote": "Ethene, 1,2-dichloro-(E) | 156-60-5 | 2,4 | U079 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, 1,2-dichloro-(E)", "title": "Ethene, 1,2-dichloro-(E) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, (2-chloroethoxy)-\n\n**CAS No.:** 110-75-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U042\n\n**Regulatory categories:** 2,4\n\n> Ethene, (2-chloroethoxy)- | 110-75-8 | 2,4 | U042 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-75-8", "cercla_rq_lbs": "1000", "file": "ethene-2-chloroethoxy.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-2-chloroethoxy", "rcra_waste_number": "U042", "regulatory_categories": "2,4", "source_quote": "Ethene, (2-chloroethoxy)- | 110-75-8 | 2,4 | U042 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, (2-chloroethoxy)-", "title": "Ethene, (2-chloroethoxy)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, chloro-\n\n**CAS No.:** 75-01-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U043\n\n**Regulatory categories:** 2,3,4\n\n> Ethene, chloro- | 75-01-4 | 2,3,4 | U043 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-01-4", "cercla_rq_lbs": "1", "file": "ethene-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-chloro", "rcra_waste_number": "U043", "regulatory_categories": "2,3,4", "source_quote": "Ethene, chloro- | 75-01-4 | 2,3,4 | U043 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, chloro-", "title": "Ethene, chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, tetrachloro-\n\n**CAS No.:** 127-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U210\n\n**Regulatory categories:** 2,3,4\n\n> Ethene, tetrachloro- | 127-18-4 | 2,3,4 | U210 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "127-18-4", "cercla_rq_lbs": "100", "file": "ethene-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-tetrachloro", "rcra_waste_number": "U210", "regulatory_categories": "2,3,4", "source_quote": "Ethene, tetrachloro- | 127-18-4 | 2,3,4 | U210 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, tetrachloro-", "title": "Ethene, tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethene, trichloro-\n\n**CAS No.:** 79-01-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U228\n\n**Regulatory categories:** 1,2,3,4\n\n> Ethene, trichloro- | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-01-6", "cercla_rq_lbs": "100", "file": "ethene-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "ethene-trichloro", "rcra_waste_number": "U228", "regulatory_categories": "1,2,3,4", "source_quote": "Ethene, trichloro- | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethene, trichloro-", "title": "Ethene, trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethion\n\n**CAS No.:** 563-12-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 563-12-2 | Ethion | | 10 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "563-12-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "ethion-2.md", "generated": true, "harvested": "2026-08-05", "id": "ethion-2", "source_quote": "563-12-2 | Ethion | | 10 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethion", "title": "Ethion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethion\n\n**CAS No.:** 563-12-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Ethion | 563-12-2 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "563-12-2", "cercla_rq_lbs": "10", "file": "ethion.md", "generated": true, "harvested": "2026-08-05", "id": "ethion", "regulatory_categories": "1", "source_quote": "Ethion | 563-12-2 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethion", "title": "Ethion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethoprophos\n\n**CAS No.:** 13194-48-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 13194-48-4 | Ethoprophos | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13194-48-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "ethoprophos.md", "generated": true, "harvested": "2026-08-05", "id": "ethoprophos", "source_quote": "13194-48-4 | Ethoprophos | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethoprophos", "title": "Ethoprophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl acetate\n\n**CAS No.:** 141-78-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U112\n\n**Regulatory categories:** 4\n\n> Ethyl acetate | 141-78-6 | 4 | U112 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "141-78-6", "cercla_rq_lbs": "5000", "file": "ethyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-acetate", "rcra_waste_number": "U112", "regulatory_categories": "4", "source_quote": "Ethyl acetate | 141-78-6 | 4 | U112 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl acetate", "title": "Ethyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl acrylate\n\n**CAS No.:** 140-88-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U113\n\n**Regulatory categories:** 3,4\n\n> Ethyl acrylate | 140-88-5 | 3,4 | U113 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "140-88-5", "cercla_rq_lbs": "1000", "file": "ethyl-acrylate.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-acrylate", "rcra_waste_number": "U113", "regulatory_categories": "3,4", "source_quote": "Ethyl acrylate | 140-88-5 | 3,4 | U113 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl acrylate", "title": "Ethyl acrylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl carbamate\n\n**CAS No.:** 51-79-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U238\n\n**Regulatory categories:** 3,4\n\n> Ethyl carbamate | 51-79-6 | 3,4 | U238 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-79-6", "cercla_rq_lbs": "100", "file": "ethyl-carbamate.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-carbamate", "rcra_waste_number": "U238", "regulatory_categories": "3,4", "source_quote": "Ethyl carbamate | 51-79-6 | 3,4 | U238 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl carbamate", "title": "Ethyl carbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl chloride\n\n**CAS No.:** 75-00-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2,3\n\n> Ethyl chloride | 75-00-3 | 2,3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-00-3", "cercla_rq_lbs": "100", "file": "ethyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-chloride", "regulatory_categories": "2,3", "source_quote": "Ethyl chloride | 75-00-3 | 2,3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl chloride", "title": "Ethyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl cyanide\n\n**CAS No.:** 107-12-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P101\n\n**Regulatory categories:** 4\n\n> Ethyl cyanide | 107-12-0 | 4 | P101 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-12-0", "cercla_rq_lbs": "10", "file": "ethyl-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-cyanide", "rcra_waste_number": "P101", "regulatory_categories": "4", "source_quote": "Ethyl cyanide | 107-12-0 | 4 | P101 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl cyanide", "title": "Ethyl cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl ether\n\n**CAS No.:** 60-29-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U117\n\n**Regulatory categories:** 4\n\n> Ethyl ether | 60-29-7 | 4 | U117 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-29-7", "cercla_rq_lbs": "100", "file": "ethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-ether", "rcra_waste_number": "U117", "regulatory_categories": "4", "source_quote": "Ethyl ether | 60-29-7 | 4 | U117 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl ether", "title": "Ethyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl methacrylate\n\n**CAS No.:** 97-63-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U118\n\n**Regulatory categories:** 4\n\n> Ethyl methacrylate | 97-63-2 | 4 | U118 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "97-63-2", "cercla_rq_lbs": "1000", "file": "ethyl-methacrylate.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-methacrylate", "rcra_waste_number": "U118", "regulatory_categories": "4", "source_quote": "Ethyl methacrylate | 97-63-2 | 4 | U118 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl methacrylate", "title": "Ethyl methacrylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyl methanesulfonate\n\n**CAS No.:** 62-50-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U119\n\n**Regulatory categories:** 4\n\n> Ethyl methanesulfonate | 62-50-0 | 4 | U119 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-50-0", "cercla_rq_lbs": "1", "file": "ethyl-methanesulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "ethyl-methanesulfonate", "rcra_waste_number": "U119", "regulatory_categories": "4", "source_quote": "Ethyl methanesulfonate | 62-50-0 | 4 | U119 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethyl methanesulfonate", "title": "Ethyl methanesulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylbenzene\n\n**CAS No.:** 100-41-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,2,3\n\n> Ethylbenzene | 100-41-4 | 1,2,3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-41-4", "cercla_rq_lbs": "1000", "file": "ethylbenzene.md", "generated": true, "harvested": "2026-08-05", "id": "ethylbenzene", "regulatory_categories": "1,2,3", "source_quote": "Ethylbenzene | 100-41-4 | 1,2,3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylbenzene", "title": "Ethylbenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylbis(2-Chloroethyl)Amine\n\n**CAS No.:** 538-07-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 538-07-8 | Ethylbis(2-Chloroethyl)Amine | d | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "538-07-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "ethylbis-2-chloroethyl-amine.md", "generated": true, "harvested": "2026-08-05", "id": "ethylbis-2-chloroethyl-amine", "source_quote": "538-07-8 | Ethylbis(2-Chloroethyl)Amine | d | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethylbis(2-Chloroethyl)Amine", "title": "Ethylbis(2-Chloroethyl)Amine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene dibromide\n\n**CAS No.:** 106-93-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U067\n\n**Regulatory categories:** 1,3,4\n\n> Ethylene dibromide | 106-93-4 | 1,3,4 | U067 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-93-4", "cercla_rq_lbs": "1", "file": "ethylene-dibromide.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-dibromide", "rcra_waste_number": "U067", "regulatory_categories": "1,3,4", "source_quote": "Ethylene dibromide | 106-93-4 | 1,3,4 | U067 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylene dibromide", "title": "Ethylene dibromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene dichloride\n\n**CAS No.:** 107-06-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U077\n\n**Regulatory categories:** 1,2,3,4\n\n> Ethylene dichloride | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-06-2", "cercla_rq_lbs": "100", "file": "ethylene-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-dichloride", "rcra_waste_number": "U077", "regulatory_categories": "1,2,3,4", "source_quote": "Ethylene dichloride | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylene dichloride", "title": "Ethylene dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene Fluorohydrin\n\n**CAS No.:** 371-62-0\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 371-62-0 | Ethylene Fluorohydrin | b, d | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "371-62-0", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "ethylene-fluorohydrin.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-fluorohydrin", "source_quote": "371-62-0 | Ethylene Fluorohydrin | b, d | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethylene Fluorohydrin", "title": "Ethylene Fluorohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene glycol monoethyl ether\n\n**CAS No.:** 110-80-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U359\n\n**Regulatory categories:** 4\n\n> Ethylene glycol monoethyl ether | 110-80-5 | 4 | U359 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-80-5", "cercla_rq_lbs": "1000", "file": "ethylene-glycol-monoethyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-glycol-monoethyl-ether", "rcra_waste_number": "U359", "regulatory_categories": "4", "source_quote": "Ethylene glycol monoethyl ether | 110-80-5 | 4 | U359 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylene glycol monoethyl ether", "title": "Ethylene glycol monoethyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene glycol\n\n**CAS No.:** 107-21-1\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 3\n\n> Ethylene glycol | 107-21-1 | 3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-21-1", "cercla_rq_lbs": "5000", "file": "ethylene-glycol.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-glycol", "regulatory_categories": "3", "source_quote": "Ethylene glycol | 107-21-1 | 3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylene glycol", "title": "Ethylene glycol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene Oxide\n\n**CAS No.:** 75-21-8\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 75-21-8 | Ethylene Oxide | f | 10 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-21-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "ethylene-oxide-2.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-oxide-2", "source_quote": "10 | 75-21-8 | Ethylene Oxide | f | 10 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethylene Oxide", "title": "Ethylene Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylene oxide\n\n**CAS No.:** 75-21-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U115\n\n**Regulatory categories:** 3,4\n\n> Ethylene oxide | 75-21-8 | 3,4 | U115 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-21-8", "cercla_rq_lbs": "10", "file": "ethylene-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "ethylene-oxide", "rcra_waste_number": "U115", "regulatory_categories": "3,4", "source_quote": "Ethylene oxide | 75-21-8 | 3,4 | U115 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylene oxide", "title": "Ethylene oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenebisdithiocarbamic acid, salts & esters\n\n**CAS No.:** 111-54-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U114\n\n**Regulatory categories:** 4\n\n> Ethylenebisdithiocarbamic acid, salts & esters | 111-54-6 | 4 | U114 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "111-54-6", "cercla_rq_lbs": "5000", "file": "ethylenebisdithiocarbamic-acid-salts-esters.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenebisdithiocarbamic-acid-salts-esters", "rcra_waste_number": "U114", "regulatory_categories": "4", "source_quote": "Ethylenebisdithiocarbamic acid, salts & esters | 111-54-6 | 4 | U114 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylenebisdithiocarbamic acid, salts & esters", "title": "Ethylenebisdithiocarbamic acid, salts & esters \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenediamine\n\n**CAS No.:** 107-15-3\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 5,000\n\n> 107-15-3 | Ethylenediamine | | 5,000 | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-15-3", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "10,000", "file": "ethylenediamine-2.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenediamine-2", "source_quote": "107-15-3 | Ethylenediamine | | 5,000 | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethylenediamine", "title": "Ethylenediamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenediamine-tetraacetic acid (EDTA)\n\n**CAS No.:** 60-00-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ethylenediamine-tetraacetic acid (EDTA) | 60-00-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-00-4", "cercla_rq_lbs": "5000", "file": "ethylenediamine-tetraacetic-acid-edta.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenediamine-tetraacetic-acid-edta", "regulatory_categories": "1", "source_quote": "Ethylenediamine-tetraacetic acid (EDTA) | 60-00-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylenediamine-tetraacetic acid (EDTA)", "title": "Ethylenediamine-tetraacetic acid (EDTA) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenediamine\n\n**CAS No.:** 107-15-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Ethylenediamine | 107-15-3 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-15-3", "cercla_rq_lbs": "5000", "file": "ethylenediamine.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenediamine", "regulatory_categories": "1", "source_quote": "Ethylenediamine | 107-15-3 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylenediamine", "title": "Ethylenediamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethyleneimine\n\n**CAS No.:** 151-56-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 151-56-4 | Ethyleneimine | | 1 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "151-56-4", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "ethyleneimine.md", "generated": true, "harvested": "2026-08-05", "id": "ethyleneimine", "source_quote": "151-56-4 | Ethyleneimine | | 1 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethyleneimine", "title": "Ethyleneimine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenethiourea\n\n**CAS No.:** 96-45-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U116\n\n**Regulatory categories:** 3,4\n\n> Ethylenethiourea | 96-45-7 | 3,4 | U116 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "96-45-7", "cercla_rq_lbs": "10", "file": "ethylenethiourea.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenethiourea", "rcra_waste_number": "U116", "regulatory_categories": "3,4", "source_quote": "Ethylenethiourea | 96-45-7 | 3,4 | U116 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylenethiourea", "title": "Ethylenethiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylenimine\n\n**CAS No.:** 151-56-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P054\n\n**Regulatory categories:** 3,4\n\n> Ethylenimine | 151-56-4 | 3,4 | P054 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "151-56-4", "cercla_rq_lbs": "1", "file": "ethylenimine.md", "generated": true, "harvested": "2026-08-05", "id": "ethylenimine", "rcra_waste_number": "P054", "regulatory_categories": "3,4", "source_quote": "Ethylenimine | 151-56-4 | 3,4 | P054 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylenimine", "title": "Ethylenimine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylidene dichloride\n\n**CAS No.:** 75-34-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U076\n\n**Regulatory categories:** 2,3,4\n\n> Ethylidene dichloride | 75-34-3 | 2,3,4 | U076 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-34-3", "cercla_rq_lbs": "1000", "file": "ethylidene-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "ethylidene-dichloride", "rcra_waste_number": "U076", "regulatory_categories": "2,3,4", "source_quote": "Ethylidene dichloride | 75-34-3 | 2,3,4 | U076 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ethylidene dichloride", "title": "Ethylidene dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ethylthiocyanate\n\n**CAS No.:** 542-90-5\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 10,000\n\n> 542-90-5 | Ethylthiocyanate | | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "542-90-5", "epcra_rq_lbs": "10,000", "epcra_tpq_lbs": "10,000", "file": "ethylthiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "ethylthiocyanate", "source_quote": "542-90-5 | Ethylthiocyanate | | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ethylthiocyanate", "title": "Ethylthiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Famphur\n\n**CAS No.:** 52-85-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P097\n\n**Regulatory categories:** 4\n\n> Famphur | 52-85-7 | 4 | P097 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52-85-7", "cercla_rq_lbs": "1000", "file": "famphur.md", "generated": true, "harvested": "2026-08-05", "id": "famphur", "rcra_waste_number": "P097", "regulatory_categories": "4", "source_quote": "Famphur | 52-85-7 | 4 | P097 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Famphur", "title": "Famphur \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fenamiphos\n\n**CAS No.:** 22224-92-6\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 22224-92-6 | Fenamiphos | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "22224-92-6", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "fenamiphos.md", "generated": true, "harvested": "2026-08-05", "id": "fenamiphos", "source_quote": "22224-92-6 | Fenamiphos | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fenamiphos", "title": "Fenamiphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fensulfothion\n\n**CAS No.:** 115-90-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 115-90-2 | Fensulfothion | d | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "115-90-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "fensulfothion.md", "generated": true, "harvested": "2026-08-05", "id": "fensulfothion", "source_quote": "115-90-2 | Fensulfothion | d | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fensulfothion", "title": "Fensulfothion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferric ammonium citrate\n\n**CAS No.:** 1185-57-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ferric ammonium citrate | 1185-57-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1185-57-5", "cercla_rq_lbs": "1000", "file": "ferric-ammonium-citrate.md", "generated": true, "harvested": "2026-08-05", "id": "ferric-ammonium-citrate", "regulatory_categories": "1", "source_quote": "Ferric ammonium citrate | 1185-57-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferric ammonium citrate", "title": "Ferric ammonium citrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferric chloride\n\n**CAS No.:** 7705-08-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ferric chloride | 7705-08-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7705-08-0", "cercla_rq_lbs": "1000", "file": "ferric-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "ferric-chloride", "regulatory_categories": "1", "source_quote": "Ferric chloride | 7705-08-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferric chloride", "title": "Ferric chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferric fluoride\n\n**CAS No.:** 7783-50-8\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ferric fluoride | 7783-50-8 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-50-8", "cercla_rq_lbs": "100", "file": "ferric-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "ferric-fluoride", "regulatory_categories": "1", "source_quote": "Ferric fluoride | 7783-50-8 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferric fluoride", "title": "Ferric fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferric nitrate\n\n**CAS No.:** 10421-48-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ferric nitrate | 10421-48-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10421-48-4", "cercla_rq_lbs": "1000", "file": "ferric-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "ferric-nitrate", "regulatory_categories": "1", "source_quote": "Ferric nitrate | 10421-48-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferric nitrate", "title": "Ferric nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferric sulfate\n\n**CAS No.:** 10028-22-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ferric sulfate | 10028-22-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10028-22-5", "cercla_rq_lbs": "1000", "file": "ferric-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "ferric-sulfate", "regulatory_categories": "1", "source_quote": "Ferric sulfate | 10028-22-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferric sulfate", "title": "Ferric sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferrous ammonium sulfate\n\n**CAS No.:** 10045-89-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Ferrous ammonium sulfate | 10045-89-3 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10045-89-3", "cercla_rq_lbs": "1000", "file": "ferrous-ammonium-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "ferrous-ammonium-sulfate", "regulatory_categories": "1", "source_quote": "Ferrous ammonium sulfate | 10045-89-3 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferrous ammonium sulfate", "title": "Ferrous ammonium sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ferrous chloride\n\n**CAS No.:** 7758-94-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Ferrous chloride | 7758-94-3 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7758-94-3", "cercla_rq_lbs": "100", "file": "ferrous-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "ferrous-chloride", "regulatory_categories": "1", "source_quote": "Ferrous chloride | 7758-94-3 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ferrous chloride", "title": "Ferrous chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluenetil\n\n**CAS No.:** 4301-50-2\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 4301-50-2 | Fluenetil | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4301-50-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "fluenetil.md", "generated": true, "harvested": "2026-08-05", "id": "fluenetil", "source_quote": "4301-50-2 | Fluenetil | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluenetil", "title": "Fluenetil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoranthene\n\n**CAS No.:** 206-44-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U120\n\n**Regulatory categories:** 2,4\n\n> Fluoranthene | 206-44-0 | 2,4 | U120 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "206-44-0", "cercla_rq_lbs": "100", "file": "fluoranthene.md", "generated": true, "harvested": "2026-08-05", "id": "fluoranthene", "rcra_waste_number": "U120", "regulatory_categories": "2,4", "source_quote": "Fluoranthene | 206-44-0 | 2,4 | U120 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fluoranthene", "title": "Fluoranthene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluorene\n\n**CAS No.:** 86-73-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Fluorene | 86-73-7 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "86-73-7", "cercla_rq_lbs": "5000", "file": "fluorene.md", "generated": true, "harvested": "2026-08-05", "id": "fluorene", "regulatory_categories": "2", "source_quote": "Fluorene | 86-73-7 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fluorene", "title": "Fluorene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluorine\n\n**CAS No.:** 7782-41-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 7782-41-4 | Fluorine | e | 10 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7782-41-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "fluorine-2.md", "generated": true, "harvested": "2026-08-05", "id": "fluorine-2", "source_quote": "7782-41-4 | Fluorine | e | 10 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluorine", "title": "Fluorine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluorine\n\n**CAS No.:** 7782-41-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P056\n\n**Regulatory categories:** 4\n\n> Fluorine | 7782-41-4 | 4 | P056 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7782-41-4", "cercla_rq_lbs": "10", "file": "fluorine.md", "generated": true, "harvested": "2026-08-05", "id": "fluorine", "rcra_waste_number": "P056", "regulatory_categories": "4", "source_quote": "Fluorine | 7782-41-4 | 4 | P056 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fluorine", "title": "Fluorine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoroacetamide\n\n**CAS No.:** 640-19-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 640-19-7 | Fluoroacetamide | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "640-19-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "fluoroacetamide-2.md", "generated": true, "harvested": "2026-08-05", "id": "fluoroacetamide-2", "source_quote": "640-19-7 | Fluoroacetamide | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluoroacetamide", "title": "Fluoroacetamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoroacetamide\n\n**CAS No.:** 640-19-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P057\n\n**Regulatory categories:** 4\n\n> Fluoroacetamide | 640-19-7 | 4 | P057 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "640-19-7", "cercla_rq_lbs": "100", "file": "fluoroacetamide.md", "generated": true, "harvested": "2026-08-05", "id": "fluoroacetamide", "rcra_waste_number": "P057", "regulatory_categories": "4", "source_quote": "Fluoroacetamide | 640-19-7 | 4 | P057 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fluoroacetamide", "title": "Fluoroacetamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoroacetic acid, sodium salt\n\n**CAS No.:** 62-74-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P058\n\n**Regulatory categories:** 4\n\n> Fluoroacetic acid, sodium salt | 62-74-8 | 4 | P058 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-74-8", "cercla_rq_lbs": "10", "file": "fluoroacetic-acid-sodium-salt.md", "generated": true, "harvested": "2026-08-05", "id": "fluoroacetic-acid-sodium-salt", "rcra_waste_number": "P058", "regulatory_categories": "4", "source_quote": "Fluoroacetic acid, sodium salt | 62-74-8 | 4 | P058 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fluoroacetic acid, sodium salt", "title": "Fluoroacetic acid, sodium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoroacetic Acid\n\n**CAS No.:** 144-49-0\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 100/10,000 | 144-49-0 | Fluoroacetic Acid | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "144-49-0", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "fluoroacetic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "fluoroacetic-acid", "source_quote": "100/10,000 | 144-49-0 | Fluoroacetic Acid | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluoroacetic Acid", "title": "Fluoroacetic Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluoroacetyl Chloride\n\n**CAS No.:** 359-06-8\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 10/10,000 | 359-06-8 | Fluoroacetyl Chloride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "359-06-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "fluoroacetyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "fluoroacetyl-chloride", "source_quote": "10/10,000 | 359-06-8 | Fluoroacetyl Chloride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluoroacetyl Chloride", "title": "Fluoroacetyl Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fluorouracil\n\n**CAS No.:** 51-21-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 51-21-8 | Fluorouracil | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "51-21-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "fluorouracil.md", "generated": true, "harvested": "2026-08-05", "id": "fluorouracil", "source_quote": "51-21-8 | Fluorouracil | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fluorouracil", "title": "Fluorouracil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fonofos\n\n**CAS No.:** 944-22-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 944-22-9 | Fonofos | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "944-22-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "fonofos.md", "generated": true, "harvested": "2026-08-05", "id": "fonofos", "source_quote": "944-22-9 | Fonofos | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fonofos", "title": "Fonofos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formaldehyde\n\n**CAS No.:** 50-00-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 50-00-0 | Formaldehyde | f | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "50-00-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "formaldehyde-2.md", "generated": true, "harvested": "2026-08-05", "id": "formaldehyde-2", "source_quote": "500 | 50-00-0 | Formaldehyde | f | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Formaldehyde", "title": "Formaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formaldehyde Cyanohydrin\n\n**CAS No.:** 107-16-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 107-16-4 | Formaldehyde Cyanohydrin | d | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-16-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "formaldehyde-cyanohydrin.md", "generated": true, "harvested": "2026-08-05", "id": "formaldehyde-cyanohydrin", "source_quote": "107-16-4 | Formaldehyde Cyanohydrin | d | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Formaldehyde Cyanohydrin", "title": "Formaldehyde Cyanohydrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formaldehyde\n\n**CAS No.:** 50-00-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U122\n\n**Regulatory categories:** 1,3,4\n\n> Formaldehyde | 50-00-0 | 1,3,4 | U122 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-00-0", "cercla_rq_lbs": "100", "file": "formaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "formaldehyde", "rcra_waste_number": "U122", "regulatory_categories": "1,3,4", "source_quote": "Formaldehyde | 50-00-0 | 1,3,4 | U122 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Formaldehyde", "title": "Formaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formetanate Hydrochloride\n\n**CAS No.:** 23422-53-9\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 23422-53-9 | Formetanate Hydrochloride | d | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "23422-53-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "formetanate-hydrochloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "formetanate-hydrochloride-2", "source_quote": "23422-53-9 | Formetanate Hydrochloride | d | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Formetanate Hydrochloride", "title": "Formetanate Hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formetanate hydrochloride\n\n**CAS No.:** 23422-53-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P198\n\n**Regulatory categories:** 4\n\n> Formetanate hydrochloride | 23422-53-9 | 4 | P198 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23422-53-9", "cercla_rq_lbs": "100", "file": "formetanate-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "formetanate-hydrochloride", "rcra_waste_number": "P198", "regulatory_categories": "4", "source_quote": "Formetanate hydrochloride | 23422-53-9 | 4 | P198 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Formetanate hydrochloride", "title": "Formetanate hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formic acid\n\n**CAS No.:** 64-18-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U123\n\n**Regulatory categories:** 1,4\n\n> Formic acid | 64-18-6 | 1,4 | U123 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-18-6", "cercla_rq_lbs": "5000", "file": "formic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "formic-acid", "rcra_waste_number": "U123", "regulatory_categories": "1,4", "source_quote": "Formic acid | 64-18-6 | 1,4 | U123 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Formic acid", "title": "Formic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formothion\n\n**CAS No.:** 2540-82-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 2540-82-1 | Formothion | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2540-82-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "formothion.md", "generated": true, "harvested": "2026-08-05", "id": "formothion", "source_quote": "2540-82-1 | Formothion | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Formothion", "title": "Formothion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formparanate\n\n**CAS No.:** 17702-57-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 17702-57-7 | Formparanate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "17702-57-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "formparanate-2.md", "generated": true, "harvested": "2026-08-05", "id": "formparanate-2", "source_quote": "17702-57-7 | Formparanate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Formparanate", "title": "Formparanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Formparanate\n\n**CAS No.:** 17702-57-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P197\n\n**Regulatory categories:** 4\n\n> Formparanate | 17702-57-7 | 4 | P197 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "17702-57-7", "cercla_rq_lbs": "100", "file": "formparanate.md", "generated": true, "harvested": "2026-08-05", "id": "formparanate", "rcra_waste_number": "P197", "regulatory_categories": "4", "source_quote": "Formparanate | 17702-57-7 | 4 | P197 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Formparanate", "title": "Formparanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fosthietan\n\n**CAS No.:** 21548-32-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 21548-32-3 | Fosthietan | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "21548-32-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "fosthietan.md", "generated": true, "harvested": "2026-08-05", "id": "fosthietan", "source_quote": "21548-32-3 | Fosthietan | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fosthietan", "title": "Fosthietan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fuberidazole\n\n**CAS No.:** 3878-19-1\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 3878-19-1 | Fuberidazole | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3878-19-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "fuberidazole.md", "generated": true, "harvested": "2026-08-05", "id": "fuberidazole", "source_quote": "3878-19-1 | Fuberidazole | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Fuberidazole", "title": "Fuberidazole \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fulminic acid, mercury(2 +)salt\n\n**CAS No.:** 628-86-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P065\n\n**Regulatory categories:** 4\n\n> Fulminic acid, mercury(2 +)salt | 628-86-4 | 4 | P065 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "628-86-4", "cercla_rq_lbs": "10", "file": "fulminic-acid-mercury-2-salt.md", "generated": true, "harvested": "2026-08-05", "id": "fulminic-acid-mercury-2-salt", "rcra_waste_number": "P065", "regulatory_categories": "4", "source_quote": "Fulminic acid, mercury(2 +)salt | 628-86-4 | 4 | P065 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fulminic acid, mercury(2 +)salt", "title": "Fulminic acid, mercury(2 +)salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Fumaric acid\n\n**CAS No.:** 110-17-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Fumaric acid | 110-17-8 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-17-8", "cercla_rq_lbs": "5000", "file": "fumaric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "fumaric-acid", "regulatory_categories": "1", "source_quote": "Fumaric acid | 110-17-8 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Fumaric acid", "title": "Fumaric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Furan\n\n**CAS No.:** 110-00-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 110-00-9 | Furan | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "110-00-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "furan-2.md", "generated": true, "harvested": "2026-08-05", "id": "furan-2", "source_quote": "110-00-9 | Furan | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Furan", "title": "Furan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Furan, tetrahydro-\n\n**CAS No.:** 109-99-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U213\n\n**Regulatory categories:** 4\n\n> Furan, tetrahydro- | 109-99-9 | 4 | U213 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-99-9", "cercla_rq_lbs": "1000", "file": "furan-tetrahydro.md", "generated": true, "harvested": "2026-08-05", "id": "furan-tetrahydro", "rcra_waste_number": "U213", "regulatory_categories": "4", "source_quote": "Furan, tetrahydro- | 109-99-9 | 4 | U213 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Furan, tetrahydro-", "title": "Furan, tetrahydro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Furan\n\n**CAS No.:** 110-00-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U124\n\n**Regulatory categories:** 4\n\n> Furan | 110-00-9 | 4 | U124 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-00-9", "cercla_rq_lbs": "100", "file": "furan.md", "generated": true, "harvested": "2026-08-05", "id": "furan", "rcra_waste_number": "U124", "regulatory_categories": "4", "source_quote": "Furan | 110-00-9 | 4 | U124 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Furan", "title": "Furan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Furfural\n\n**CAS No.:** 98-01-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U125\n\n**Regulatory categories:** 1,4\n\n> Furfural | 98-01-1 | 1,4 | U125 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-01-1", "cercla_rq_lbs": "5000", "file": "furfural.md", "generated": true, "harvested": "2026-08-05", "id": "furfural", "rcra_waste_number": "U125", "regulatory_categories": "1,4", "source_quote": "Furfural | 98-01-1 | 1,4 | U125 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Furfural", "title": "Furfural \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Furfuran\n\n**CAS No.:** 110-00-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U124\n\n**Regulatory categories:** 4\n\n> Furfuran | 110-00-9 | 4 | U124 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-00-9", "cercla_rq_lbs": "100", "file": "furfuran.md", "generated": true, "harvested": "2026-08-05", "id": "furfuran", "rcra_waste_number": "U124", "regulatory_categories": "4", "source_quote": "Furfuran | 110-00-9 | 4 | U124 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Furfuran", "title": "Furfuran \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (g) o-Dichlorobenzene\n\n**CAS No.:** 95-50-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U070\n\n**Regulatory categories:** 1,2,4\n\n> (g) o-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-50-1", "cercla_rq_lbs": "100", "file": "g-o-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "g-o-dichlorobenzene", "rcra_waste_number": "U070", "regulatory_categories": "1,2,4", "source_quote": "(g) o-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(g) o-Dichlorobenzene", "title": "(g) o-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Gallium Trichloride\n\n**CAS No.:** 13450-90-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 13450-90-3 | Gallium Trichloride | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13450-90-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "gallium-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "gallium-trichloride", "source_quote": "500 | 13450-90-3 | Gallium Trichloride | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Gallium Trichloride", "title": "Gallium Trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** gamma-BHC\n\n**CAS No.:** 58-89-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U129\n\n**Regulatory categories:** 1,2,3,4\n\n> gamma-BHC | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-89-9", "cercla_rq_lbs": "1", "file": "gamma-bhc.md", "generated": true, "harvested": "2026-08-05", "id": "gamma-bhc", "rcra_waste_number": "U129", "regulatory_categories": "1,2,3,4", "source_quote": "gamma-BHC | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "gamma-BHC", "title": "gamma-BHC \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D-\n\n**CAS No.:** 18883-66-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U206\n\n**Regulatory categories:** 4\n\n> Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D- | 18883-66-4 | 4 | U206 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "18883-66-4", "cercla_rq_lbs": "1", "file": "glucopyranose-2-deoxy-2-3-methyl-3-nitrosoureido-d.md", "generated": true, "harvested": "2026-08-05", "id": "glucopyranose-2-deoxy-2-3-methyl-3-nitrosoureido-d", "rcra_waste_number": "U206", "regulatory_categories": "4", "source_quote": "Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D- | 18883-66-4 | 4 | U206 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D-", "title": "Glucopyranose, 2-deoxy-2-(3-methyl-3-nitrosoureido)-,D- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Glycidylaldehyde\n\n**CAS No.:** 765-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U126\n\n**Regulatory categories:** 4\n\n> Glycidylaldehyde | 765-34-4 | 4 | U126 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "765-34-4", "cercla_rq_lbs": "10", "file": "glycidylaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "glycidylaldehyde", "rcra_waste_number": "U126", "regulatory_categories": "4", "source_quote": "Glycidylaldehyde | 765-34-4 | 4 | U126 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Glycidylaldehyde", "title": "Glycidylaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Guanidine, N-methyl-N\u2032-nitro-N-nitroso-\n\n**CAS No.:** 70-25-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U163\n\n**Regulatory categories:** 4\n\n> Guanidine, N-methyl-N\u2032-nitro-N-nitroso- | 70-25-7 | 4 | U163 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "70-25-7", "cercla_rq_lbs": "10", "file": "guanidine-n-methyl-n-nitro-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "guanidine-n-methyl-n-nitro-n-nitroso", "rcra_waste_number": "U163", "regulatory_categories": "4", "source_quote": "Guanidine, N-methyl-N\u2032-nitro-N-nitroso- | 70-25-7 | 4 | U163 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Guanidine, N-methyl-N\u2032-nitro-N-nitroso-", "title": "Guanidine, N-methyl-N\u2032-nitro-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Guthion\n\n**CAS No.:** 86-50-0\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Guthion | 86-50-0 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "86-50-0", "cercla_rq_lbs": "1", "file": "guthion.md", "generated": true, "harvested": "2026-08-05", "id": "guthion", "regulatory_categories": "1", "source_quote": "Guthion | 86-50-0 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Guthion", "title": "Guthion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (h) Trichlorofluoromethane\n\n**CAS No.:** 75-69-4\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U121\n\n**Regulatory categories:** 4\n\n> (h) Trichlorofluoromethane | 75-69-4 | 4 | U121 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-69-4", "cercla_rq_lbs": "5000", "file": "h-trichlorofluoromethane.md", "generated": true, "harvested": "2026-08-05", "id": "h-trichlorofluoromethane", "rcra_waste_number": "U121", "regulatory_categories": "4", "source_quote": "(h) Trichlorofluoromethane | 75-69-4 | 4 | U121 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(h) Trichlorofluoromethane", "title": "(h) Trichlorofluoromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Heptachlor epoxide\n\n**CAS No.:** 1024-57-3\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2\n\n> Heptachlor epoxide | 1024-57-3 | 2 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1024-57-3", "cercla_rq_lbs": "1", "file": "heptachlor-epoxide.md", "generated": true, "harvested": "2026-08-05", "id": "heptachlor-epoxide", "regulatory_categories": "2", "source_quote": "Heptachlor epoxide | 1024-57-3 | 2 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Heptachlor epoxide", "title": "Heptachlor epoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Heptachlor\n\n**CAS No.:** 76-44-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P059\n\n**Regulatory categories:** 1,2,3,4\n\n> Heptachlor | 76-44-8 | 1,2,3,4 | P059 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "76-44-8", "cercla_rq_lbs": "1", "file": "heptachlor.md", "generated": true, "harvested": "2026-08-05", "id": "heptachlor", "rcra_waste_number": "P059", "regulatory_categories": "1,2,3,4", "source_quote": "Heptachlor | 76-44-8 | 1,2,3,4 | P059 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Heptachlor", "title": "Heptachlor \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachlorobenzene\n\n**CAS No.:** 118-74-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U127\n\n**Regulatory categories:** 2,3,4\n\n> Hexachlorobenzene | 118-74-1 | 2,3,4 | U127 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "118-74-1", "cercla_rq_lbs": "10", "file": "hexachlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "hexachlorobenzene", "rcra_waste_number": "U127", "regulatory_categories": "2,3,4", "source_quote": "Hexachlorobenzene | 118-74-1 | 2,3,4 | U127 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachlorobenzene", "title": "Hexachlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachlorobutadiene\n\n**CAS No.:** 87-68-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U128\n\n**Regulatory categories:** 2,3,4\n\n> Hexachlorobutadiene | 87-68-3 | 2,3,4 | U128 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-68-3", "cercla_rq_lbs": "1", "file": "hexachlorobutadiene.md", "generated": true, "harvested": "2026-08-05", "id": "hexachlorobutadiene", "rcra_waste_number": "U128", "regulatory_categories": "2,3,4", "source_quote": "Hexachlorobutadiene | 87-68-3 | 2,3,4 | U128 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachlorobutadiene", "title": "Hexachlorobutadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachlorocyclopentadiene\n\n**CAS No.:** 77-47-4\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 77-47-4 | Hexachlorocyclopentadiene | d | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "77-47-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "hexachlorocyclopentadiene-2.md", "generated": true, "harvested": "2026-08-05", "id": "hexachlorocyclopentadiene-2", "source_quote": "500/10,000 | 77-47-4 | Hexachlorocyclopentadiene | d | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hexachlorocyclopentadiene", "title": "Hexachlorocyclopentadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachlorocyclopentadiene\n\n**CAS No.:** 77-47-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U130\n\n**Regulatory categories:** 1,2,3,4\n\n> Hexachlorocyclopentadiene | 77-47-4 | 1,2,3,4 | U130 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "77-47-4", "cercla_rq_lbs": "10", "file": "hexachlorocyclopentadiene.md", "generated": true, "harvested": "2026-08-05", "id": "hexachlorocyclopentadiene", "rcra_waste_number": "U130", "regulatory_categories": "1,2,3,4", "source_quote": "Hexachlorocyclopentadiene | 77-47-4 | 1,2,3,4 | U130 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachlorocyclopentadiene", "title": "Hexachlorocyclopentadiene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachloroethane\n\n**CAS No.:** 67-72-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U131\n\n**Regulatory categories:** 2,3,4\n\n> Hexachloroethane | 67-72-1 | 2,3,4 | U131 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-72-1", "cercla_rq_lbs": "100", "file": "hexachloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "hexachloroethane", "rcra_waste_number": "U131", "regulatory_categories": "2,3,4", "source_quote": "Hexachloroethane | 67-72-1 | 2,3,4 | U131 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachloroethane", "title": "Hexachloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachlorophene\n\n**CAS No.:** 70-30-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U132\n\n**Regulatory categories:** 4\n\n> Hexachlorophene | 70-30-4 | 4 | U132 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "70-30-4", "cercla_rq_lbs": "100", "file": "hexachlorophene.md", "generated": true, "harvested": "2026-08-05", "id": "hexachlorophene", "rcra_waste_number": "U132", "regulatory_categories": "4", "source_quote": "Hexachlorophene | 70-30-4 | 4 | U132 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachlorophene", "title": "Hexachlorophene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexachloropropene\n\n**CAS No.:** 1888-71-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U243\n\n**Regulatory categories:** 4\n\n> Hexachloropropene | 1888-71-7 | 4 | U243 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1888-71-7", "cercla_rq_lbs": "1000", "file": "hexachloropropene.md", "generated": true, "harvested": "2026-08-05", "id": "hexachloropropene", "rcra_waste_number": "U243", "regulatory_categories": "4", "source_quote": "Hexachloropropene | 1888-71-7 | 4 | U243 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexachloropropene", "title": "Hexachloropropene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexaethyl tetraphosphate\n\n**CAS No.:** 757-58-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P062\n\n**Regulatory categories:** 4\n\n> Hexaethyl tetraphosphate | 757-58-4 | 4 | P062 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "757-58-4", "cercla_rq_lbs": "100", "file": "hexaethyl-tetraphosphate.md", "generated": true, "harvested": "2026-08-05", "id": "hexaethyl-tetraphosphate", "rcra_waste_number": "P062", "regulatory_categories": "4", "source_quote": "Hexaethyl tetraphosphate | 757-58-4 | 4 | P062 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexaethyl tetraphosphate", "title": "Hexaethyl tetraphosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexamethylene-1,6-diisocyanate\n\n**CAS No.:** 822-06-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Hexamethylene-1,6-diisocyanate | 822-06-0 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "822-06-0", "cercla_rq_lbs": "100", "file": "hexamethylene-1-6-diisocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "hexamethylene-1-6-diisocyanate", "regulatory_categories": "3", "source_quote": "Hexamethylene-1,6-diisocyanate | 822-06-0 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexamethylene-1,6-diisocyanate", "title": "Hexamethylene-1,6-diisocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexamethylenediamine, N,N\u2032-Dibutyl-\n\n**CAS No.:** 4835-11-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 4835-11-4 | Hexamethylenediamine, N,N\u2032-Dibutyl- | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4835-11-4", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "hexamethylenediamine-n-n-dibutyl.md", "generated": true, "harvested": "2026-08-05", "id": "hexamethylenediamine-n-n-dibutyl", "source_quote": "4835-11-4 | Hexamethylenediamine, N,N\u2032-Dibutyl- | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hexamethylenediamine, N,N\u2032-Dibutyl-", "title": "Hexamethylenediamine, N,N\u2032-Dibutyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexamethylphosphoramide\n\n**CAS No.:** 680-31-9\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 3\n\n> Hexamethylphosphoramide | 680-31-9 | 3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "680-31-9", "cercla_rq_lbs": "1", "file": "hexamethylphosphoramide.md", "generated": true, "harvested": "2026-08-05", "id": "hexamethylphosphoramide", "regulatory_categories": "3", "source_quote": "Hexamethylphosphoramide | 680-31-9 | 3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexamethylphosphoramide", "title": "Hexamethylphosphoramide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexane\n\n**CAS No.:** 110-54-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 3\n\n> Hexane | 110-54-3 | 3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-54-3", "cercla_rq_lbs": "5000", "file": "hexane.md", "generated": true, "harvested": "2026-08-05", "id": "hexane", "regulatory_categories": "3", "source_quote": "Hexane | 110-54-3 | 3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexane", "title": "Hexane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hexone\n\n**CAS No.:** 108-10-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U161\n\n**Regulatory categories:** 3,4\n\n> Hexone | 108-10-1 | 3,4 | U161 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-10-1", "cercla_rq_lbs": "5000", "file": "hexone.md", "generated": true, "harvested": "2026-08-05", "id": "hexone", "rcra_waste_number": "U161", "regulatory_categories": "3,4", "source_quote": "Hexone | 108-10-1 | 3,4 | U161 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hexone", "title": "Hexone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine, 1,1-dimethyl-\n\n**CAS No.:** 57-14-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U098\n\n**Regulatory categories:** 3,4\n\n> Hydrazine, 1,1-dimethyl- | 57-14-7 | 3,4 | U098 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-14-7", "cercla_rq_lbs": "10", "file": "hydrazine-1-1-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-1-1-dimethyl", "rcra_waste_number": "U098", "regulatory_categories": "3,4", "source_quote": "Hydrazine, 1,1-dimethyl- | 57-14-7 | 3,4 | U098 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine, 1,1-dimethyl-", "title": "Hydrazine, 1,1-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine, 1,2-diethyl-\n\n**CAS No.:** 1615-80-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U086\n\n**Regulatory categories:** 4\n\n> Hydrazine, 1,2-diethyl- | 1615-80-1 | 4 | U086 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1615-80-1", "cercla_rq_lbs": "10", "file": "hydrazine-1-2-diethyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-1-2-diethyl", "rcra_waste_number": "U086", "regulatory_categories": "4", "source_quote": "Hydrazine, 1,2-diethyl- | 1615-80-1 | 4 | U086 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine, 1,2-diethyl-", "title": "Hydrazine, 1,2-diethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine, 1,2-dimethyl-\n\n**CAS No.:** 540-73-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U099\n\n**Regulatory categories:** 4\n\n> Hydrazine, 1,2-dimethyl- | 540-73-8 | 4 | U099 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "540-73-8", "cercla_rq_lbs": "1", "file": "hydrazine-1-2-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-1-2-dimethyl", "rcra_waste_number": "U099", "regulatory_categories": "4", "source_quote": "Hydrazine, 1,2-dimethyl- | 540-73-8 | 4 | U099 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine, 1,2-dimethyl-", "title": "Hydrazine, 1,2-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine, 1,2-diphenyl-\n\n**CAS No.:** 122-66-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U109\n\n**Regulatory categories:** 2,3,4\n\n> Hydrazine, 1,2-diphenyl- | 122-66-7 | 2,3,4 | U109 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-66-7", "cercla_rq_lbs": "10", "file": "hydrazine-1-2-diphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-1-2-diphenyl", "rcra_waste_number": "U109", "regulatory_categories": "2,3,4", "source_quote": "Hydrazine, 1,2-diphenyl- | 122-66-7 | 2,3,4 | U109 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine, 1,2-diphenyl-", "title": "Hydrazine, 1,2-diphenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine\n\n**CAS No.:** 302-01-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1\n\n> 302-01-2 | Hydrazine | | 1 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "302-01-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1,000", "file": "hydrazine-2.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-2", "source_quote": "302-01-2 | Hydrazine | | 1 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrazine", "title": "Hydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine, methyl-\n\n**CAS No.:** 60-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P068\n\n**Regulatory categories:** 3,4\n\n> Hydrazine, methyl- | 60-34-4 | 3,4 | P068 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-34-4", "cercla_rq_lbs": "10", "file": "hydrazine-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine-methyl", "rcra_waste_number": "P068", "regulatory_categories": "3,4", "source_quote": "Hydrazine, methyl- | 60-34-4 | 3,4 | P068 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine, methyl-", "title": "Hydrazine, methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazine\n\n**CAS No.:** 302-01-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U133\n\n**Regulatory categories:** 3,4\n\n> Hydrazine | 302-01-2 | 3,4 | U133 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "302-01-2", "cercla_rq_lbs": "1", "file": "hydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazine", "rcra_waste_number": "U133", "regulatory_categories": "3,4", "source_quote": "Hydrazine | 302-01-2 | 3,4 | U133 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazine", "title": "Hydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrazinecarbothioamide\n\n**CAS No.:** 79-19-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P116\n\n**Regulatory categories:** 4\n\n> Hydrazinecarbothioamide | 79-19-6 | 4 | P116 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-19-6", "cercla_rq_lbs": "100", "file": "hydrazinecarbothioamide.md", "generated": true, "harvested": "2026-08-05", "id": "hydrazinecarbothioamide", "rcra_waste_number": "P116", "regulatory_categories": "4", "source_quote": "Hydrazinecarbothioamide | 79-19-6 | 4 | P116 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrazinecarbothioamide", "title": "Hydrazinecarbothioamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrochloric acid\n\n**CAS No.:** 7647-01-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1,3\n\n> Hydrochloric acid | 7647-01-0 | 1,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7647-01-0", "cercla_rq_lbs": "5000", "file": "hydrochloric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "hydrochloric-acid", "regulatory_categories": "1,3", "source_quote": "Hydrochloric acid | 7647-01-0 | 1,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrochloric acid", "title": "Hydrochloric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrocyanic Acid\n\n**CAS No.:** 74-90-8\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 74-90-8 | Hydrocyanic Acid | | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "74-90-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "hydrocyanic-acid-2.md", "generated": true, "harvested": "2026-08-05", "id": "hydrocyanic-acid-2", "source_quote": "74-90-8 | Hydrocyanic Acid | | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrocyanic Acid", "title": "Hydrocyanic Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrocyanic acid\n\n**CAS No.:** 74-90-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P063\n\n**Regulatory categories:** 1,4\n\n> Hydrocyanic acid | 74-90-8 | 1,4 | P063 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-90-8", "cercla_rq_lbs": "10", "file": "hydrocyanic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "hydrocyanic-acid", "rcra_waste_number": "P063", "regulatory_categories": "1,4", "source_quote": "Hydrocyanic acid | 74-90-8 | 1,4 | P063 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrocyanic acid", "title": "Hydrocyanic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrofluoric acid\n\n**CAS No.:** 7664-39-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U134\n\n**Regulatory categories:** 1,3,4\n\n> Hydrofluoric acid | 7664-39-3 | 1,3,4 | U134 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7664-39-3", "cercla_rq_lbs": "100", "file": "hydrofluoric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "hydrofluoric-acid", "rcra_waste_number": "U134", "regulatory_categories": "1,3,4", "source_quote": "Hydrofluoric acid | 7664-39-3 | 1,3,4 | U134 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrofluoric acid", "title": "Hydrofluoric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen Chloride (gas only)\n\n**CAS No.:** 7647-01-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 5,000\n\n> 7647-01-0 | Hydrogen Chloride (gas only) | f | 5,000 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7647-01-0", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "500", "file": "hydrogen-chloride-gas-only.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-chloride-gas-only", "source_quote": "7647-01-0 | Hydrogen Chloride (gas only) | f | 5,000 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrogen Chloride (gas only)", "title": "Hydrogen Chloride (gas only) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen chloride\n\n**CAS No.:** 7647-01-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1,3\n\n> Hydrogen chloride | 7647-01-0 | 1,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7647-01-0", "cercla_rq_lbs": "5000", "file": "hydrogen-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-chloride", "regulatory_categories": "1,3", "source_quote": "Hydrogen chloride | 7647-01-0 | 1,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrogen chloride", "title": "Hydrogen chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen cyanide\n\n**CAS No.:** 74-90-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P063\n\n**Regulatory categories:** 1,4\n\n> Hydrogen cyanide | 74-90-8 | 1,4 | P063 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-90-8", "cercla_rq_lbs": "10", "file": "hydrogen-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-cyanide", "rcra_waste_number": "P063", "regulatory_categories": "1,4", "source_quote": "Hydrogen cyanide | 74-90-8 | 1,4 | P063 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrogen cyanide", "title": "Hydrogen cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen Fluoride\n\n**CAS No.:** 7664-39-3\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 7664-39-3 | Hydrogen Fluoride | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7664-39-3", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "hydrogen-fluoride-2.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-fluoride-2", "source_quote": "7664-39-3 | Hydrogen Fluoride | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrogen Fluoride", "title": "Hydrogen Fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen fluoride\n\n**CAS No.:** 7664-39-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U134\n\n**Regulatory categories:** 1,3,4\n\n> Hydrogen fluoride | 7664-39-3 | 1,3,4 | U134 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7664-39-3", "cercla_rq_lbs": "100", "file": "hydrogen-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-fluoride", "rcra_waste_number": "U134", "regulatory_categories": "1,3,4", "source_quote": "Hydrogen fluoride | 7664-39-3 | 1,3,4 | U134 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrogen fluoride", "title": "Hydrogen fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen Peroxide (Conc >52%)\n\n**CAS No.:** 7722-84-1\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 7722-84-1 | Hydrogen Peroxide (Conc >52%) | f | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7722-84-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "hydrogen-peroxide-conc-52.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-peroxide-conc-52", "source_quote": "7722-84-1 | Hydrogen Peroxide (Conc >52%) | f | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrogen Peroxide (Conc >52%)", "title": "Hydrogen Peroxide (Conc >52%) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen phosphide\n\n**CAS No.:** 7803-51-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P096\n\n**Regulatory categories:** 3,4\n\n> Hydrogen phosphide | 7803-51-2 | 3,4 | P096 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7803-51-2", "cercla_rq_lbs": "100", "file": "hydrogen-phosphide.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-phosphide", "rcra_waste_number": "P096", "regulatory_categories": "3,4", "source_quote": "Hydrogen phosphide | 7803-51-2 | 3,4 | P096 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrogen phosphide", "title": "Hydrogen phosphide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen Selenide\n\n**CAS No.:** 7783-07-5\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 7783-07-5 | Hydrogen Selenide | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-07-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "hydrogen-selenide.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-selenide", "source_quote": "7783-07-5 | Hydrogen Selenide | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrogen Selenide", "title": "Hydrogen Selenide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen sulfide H2S\n\n**CAS No.:** 7783-06-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U135\n\n**Regulatory categories:** 1,4\n\n> Hydrogen sulfide H2S | 7783-06-4 | 1,4 | U135 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-06-4", "cercla_rq_lbs": "100", "file": "hydrogen-sulfide-h2s.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-sulfide-h2s", "rcra_waste_number": "U135", "regulatory_categories": "1,4", "source_quote": "Hydrogen sulfide H2S | 7783-06-4 | 1,4 | U135 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydrogen sulfide H2S", "title": "Hydrogen sulfide H2S \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydrogen Sulfide\n\n**CAS No.:** 7783-06-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 7783-06-4 | Hydrogen Sulfide | f | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-06-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "hydrogen-sulfide.md", "generated": true, "harvested": "2026-08-05", "id": "hydrogen-sulfide", "source_quote": "7783-06-4 | Hydrogen Sulfide | f | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydrogen Sulfide", "title": "Hydrogen Sulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydroperoxide, 1-methyl-1-phenylethyl-\n\n**CAS No.:** 80-15-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U096\n\n**Regulatory categories:** 4\n\n> Hydroperoxide, 1-methyl-1-phenylethyl- | 80-15-9 | 4 | U096 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "80-15-9", "cercla_rq_lbs": "10", "file": "hydroperoxide-1-methyl-1-phenylethyl.md", "generated": true, "harvested": "2026-08-05", "id": "hydroperoxide-1-methyl-1-phenylethyl", "rcra_waste_number": "U096", "regulatory_categories": "4", "source_quote": "Hydroperoxide, 1-methyl-1-phenylethyl- | 80-15-9 | 4 | U096 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydroperoxide, 1-methyl-1-phenylethyl-", "title": "Hydroperoxide, 1-methyl-1-phenylethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydroquinone\n\n**CAS No.:** 123-31-9\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 123-31-9 | Hydroquinone | f | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "123-31-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "hydroquinone-2.md", "generated": true, "harvested": "2026-08-05", "id": "hydroquinone-2", "source_quote": "123-31-9 | Hydroquinone | f | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Hydroquinone", "title": "Hydroquinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Hydroquinone\n\n**CAS No.:** 123-31-9\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Hydroquinone | 123-31-9 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-31-9", "cercla_rq_lbs": "100", "file": "hydroquinone.md", "generated": true, "harvested": "2026-08-05", "id": "hydroquinone", "regulatory_categories": "3", "source_quote": "Hydroquinone | 123-31-9 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Hydroquinone", "title": "Hydroquinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** (i) 1,1,2-Trichloroethane\n\n**CAS No.:** 79-00-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U227\n\n**Regulatory categories:** 2,3,4\n\n> (i) 1,1,2-Trichloroethane | 79-00-5 | 2,3,4 | U227 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-00-5", "cercla_rq_lbs": "100", "file": "i-1-1-2-trichloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "i-1-1-2-trichloroethane", "rcra_waste_number": "U227", "regulatory_categories": "2,3,4", "source_quote": "(i) 1,1,2-Trichloroethane | 79-00-5 | 2,3,4 | U227 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "(i) 1,1,2-Trichloroethane", "title": "(i) 1,1,2-Trichloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Indeno(1,2,3-cd)pyrene\n\n**CAS No.:** 193-39-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U137\n\n**Regulatory categories:** 2,4\n\n> Indeno(1,2,3-cd)pyrene | 193-39-5 | 2,4 | U137 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "193-39-5", "cercla_rq_lbs": "100", "file": "indeno-1-2-3-cd-pyrene.md", "generated": true, "harvested": "2026-08-05", "id": "indeno-1-2-3-cd-pyrene", "rcra_waste_number": "U137", "regulatory_categories": "2,4", "source_quote": "Indeno(1,2,3-cd)pyrene | 193-39-5 | 2,4 | U137 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Indeno(1,2,3-cd)pyrene", "title": "Indeno(1,2,3-cd)pyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Iodomethane\n\n**CAS No.:** 74-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U138\n\n**Regulatory categories:** 3,4\n\n> Iodomethane | 74-88-4 | 3,4 | U138 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-88-4", "cercla_rq_lbs": "100", "file": "iodomethane.md", "generated": true, "harvested": "2026-08-05", "id": "iodomethane", "rcra_waste_number": "U138", "regulatory_categories": "3,4", "source_quote": "Iodomethane | 74-88-4 | 3,4 | U138 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Iodomethane", "title": "Iodomethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Iron, Pentacarbonyl-\n\n**CAS No.:** 13463-40-6\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 13463-40-6 | Iron, Pentacarbonyl- | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13463-40-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "iron-pentacarbonyl.md", "generated": true, "harvested": "2026-08-05", "id": "iron-pentacarbonyl", "source_quote": "13463-40-6 | Iron, Pentacarbonyl- | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Iron, Pentacarbonyl-", "title": "Iron, Pentacarbonyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** iso-Amyl acetate\n\n**CAS No.:** 123-92-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> iso-Amyl acetate | 123-92-2 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-92-2", "cercla_rq_lbs": "5000", "file": "iso-amyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "iso-amyl-acetate", "regulatory_categories": "1", "source_quote": "iso-Amyl acetate | 123-92-2 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "iso-Amyl acetate", "title": "iso-Amyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** iso-Butyl acetate\n\n**CAS No.:** 110-19-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> iso-Butyl acetate | 110-19-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-19-0", "cercla_rq_lbs": "5000", "file": "iso-butyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "iso-butyl-acetate", "regulatory_categories": "1", "source_quote": "iso-Butyl acetate | 110-19-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "iso-Butyl acetate", "title": "iso-Butyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** iso-Butylamine\n\n**CAS No.:** 78-81-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> iso-Butylamine | 78-81-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-81-9", "cercla_rq_lbs": "1000", "file": "iso-butylamine.md", "generated": true, "harvested": "2026-08-05", "id": "iso-butylamine", "regulatory_categories": "1", "source_quote": "iso-Butylamine | 78-81-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "iso-Butylamine", "title": "iso-Butylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** iso-Butyric acid\n\n**CAS No.:** 79-31-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> iso-Butyric acid | 79-31-2 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-31-2", "cercla_rq_lbs": "5000", "file": "iso-butyric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "iso-butyric-acid", "regulatory_categories": "1", "source_quote": "iso-Butyric acid | 79-31-2 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "iso-Butyric acid", "title": "iso-Butyric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isobenzan\n\n**CAS No.:** 297-78-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 297-78-9 | Isobenzan | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "297-78-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "isobenzan.md", "generated": true, "harvested": "2026-08-05", "id": "isobenzan", "source_quote": "297-78-9 | Isobenzan | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isobenzan", "title": "Isobenzan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isobutyl alcohol\n\n**CAS No.:** 78-83-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U140\n\n**Regulatory categories:** 4\n\n> Isobutyl alcohol | 78-83-1 | 4 | U140 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-83-1", "cercla_rq_lbs": "5000", "file": "isobutyl-alcohol.md", "generated": true, "harvested": "2026-08-05", "id": "isobutyl-alcohol", "rcra_waste_number": "U140", "regulatory_categories": "4", "source_quote": "Isobutyl alcohol | 78-83-1 | 4 | U140 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isobutyl alcohol", "title": "Isobutyl alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isobutyronitrile\n\n**CAS No.:** 78-82-0\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 78-82-0 | Isobutyronitrile | d | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-82-0", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "isobutyronitrile.md", "generated": true, "harvested": "2026-08-05", "id": "isobutyronitrile", "source_quote": "78-82-0 | Isobutyronitrile | d | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isobutyronitrile", "title": "Isobutyronitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isocyanic Acid, 3,4-Dichlorophenyl Ester\n\n**CAS No.:** 102-36-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 102-36-3 | Isocyanic Acid, 3,4-Dichlorophenyl Ester | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "102-36-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "isocyanic-acid-3-4-dichlorophenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "isocyanic-acid-3-4-dichlorophenyl-ester", "source_quote": "102-36-3 | Isocyanic Acid, 3,4-Dichlorophenyl Ester | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isocyanic Acid, 3,4-Dichlorophenyl Ester", "title": "Isocyanic Acid, 3,4-Dichlorophenyl Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isodrin\n\n**CAS No.:** 465-73-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 465-73-6 | Isodrin | | 1 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "465-73-6", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "100/10,000", "file": "isodrin-2.md", "generated": true, "harvested": "2026-08-05", "id": "isodrin-2", "source_quote": "465-73-6 | Isodrin | | 1 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isodrin", "title": "Isodrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isodrin\n\n**CAS No.:** 465-73-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P060\n\n**Regulatory categories:** 4\n\n> Isodrin | 465-73-6 | 4 | P060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "465-73-6", "cercla_rq_lbs": "1", "file": "isodrin.md", "generated": true, "harvested": "2026-08-05", "id": "isodrin", "rcra_waste_number": "P060", "regulatory_categories": "4", "source_quote": "Isodrin | 465-73-6 | 4 | P060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isodrin", "title": "Isodrin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isofluorphate\n\n**CAS No.:** 55-91-4\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 55-91-4 | Isofluorphate | b | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "55-91-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "isofluorphate.md", "generated": true, "harvested": "2026-08-05", "id": "isofluorphate", "source_quote": "55-91-4 | Isofluorphate | b | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isofluorphate", "title": "Isofluorphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isolan\n\n**CAS No.:** 119-38-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P192\n\n**Regulatory categories:** 4\n\n> Isolan | 119-38-0 | 4 | P192 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "119-38-0", "cercla_rq_lbs": "100", "file": "isolan.md", "generated": true, "harvested": "2026-08-05", "id": "isolan", "rcra_waste_number": "P192", "regulatory_categories": "4", "source_quote": "Isolan | 119-38-0 | 4 | P192 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isolan", "title": "Isolan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isophorone Diisocyanate\n\n**CAS No.:** 4098-71-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 4098-71-9 | Isophorone Diisocyanate | g | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4098-71-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "isophorone-diisocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "isophorone-diisocyanate", "source_quote": "4098-71-9 | Isophorone Diisocyanate | g | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isophorone Diisocyanate", "title": "Isophorone Diisocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isophorone\n\n**CAS No.:** 78-59-1\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2,3\n\n> Isophorone | 78-59-1 | 2,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-59-1", "cercla_rq_lbs": "5000", "file": "isophorone.md", "generated": true, "harvested": "2026-08-05", "id": "isophorone", "regulatory_categories": "2,3", "source_quote": "Isophorone | 78-59-1 | 2,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isophorone", "title": "Isophorone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isoprene\n\n**CAS No.:** 78-79-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Isoprene | 78-79-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-79-5", "cercla_rq_lbs": "100", "file": "isoprene.md", "generated": true, "harvested": "2026-08-05", "id": "isoprene", "regulatory_categories": "1", "source_quote": "Isoprene | 78-79-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isoprene", "title": "Isoprene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isopropanolamine dodecylbenzenesulfonate\n\n**CAS No.:** 42504-46-1\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Isopropanolamine dodecylbenzenesulfonate | 42504-46-1 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "42504-46-1", "cercla_rq_lbs": "1000", "file": "isopropanolamine-dodecylbenzenesulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "isopropanolamine-dodecylbenzenesulfonate", "regulatory_categories": "1", "source_quote": "Isopropanolamine dodecylbenzenesulfonate | 42504-46-1 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isopropanolamine dodecylbenzenesulfonate", "title": "Isopropanolamine dodecylbenzenesulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isopropyl Chloroformate\n\n**CAS No.:** 108-23-6\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 108-23-6 | Isopropyl Chloroformate | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "108-23-6", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "isopropyl-chloroformate.md", "generated": true, "harvested": "2026-08-05", "id": "isopropyl-chloroformate", "source_quote": "108-23-6 | Isopropyl Chloroformate | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isopropyl Chloroformate", "title": "Isopropyl Chloroformate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isopropylmethyl-pyrazolyl Dimethylcarbamate\n\n**CAS No.:** 119-38-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 119-38-0 | Isopropylmethyl-pyrazolyl Dimethylcarbamate | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "119-38-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "isopropylmethyl-pyrazolyl-dimethylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "isopropylmethyl-pyrazolyl-dimethylcarbamate", "source_quote": "119-38-0 | Isopropylmethyl-pyrazolyl Dimethylcarbamate | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Isopropylmethyl-pyrazolyl Dimethylcarbamate", "title": "Isopropylmethyl-pyrazolyl Dimethylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Isosafrole\n\n**CAS No.:** 120-58-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U141\n\n**Regulatory categories:** 4\n\n> Isosafrole | 120-58-1 | 4 | U141 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-58-1", "cercla_rq_lbs": "100", "file": "isosafrole.md", "generated": true, "harvested": "2026-08-05", "id": "isosafrole", "rcra_waste_number": "U141", "regulatory_categories": "4", "source_quote": "Isosafrole | 120-58-1 | 4 | U141 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Isosafrole", "title": "Isosafrole \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Kepone\n\n**CAS No.:** 143-50-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U142\n\n**Regulatory categories:** 1,4\n\n> Kepone | 143-50-0 | 1,4 | U142 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "143-50-0", "cercla_rq_lbs": "1", "file": "kepone.md", "generated": true, "harvested": "2026-08-05", "id": "kepone", "rcra_waste_number": "U142", "regulatory_categories": "1,4", "source_quote": "Kepone | 143-50-0 | 1,4 | U142 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Kepone", "title": "Kepone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** L-Phenylalanine, 4-[bis(2-chloroethyl)amino]-\n\n**CAS No.:** 148-82-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U150\n\n**Regulatory categories:** 4\n\n> L-Phenylalanine, 4-[bis(2-chloroethyl)amino]- | 148-82-3 | 4 | U150 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "148-82-3", "cercla_rq_lbs": "1", "file": "l-phenylalanine-4-bis-2-chloroethyl-amino.md", "generated": true, "harvested": "2026-08-05", "id": "l-phenylalanine-4-bis-2-chloroethyl-amino", "rcra_waste_number": "U150", "regulatory_categories": "4", "source_quote": "L-Phenylalanine, 4-[bis(2-chloroethyl)amino]- | 148-82-3 | 4 | U150 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "L-Phenylalanine, 4-[bis(2-chloroethyl)amino]-", "title": "L-Phenylalanine, 4-[bis(2-chloroethyl)amino]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** L-Serine, diazoacetate (ester)\n\n**CAS No.:** 115-02-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U015\n\n**Regulatory categories:** 4\n\n> L-Serine, diazoacetate (ester) | 115-02-6 | 4 | U015 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "115-02-6", "cercla_rq_lbs": "1", "file": "l-serine-diazoacetate-ester.md", "generated": true, "harvested": "2026-08-05", "id": "l-serine-diazoacetate-ester", "rcra_waste_number": "U015", "regulatory_categories": "4", "source_quote": "L-Serine, diazoacetate (ester) | 115-02-6 | 4 | U015 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "L-Serine, diazoacetate (ester)", "title": "L-Serine, diazoacetate (ester) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lactonitrile\n\n**CAS No.:** 78-97-7\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 78-97-7 | Lactonitrile | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-97-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "lactonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "lactonitrile", "source_quote": "78-97-7 | Lactonitrile | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Lactonitrile", "title": "Lactonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lasiocarpine\n\n**CAS No.:** 303-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U143\n\n**Regulatory categories:** 4\n\n> Lasiocarpine | 303-34-4 | 4 | U143 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "303-34-4", "cercla_rq_lbs": "10", "file": "lasiocarpine.md", "generated": true, "harvested": "2026-08-05", "id": "lasiocarpine", "rcra_waste_number": "U143", "regulatory_categories": "4", "source_quote": "Lasiocarpine | 303-34-4 | 4 | U143 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lasiocarpine", "title": "Lasiocarpine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead acetate\n\n**CAS No.:** 301-04-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U144\n\n**Regulatory categories:** 1,4\n\n> Lead acetate | 301-04-2 | 1,4 | U144 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "301-04-2", "cercla_rq_lbs": "10", "file": "lead-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-acetate", "rcra_waste_number": "U144", "regulatory_categories": "1,4", "source_quote": "Lead acetate | 301-04-2 | 1,4 | U144 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead acetate", "title": "Lead acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead, bis(acetato-O)tetrahydroxytri-\n\n**CAS No.:** 1335-32-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U146\n\n**Regulatory categories:** 4\n\n> Lead, bis(acetato-O)tetrahydroxytri- | 1335-32-6 | 4 | U146 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1335-32-6", "cercla_rq_lbs": "10", "file": "lead-bis-acetato-o-tetrahydroxytri.md", "generated": true, "harvested": "2026-08-05", "id": "lead-bis-acetato-o-tetrahydroxytri", "rcra_waste_number": "U146", "regulatory_categories": "4", "source_quote": "Lead, bis(acetato-O)tetrahydroxytri- | 1335-32-6 | 4 | U146 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead, bis(acetato-O)tetrahydroxytri-", "title": "Lead, bis(acetato-O)tetrahydroxytri- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead chloride\n\n**CAS No.:** 7758-95-4\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead chloride | 7758-95-4 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7758-95-4", "cercla_rq_lbs": "10", "file": "lead-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "lead-chloride", "regulatory_categories": "1", "source_quote": "Lead chloride | 7758-95-4 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead chloride", "title": "Lead chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead fluoborate\n\n**CAS No.:** 13814-96-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead fluoborate | 13814-96-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13814-96-5", "cercla_rq_lbs": "10", "file": "lead-fluoborate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-fluoborate", "regulatory_categories": "1", "source_quote": "Lead fluoborate | 13814-96-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead fluoborate", "title": "Lead fluoborate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead fluoride\n\n**CAS No.:** 7783-46-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead fluoride | 7783-46-2 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-46-2", "cercla_rq_lbs": "10", "file": "lead-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "lead-fluoride", "regulatory_categories": "1", "source_quote": "Lead fluoride | 7783-46-2 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead fluoride", "title": "Lead fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead III\n\n**CAS No.:** 7439-92-1\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 2\n\n> Lead III | 7439-92-1 | 2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7439-92-1", "cercla_rq_lbs": "10", "file": "lead-iii.md", "generated": true, "harvested": "2026-08-05", "id": "lead-iii", "regulatory_categories": "2", "source_quote": "Lead III | 7439-92-1 | 2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead III", "title": "Lead III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead iodide\n\n**CAS No.:** 10101-63-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead iodide | 10101-63-0 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10101-63-0", "cercla_rq_lbs": "10", "file": "lead-iodide.md", "generated": true, "harvested": "2026-08-05", "id": "lead-iodide", "regulatory_categories": "1", "source_quote": "Lead iodide | 10101-63-0 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead iodide", "title": "Lead iodide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead nitrate\n\n**CAS No.:** 10099-74-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead nitrate | 10099-74-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10099-74-8", "cercla_rq_lbs": "10", "file": "lead-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-nitrate", "regulatory_categories": "1", "source_quote": "Lead nitrate | 10099-74-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead nitrate", "title": "Lead nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead phosphate\n\n**CAS No.:** 7446-27-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U145\n\n**Regulatory categories:** 4\n\n> Lead phosphate | 7446-27-7 | 4 | U145 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7446-27-7", "cercla_rq_lbs": "10", "file": "lead-phosphate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-phosphate", "rcra_waste_number": "U145", "regulatory_categories": "4", "source_quote": "Lead phosphate | 7446-27-7 | 4 | U145 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead phosphate", "title": "Lead phosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead subacetate\n\n**CAS No.:** 1335-32-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U146\n\n**Regulatory categories:** 4\n\n> Lead subacetate | 1335-32-6 | 4 | U146 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1335-32-6", "cercla_rq_lbs": "10", "file": "lead-subacetate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-subacetate", "rcra_waste_number": "U146", "regulatory_categories": "4", "source_quote": "Lead subacetate | 1335-32-6 | 4 | U146 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead subacetate", "title": "Lead subacetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead sulfide\n\n**CAS No.:** 1314-87-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead sulfide | 1314-87-0 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-87-0", "cercla_rq_lbs": "10", "file": "lead-sulfide.md", "generated": true, "harvested": "2026-08-05", "id": "lead-sulfide", "regulatory_categories": "1", "source_quote": "Lead sulfide | 1314-87-0 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead sulfide", "title": "Lead sulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lead thiocyanate\n\n**CAS No.:** 592-87-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lead thiocyanate | 592-87-0 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "592-87-0", "cercla_rq_lbs": "10", "file": "lead-thiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "lead-thiocyanate", "regulatory_categories": "1", "source_quote": "Lead thiocyanate | 592-87-0 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lead thiocyanate", "title": "Lead thiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Leptophos\n\n**CAS No.:** 21609-90-5\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 21609-90-5 | Leptophos | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "21609-90-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "leptophos.md", "generated": true, "harvested": "2026-08-05", "id": "leptophos", "source_quote": "21609-90-5 | Leptophos | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Leptophos", "title": "Leptophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lewisite\n\n**CAS No.:** 541-25-3\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 541-25-3 | Lewisite | b, d | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "541-25-3", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "lewisite.md", "generated": true, "harvested": "2026-08-05", "id": "lewisite", "source_quote": "541-25-3 | Lewisite | b, d | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Lewisite", "title": "Lewisite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lindane\n\n**CAS No.:** 58-89-9\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 58-89-9 | Lindane | | 1 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "58-89-9", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1,000/10,000", "file": "lindane-2.md", "generated": true, "harvested": "2026-08-05", "id": "lindane-2", "source_quote": "58-89-9 | Lindane | | 1 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Lindane", "title": "Lindane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lindane (all isomers)\n\n**CAS No.:** 58-89-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U129\n\n**Regulatory categories:** 1,2,3,4\n\n> Lindane (all isomers) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-89-9", "cercla_rq_lbs": "1", "file": "lindane-all-isomers.md", "generated": true, "harvested": "2026-08-05", "id": "lindane-all-isomers", "rcra_waste_number": "U129", "regulatory_categories": "1,2,3,4", "source_quote": "Lindane (all isomers) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lindane (all isomers)", "title": "Lindane (all isomers) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lindane\n\n**CAS No.:** 58-89-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U129\n\n**Regulatory categories:** 1,2,3,4\n\n> Lindane | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-89-9", "cercla_rq_lbs": "1", "file": "lindane.md", "generated": true, "harvested": "2026-08-05", "id": "lindane", "rcra_waste_number": "U129", "regulatory_categories": "1,2,3,4", "source_quote": "Lindane | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lindane", "title": "Lindane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lithium chromate\n\n**CAS No.:** 14307-35-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Lithium chromate | 14307-35-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "14307-35-8", "cercla_rq_lbs": "10", "file": "lithium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "lithium-chromate", "regulatory_categories": "1", "source_quote": "Lithium chromate | 14307-35-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Lithium chromate", "title": "Lithium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Lithium Hydride\n\n**CAS No.:** 7580-67-8\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 7580-67-8 | Lithium Hydride | a | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7580-67-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "lithium-hydride.md", "generated": true, "harvested": "2026-08-05", "id": "lithium-hydride", "source_quote": "7580-67-8 | Lithium Hydride | a | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Lithium Hydride", "title": "Lithium Hydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Cresol\n\n**CAS No.:** 108-39-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> m-Cresol | 108-39-4 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-39-4", "cercla_rq_lbs": "100", "file": "m-cresol.md", "generated": true, "harvested": "2026-08-05", "id": "m-cresol", "regulatory_categories": "3", "source_quote": "m-Cresol | 108-39-4 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Cresol", "title": "m-Cresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Cumenyl methylcarbamate\n\n**CAS No.:** 64-00-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P202\n\n**Regulatory categories:** 4\n\n> m-Cumenyl methylcarbamate | 64-00-6 | 4 | P202 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-00-6", "cercla_rq_lbs": "10", "file": "m-cumenyl-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "m-cumenyl-methylcarbamate", "rcra_waste_number": "P202", "regulatory_categories": "4", "source_quote": "m-Cumenyl methylcarbamate | 64-00-6 | 4 | P202 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Cumenyl methylcarbamate", "title": "m-Cumenyl methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Dichlorobenzene\n\n**CAS No.:** 541-73-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U071\n\n**Regulatory categories:** 2,4\n\n> m-Dichlorobenzene | 541-73-1 | 2,4 | U071 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-73-1", "cercla_rq_lbs": "100", "file": "m-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "m-dichlorobenzene", "rcra_waste_number": "U071", "regulatory_categories": "2,4", "source_quote": "m-Dichlorobenzene | 541-73-1 | 2,4 | U071 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Dichlorobenzene", "title": "m-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Dinitrobenzene\n\n**CAS No.:** 99-65-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> m-Dinitrobenzene | 99-65-0 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-65-0", "cercla_rq_lbs": "100", "file": "m-dinitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "m-dinitrobenzene", "regulatory_categories": "1", "source_quote": "m-Dinitrobenzene | 99-65-0 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Dinitrobenzene", "title": "m-Dinitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Nitrophenol\n\n**CAS No.:** 554-84-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> m-Nitrophenol | 554-84-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "554-84-7", "cercla_rq_lbs": "100", "file": "m-nitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "m-nitrophenol", "regulatory_categories": "1", "source_quote": "m-Nitrophenol | 554-84-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Nitrophenol", "title": "m-Nitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Nitrotoluene\n\n**CAS No.:** 99-08-1\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> m-Nitrotoluene | 99-08-1 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-08-1", "cercla_rq_lbs": "1000", "file": "m-nitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "m-nitrotoluene", "regulatory_categories": "1", "source_quote": "m-Nitrotoluene | 99-08-1 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Nitrotoluene", "title": "m-Nitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** m-Xylene\n\n**CAS No.:** 108-38-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> m-Xylene | 108-38-3 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-38-3", "cercla_rq_lbs": "1000", "file": "m-xylene.md", "generated": true, "harvested": "2026-08-05", "id": "m-xylene", "regulatory_categories": "3", "source_quote": "m-Xylene | 108-38-3 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "m-Xylene", "title": "m-Xylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Malathion\n\n**CAS No.:** 121-75-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Malathion | 121-75-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-75-5", "cercla_rq_lbs": "100", "file": "malathion.md", "generated": true, "harvested": "2026-08-05", "id": "malathion", "regulatory_categories": "1", "source_quote": "Malathion | 121-75-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Malathion", "title": "Malathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Maleic acid\n\n**CAS No.:** 110-16-7\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Maleic acid | 110-16-7 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-16-7", "cercla_rq_lbs": "5000", "file": "maleic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "maleic-acid", "regulatory_categories": "1", "source_quote": "Maleic acid | 110-16-7 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Maleic acid", "title": "Maleic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Maleic anhydride\n\n**CAS No.:** 108-31-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U147\n\n**Regulatory categories:** 1,3,4\n\n> Maleic anhydride | 108-31-6 | 1,3,4 | U147 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-31-6", "cercla_rq_lbs": "5000", "file": "maleic-anhydride.md", "generated": true, "harvested": "2026-08-05", "id": "maleic-anhydride", "rcra_waste_number": "U147", "regulatory_categories": "1,3,4", "source_quote": "Maleic anhydride | 108-31-6 | 1,3,4 | U147 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Maleic anhydride", "title": "Maleic anhydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Maleic hydrazide\n\n**CAS No.:** 123-33-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U148\n\n**Regulatory categories:** 4\n\n> Maleic hydrazide | 123-33-1 | 4 | U148 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-33-1", "cercla_rq_lbs": "5000", "file": "maleic-hydrazide.md", "generated": true, "harvested": "2026-08-05", "id": "maleic-hydrazide", "rcra_waste_number": "U148", "regulatory_categories": "4", "source_quote": "Maleic hydrazide | 123-33-1 | 4 | U148 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Maleic hydrazide", "title": "Maleic hydrazide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Malononitrile\n\n**CAS No.:** 109-77-3\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 109-77-3 | Malononitrile | | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "109-77-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "malononitrile-2.md", "generated": true, "harvested": "2026-08-05", "id": "malononitrile-2", "source_quote": "109-77-3 | Malononitrile | | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Malononitrile", "title": "Malononitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Malononitrile\n\n**CAS No.:** 109-77-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U149\n\n**Regulatory categories:** 4\n\n> Malononitrile | 109-77-3 | 4 | U149 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-77-3", "cercla_rq_lbs": "1000", "file": "malononitrile.md", "generated": true, "harvested": "2026-08-05", "id": "malononitrile", "rcra_waste_number": "U149", "regulatory_categories": "4", "source_quote": "Malononitrile | 109-77-3 | 4 | U149 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Malononitrile", "title": "Malononitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Manganese, bis (dimethylcarbamodithioato-S,S\u2032)-\n\n**CAS No.:** 15339-36-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P196\n\n**Regulatory categories:** 4\n\n> Manganese, bis (dimethylcarbamodithioato-S,S\u2032)- | 15339-36-3 | 4 | P196 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "15339-36-3", "cercla_rq_lbs": "10", "file": "manganese-bis-dimethylcarbamodithioato-s-s.md", "generated": true, "harvested": "2026-08-05", "id": "manganese-bis-dimethylcarbamodithioato-s-s", "rcra_waste_number": "P196", "regulatory_categories": "4", "source_quote": "Manganese, bis (dimethylcarbamodithioato-S,S\u2032)- | 15339-36-3 | 4 | P196 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Manganese, bis (dimethylcarbamodithioato-S,S\u2032)-", "title": "Manganese, bis (dimethylcarbamodithioato-S,S\u2032)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Manganese dimethyldithiocarbamate\n\n**CAS No.:** 15339-36-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P196\n\n**Regulatory categories:** 4\n\n> Manganese dimethyldithiocarbamate | 15339-36-3 | 4 | P196 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "15339-36-3", "cercla_rq_lbs": "10", "file": "manganese-dimethyldithiocarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "manganese-dimethyldithiocarbamate", "rcra_waste_number": "P196", "regulatory_categories": "4", "source_quote": "Manganese dimethyldithiocarbamate | 15339-36-3 | 4 | P196 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Manganese dimethyldithiocarbamate", "title": "Manganese dimethyldithiocarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Manganese, Tricarbonyl Methylcyclopentadienyl\n\n**CAS No.:** 12108-13-3\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 12108-13-3 | Manganese, Tricarbonyl Methylcyclopentadienyl | d | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "12108-13-3", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "manganese-tricarbonyl-methylcyclopentadienyl.md", "generated": true, "harvested": "2026-08-05", "id": "manganese-tricarbonyl-methylcyclopentadienyl", "source_quote": "12108-13-3 | Manganese, Tricarbonyl Methylcyclopentadienyl | d | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Manganese, Tricarbonyl Methylcyclopentadienyl", "title": "Manganese, Tricarbonyl Methylcyclopentadienyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** MDI\n\n**CAS No.:** 101-68-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 3\n\n> MDI | 101-68-8 | 3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-68-8", "cercla_rq_lbs": "5000", "file": "mdi.md", "generated": true, "harvested": "2026-08-05", "id": "mdi", "regulatory_categories": "3", "source_quote": "MDI | 101-68-8 | 3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "MDI", "title": "MDI \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mechlorethamine\n\n**CAS No.:** 51-75-2\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 51-75-2 | Mechlorethamine | b | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "51-75-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "mechlorethamine.md", "generated": true, "harvested": "2026-08-05", "id": "mechlorethamine", "source_quote": "51-75-2 | Mechlorethamine | b | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mechlorethamine", "title": "Mechlorethamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** MEK\n\n**CAS No.:** 78-93-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U159\n\n**Regulatory categories:** 4\n\n> MEK | 78-93-3 | 4 | U159 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-93-3", "cercla_rq_lbs": "5000", "file": "mek.md", "generated": true, "harvested": "2026-08-05", "id": "mek", "rcra_waste_number": "U159", "regulatory_categories": "4", "source_quote": "MEK | 78-93-3 | 4 | U159 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "MEK", "title": "MEK \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Melphalan\n\n**CAS No.:** 148-82-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U150\n\n**Regulatory categories:** 4\n\n> Melphalan | 148-82-3 | 4 | U150 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "148-82-3", "cercla_rq_lbs": "1", "file": "melphalan.md", "generated": true, "harvested": "2026-08-05", "id": "melphalan", "rcra_waste_number": "U150", "regulatory_categories": "4", "source_quote": "Melphalan | 148-82-3 | 4 | U150 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Melphalan", "title": "Melphalan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mephosfolan\n\n**CAS No.:** 950-10-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 950-10-7 | Mephosfolan | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "950-10-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "mephosfolan.md", "generated": true, "harvested": "2026-08-05", "id": "mephosfolan", "source_quote": "950-10-7 | Mephosfolan | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mephosfolan", "title": "Mephosfolan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercaptodimethur\n\n**CAS No.:** 2032-65-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P199\n\n**Regulatory categories:** 1,4\n\n> Mercaptodimethur | 2032-65-7 | 1,4 | P199 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2032-65-7", "cercla_rq_lbs": "10", "file": "mercaptodimethur.md", "generated": true, "harvested": "2026-08-05", "id": "mercaptodimethur", "rcra_waste_number": "P199", "regulatory_categories": "1,4", "source_quote": "Mercaptodimethur | 2032-65-7 | 1,4 | P199 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercaptodimethur", "title": "Mercaptodimethur \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric Acetate\n\n**CAS No.:** 1600-27-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 1600-27-7 | Mercuric Acetate | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1600-27-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "mercuric-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-acetate", "source_quote": "500 | 1600-27-7 | Mercuric Acetate | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mercuric Acetate", "title": "Mercuric Acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric Chloride\n\n**CAS No.:** 7487-94-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 7487-94-7 | Mercuric Chloride | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7487-94-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "mercuric-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-chloride", "source_quote": "500/10,000 | 7487-94-7 | Mercuric Chloride | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mercuric Chloride", "title": "Mercuric Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric cyanide\n\n**CAS No.:** 592-04-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Mercuric cyanide | 592-04-1 | 1 | | 1(0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "592-04-1", "cercla_rq_lbs": "1", "file": "mercuric-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-cyanide", "regulatory_categories": "1", "source_quote": "Mercuric cyanide | 592-04-1 | 1 | | 1(0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercuric cyanide", "title": "Mercuric cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric nitrate\n\n**CAS No.:** 10045-94-0\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Mercuric nitrate | 10045-94-0 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10045-94-0", "cercla_rq_lbs": "10", "file": "mercuric-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-nitrate", "regulatory_categories": "1", "source_quote": "Mercuric nitrate | 10045-94-0 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercuric nitrate", "title": "Mercuric nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric Oxide\n\n**CAS No.:** 21908-53-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 21908-53-2 | Mercuric Oxide | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "21908-53-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "mercuric-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-oxide", "source_quote": "21908-53-2 | Mercuric Oxide | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mercuric Oxide", "title": "Mercuric Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric sulfate\n\n**CAS No.:** 7783-35-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Mercuric sulfate | 7783-35-9 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-35-9", "cercla_rq_lbs": "10", "file": "mercuric-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-sulfate", "regulatory_categories": "1", "source_quote": "Mercuric sulfate | 7783-35-9 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercuric sulfate", "title": "Mercuric sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercuric thiocyanate\n\n**CAS No.:** 592-85-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Mercuric thiocyanate | 592-85-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "592-85-8", "cercla_rq_lbs": "10", "file": "mercuric-thiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "mercuric-thiocyanate", "regulatory_categories": "1", "source_quote": "Mercuric thiocyanate | 592-85-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercuric thiocyanate", "title": "Mercuric thiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercurous nitrate\n\n**CAS No.:** 10415-75-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Mercurous nitrate | 10415-75-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10415-75-5", "cercla_rq_lbs": "10", "file": "mercurous-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "mercurous-nitrate", "regulatory_categories": "1", "source_quote": "Mercurous nitrate | 10415-75-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercurous nitrate", "title": "Mercurous nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercury, (acetato-O)phenyl-\n\n**CAS No.:** 62-38-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P092\n\n**Regulatory categories:** 4\n\n> Mercury, (acetato-O)phenyl- | 62-38-4 | 4 | P092 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-38-4", "cercla_rq_lbs": "100", "file": "mercury-acetato-o-phenyl.md", "generated": true, "harvested": "2026-08-05", "id": "mercury-acetato-o-phenyl", "rcra_waste_number": "P092", "regulatory_categories": "4", "source_quote": "Mercury, (acetato-O)phenyl- | 62-38-4 | 4 | P092 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercury, (acetato-O)phenyl-", "title": "Mercury, (acetato-O)phenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mercury fulminate\n\n**CAS No.:** 628-86-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P065\n\n**Regulatory categories:** 4\n\n> Mercury fulminate | 628-86-4 | 4 | P065 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "628-86-4", "cercla_rq_lbs": "10", "file": "mercury-fulminate.md", "generated": true, "harvested": "2026-08-05", "id": "mercury-fulminate", "rcra_waste_number": "P065", "regulatory_categories": "4", "source_quote": "Mercury fulminate | 628-86-4 | 4 | P065 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mercury fulminate", "title": "Mercury fulminate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacrolein Diacetate\n\n**CAS No.:** 10476-95-6\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 10476-95-6 | Methacrolein Diacetate | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10476-95-6", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "methacrolein-diacetate.md", "generated": true, "harvested": "2026-08-05", "id": "methacrolein-diacetate", "source_quote": "10476-95-6 | Methacrolein Diacetate | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methacrolein Diacetate", "title": "Methacrolein Diacetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacrylic Anhydride\n\n**CAS No.:** 760-93-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 760-93-0 | Methacrylic Anhydride | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "760-93-0", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "methacrylic-anhydride.md", "generated": true, "harvested": "2026-08-05", "id": "methacrylic-anhydride", "source_quote": "760-93-0 | Methacrylic Anhydride | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methacrylic Anhydride", "title": "Methacrylic Anhydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacrylonitrile\n\n**CAS No.:** 126-98-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1,000\n\n> 500 | 126-98-7 | Methacrylonitrile | d | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "126-98-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500", "file": "methacrylonitrile-2.md", "generated": true, "harvested": "2026-08-05", "id": "methacrylonitrile-2", "source_quote": "500 | 126-98-7 | Methacrylonitrile | d | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methacrylonitrile", "title": "Methacrylonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacrylonitrile\n\n**CAS No.:** 126-98-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U152\n\n**Regulatory categories:** 4\n\n> Methacrylonitrile | 126-98-7 | 4 | U152 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "126-98-7", "cercla_rq_lbs": "1000", "file": "methacrylonitrile.md", "generated": true, "harvested": "2026-08-05", "id": "methacrylonitrile", "rcra_waste_number": "U152", "regulatory_categories": "4", "source_quote": "Methacrylonitrile | 126-98-7 | 4 | U152 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methacrylonitrile", "title": "Methacrylonitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacryloyl Chloride\n\n**CAS No.:** 920-46-7\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 920-46-7 | Methacryloyl Chloride | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "920-46-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "methacryloyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "methacryloyl-chloride", "source_quote": "920-46-7 | Methacryloyl Chloride | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methacryloyl Chloride", "title": "Methacryloyl Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methacryloyloxyethyl Isocyanate\n\n**CAS No.:** 30674-80-7\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 30674-80-7 | Methacryloyloxyethyl Isocyanate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "30674-80-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "methacryloyloxyethyl-isocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "methacryloyloxyethyl-isocyanate", "source_quote": "100 | 30674-80-7 | Methacryloyloxyethyl Isocyanate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methacryloyloxyethyl Isocyanate", "title": "Methacryloyloxyethyl Isocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methamidophos\n\n**CAS No.:** 10265-92-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 10265-92-6 | Methamidophos | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10265-92-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "methamidophos.md", "generated": true, "harvested": "2026-08-05", "id": "methamidophos", "source_quote": "10265-92-6 | Methamidophos | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methamidophos", "title": "Methamidophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanamine, N-methyl-N-nitroso-\n\n**CAS No.:** 62-75-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P082\n\n**Regulatory categories:** 2,3,4\n\n> Methanamine, N-methyl-N-nitroso- | 62-75-9 | 2,3,4 | P082 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-75-9", "cercla_rq_lbs": "10", "file": "methanamine-n-methyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "methanamine-n-methyl-n-nitroso", "rcra_waste_number": "P082", "regulatory_categories": "2,3,4", "source_quote": "Methanamine, N-methyl-N-nitroso- | 62-75-9 | 2,3,4 | P082 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanamine, N-methyl-N-nitroso-", "title": "Methanamine, N-methyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanamine, N-methyl-\n\n**CAS No.:** 124-40-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U092\n\n**Regulatory categories:** 1,4\n\n> Methanamine, N-methyl- | 124-40-3 | 1,4 | U092 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "124-40-3", "cercla_rq_lbs": "1000", "file": "methanamine-n-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "methanamine-n-methyl", "rcra_waste_number": "U092", "regulatory_categories": "1,4", "source_quote": "Methanamine, N-methyl- | 124-40-3 | 1,4 | U092 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanamine, N-methyl-", "title": "Methanamine, N-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, bromo-\n\n**CAS No.:** 74-83-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U029\n\n**Regulatory categories:** 2,3,4\n\n> Methane, bromo- | 74-83-9 | 2,3,4 | U029 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-83-9", "cercla_rq_lbs": "1000", "file": "methane-bromo.md", "generated": true, "harvested": "2026-08-05", "id": "methane-bromo", "rcra_waste_number": "U029", "regulatory_categories": "2,3,4", "source_quote": "Methane, bromo- | 74-83-9 | 2,3,4 | U029 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, bromo-", "title": "Methane, bromo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, chloro-\n\n**CAS No.:** 74-87-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U045\n\n**Regulatory categories:** 2,3,4\n\n> Methane, chloro- | 74-87-3 | 2,3,4 | U045 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-87-3", "cercla_rq_lbs": "100", "file": "methane-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-chloro", "rcra_waste_number": "U045", "regulatory_categories": "2,3,4", "source_quote": "Methane, chloro- | 74-87-3 | 2,3,4 | U045 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, chloro-", "title": "Methane, chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, chloromethoxy-\n\n**CAS No.:** 107-30-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U046\n\n**Regulatory categories:** 3,4\n\n> Methane, chloromethoxy- | 107-30-2 | 3,4 | U046 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-30-2", "cercla_rq_lbs": "10", "file": "methane-chloromethoxy.md", "generated": true, "harvested": "2026-08-05", "id": "methane-chloromethoxy", "rcra_waste_number": "U046", "regulatory_categories": "3,4", "source_quote": "Methane, chloromethoxy- | 107-30-2 | 3,4 | U046 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, chloromethoxy-", "title": "Methane, chloromethoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, dibromo-\n\n**CAS No.:** 74-95-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U068\n\n**Regulatory categories:** 4\n\n> Methane, dibromo- | 74-95-3 | 4 | U068 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-95-3", "cercla_rq_lbs": "1000", "file": "methane-dibromo.md", "generated": true, "harvested": "2026-08-05", "id": "methane-dibromo", "rcra_waste_number": "U068", "regulatory_categories": "4", "source_quote": "Methane, dibromo- | 74-95-3 | 4 | U068 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, dibromo-", "title": "Methane, dibromo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, dichloro-\n\n**CAS No.:** 75-09-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U080\n\n**Regulatory categories:** 2,3,4\n\n> Methane, dichloro- | 75-09-2 | 2,3,4 | U080 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-09-2", "cercla_rq_lbs": "1000", "file": "methane-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-dichloro", "rcra_waste_number": "U080", "regulatory_categories": "2,3,4", "source_quote": "Methane, dichloro- | 75-09-2 | 2,3,4 | U080 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, dichloro-", "title": "Methane, dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, dichlorodifluoro-\n\n**CAS No.:** 75-71-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U075\n\n**Regulatory categories:** 4\n\n> Methane, dichlorodifluoro- | 75-71-8 | 4 | U075 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-71-8", "cercla_rq_lbs": "5000", "file": "methane-dichlorodifluoro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-dichlorodifluoro", "rcra_waste_number": "U075", "regulatory_categories": "4", "source_quote": "Methane, dichlorodifluoro- | 75-71-8 | 4 | U075 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, dichlorodifluoro-", "title": "Methane, dichlorodifluoro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, iodo-\n\n**CAS No.:** 74-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U138\n\n**Regulatory categories:** 3,4\n\n> Methane, iodo- | 74-88-4 | 3,4 | U138 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-88-4", "cercla_rq_lbs": "100", "file": "methane-iodo.md", "generated": true, "harvested": "2026-08-05", "id": "methane-iodo", "rcra_waste_number": "U138", "regulatory_categories": "3,4", "source_quote": "Methane, iodo- | 74-88-4 | 3,4 | U138 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, iodo-", "title": "Methane, iodo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, isocyanato-\n\n**CAS No.:** 624-83-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P064\n\n**Regulatory categories:** 3,4\n\n> Methane, isocyanato- | 624-83-9 | 3,4 | P064 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "624-83-9", "cercla_rq_lbs": "10", "file": "methane-isocyanato.md", "generated": true, "harvested": "2026-08-05", "id": "methane-isocyanato", "rcra_waste_number": "P064", "regulatory_categories": "3,4", "source_quote": "Methane, isocyanato- | 624-83-9 | 3,4 | P064 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, isocyanato-", "title": "Methane, isocyanato- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, oxybis(chloro-\n\n**CAS No.:** 542-88-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P016\n\n**Regulatory categories:** 3,4\n\n> Methane, oxybis(chloro- | 542-88-1 | 3,4 | P016 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-88-1", "cercla_rq_lbs": "10", "file": "methane-oxybis-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-oxybis-chloro", "rcra_waste_number": "P016", "regulatory_categories": "3,4", "source_quote": "Methane, oxybis(chloro- | 542-88-1 | 3,4 | P016 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, oxybis(chloro-", "title": "Methane, oxybis(chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, tetrachloro-\n\n**CAS No.:** 56-23-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U211\n\n**Regulatory categories:** 1,2,3,4\n\n> Methane, tetrachloro- | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-23-5", "cercla_rq_lbs": "10", "file": "methane-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-tetrachloro", "rcra_waste_number": "U211", "regulatory_categories": "1,2,3,4", "source_quote": "Methane, tetrachloro- | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, tetrachloro-", "title": "Methane, tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, tetranitro-\n\n**CAS No.:** 509-14-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P112\n\n**Regulatory categories:** 4\n\n> Methane, tetranitro- | 509-14-8 | 4 | P112 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "509-14-8", "cercla_rq_lbs": "10", "file": "methane-tetranitro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-tetranitro", "rcra_waste_number": "P112", "regulatory_categories": "4", "source_quote": "Methane, tetranitro- | 509-14-8 | 4 | P112 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, tetranitro-", "title": "Methane, tetranitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, tribromo-\n\n**CAS No.:** 75-25-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U225\n\n**Regulatory categories:** 2,3,4\n\n> Methane, tribromo- | 75-25-2 | 2,3,4 | U225 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-25-2", "cercla_rq_lbs": "100", "file": "methane-tribromo.md", "generated": true, "harvested": "2026-08-05", "id": "methane-tribromo", "rcra_waste_number": "U225", "regulatory_categories": "2,3,4", "source_quote": "Methane, tribromo- | 75-25-2 | 2,3,4 | U225 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, tribromo-", "title": "Methane, tribromo- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, trichloro-\n\n**CAS No.:** 67-66-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U044\n\n**Regulatory categories:** 1,2,3,4\n\n> Methane, trichloro- | 67-66-3 | 1,2,3,4 | U044 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-66-3", "cercla_rq_lbs": "10", "file": "methane-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-trichloro", "rcra_waste_number": "U044", "regulatory_categories": "1,2,3,4", "source_quote": "Methane, trichloro- | 67-66-3 | 1,2,3,4 | U044 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, trichloro-", "title": "Methane, trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methane, trichlorofluoro-\n\n**CAS No.:** 75-69-4\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U121\n\n**Regulatory categories:** 4\n\n> Methane, trichlorofluoro- | 75-69-4 | 4 | U121 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-69-4", "cercla_rq_lbs": "5000", "file": "methane-trichlorofluoro.md", "generated": true, "harvested": "2026-08-05", "id": "methane-trichlorofluoro", "rcra_waste_number": "U121", "regulatory_categories": "4", "source_quote": "Methane, trichlorofluoro- | 75-69-4 | 4 | U121 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methane, trichlorofluoro-", "title": "Methane, trichlorofluoro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanesulfenyl chloride, trichloro-\n\n**CAS No.:** 594-42-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P118\n\n**Regulatory categories:** 4\n\n> Methanesulfenyl chloride, trichloro- | 594-42-3 | 4 | P118 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "594-42-3", "cercla_rq_lbs": "100", "file": "methanesulfenyl-chloride-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "methanesulfenyl-chloride-trichloro", "rcra_waste_number": "P118", "regulatory_categories": "4", "source_quote": "Methanesulfenyl chloride, trichloro- | 594-42-3 | 4 | P118 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanesulfenyl chloride, trichloro-", "title": "Methanesulfenyl chloride, trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanesulfonic acid, ethyl ester\n\n**CAS No.:** 62-50-0\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U119\n\n**Regulatory categories:** 4\n\n> Methanesulfonic acid, ethyl ester | 62-50-0 | 4 | U119 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-50-0", "cercla_rq_lbs": "1", "file": "methanesulfonic-acid-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "methanesulfonic-acid-ethyl-ester", "rcra_waste_number": "U119", "regulatory_categories": "4", "source_quote": "Methanesulfonic acid, ethyl ester | 62-50-0 | 4 | U119 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanesulfonic acid, ethyl ester", "title": "Methanesulfonic acid, ethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanesulfonyl Fluoride\n\n**CAS No.:** 558-25-8\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 558-25-8 | Methanesulfonyl Fluoride | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "558-25-8", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "methanesulfonyl-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "methanesulfonyl-fluoride", "source_quote": "558-25-8 | Methanesulfonyl Fluoride | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methanesulfonyl Fluoride", "title": "Methanesulfonyl Fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanethiol\n\n**CAS No.:** 74-93-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U153\n\n**Regulatory categories:** 1,4\n\n> Methanethiol | 74-93-1 | 1,4 | U153 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-93-1", "cercla_rq_lbs": "100", "file": "methanethiol.md", "generated": true, "harvested": "2026-08-05", "id": "methanethiol", "rcra_waste_number": "U153", "regulatory_categories": "1,4", "source_quote": "Methanethiol | 74-93-1 | 1,4 | U153 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanethiol", "title": "Methanethiol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanimidamide, N,N-dimethyl-N\u2032-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]-\n\n**CAS No.:** 17702-57-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P197\n\n**Regulatory categories:** 4\n\n> Methanimidamide, N,N-dimethyl-N\u2032-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]- | 17702-57-7 | 4 | P197 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "17702-57-7", "cercla_rq_lbs": "100", "file": "methanimidamide-n-n-dimethyl-n-2-methyl-4-methylamino-carbonyl-oxy-phenyl.md", "generated": true, "harvested": "2026-08-05", "id": "methanimidamide-n-n-dimethyl-n-2-methyl-4-methylamino-carbonyl-oxy-phenyl", "rcra_waste_number": "P197", "regulatory_categories": "4", "source_quote": "Methanimidamide, N,N-dimethyl-N\u2032-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]- | 17702-57-7 | 4 | P197 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanimidamide, N,N-dimethyl-N\u2032-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]-", "title": "Methanimidamide, N,N-dimethyl-N\u2032-[2-methyl-4- [[(methylamino) carbonyl]oxy]phenyl]- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanimidamide, N,N-dimethyl-N\u2032-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride\n\n**CAS No.:** 23422-53-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P198\n\n**Regulatory categories:** 4\n\n> Methanimidamide, N,N-dimethyl-N\u2032-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride | 23422-53-9 | 4 | P198 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23422-53-9", "cercla_rq_lbs": "100", "file": "methanimidamide-n-n-dimethyl-n-3-methylamino-carbonyl-oxy-phenyl-monohydrochlori.md", "generated": true, "harvested": "2026-08-05", "id": "methanimidamide-n-n-dimethyl-n-3-methylamino-carbonyl-oxy-phenyl-monohydrochlori", "rcra_waste_number": "P198", "regulatory_categories": "4", "source_quote": "Methanimidamide, N,N-dimethyl-N\u2032-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride | 23422-53-9 | 4 | P198 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanimidamide, N,N-dimethyl-N\u2032-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride", "title": "Methanimidamide, N,N-dimethyl-N\u2032-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methanol\n\n**CAS No.:** 67-56-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U154\n\n**Regulatory categories:** 3,4\n\n> Methanol | 67-56-1 | 3,4 | U154 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-56-1", "cercla_rq_lbs": "5000", "file": "methanol.md", "generated": true, "harvested": "2026-08-05", "id": "methanol", "rcra_waste_number": "U154", "regulatory_categories": "3,4", "source_quote": "Methanol | 67-56-1 | 3,4 | U154 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methanol", "title": "Methanol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methapyrilene\n\n**CAS No.:** 91-80-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U155\n\n**Regulatory categories:** 4\n\n> Methapyrilene | 91-80-5 | 4 | U155 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-80-5", "cercla_rq_lbs": "5000", "file": "methapyrilene.md", "generated": true, "harvested": "2026-08-05", "id": "methapyrilene", "rcra_waste_number": "U155", "regulatory_categories": "4", "source_quote": "Methapyrilene | 91-80-5 | 4 | U155 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methapyrilene", "title": "Methapyrilene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methidathion\n\n**CAS No.:** 950-37-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 950-37-8 | Methidathion | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "950-37-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "methidathion.md", "generated": true, "harvested": "2026-08-05", "id": "methidathion", "source_quote": "950-37-8 | Methidathion | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methidathion", "title": "Methidathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methiocarb\n\n**CAS No.:** 2032-65-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 2032-65-7 | Methiocarb | | 10 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2032-65-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500/10,000", "file": "methiocarb-2.md", "generated": true, "harvested": "2026-08-05", "id": "methiocarb-2", "source_quote": "2032-65-7 | Methiocarb | | 10 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methiocarb", "title": "Methiocarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methiocarb\n\n**CAS No.:** 2032-65-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P199\n\n**Regulatory categories:** 1,4\n\n> Methiocarb | 2032-65-7 | 1,4 | P199 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2032-65-7", "cercla_rq_lbs": "10", "file": "methiocarb.md", "generated": true, "harvested": "2026-08-05", "id": "methiocarb", "rcra_waste_number": "P199", "regulatory_categories": "1,4", "source_quote": "Methiocarb | 2032-65-7 | 1,4 | P199 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methiocarb", "title": "Methiocarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methomyl\n\n**CAS No.:** 16752-77-5\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 16752-77-5 | Methomyl | d | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "16752-77-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "methomyl-2.md", "generated": true, "harvested": "2026-08-05", "id": "methomyl-2", "source_quote": "16752-77-5 | Methomyl | d | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methomyl", "title": "Methomyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methomyl\n\n**CAS No.:** 16752-77-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P066\n\n**Regulatory categories:** 4\n\n> Methomyl | 16752-77-5 | 4 | P066 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16752-77-5", "cercla_rq_lbs": "100", "file": "methomyl.md", "generated": true, "harvested": "2026-08-05", "id": "methomyl", "rcra_waste_number": "P066", "regulatory_categories": "4", "source_quote": "Methomyl | 16752-77-5 | 4 | P066 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methomyl", "title": "Methomyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methoxychlor\n\n**CAS No.:** 72-43-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U247\n\n**Regulatory categories:** 1,3,4\n\n> Methoxychlor | 72-43-5 | 1,3,4 | U247 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-43-5", "cercla_rq_lbs": "1", "file": "methoxychlor.md", "generated": true, "harvested": "2026-08-05", "id": "methoxychlor", "rcra_waste_number": "U247", "regulatory_categories": "1,3,4", "source_quote": "Methoxychlor | 72-43-5 | 1,3,4 | U247 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methoxychlor", "title": "Methoxychlor \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methoxyethylmercuric Acetate\n\n**CAS No.:** 151-38-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 151-38-2 | Methoxyethylmercuric Acetate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "151-38-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "methoxyethylmercuric-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "methoxyethylmercuric-acetate", "source_quote": "500/10,000 | 151-38-2 | Methoxyethylmercuric Acetate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methoxyethylmercuric Acetate", "title": "Methoxyethylmercuric Acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl 2-Chloroacrylate\n\n**CAS No.:** 80-63-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 80-63-7 | Methyl 2-Chloroacrylate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "80-63-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "methyl-2-chloroacrylate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-2-chloroacrylate", "source_quote": "500/10,000 | 80-63-7 | Methyl 2-Chloroacrylate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl 2-Chloroacrylate", "title": "Methyl 2-Chloroacrylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl alcohol\n\n**CAS No.:** 67-56-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U154\n\n**Regulatory categories:** 3,4\n\n> Methyl alcohol | 67-56-1 | 3,4 | U154 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "67-56-1", "cercla_rq_lbs": "5000", "file": "methyl-alcohol.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-alcohol", "rcra_waste_number": "U154", "regulatory_categories": "3,4", "source_quote": "Methyl alcohol | 67-56-1 | 3,4 | U154 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl alcohol", "title": "Methyl alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Bromide\n\n**CAS No.:** 74-83-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 74-83-9 | Methyl Bromide | f | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "74-83-9", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "methyl-bromide-2.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-bromide-2", "source_quote": "74-83-9 | Methyl Bromide | f | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Bromide", "title": "Methyl Bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl bromide\n\n**CAS No.:** 74-83-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U029\n\n**Regulatory categories:** 2,3,4\n\n> Methyl bromide | 74-83-9 | 2,3,4 | U029 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-83-9", "cercla_rq_lbs": "1000", "file": "methyl-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-bromide", "rcra_waste_number": "U029", "regulatory_categories": "2,3,4", "source_quote": "Methyl bromide | 74-83-9 | 2,3,4 | U029 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl bromide", "title": "Methyl bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl chloride\n\n**CAS No.:** 74-87-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U045\n\n**Regulatory categories:** 2,3,4\n\n> Methyl chloride | 74-87-3 | 2,3,4 | U045 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-87-3", "cercla_rq_lbs": "100", "file": "methyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-chloride", "rcra_waste_number": "U045", "regulatory_categories": "2,3,4", "source_quote": "Methyl chloride | 74-87-3 | 2,3,4 | U045 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl chloride", "title": "Methyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl chlorocarbonate\n\n**CAS No.:** 79-22-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U156\n\n**Regulatory categories:** 4\n\n> Methyl chlorocarbonate | 79-22-1 | 4 | U156 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-22-1", "cercla_rq_lbs": "1000", "file": "methyl-chlorocarbonate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-chlorocarbonate", "rcra_waste_number": "U156", "regulatory_categories": "4", "source_quote": "Methyl chlorocarbonate | 79-22-1 | 4 | U156 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl chlorocarbonate", "title": "Methyl chlorocarbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl chloroform\n\n**CAS No.:** 71-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U226\n\n**Regulatory categories:** 2,3,4\n\n> Methyl chloroform | 71-55-6 | 2,3,4 | U226 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-55-6", "cercla_rq_lbs": "1000", "file": "methyl-chloroform.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-chloroform", "rcra_waste_number": "U226", "regulatory_categories": "2,3,4", "source_quote": "Methyl chloroform | 71-55-6 | 2,3,4 | U226 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl chloroform", "title": "Methyl chloroform \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Chloroformate\n\n**CAS No.:** 79-22-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1,000 | 79-22-1 | Methyl Chloroformate | d | 1,000 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "79-22-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500", "file": "methyl-chloroformate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-chloroformate", "source_quote": "1,000 | 79-22-1 | Methyl Chloroformate | d | 1,000 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Chloroformate", "title": "Methyl Chloroformate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl ethyl ketone peroxide\n\n**CAS No.:** 1338-23-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U160\n\n**Regulatory categories:** 4\n\n> Methyl ethyl ketone peroxide | 1338-23-4 | 4 | U160 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1338-23-4", "cercla_rq_lbs": "10", "file": "methyl-ethyl-ketone-peroxide.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-ethyl-ketone-peroxide", "rcra_waste_number": "U160", "regulatory_categories": "4", "source_quote": "Methyl ethyl ketone peroxide | 1338-23-4 | 4 | U160 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl ethyl ketone peroxide", "title": "Methyl ethyl ketone peroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl ethyl ketone\n\n**CAS No.:** 78-93-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U159\n\n**Regulatory categories:** 4\n\n> Methyl ethyl ketone | 78-93-3 | 4 | U159 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-93-3", "cercla_rq_lbs": "5000", "file": "methyl-ethyl-ketone.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-ethyl-ketone", "rcra_waste_number": "U159", "regulatory_categories": "4", "source_quote": "Methyl ethyl ketone | 78-93-3 | 4 | U159 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl ethyl ketone", "title": "Methyl ethyl ketone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Hydrazine\n\n**CAS No.:** 60-34-4\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 500 | 60-34-4 | Methyl Hydrazine | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "60-34-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "methyl-hydrazine-2.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-hydrazine-2", "source_quote": "500 | 60-34-4 | Methyl Hydrazine | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Hydrazine", "title": "Methyl Hydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl hydrazine\n\n**CAS No.:** 60-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P068\n\n**Regulatory categories:** 3,4\n\n> Methyl hydrazine | 60-34-4 | 3,4 | P068 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-34-4", "cercla_rq_lbs": "10", "file": "methyl-hydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-hydrazine", "rcra_waste_number": "P068", "regulatory_categories": "3,4", "source_quote": "Methyl hydrazine | 60-34-4 | 3,4 | P068 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl hydrazine", "title": "Methyl hydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl iodide\n\n**CAS No.:** 74-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U138\n\n**Regulatory categories:** 3,4\n\n> Methyl iodide | 74-88-4 | 3,4 | U138 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-88-4", "cercla_rq_lbs": "100", "file": "methyl-iodide.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-iodide", "rcra_waste_number": "U138", "regulatory_categories": "3,4", "source_quote": "Methyl iodide | 74-88-4 | 3,4 | U138 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl iodide", "title": "Methyl iodide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl isobutyl ketone\n\n**CAS No.:** 108-10-1\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U161\n\n**Regulatory categories:** 3,4\n\n> Methyl isobutyl ketone | 108-10-1 | 3,4 | U161 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-10-1", "cercla_rq_lbs": "5000", "file": "methyl-isobutyl-ketone.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-isobutyl-ketone", "rcra_waste_number": "U161", "regulatory_categories": "3,4", "source_quote": "Methyl isobutyl ketone | 108-10-1 | 3,4 | U161 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl isobutyl ketone", "title": "Methyl isobutyl ketone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Isocyanate\n\n**CAS No.:** 624-83-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 500 | 624-83-9 | Methyl Isocyanate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "624-83-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "methyl-isocyanate-2.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-isocyanate-2", "source_quote": "10 | 500 | 624-83-9 | Methyl Isocyanate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Isocyanate", "title": "Methyl Isocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl isocyanate\n\n**CAS No.:** 624-83-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P064\n\n**Regulatory categories:** 3,4\n\n> Methyl isocyanate | 624-83-9 | 3,4 | P064 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "624-83-9", "cercla_rq_lbs": "10", "file": "methyl-isocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-isocyanate", "rcra_waste_number": "P064", "regulatory_categories": "3,4", "source_quote": "Methyl isocyanate | 624-83-9 | 3,4 | P064 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl isocyanate", "title": "Methyl isocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Isothiocyanate\n\n**CAS No.:** 556-61-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 556-61-6 | Methyl Isothiocyanate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "556-61-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "methyl-isothiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-isothiocyanate", "source_quote": "500 | 556-61-6 | Methyl Isothiocyanate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Isothiocyanate", "title": "Methyl Isothiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Mercaptan\n\n**CAS No.:** 74-93-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 74-93-1 | Methyl Mercaptan | f | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "74-93-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "methyl-mercaptan-2.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-mercaptan-2", "source_quote": "500 | 74-93-1 | Methyl Mercaptan | f | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Mercaptan", "title": "Methyl Mercaptan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl mercaptan\n\n**CAS No.:** 74-93-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U153\n\n**Regulatory categories:** 1,4\n\n> Methyl mercaptan | 74-93-1 | 1,4 | U153 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-93-1", "cercla_rq_lbs": "100", "file": "methyl-mercaptan.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-mercaptan", "rcra_waste_number": "U153", "regulatory_categories": "1,4", "source_quote": "Methyl mercaptan | 74-93-1 | 1,4 | U153 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl mercaptan", "title": "Methyl mercaptan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl methacrylate\n\n**CAS No.:** 80-62-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U162\n\n**Regulatory categories:** 1,3,4\n\n> Methyl methacrylate | 80-62-6 | 1,3,4 | U162 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "80-62-6", "cercla_rq_lbs": "1000", "file": "methyl-methacrylate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-methacrylate", "rcra_waste_number": "U162", "regulatory_categories": "1,3,4", "source_quote": "Methyl methacrylate | 80-62-6 | 1,3,4 | U162 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl methacrylate", "title": "Methyl methacrylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl parathion\n\n**CAS No.:** 298-00-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P071\n\n**Regulatory categories:** 1,4\n\n> Methyl parathion | 298-00-0 | 1,4 | P071 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-00-0", "cercla_rq_lbs": "100", "file": "methyl-parathion.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-parathion", "rcra_waste_number": "P071", "regulatory_categories": "1,4", "source_quote": "Methyl parathion | 298-00-0 | 1,4 | P071 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl parathion", "title": "Methyl parathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Phenkapton\n\n**CAS No.:** 3735-23-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 3735-23-7 | Methyl Phenkapton |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3735-23-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "methyl-phenkapton.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-phenkapton", "source_quote": "500 | 3735-23-7 | Methyl Phenkapton |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Phenkapton", "title": "Methyl Phenkapton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Phosphonic Dichloride\n\n**CAS No.:** 676-97-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 676-97-1 | Methyl Phosphonic Dichloride | a | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "676-97-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "methyl-phosphonic-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-phosphonic-dichloride", "source_quote": "676-97-1 | Methyl Phosphonic Dichloride | a | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Phosphonic Dichloride", "title": "Methyl Phosphonic Dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl tert-butyl ether\n\n**CAS No.:** 1634-04-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> Methyl tert-butyl ether | 1634-04-4 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1634-04-4", "cercla_rq_lbs": "1000", "file": "methyl-tert-butyl-ether.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-tert-butyl-ether", "regulatory_categories": "3", "source_quote": "Methyl tert-butyl ether | 1634-04-4 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methyl tert-butyl ether", "title": "Methyl tert-butyl ether \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Thiocyanate\n\n**CAS No.:** 556-64-9\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 10,000\n\n> 556-64-9 | Methyl Thiocyanate | | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "556-64-9", "epcra_rq_lbs": "10,000", "epcra_tpq_lbs": "10,000", "file": "methyl-thiocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-thiocyanate", "source_quote": "556-64-9 | Methyl Thiocyanate | | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Thiocyanate", "title": "Methyl Thiocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyl Vinyl Ketone\n\n**CAS No.:** 78-94-4\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 10,000 | 78-94-4 | Methyl Vinyl Ketone |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-94-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "methyl-vinyl-ketone.md", "generated": true, "harvested": "2026-08-05", "id": "methyl-vinyl-ketone", "source_quote": "10,000 | 78-94-4 | Methyl Vinyl Ketone |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyl Vinyl Ketone", "title": "Methyl Vinyl Ketone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methylene bromide\n\n**CAS No.:** 74-95-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U068\n\n**Regulatory categories:** 4\n\n> Methylene bromide | 74-95-3 | 4 | U068 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-95-3", "cercla_rq_lbs": "1000", "file": "methylene-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "methylene-bromide", "rcra_waste_number": "U068", "regulatory_categories": "4", "source_quote": "Methylene bromide | 74-95-3 | 4 | U068 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methylene bromide", "title": "Methylene bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methylene chloride\n\n**CAS No.:** 75-09-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U080\n\n**Regulatory categories:** 2,3,4\n\n> Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-09-2", "cercla_rq_lbs": "1000", "file": "methylene-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "methylene-chloride", "rcra_waste_number": "U080", "regulatory_categories": "2,3,4", "source_quote": "Methylene chloride | 75-09-2 | 2,3,4 | U080 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methylene chloride", "title": "Methylene chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methylene diphenyl diisocyanate\n\n**CAS No.:** 101-68-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 3\n\n> Methylene diphenyl diisocyanate | 101-68-8 | 3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "101-68-8", "cercla_rq_lbs": "5000", "file": "methylene-diphenyl-diisocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "methylene-diphenyl-diisocyanate", "regulatory_categories": "3", "source_quote": "Methylene diphenyl diisocyanate | 101-68-8 | 3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methylene diphenyl diisocyanate", "title": "Methylene diphenyl diisocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methylmercuric Dicyanamide\n\n**CAS No.:** 502-39-6\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 502-39-6 | Methylmercuric Dicyanamide | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "502-39-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "methylmercuric-dicyanamide.md", "generated": true, "harvested": "2026-08-05", "id": "methylmercuric-dicyanamide", "source_quote": "502-39-6 | Methylmercuric Dicyanamide | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methylmercuric Dicyanamide", "title": "Methylmercuric Dicyanamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methylthiouracil\n\n**CAS No.:** 56-04-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U164\n\n**Regulatory categories:** 4\n\n> Methylthiouracil | 56-04-2 | 4 | U164 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-04-2", "cercla_rq_lbs": "10", "file": "methylthiouracil.md", "generated": true, "harvested": "2026-08-05", "id": "methylthiouracil", "rcra_waste_number": "U164", "regulatory_categories": "4", "source_quote": "Methylthiouracil | 56-04-2 | 4 | U164 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Methylthiouracil", "title": "Methylthiouracil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Methyltrichlorosilane\n\n**CAS No.:** 75-79-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 75-79-6 | Methyltrichlorosilane |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-79-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "methyltrichlorosilane.md", "generated": true, "harvested": "2026-08-05", "id": "methyltrichlorosilane", "source_quote": "500/10,000 | 75-79-6 | Methyltrichlorosilane |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Methyltrichlorosilane", "title": "Methyltrichlorosilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Metolcarb\n\n**CAS No.:** 1129-41-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1129-41-5 | Metolcarb | | 1,000 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1129-41-5", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "100/10,000", "file": "metolcarb-2.md", "generated": true, "harvested": "2026-08-05", "id": "metolcarb-2", "source_quote": "1129-41-5 | Metolcarb | | 1,000 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Metolcarb", "title": "Metolcarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Metolcarb\n\n**CAS No.:** 1129-41-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P190\n\n**Regulatory categories:** 4\n\n> Metolcarb | 1129-41-5 | 4 | P190 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1129-41-5", "cercla_rq_lbs": "1000", "file": "metolcarb.md", "generated": true, "harvested": "2026-08-05", "id": "metolcarb", "rcra_waste_number": "P190", "regulatory_categories": "4", "source_quote": "Metolcarb | 1129-41-5 | 4 | P190 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Metolcarb", "title": "Metolcarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mevinphos\n\n**CAS No.:** 7786-34-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 7786-34-7 | Mevinphos | | 10 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7786-34-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "mevinphos-2.md", "generated": true, "harvested": "2026-08-05", "id": "mevinphos-2", "source_quote": "7786-34-7 | Mevinphos | | 10 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mevinphos", "title": "Mevinphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mevinphos\n\n**CAS No.:** 7786-34-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Mevinphos | 7786-34-7 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7786-34-7", "cercla_rq_lbs": "10", "file": "mevinphos.md", "generated": true, "harvested": "2026-08-05", "id": "mevinphos", "regulatory_categories": "1", "source_quote": "Mevinphos | 7786-34-7 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mevinphos", "title": "Mevinphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mexacarbate\n\n**CAS No.:** 315-18-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 315-18-4 | Mexacarbate | d | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "315-18-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "mexacarbate-2.md", "generated": true, "harvested": "2026-08-05", "id": "mexacarbate-2", "source_quote": "315-18-4 | Mexacarbate | d | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mexacarbate", "title": "Mexacarbate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mexacarbate\n\n**CAS No.:** 315-18-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P128\n\n**Regulatory categories:** 1,4\n\n> Mexacarbate | 315-18-4 | 1,4 | P128 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "315-18-4", "cercla_rq_lbs": "1000", "file": "mexacarbate.md", "generated": true, "harvested": "2026-08-05", "id": "mexacarbate", "rcra_waste_number": "P128", "regulatory_categories": "1,4", "source_quote": "Mexacarbate | 315-18-4 | 1,4 | P128 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mexacarbate", "title": "Mexacarbate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mitomycin C\n\n**CAS No.:** 50-07-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 50-07-7 | Mitomycin C | | 10 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "50-07-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500/10,000", "file": "mitomycin-c-2.md", "generated": true, "harvested": "2026-08-05", "id": "mitomycin-c-2", "source_quote": "50-07-7 | Mitomycin C | | 10 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mitomycin C", "title": "Mitomycin C \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mitomycin C\n\n**CAS No.:** 50-07-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U010\n\n**Regulatory categories:** 4\n\n> Mitomycin C | 50-07-7 | 4 | U010 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-07-7", "cercla_rq_lbs": "10", "file": "mitomycin-c.md", "generated": true, "harvested": "2026-08-05", "id": "mitomycin-c", "rcra_waste_number": "U010", "regulatory_categories": "4", "source_quote": "Mitomycin C | 50-07-7 | 4 | U010 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Mitomycin C", "title": "Mitomycin C \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** MNNG\n\n**CAS No.:** 70-25-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U163\n\n**Regulatory categories:** 4\n\n> MNNG | 70-25-7 | 4 | U163 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "70-25-7", "cercla_rq_lbs": "10", "file": "mnng.md", "generated": true, "harvested": "2026-08-05", "id": "mnng", "rcra_waste_number": "U163", "regulatory_categories": "4", "source_quote": "MNNG | 70-25-7 | 4 | U163 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "MNNG", "title": "MNNG \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Monocrotophos\n\n**CAS No.:** 6923-22-4\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 6923-22-4 | Monocrotophos | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "6923-22-4", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "monocrotophos.md", "generated": true, "harvested": "2026-08-05", "id": "monocrotophos", "source_quote": "6923-22-4 | Monocrotophos | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Monocrotophos", "title": "Monocrotophos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Monoethylamine\n\n**CAS No.:** 75-04-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Monoethylamine | 75-04-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-04-7", "cercla_rq_lbs": "100", "file": "monoethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "monoethylamine", "regulatory_categories": "1", "source_quote": "Monoethylamine | 75-04-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Monoethylamine", "title": "Monoethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Monomethylamine\n\n**CAS No.:** 74-89-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Monomethylamine | 74-89-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-89-5", "cercla_rq_lbs": "100", "file": "monomethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "monomethylamine", "regulatory_categories": "1", "source_quote": "Monomethylamine | 74-89-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Monomethylamine", "title": "Monomethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Muscimol\n\n**CAS No.:** 2763-96-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2763-96-4 | Muscimol | | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2763-96-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "muscimol.md", "generated": true, "harvested": "2026-08-05", "id": "muscimol", "source_quote": "2763-96-4 | Muscimol | | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Muscimol", "title": "Muscimol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Mustard Gas\n\n**CAS No.:** 505-60-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 505-60-2 | Mustard Gas | d | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "505-60-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "mustard-gas.md", "generated": true, "harvested": "2026-08-05", "id": "mustard-gas", "source_quote": "505-60-2 | Mustard Gas | d | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Mustard Gas", "title": "Mustard Gas \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** n-Butyl alcohol\n\n**CAS No.:** 71-36-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U031\n\n**Regulatory categories:** 4\n\n> n-Butyl alcohol | 71-36-3 | 4 | U031 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "71-36-3", "cercla_rq_lbs": "5000", "file": "n-butyl-alcohol.md", "generated": true, "harvested": "2026-08-05", "id": "n-butyl-alcohol", "rcra_waste_number": "U031", "regulatory_categories": "4", "source_quote": "n-Butyl alcohol | 71-36-3 | 4 | U031 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "n-Butyl alcohol", "title": "n-Butyl alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** n-Butyl phthalate\n\n**CAS No.:** 84-74-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U069\n\n**Regulatory categories:** 1,2,3,4\n\n> n-Butyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "84-74-2", "cercla_rq_lbs": "10", "file": "n-butyl-phthalate.md", "generated": true, "harvested": "2026-08-05", "id": "n-butyl-phthalate", "rcra_waste_number": "U069", "regulatory_categories": "1,2,3,4", "source_quote": "n-Butyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "n-Butyl phthalate", "title": "n-Butyl phthalate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N,N-Diethylaniline\n\n**CAS No.:** 91-66-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> N,N-Diethylaniline | 91-66-7 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-66-7", "cercla_rq_lbs": "1000", "file": "n-n-diethylaniline.md", "generated": true, "harvested": "2026-08-05", "id": "n-n-diethylaniline", "regulatory_categories": "3", "source_quote": "N,N-Diethylaniline | 91-66-7 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N,N-Diethylaniline", "title": "N,N-Diethylaniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N,N\u2032-Diethylhydrazine\n\n**CAS No.:** 1615-80-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U086\n\n**Regulatory categories:** 4\n\n> N,N\u2032-Diethylhydrazine | 1615-80-1 | 4 | U086 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1615-80-1", "cercla_rq_lbs": "10", "file": "n-n-diethylhydrazine.md", "generated": true, "harvested": "2026-08-05", "id": "n-n-diethylhydrazine", "rcra_waste_number": "U086", "regulatory_categories": "4", "source_quote": "N,N\u2032-Diethylhydrazine | 1615-80-1 | 4 | U086 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N,N\u2032-Diethylhydrazine", "title": "N,N\u2032-Diethylhydrazine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N,N-Dimethylaniline\n\n**CAS No.:** 121-69-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> N,N-Dimethylaniline | 121-69-7 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-69-7", "cercla_rq_lbs": "100", "file": "n-n-dimethylaniline.md", "generated": true, "harvested": "2026-08-05", "id": "n-n-dimethylaniline", "regulatory_categories": "3", "source_quote": "N,N-Dimethylaniline | 121-69-7 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N,N-Dimethylaniline", "title": "N,N-Dimethylaniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitroso-N-ethylurea\n\n**CAS No.:** 759-73-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U176\n\n**Regulatory categories:** 4\n\n> N-Nitroso-N-ethylurea | 759-73-9 | 4 | U176 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "759-73-9", "cercla_rq_lbs": "1", "file": "n-nitroso-n-ethylurea.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitroso-n-ethylurea", "rcra_waste_number": "U176", "regulatory_categories": "4", "source_quote": "N-Nitroso-N-ethylurea | 759-73-9 | 4 | U176 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitroso-N-ethylurea", "title": "N-Nitroso-N-ethylurea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitroso-N-methylurea\n\n**CAS No.:** 684-93-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U177\n\n**Regulatory categories:** 3,4\n\n> N-Nitroso-N-methylurea | 684-93-5 | 3,4 | U177 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "684-93-5", "cercla_rq_lbs": "1", "file": "n-nitroso-n-methylurea.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitroso-n-methylurea", "rcra_waste_number": "U177", "regulatory_categories": "3,4", "source_quote": "N-Nitroso-N-methylurea | 684-93-5 | 3,4 | U177 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitroso-N-methylurea", "title": "N-Nitroso-N-methylurea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitroso-N-methylurethane\n\n**CAS No.:** 615-53-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U178\n\n**Regulatory categories:** 4\n\n> N-Nitroso-N-methylurethane | 615-53-2 | 4 | U178 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "615-53-2", "cercla_rq_lbs": "1", "file": "n-nitroso-n-methylurethane.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitroso-n-methylurethane", "rcra_waste_number": "U178", "regulatory_categories": "4", "source_quote": "N-Nitroso-N-methylurethane | 615-53-2 | 4 | U178 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitroso-N-methylurethane", "title": "N-Nitroso-N-methylurethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosodi-n-butylamine\n\n**CAS No.:** 924-16-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U172\n\n**Regulatory categories:** 4\n\n> N-Nitrosodi-n-butylamine | 924-16-3 | 4 | U172 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "924-16-3", "cercla_rq_lbs": "10", "file": "n-nitrosodi-n-butylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosodi-n-butylamine", "rcra_waste_number": "U172", "regulatory_categories": "4", "source_quote": "N-Nitrosodi-n-butylamine | 924-16-3 | 4 | U172 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosodi-n-butylamine", "title": "N-Nitrosodi-n-butylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosodiethanolamine\n\n**CAS No.:** 1116-54-7\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U173\n\n**Regulatory categories:** 4\n\n> N-Nitrosodiethanolamine | 1116-54-7 | 4 | U173 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1116-54-7", "cercla_rq_lbs": "1", "file": "n-nitrosodiethanolamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosodiethanolamine", "rcra_waste_number": "U173", "regulatory_categories": "4", "source_quote": "N-Nitrosodiethanolamine | 1116-54-7 | 4 | U173 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosodiethanolamine", "title": "N-Nitrosodiethanolamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosodiethylamine\n\n**CAS No.:** 55-18-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U174\n\n**Regulatory categories:** 4\n\n> N-Nitrosodiethylamine | 55-18-5 | 4 | U174 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-18-5", "cercla_rq_lbs": "1", "file": "n-nitrosodiethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosodiethylamine", "rcra_waste_number": "U174", "regulatory_categories": "4", "source_quote": "N-Nitrosodiethylamine | 55-18-5 | 4 | U174 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosodiethylamine", "title": "N-Nitrosodiethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosodimethylamine\n\n**CAS No.:** 62-75-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P082\n\n**Regulatory categories:** 2,3,4\n\n> N-Nitrosodimethylamine | 62-75-9 | 2,3,4 | P082 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-75-9", "cercla_rq_lbs": "10", "file": "n-nitrosodimethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosodimethylamine", "rcra_waste_number": "P082", "regulatory_categories": "2,3,4", "source_quote": "N-Nitrosodimethylamine | 62-75-9 | 2,3,4 | P082 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosodimethylamine", "title": "N-Nitrosodimethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosodiphenylamine\n\n**CAS No.:** 86-30-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> N-Nitrosodiphenylamine | 86-30-6 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "86-30-6", "cercla_rq_lbs": "100", "file": "n-nitrosodiphenylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosodiphenylamine", "regulatory_categories": "2", "source_quote": "N-Nitrosodiphenylamine | 86-30-6 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosodiphenylamine", "title": "N-Nitrosodiphenylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosomethylvinylamine\n\n**CAS No.:** 4549-40-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P084\n\n**Regulatory categories:** 4\n\n> N-Nitrosomethylvinylamine | 4549-40-0 | 4 | P084 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "4549-40-0", "cercla_rq_lbs": "10", "file": "n-nitrosomethylvinylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosomethylvinylamine", "rcra_waste_number": "P084", "regulatory_categories": "4", "source_quote": "N-Nitrosomethylvinylamine | 4549-40-0 | 4 | P084 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosomethylvinylamine", "title": "N-Nitrosomethylvinylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosomorpholine\n\n**CAS No.:** 59-89-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 3\n\n> N-Nitrosomorpholine | 59-89-2 | 3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "59-89-2", "cercla_rq_lbs": "1", "file": "n-nitrosomorpholine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosomorpholine", "regulatory_categories": "3", "source_quote": "N-Nitrosomorpholine | 59-89-2 | 3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosomorpholine", "title": "N-Nitrosomorpholine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosopiperidine\n\n**CAS No.:** 100-75-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U179\n\n**Regulatory categories:** 4\n\n> N-Nitrosopiperidine | 100-75-4 | 4 | U179 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-75-4", "cercla_rq_lbs": "10", "file": "n-nitrosopiperidine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosopiperidine", "rcra_waste_number": "U179", "regulatory_categories": "4", "source_quote": "N-Nitrosopiperidine | 100-75-4 | 4 | U179 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosopiperidine", "title": "N-Nitrosopiperidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** N-Nitrosopyrrolidine\n\n**CAS No.:** 930-55-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U180\n\n**Regulatory categories:** 4\n\n> N-Nitrosopyrrolidine | 930-55-2 | 4 | U180 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "930-55-2", "cercla_rq_lbs": "1", "file": "n-nitrosopyrrolidine.md", "generated": true, "harvested": "2026-08-05", "id": "n-nitrosopyrrolidine", "rcra_waste_number": "U180", "regulatory_categories": "4", "source_quote": "N-Nitrosopyrrolidine | 930-55-2 | 4 | U180 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "N-Nitrosopyrrolidine", "title": "N-Nitrosopyrrolidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** n-Propyl bromide (nPB)\n\n**CAS No.:** 106-94-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 3\n\n> n-Propyl bromide (nPB) | 106-94-5 | 3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-94-5", "cercla_rq_lbs": "1", "file": "n-propyl-bromide-npb.md", "generated": true, "harvested": "2026-08-05", "id": "n-propyl-bromide-npb", "regulatory_categories": "3", "source_quote": "n-Propyl bromide (nPB) | 106-94-5 | 3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "n-Propyl bromide (nPB)", "title": "n-Propyl bromide (nPB) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** n-Propylamine\n\n**CAS No.:** 107-10-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U194\n\n**Regulatory categories:** 4\n\n> n-Propylamine | 107-10-8 | 4 | U194 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-10-8", "cercla_rq_lbs": "5000", "file": "n-propylamine.md", "generated": true, "harvested": "2026-08-05", "id": "n-propylamine", "rcra_waste_number": "U194", "regulatory_categories": "4", "source_quote": "n-Propylamine | 107-10-8 | 4 | U194 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "n-Propylamine", "title": "n-Propylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Naled\n\n**CAS No.:** 300-76-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Naled | 300-76-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "300-76-5", "cercla_rq_lbs": "10", "file": "naled.md", "generated": true, "harvested": "2026-08-05", "id": "naled", "regulatory_categories": "1", "source_quote": "Naled | 300-76-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Naled", "title": "Naled \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Naphthalenamine, N,N\u2032-bis(2-chloroethyl)-\n\n**CAS No.:** 494-03-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U026\n\n**Regulatory categories:** 4\n\n> Naphthalenamine, N,N\u2032-bis(2-chloroethyl)- | 494-03-1 | 4 | U026 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "494-03-1", "cercla_rq_lbs": "100", "file": "naphthalenamine-n-n-bis-2-chloroethyl.md", "generated": true, "harvested": "2026-08-05", "id": "naphthalenamine-n-n-bis-2-chloroethyl", "rcra_waste_number": "U026", "regulatory_categories": "4", "source_quote": "Naphthalenamine, N,N\u2032-bis(2-chloroethyl)- | 494-03-1 | 4 | U026 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Naphthalenamine, N,N\u2032-bis(2-chloroethyl)-", "title": "Naphthalenamine, N,N\u2032-bis(2-chloroethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Naphthalene, 2-chloro-\n\n**CAS No.:** 91-58-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U047\n\n**Regulatory categories:** 2,4\n\n> Naphthalene, 2-chloro- | 91-58-7 | 2,4 | U047 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-58-7", "cercla_rq_lbs": "5000", "file": "naphthalene-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "naphthalene-2-chloro", "rcra_waste_number": "U047", "regulatory_categories": "2,4", "source_quote": "Naphthalene, 2-chloro- | 91-58-7 | 2,4 | U047 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Naphthalene, 2-chloro-", "title": "Naphthalene, 2-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Naphthalene\n\n**CAS No.:** 91-20-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U165\n\n**Regulatory categories:** 1,2,3,4\n\n> Naphthalene | 91-20-3 | 1,2,3,4 | U165 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-20-3", "cercla_rq_lbs": "100", "file": "naphthalene.md", "generated": true, "harvested": "2026-08-05", "id": "naphthalene", "rcra_waste_number": "U165", "regulatory_categories": "1,2,3,4", "source_quote": "Naphthalene | 91-20-3 | 1,2,3,4 | U165 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Naphthalene", "title": "Naphthalene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Naphthenic acid\n\n**CAS No.:** 1338-24-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Naphthenic acid | 1338-24-5 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1338-24-5", "cercla_rq_lbs": "100", "file": "naphthenic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "naphthenic-acid", "regulatory_categories": "1", "source_quote": "Naphthenic acid | 1338-24-5 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Naphthenic acid", "title": "Naphthenic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel ammonium sulfate\n\n**CAS No.:** 15699-18-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Nickel ammonium sulfate | 15699-18-0 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "15699-18-0", "cercla_rq_lbs": "100", "file": "nickel-ammonium-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-ammonium-sulfate", "regulatory_categories": "1", "source_quote": "Nickel ammonium sulfate | 15699-18-0 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel ammonium sulfate", "title": "Nickel ammonium sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel carbonyl Ni(CO)4, (T-4)-\n\n**CAS No.:** 13463-39-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P073\n\n**Regulatory categories:** 4\n\n> Nickel carbonyl Ni(CO)4, (T-4)- | 13463-39-3 | 4 | P073 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13463-39-3", "cercla_rq_lbs": "10", "file": "nickel-carbonyl-ni-co-4-t-4.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-carbonyl-ni-co-4-t-4", "rcra_waste_number": "P073", "regulatory_categories": "4", "source_quote": "Nickel carbonyl Ni(CO)4, (T-4)- | 13463-39-3 | 4 | P073 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel carbonyl Ni(CO)4, (T-4)-", "title": "Nickel carbonyl Ni(CO)4, (T-4)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel Carbonyl\n\n**CAS No.:** 13463-39-3\n\n**EPCRA TPQ (lbs):** 1\n\n**EPCRA RQ (lbs):** 10\n\n> 13463-39-3 | Nickel Carbonyl | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13463-39-3", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1", "file": "nickel-carbonyl.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-carbonyl", "source_quote": "13463-39-3 | Nickel Carbonyl | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nickel Carbonyl", "title": "Nickel Carbonyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "unverified_fields": "epcra_tpq_lbs", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel cyanide Ni(CN)2\n\n**CAS No.:** 557-19-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P074\n\n**Regulatory categories:** 4\n\n> Nickel cyanide Ni(CN)2 | 557-19-7 | 4 | P074 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "557-19-7", "cercla_rq_lbs": "10", "file": "nickel-cyanide-ni-cn-2.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-cyanide-ni-cn-2", "rcra_waste_number": "P074", "regulatory_categories": "4", "source_quote": "Nickel cyanide Ni(CN)2 | 557-19-7 | 4 | P074 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel cyanide Ni(CN)2", "title": "Nickel cyanide Ni(CN)2 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel hydroxide\n\n**CAS No.:** 12054-48-7\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Nickel hydroxide | 12054-48-7 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12054-48-7", "cercla_rq_lbs": "10", "file": "nickel-hydroxide.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-hydroxide", "regulatory_categories": "1", "source_quote": "Nickel hydroxide | 12054-48-7 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel hydroxide", "title": "Nickel hydroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel III\n\n**CAS No.:** 7440-02-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> Nickel III | 7440-02-0 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-02-0", "cercla_rq_lbs": "100", "file": "nickel-iii.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-iii", "regulatory_categories": "2", "source_quote": "Nickel III | 7440-02-0 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel III", "title": "Nickel III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel nitrate\n\n**CAS No.:** 14216-75-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Nickel nitrate | 14216-75-2 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "14216-75-2", "cercla_rq_lbs": "100", "file": "nickel-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-nitrate", "regulatory_categories": "1", "source_quote": "Nickel nitrate | 14216-75-2 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel nitrate", "title": "Nickel nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nickel sulfate\n\n**CAS No.:** 7786-81-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Nickel sulfate | 7786-81-4 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7786-81-4", "cercla_rq_lbs": "100", "file": "nickel-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "nickel-sulfate", "regulatory_categories": "1", "source_quote": "Nickel sulfate | 7786-81-4 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nickel sulfate", "title": "Nickel sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nicotine, & salts\n\n**CAS No.:** 54-11-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P075\n\n**Regulatory categories:** 4\n\n> Nicotine, & salts | 54-11-5 | 4 | P075 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "54-11-5", "cercla_rq_lbs": "100", "file": "nicotine-salts.md", "generated": true, "harvested": "2026-08-05", "id": "nicotine-salts", "rcra_waste_number": "P075", "regulatory_categories": "4", "source_quote": "Nicotine, & salts | 54-11-5 | 4 | P075 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nicotine, & salts", "title": "Nicotine, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nicotine Sulfate\n\n**CAS No.:** 65-30-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 65-30-5 | Nicotine Sulfate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "65-30-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "nicotine-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "nicotine-sulfate", "source_quote": "100 | 65-30-5 | Nicotine Sulfate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nicotine Sulfate", "title": "Nicotine Sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nicotine\n\n**CAS No.:** 54-11-5\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 54-11-5 | Nicotine | b | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "54-11-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "nicotine.md", "generated": true, "harvested": "2026-08-05", "id": "nicotine", "source_quote": "54-11-5 | Nicotine | b | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nicotine", "title": "Nicotine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitric Acid\n\n**CAS No.:** 7697-37-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 7697-37-2 | Nitric Acid | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7697-37-2", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "nitric-acid-2.md", "generated": true, "harvested": "2026-08-05", "id": "nitric-acid-2", "source_quote": "7697-37-2 | Nitric Acid | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitric Acid", "title": "Nitric Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitric acid, thallium (1 +) salt\n\n**CAS No.:** 10102-45-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U217\n\n**Regulatory categories:** 4\n\n> Nitric acid, thallium (1 +) salt | 10102-45-1 | 4 | U217 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10102-45-1", "cercla_rq_lbs": "100", "file": "nitric-acid-thallium-1-salt.md", "generated": true, "harvested": "2026-08-05", "id": "nitric-acid-thallium-1-salt", "rcra_waste_number": "U217", "regulatory_categories": "4", "source_quote": "Nitric acid, thallium (1 +) salt | 10102-45-1 | 4 | U217 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitric acid, thallium (1 +) salt", "title": "Nitric acid, thallium (1 +) salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitric acid\n\n**CAS No.:** 7697-37-2\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Nitric acid | 7697-37-2 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7697-37-2", "cercla_rq_lbs": "1000", "file": "nitric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "nitric-acid", "regulatory_categories": "1", "source_quote": "Nitric acid | 7697-37-2 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitric acid", "title": "Nitric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitric Oxide\n\n**CAS No.:** 10102-43-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 10102-43-9 | Nitric Oxide | b | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10102-43-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "nitric-oxide-2.md", "generated": true, "harvested": "2026-08-05", "id": "nitric-oxide-2", "source_quote": "10102-43-9 | Nitric Oxide | b | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitric Oxide", "title": "Nitric Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitric oxide\n\n**CAS No.:** 10102-43-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P076\n\n**Regulatory categories:** 4\n\n> Nitric oxide | 10102-43-9 | 4 | P076 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10102-43-9", "cercla_rq_lbs": "10", "file": "nitric-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "nitric-oxide", "rcra_waste_number": "P076", "regulatory_categories": "4", "source_quote": "Nitric oxide | 10102-43-9 | 4 | P076 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitric oxide", "title": "Nitric oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrobenzene\n\n**CAS No.:** 98-95-3\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 98-95-3 | Nitrobenzene | f | 1,000 | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-95-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "10,000", "file": "nitrobenzene-2.md", "generated": true, "harvested": "2026-08-05", "id": "nitrobenzene-2", "source_quote": "98-95-3 | Nitrobenzene | f | 1,000 | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitrobenzene", "title": "Nitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrobenzene\n\n**CAS No.:** 98-95-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U169\n\n**Regulatory categories:** 1,2,3,4\n\n> Nitrobenzene | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "98-95-3", "cercla_rq_lbs": "1000", "file": "nitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "nitrobenzene", "rcra_waste_number": "U169", "regulatory_categories": "1,2,3,4", "source_quote": "Nitrobenzene | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitrobenzene", "title": "Nitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrocyclohexane\n\n**CAS No.:** 1122-60-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 1122-60-7 | Nitrocyclohexane | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1122-60-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "nitrocyclohexane.md", "generated": true, "harvested": "2026-08-05", "id": "nitrocyclohexane", "source_quote": "1122-60-7 | Nitrocyclohexane | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitrocyclohexane", "title": "Nitrocyclohexane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrogen Dioxide\n\n**CAS No.:** 10102-44-0\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 10102-44-0 | Nitrogen Dioxide | | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10102-44-0", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "nitrogen-dioxide.md", "generated": true, "harvested": "2026-08-05", "id": "nitrogen-dioxide", "source_quote": "10102-44-0 | Nitrogen Dioxide | | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitrogen Dioxide", "title": "Nitrogen Dioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrogen oxide NO\n\n**CAS No.:** 10102-43-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P076\n\n**Regulatory categories:** 4\n\n> Nitrogen oxide NO | 10102-43-9 | 4 | P076 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10102-43-9", "cercla_rq_lbs": "10", "file": "nitrogen-oxide-no.md", "generated": true, "harvested": "2026-08-05", "id": "nitrogen-oxide-no", "rcra_waste_number": "P076", "regulatory_categories": "4", "source_quote": "Nitrogen oxide NO | 10102-43-9 | 4 | P076 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitrogen oxide NO", "title": "Nitrogen oxide NO \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitroglycerine\n\n**CAS No.:** 55-63-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P081\n\n**Regulatory categories:** 4\n\n> Nitroglycerine | 55-63-0 | 4 | P081 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-63-0", "cercla_rq_lbs": "10", "file": "nitroglycerine.md", "generated": true, "harvested": "2026-08-05", "id": "nitroglycerine", "rcra_waste_number": "P081", "regulatory_categories": "4", "source_quote": "Nitroglycerine | 55-63-0 | 4 | P081 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitroglycerine", "title": "Nitroglycerine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrophenol (mixed)\n\n**CAS No.:** 25154-55-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Nitrophenol (mixed) | 25154-55-6 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25154-55-6", "cercla_rq_lbs": "100", "file": "nitrophenol-mixed.md", "generated": true, "harvested": "2026-08-05", "id": "nitrophenol-mixed", "regulatory_categories": "1", "source_quote": "Nitrophenol (mixed) | 25154-55-6 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitrophenol (mixed)", "title": "Nitrophenol (mixed) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrosodimethylamine\n\n**CAS No.:** 62-75-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 100 | 62-75-9 | Nitrosodimethylamine | d | 10 | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62-75-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000", "file": "nitrosodimethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "nitrosodimethylamine", "source_quote": "10 | 100 | 62-75-9 | Nitrosodimethylamine | d | 10 | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Nitrosodimethylamine", "title": "Nitrosodimethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Nitrotoluene\n\n**CAS No.:** 1321-12-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Nitrotoluene | 1321-12-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1321-12-6", "cercla_rq_lbs": "1000", "file": "nitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "nitrotoluene", "regulatory_categories": "1", "source_quote": "Nitrotoluene | 1321-12-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Nitrotoluene", "title": "Nitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Norbormide\n\n**CAS No.:** 991-42-4\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 991-42-4 | Norbormide | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "991-42-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "norbormide.md", "generated": true, "harvested": "2026-08-05", "id": "norbormide", "source_quote": "991-42-4 | Norbormide | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Norbormide", "title": "Norbormide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Anisidine\n\n**CAS No.:** 90-04-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> o-Anisidine | 90-04-0 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "90-04-0", "cercla_rq_lbs": "100", "file": "o-anisidine.md", "generated": true, "harvested": "2026-08-05", "id": "o-anisidine", "regulatory_categories": "3", "source_quote": "o-Anisidine | 90-04-0 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Anisidine", "title": "o-Anisidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Chlorophenol\n\n**CAS No.:** 95-57-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U048\n\n**Regulatory categories:** 2,4\n\n> o-Chlorophenol | 95-57-8 | 2,4 | U048 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-57-8", "cercla_rq_lbs": "100", "file": "o-chlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "o-chlorophenol", "rcra_waste_number": "U048", "regulatory_categories": "2,4", "source_quote": "o-Chlorophenol | 95-57-8 | 2,4 | U048 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Chlorophenol", "title": "o-Chlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Cresol\n\n**CAS No.:** 95-48-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> o-Cresol | 95-48-7 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-48-7", "cercla_rq_lbs": "100", "file": "o-cresol.md", "generated": true, "harvested": "2026-08-05", "id": "o-cresol", "regulatory_categories": "3", "source_quote": "o-Cresol | 95-48-7 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Cresol", "title": "o-Cresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Dichlorobenzene\n\n**CAS No.:** 95-50-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U070\n\n**Regulatory categories:** 1,2,4\n\n> o-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-50-1", "cercla_rq_lbs": "100", "file": "o-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "o-dichlorobenzene", "rcra_waste_number": "U070", "regulatory_categories": "1,2,4", "source_quote": "o-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Dichlorobenzene", "title": "o-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Dinitrobenzene\n\n**CAS No.:** 528-29-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> o-Dinitrobenzene | 528-29-0 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "528-29-0", "cercla_rq_lbs": "100", "file": "o-dinitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "o-dinitrobenzene", "regulatory_categories": "1", "source_quote": "o-Dinitrobenzene | 528-29-0 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Dinitrobenzene", "title": "o-Dinitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Nitrophenol\n\n**CAS No.:** 88-75-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,2\n\n> o-Nitrophenol | 88-75-5 | 1,2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-75-5", "cercla_rq_lbs": "100", "file": "o-nitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "o-nitrophenol", "regulatory_categories": "1,2", "source_quote": "o-Nitrophenol | 88-75-5 | 1,2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Nitrophenol", "title": "o-Nitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Nitrotoluene\n\n**CAS No.:** 88-72-2\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> o-Nitrotoluene | 88-72-2 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-72-2", "cercla_rq_lbs": "1000", "file": "o-nitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "o-nitrotoluene", "regulatory_categories": "1", "source_quote": "o-Nitrotoluene | 88-72-2 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Nitrotoluene", "title": "o-Nitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** O,O-Diethyl O-pyrazinyl phosphorothioate\n\n**CAS No.:** 297-97-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P040\n\n**Regulatory categories:** 4\n\n> O,O-Diethyl O-pyrazinyl phosphorothioate | 297-97-2 | 4 | P040 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "297-97-2", "cercla_rq_lbs": "100", "file": "o-o-diethyl-o-pyrazinyl-phosphorothioate.md", "generated": true, "harvested": "2026-08-05", "id": "o-o-diethyl-o-pyrazinyl-phosphorothioate", "rcra_waste_number": "P040", "regulatory_categories": "4", "source_quote": "O,O-Diethyl O-pyrazinyl phosphorothioate | 297-97-2 | 4 | P040 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "O,O-Diethyl O-pyrazinyl phosphorothioate", "title": "O,O-Diethyl O-pyrazinyl phosphorothioate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** O,O-Diethyl S-methyl dithiophosphate\n\n**CAS No.:** 3288-58-2\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U087\n\n**Regulatory categories:** 4\n\n> O,O-Diethyl S-methyl dithiophosphate | 3288-58-2 | 4 | U087 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3288-58-2", "cercla_rq_lbs": "5000", "file": "o-o-diethyl-s-methyl-dithiophosphate.md", "generated": true, "harvested": "2026-08-05", "id": "o-o-diethyl-s-methyl-dithiophosphate", "rcra_waste_number": "U087", "regulatory_categories": "4", "source_quote": "O,O-Diethyl S-methyl dithiophosphate | 3288-58-2 | 4 | U087 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "O,O-Diethyl S-methyl dithiophosphate", "title": "O,O-Diethyl S-methyl dithiophosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Toluidine hydrochloride\n\n**CAS No.:** 636-21-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U222\n\n**Regulatory categories:** 4\n\n> o-Toluidine hydrochloride | 636-21-5 | 4 | U222 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "636-21-5", "cercla_rq_lbs": "100", "file": "o-toluidine-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "o-toluidine-hydrochloride", "rcra_waste_number": "U222", "regulatory_categories": "4", "source_quote": "o-Toluidine hydrochloride | 636-21-5 | 4 | U222 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Toluidine hydrochloride", "title": "o-Toluidine hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Toluidine\n\n**CAS No.:** 95-53-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U328\n\n**Regulatory categories:** 3,4\n\n> o-Toluidine | 95-53-4 | 3,4 | U328 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-53-4", "cercla_rq_lbs": "100", "file": "o-toluidine.md", "generated": true, "harvested": "2026-08-05", "id": "o-toluidine", "rcra_waste_number": "U328", "regulatory_categories": "3,4", "source_quote": "o-Toluidine | 95-53-4 | 3,4 | U328 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Toluidine", "title": "o-Toluidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** o-Xylene\n\n**CAS No.:** 95-47-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> o-Xylene | 95-47-6 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-47-6", "cercla_rq_lbs": "1000", "file": "o-xylene.md", "generated": true, "harvested": "2026-08-05", "id": "o-xylene", "regulatory_categories": "3", "source_quote": "o-Xylene | 95-47-6 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "o-Xylene", "title": "o-Xylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Octamethylpyrophosphoramide\n\n**CAS No.:** 152-16-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P085\n\n**Regulatory categories:** 4\n\n> Octamethylpyrophosphoramide | 152-16-9 | 4 | P085 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "152-16-9", "cercla_rq_lbs": "100", "file": "octamethylpyrophosphoramide.md", "generated": true, "harvested": "2026-08-05", "id": "octamethylpyrophosphoramide", "rcra_waste_number": "P085", "regulatory_categories": "4", "source_quote": "Octamethylpyrophosphoramide | 152-16-9 | 4 | P085 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Octamethylpyrophosphoramide", "title": "Octamethylpyrophosphoramide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Osmium oxide OsO4, (T-4)-\n\n**CAS No.:** 20816-12-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P087\n\n**Regulatory categories:** 4\n\n> Osmium oxide OsO4, (T-4)- | 20816-12-0 | 4 | P087 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "20816-12-0", "cercla_rq_lbs": "1000", "file": "osmium-oxide-oso4-t-4.md", "generated": true, "harvested": "2026-08-05", "id": "osmium-oxide-oso4-t-4", "rcra_waste_number": "P087", "regulatory_categories": "4", "source_quote": "Osmium oxide OsO4, (T-4)- | 20816-12-0 | 4 | P087 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Osmium oxide OsO4, (T-4)-", "title": "Osmium oxide OsO4, (T-4)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Osmium tetroxide\n\n**CAS No.:** 20816-12-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P087\n\n**Regulatory categories:** 4\n\n> Osmium tetroxide | 20816-12-0 | 4 | P087 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "20816-12-0", "cercla_rq_lbs": "1000", "file": "osmium-tetroxide.md", "generated": true, "harvested": "2026-08-05", "id": "osmium-tetroxide", "rcra_waste_number": "P087", "regulatory_categories": "4", "source_quote": "Osmium tetroxide | 20816-12-0 | 4 | P087 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Osmium tetroxide", "title": "Osmium tetroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ouabain\n\n**CAS No.:** 630-60-4\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 630-60-4 | Ouabain | b | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "630-60-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "ouabain.md", "generated": true, "harvested": "2026-08-05", "id": "ouabain", "source_quote": "630-60-4 | Ouabain | b | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ouabain", "title": "Ouabain \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxamyl\n\n**CAS No.:** 23135-22-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 23135-22-0 | Oxamyl | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "23135-22-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "oxamyl-2.md", "generated": true, "harvested": "2026-08-05", "id": "oxamyl-2", "source_quote": "23135-22-0 | Oxamyl | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Oxamyl", "title": "Oxamyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxamyl\n\n**CAS No.:** 23135-22-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P194\n\n**Regulatory categories:** 4\n\n> Oxamyl | 23135-22-0 | 4 | P194 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23135-22-0", "cercla_rq_lbs": "100", "file": "oxamyl.md", "generated": true, "harvested": "2026-08-05", "id": "oxamyl", "rcra_waste_number": "P194", "regulatory_categories": "4", "source_quote": "Oxamyl | 23135-22-0 | 4 | P194 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Oxamyl", "title": "Oxamyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxetane, 3,3-Bis(Chloromethyl)-\n\n**CAS No.:** 78-71-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 78-71-7 | Oxetane, 3,3-Bis(Chloromethyl)- | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-71-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "oxetane-3-3-bis-chloromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "oxetane-3-3-bis-chloromethyl", "source_quote": "78-71-7 | Oxetane, 3,3-Bis(Chloromethyl)- | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Oxetane, 3,3-Bis(Chloromethyl)-", "title": "Oxetane, 3,3-Bis(Chloromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxirane, (chloromethyl)-\n\n**CAS No.:** 106-89-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U041\n\n**Regulatory categories:** 1,3,4\n\n> Oxirane, (chloromethyl)- | 106-89-8 | 1,3,4 | U041 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-89-8", "cercla_rq_lbs": "100", "file": "oxirane-chloromethyl.md", "generated": true, "harvested": "2026-08-05", "id": "oxirane-chloromethyl", "rcra_waste_number": "U041", "regulatory_categories": "1,3,4", "source_quote": "Oxirane, (chloromethyl)- | 106-89-8 | 1,3,4 | U041 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Oxirane, (chloromethyl)-", "title": "Oxirane, (chloromethyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxirane\n\n**CAS No.:** 75-21-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U115\n\n**Regulatory categories:** 3,4\n\n> Oxirane | 75-21-8 | 3,4 | U115 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-21-8", "cercla_rq_lbs": "10", "file": "oxirane.md", "generated": true, "harvested": "2026-08-05", "id": "oxirane", "rcra_waste_number": "U115", "regulatory_categories": "3,4", "source_quote": "Oxirane | 75-21-8 | 3,4 | U115 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Oxirane", "title": "Oxirane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxiranecarboxyaldehyde\n\n**CAS No.:** 765-34-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U126\n\n**Regulatory categories:** 4\n\n> Oxiranecarboxyaldehyde | 765-34-4 | 4 | U126 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "765-34-4", "cercla_rq_lbs": "10", "file": "oxiranecarboxyaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "oxiranecarboxyaldehyde", "rcra_waste_number": "U126", "regulatory_categories": "4", "source_quote": "Oxiranecarboxyaldehyde | 765-34-4 | 4 | U126 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Oxiranecarboxyaldehyde", "title": "Oxiranecarboxyaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Oxydisulfoton\n\n**CAS No.:** 2497-07-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 2497-07-6 | Oxydisulfoton |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2497-07-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "oxydisulfoton.md", "generated": true, "harvested": "2026-08-05", "id": "oxydisulfoton", "source_quote": "500 | 2497-07-6 | Oxydisulfoton |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Oxydisulfoton", "title": "Oxydisulfoton \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ozone\n\n**CAS No.:** 10028-15-6\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 10028-15-6 | Ozone | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10028-15-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "ozone.md", "generated": true, "harvested": "2026-08-05", "id": "ozone", "source_quote": "10028-15-6 | Ozone | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Ozone", "title": "Ozone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Chloro-m-cresol\n\n**CAS No.:** 59-50-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U039\n\n**Regulatory categories:** 2,4\n\n> p-Chloro-m-cresol | 59-50-7 | 2,4 | U039 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "59-50-7", "cercla_rq_lbs": "5000", "file": "p-chloro-m-cresol.md", "generated": true, "harvested": "2026-08-05", "id": "p-chloro-m-cresol", "rcra_waste_number": "U039", "regulatory_categories": "2,4", "source_quote": "p-Chloro-m-cresol | 59-50-7 | 2,4 | U039 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Chloro-m-cresol", "title": "p-Chloro-m-cresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Chloroaniline\n\n**CAS No.:** 106-47-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P024\n\n**Regulatory categories:** 4\n\n> p-Chloroaniline | 106-47-8 | 4 | P024 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-47-8", "cercla_rq_lbs": "1000", "file": "p-chloroaniline.md", "generated": true, "harvested": "2026-08-05", "id": "p-chloroaniline", "rcra_waste_number": "P024", "regulatory_categories": "4", "source_quote": "p-Chloroaniline | 106-47-8 | 4 | P024 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Chloroaniline", "title": "p-Chloroaniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Cresol\n\n**CAS No.:** 106-44-5\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> p-Cresol | 106-44-5 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-44-5", "cercla_rq_lbs": "100", "file": "p-cresol.md", "generated": true, "harvested": "2026-08-05", "id": "p-cresol", "regulatory_categories": "3", "source_quote": "p-Cresol | 106-44-5 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Cresol", "title": "p-Cresol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Dichlorobenzene\n\n**CAS No.:** 106-46-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U072\n\n**Regulatory categories:** 1,2,3,4\n\n> p-Dichlorobenzene | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-46-7", "cercla_rq_lbs": "100", "file": "p-dichlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "p-dichlorobenzene", "rcra_waste_number": "U072", "regulatory_categories": "1,2,3,4", "source_quote": "p-Dichlorobenzene | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Dichlorobenzene", "title": "p-Dichlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Dimethylaminoazobenzene\n\n**CAS No.:** 60-11-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U093\n\n**Regulatory categories:** 3,4\n\n> p-Dimethylaminoazobenzene | 60-11-7 | 3,4 | U093 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-11-7", "cercla_rq_lbs": "10", "file": "p-dimethylaminoazobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "p-dimethylaminoazobenzene", "rcra_waste_number": "U093", "regulatory_categories": "3,4", "source_quote": "p-Dimethylaminoazobenzene | 60-11-7 | 3,4 | U093 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Dimethylaminoazobenzene", "title": "p-Dimethylaminoazobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Dinitrobenzene\n\n**CAS No.:** 100-25-4\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> p-Dinitrobenzene | 100-25-4 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-25-4", "cercla_rq_lbs": "100", "file": "p-dinitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "p-dinitrobenzene", "regulatory_categories": "1", "source_quote": "p-Dinitrobenzene | 100-25-4 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Dinitrobenzene", "title": "p-Dinitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Nitroaniline\n\n**CAS No.:** 100-01-6\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** P077\n\n**Regulatory categories:** 4\n\n> p-Nitroaniline | 100-01-6 | 4 | P077 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-01-6", "cercla_rq_lbs": "5000", "file": "p-nitroaniline.md", "generated": true, "harvested": "2026-08-05", "id": "p-nitroaniline", "rcra_waste_number": "P077", "regulatory_categories": "4", "source_quote": "p-Nitroaniline | 100-01-6 | 4 | P077 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Nitroaniline", "title": "p-Nitroaniline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Nitrophenol\n\n**CAS No.:** 100-02-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U170\n\n**Regulatory categories:** 1,2,3,4\n\n> p-Nitrophenol | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-02-7", "cercla_rq_lbs": "100", "file": "p-nitrophenol.md", "generated": true, "harvested": "2026-08-05", "id": "p-nitrophenol", "rcra_waste_number": "U170", "regulatory_categories": "1,2,3,4", "source_quote": "p-Nitrophenol | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Nitrophenol", "title": "p-Nitrophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Nitrotoluene\n\n**CAS No.:** 99-99-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> p-Nitrotoluene | 99-99-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "99-99-0", "cercla_rq_lbs": "1000", "file": "p-nitrotoluene.md", "generated": true, "harvested": "2026-08-05", "id": "p-nitrotoluene", "regulatory_categories": "1", "source_quote": "p-Nitrotoluene | 99-99-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Nitrotoluene", "title": "p-Nitrotoluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Phenylenediamine\n\n**CAS No.:** 106-50-3\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 3\n\n> p-Phenylenediamine | 106-50-3 | 3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-50-3", "cercla_rq_lbs": "5000", "file": "p-phenylenediamine.md", "generated": true, "harvested": "2026-08-05", "id": "p-phenylenediamine", "regulatory_categories": "3", "source_quote": "p-Phenylenediamine | 106-50-3 | 3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Phenylenediamine", "title": "p-Phenylenediamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Toluidine\n\n**CAS No.:** 106-49-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U353\n\n**Regulatory categories:** 4\n\n> p-Toluidine | 106-49-0 | 4 | U353 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-49-0", "cercla_rq_lbs": "100", "file": "p-toluidine.md", "generated": true, "harvested": "2026-08-05", "id": "p-toluidine", "rcra_waste_number": "U353", "regulatory_categories": "4", "source_quote": "p-Toluidine | 106-49-0 | 4 | U353 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Toluidine", "title": "p-Toluidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** p-Xylene\n\n**CAS No.:** 106-42-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> p-Xylene | 106-42-3 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-42-3", "cercla_rq_lbs": "100", "file": "p-xylene.md", "generated": true, "harvested": "2026-08-05", "id": "p-xylene", "regulatory_categories": "3", "source_quote": "p-Xylene | 106-42-3 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "p-Xylene", "title": "p-Xylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Paraformaldehyde\n\n**CAS No.:** 30525-89-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Paraformaldehyde | 30525-89-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "30525-89-4", "cercla_rq_lbs": "1000", "file": "paraformaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "paraformaldehyde", "regulatory_categories": "1", "source_quote": "Paraformaldehyde | 30525-89-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Paraformaldehyde", "title": "Paraformaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Paraldehyde\n\n**CAS No.:** 123-63-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U182\n\n**Regulatory categories:** 4\n\n> Paraldehyde | 123-63-7 | 4 | U182 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-63-7", "cercla_rq_lbs": "1000", "file": "paraldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "paraldehyde", "rcra_waste_number": "U182", "regulatory_categories": "4", "source_quote": "Paraldehyde | 123-63-7 | 4 | U182 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Paraldehyde", "title": "Paraldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Paraquat Dichloride\n\n**CAS No.:** 1910-42-5\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 1910-42-5 | Paraquat Dichloride | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1910-42-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "paraquat-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "paraquat-dichloride", "source_quote": "1910-42-5 | Paraquat Dichloride | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Paraquat Dichloride", "title": "Paraquat Dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Paraquat Methosulfate\n\n**CAS No.:** 2074-50-2\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10/10,000 | 2074-50-2 | Paraquat Methosulfate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2074-50-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "paraquat-methosulfate.md", "generated": true, "harvested": "2026-08-05", "id": "paraquat-methosulfate", "source_quote": "10/10,000 | 2074-50-2 | Paraquat Methosulfate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Paraquat Methosulfate", "title": "Paraquat Methosulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Parathion\n\n**CAS No.:** 56-38-2\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 56-38-2 | Parathion | b | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "56-38-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "parathion-2.md", "generated": true, "harvested": "2026-08-05", "id": "parathion-2", "source_quote": "56-38-2 | Parathion | b | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Parathion", "title": "Parathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Parathion-Methyl\n\n**CAS No.:** 298-00-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 298-00-0 | Parathion-Methyl | b | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "298-00-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "parathion-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "parathion-methyl", "source_quote": "100 | 298-00-0 | Parathion-Methyl | b | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Parathion-Methyl", "title": "Parathion-Methyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Parathion\n\n**CAS No.:** 56-38-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P089\n\n**Regulatory categories:** 1,3,4\n\n> Parathion | 56-38-2 | 1,3,4 | P089 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-38-2", "cercla_rq_lbs": "10", "file": "parathion.md", "generated": true, "harvested": "2026-08-05", "id": "parathion", "rcra_waste_number": "P089", "regulatory_categories": "1,3,4", "source_quote": "Parathion | 56-38-2 | 1,3,4 | P089 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Parathion", "title": "Parathion \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Paris Green\n\n**CAS No.:** 12002-03-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 12002-03-8 | Paris Green | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "12002-03-8", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "paris-green.md", "generated": true, "harvested": "2026-08-05", "id": "paris-green", "source_quote": "12002-03-8 | Paris Green | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Paris Green", "title": "Paris Green \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** PCBs\n\n**CAS No.:** 1336-36-3\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> PCBs | 1336-36-3 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1336-36-3", "cercla_rq_lbs": "1", "file": "pcbs.md", "generated": true, "harvested": "2026-08-05", "id": "pcbs", "regulatory_categories": "1,2,3", "source_quote": "PCBs | 1336-36-3 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "PCBs", "title": "PCBs \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** PCNB\n\n**CAS No.:** 82-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U185\n\n**Regulatory categories:** 3,4\n\n> PCNB | 82-68-8 | 3,4 | U185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "82-68-8", "cercla_rq_lbs": "100", "file": "pcnb.md", "generated": true, "harvested": "2026-08-05", "id": "pcnb", "rcra_waste_number": "U185", "regulatory_categories": "3,4", "source_quote": "PCNB | 82-68-8 | 3,4 | U185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "PCNB", "title": "PCNB \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentaborane\n\n**CAS No.:** 19624-22-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 19624-22-7 | Pentaborane | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "19624-22-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "pentaborane.md", "generated": true, "harvested": "2026-08-05", "id": "pentaborane", "source_quote": "19624-22-7 | Pentaborane | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pentaborane", "title": "Pentaborane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentachlorobenzene\n\n**CAS No.:** 608-93-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U183\n\n**Regulatory categories:** 4\n\n> Pentachlorobenzene | 608-93-5 | 4 | U183 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "608-93-5", "cercla_rq_lbs": "10", "file": "pentachlorobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "pentachlorobenzene", "rcra_waste_number": "U183", "regulatory_categories": "4", "source_quote": "Pentachlorobenzene | 608-93-5 | 4 | U183 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pentachlorobenzene", "title": "Pentachlorobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentachloroethane\n\n**CAS No.:** 76-01-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U184\n\n**Regulatory categories:** 4\n\n> Pentachloroethane | 76-01-7 | 4 | U184 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "76-01-7", "cercla_rq_lbs": "10", "file": "pentachloroethane.md", "generated": true, "harvested": "2026-08-05", "id": "pentachloroethane", "rcra_waste_number": "U184", "regulatory_categories": "4", "source_quote": "Pentachloroethane | 76-01-7 | 4 | U184 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pentachloroethane", "title": "Pentachloroethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentachloronitrobenzene\n\n**CAS No.:** 82-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U185\n\n**Regulatory categories:** 3,4\n\n> Pentachloronitrobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "82-68-8", "cercla_rq_lbs": "100", "file": "pentachloronitrobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "pentachloronitrobenzene", "rcra_waste_number": "U185", "regulatory_categories": "3,4", "source_quote": "Pentachloronitrobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pentachloronitrobenzene", "title": "Pentachloronitrobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentachlorophenol\n\n**CAS No.:** 87-86-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,2,3,4\n\n> Pentachlorophenol | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-86-5", "cercla_rq_lbs": "10", "file": "pentachlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "pentachlorophenol", "rcra_waste_number": "See F027", "regulatory_categories": "1,2,3,4", "source_quote": "Pentachlorophenol | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pentachlorophenol", "title": "Pentachlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pentadecylamine\n\n**CAS No.:** 2570-26-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 2570-26-5 | Pentadecylamine | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2570-26-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "pentadecylamine.md", "generated": true, "harvested": "2026-08-05", "id": "pentadecylamine", "source_quote": "2570-26-5 | Pentadecylamine | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pentadecylamine", "title": "Pentadecylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Peracetic Acid\n\n**CAS No.:** 79-21-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 79-21-0 | Peracetic Acid | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "79-21-0", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "peracetic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "peracetic-acid", "source_quote": "79-21-0 | Peracetic Acid | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Peracetic Acid", "title": "Peracetic Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Perchloroethylene\n\n**CAS No.:** 127-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U210\n\n**Regulatory categories:** 2,3,4\n\n> Perchloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "127-18-4", "cercla_rq_lbs": "100", "file": "perchloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "perchloroethylene", "rcra_waste_number": "U210", "regulatory_categories": "2,3,4", "source_quote": "Perchloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Perchloroethylene", "title": "Perchloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Perchloromethylmercaptan\n\n**CAS No.:** 594-42-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 594-42-3 | Perchloromethylmercaptan | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "594-42-3", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "perchloromethylmercaptan.md", "generated": true, "harvested": "2026-08-05", "id": "perchloromethylmercaptan", "source_quote": "500 | 594-42-3 | Perchloromethylmercaptan | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Perchloromethylmercaptan", "title": "Perchloromethylmercaptan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Perfluorooctanesulfonic acid v\n\n**CAS No.:** 1763-23-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 5\n\n> Perfluorooctanesulfonic acid v | 1763-23-1 | 5 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1763-23-1", "cercla_rq_lbs": "1", "file": "perfluorooctanesulfonic-acid-v.md", "generated": true, "harvested": "2026-08-05", "id": "perfluorooctanesulfonic-acid-v", "regulatory_categories": "5", "source_quote": "Perfluorooctanesulfonic acid v | 1763-23-1 | 5 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Perfluorooctanesulfonic acid v", "title": "Perfluorooctanesulfonic acid v \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Perfluorooctanoic acid v\n\n**CAS No.:** 335-67-1\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 5\n\n> Perfluorooctanoic acid v | 335-67-1 | 5 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "335-67-1", "cercla_rq_lbs": "1", "file": "perfluorooctanoic-acid-v.md", "generated": true, "harvested": "2026-08-05", "id": "perfluorooctanoic-acid-v", "regulatory_categories": "5", "source_quote": "Perfluorooctanoic acid v | 335-67-1 | 5 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Perfluorooctanoic acid v", "title": "Perfluorooctanoic acid v \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenacetin\n\n**CAS No.:** 62-44-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U187\n\n**Regulatory categories:** 4\n\n> Phenacetin | 62-44-2 | 4 | U187 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-44-2", "cercla_rq_lbs": "100", "file": "phenacetin.md", "generated": true, "harvested": "2026-08-05", "id": "phenacetin", "rcra_waste_number": "U187", "regulatory_categories": "4", "source_quote": "Phenacetin | 62-44-2 | 4 | U187 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenacetin", "title": "Phenacetin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenanthrene\n\n**CAS No.:** 85-01-8\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Phenanthrene | 85-01-8 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "85-01-8", "cercla_rq_lbs": "5000", "file": "phenanthrene.md", "generated": true, "harvested": "2026-08-05", "id": "phenanthrene", "regulatory_categories": "2", "source_quote": "Phenanthrene | 85-01-8 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenanthrene", "title": "Phenanthrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-(1-methylethoxy)-, methylcarbamate\n\n**CAS No.:** 114-26-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U411\n\n**Regulatory categories:** 3,4\n\n> Phenol, 2-(1-methylethoxy)-, methylcarbamate | 114-26-1 | 3,4 | U411 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "114-26-1", "cercla_rq_lbs": "100", "file": "phenol-2-1-methylethoxy-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-1-methylethoxy-methylcarbamate", "rcra_waste_number": "U411", "regulatory_categories": "3,4", "source_quote": "Phenol, 2-(1-methylethoxy)-, methylcarbamate | 114-26-1 | 3,4 | U411 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-(1-methylethoxy)-, methylcarbamate", "title": "Phenol, 2-(1-methylethoxy)-, methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-(1-methylpropyl)-4,6-dinitro-\n\n**CAS No.:** 88-85-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P020\n\n**Regulatory categories:** 4\n\n> Phenol, 2-(1-methylpropyl)-4,6-dinitro- | 88-85-7 | 4 | P020 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-85-7", "cercla_rq_lbs": "1000", "file": "phenol-2-1-methylpropyl-4-6-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-1-methylpropyl-4-6-dinitro", "rcra_waste_number": "P020", "regulatory_categories": "4", "source_quote": "Phenol, 2-(1-methylpropyl)-4,6-dinitro- | 88-85-7 | 4 | P020 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-(1-methylpropyl)-4,6-dinitro-", "title": "Phenol, 2-(1-methylpropyl)-4,6-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,2\u2032-methylenebis[3,4,6- trichloro-\n\n**CAS No.:** 70-30-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U132\n\n**Regulatory categories:** 4\n\n> Phenol, 2,2\u2032-methylenebis[3,4,6- trichloro- | 70-30-4 | 4 | U132 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "70-30-4", "cercla_rq_lbs": "100", "file": "phenol-2-2-methylenebis-3-4-6-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-2-methylenebis-3-4-6-trichloro", "rcra_waste_number": "U132", "regulatory_categories": "4", "source_quote": "Phenol, 2,2\u2032-methylenebis[3,4,6- trichloro- | 70-30-4 | 4 | U132 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,2\u2032-methylenebis[3,4,6- trichloro-", "title": "Phenol, 2,2\u2032-methylenebis[3,4,6- trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,2\u2032-Thiobis(4-Chloro-6-Methyl)-\n\n**CAS No.:** 4418-66-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 4418-66-0 | Phenol, 2,2\u2032-Thiobis(4-Chloro-6-Methyl)- | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4418-66-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "phenol-2-2-thiobis-4-chloro-6-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-2-thiobis-4-chloro-6-methyl", "source_quote": "4418-66-0 | Phenol, 2,2\u2032-Thiobis(4-Chloro-6-Methyl)- | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenol, 2,2\u2032-Thiobis(4-Chloro-6-Methyl)-", "title": "Phenol, 2,2\u2032-Thiobis(4-Chloro-6-Methyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,3,4,6-tetrachloro-\n\n**CAS No.:** 58-90-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 4\n\n> Phenol, 2,3,4,6-tetrachloro- | 58-90-2 | 4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "58-90-2", "cercla_rq_lbs": "10", "file": "phenol-2-3-4-6-tetrachloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-3-4-6-tetrachloro", "rcra_waste_number": "See F027", "regulatory_categories": "4", "source_quote": "Phenol, 2,3,4,6-tetrachloro- | 58-90-2 | 4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,3,4,6-tetrachloro-", "title": "Phenol, 2,3,4,6-tetrachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4,5-trichloro-\n\n**CAS No.:** 95-95-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,3,4\n\n> Phenol, 2,4,5-trichloro- | 95-95-4 | 1,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-95-4", "cercla_rq_lbs": "10", "file": "phenol-2-4-5-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-5-trichloro", "rcra_waste_number": "See F027", "regulatory_categories": "1,3,4", "source_quote": "Phenol, 2,4,5-trichloro- | 95-95-4 | 1,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4,5-trichloro-", "title": "Phenol, 2,4,5-trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4,6-trichloro-\n\n**CAS No.:** 88-06-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,2,3,4\n\n> Phenol, 2,4,6-trichloro- | 88-06-2 | 1,2,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "88-06-2", "cercla_rq_lbs": "10", "file": "phenol-2-4-6-trichloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-6-trichloro", "rcra_waste_number": "See F027", "regulatory_categories": "1,2,3,4", "source_quote": "Phenol, 2,4,6-trichloro- | 88-06-2 | 1,2,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4,6-trichloro-", "title": "Phenol, 2,4,6-trichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4,6-trinitro-, ammonium salt\n\n**CAS No.:** 131-74-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P009\n\n**Regulatory categories:** 4\n\n> Phenol, 2,4,6-trinitro-, ammonium salt | 131-74-8 | 4 | P009 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-74-8", "cercla_rq_lbs": "10", "file": "phenol-2-4-6-trinitro-ammonium-salt.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-6-trinitro-ammonium-salt", "rcra_waste_number": "P009", "regulatory_categories": "4", "source_quote": "Phenol, 2,4,6-trinitro-, ammonium salt | 131-74-8 | 4 | P009 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4,6-trinitro-, ammonium salt", "title": "Phenol, 2,4,6-trinitro-, ammonium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4-dichloro-\n\n**CAS No.:** 120-83-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U081\n\n**Regulatory categories:** 2,4\n\n> Phenol, 2,4-dichloro- | 120-83-2 | 2,4 | U081 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "120-83-2", "cercla_rq_lbs": "100", "file": "phenol-2-4-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-dichloro", "rcra_waste_number": "U081", "regulatory_categories": "2,4", "source_quote": "Phenol, 2,4-dichloro- | 120-83-2 | 2,4 | U081 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4-dichloro-", "title": "Phenol, 2,4-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4-dimethyl-\n\n**CAS No.:** 105-67-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U101\n\n**Regulatory categories:** 2,4\n\n> Phenol, 2,4-dimethyl- | 105-67-9 | 2,4 | U101 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "105-67-9", "cercla_rq_lbs": "100", "file": "phenol-2-4-dimethyl.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-dimethyl", "rcra_waste_number": "U101", "regulatory_categories": "2,4", "source_quote": "Phenol, 2,4-dimethyl- | 105-67-9 | 2,4 | U101 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4-dimethyl-", "title": "Phenol, 2,4-dimethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,4-dinitro-\n\n**CAS No.:** 51-28-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P048\n\n**Regulatory categories:** 1,2,3,4\n\n> Phenol, 2,4-dinitro- | 51-28-5 | 1,2,3,4 | P048 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-28-5", "cercla_rq_lbs": "10", "file": "phenol-2-4-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-4-dinitro", "rcra_waste_number": "P048", "regulatory_categories": "1,2,3,4", "source_quote": "Phenol, 2,4-dinitro- | 51-28-5 | 1,2,3,4 | P048 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,4-dinitro-", "title": "Phenol, 2,4-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2,6-dichloro-\n\n**CAS No.:** 87-65-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U082\n\n**Regulatory categories:** 4\n\n> Phenol, 2,6-dichloro- | 87-65-0 | 4 | U082 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-65-0", "cercla_rq_lbs": "100", "file": "phenol-2-6-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-6-dichloro", "rcra_waste_number": "U082", "regulatory_categories": "4", "source_quote": "Phenol, 2,6-dichloro- | 87-65-0 | 4 | U082 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2,6-dichloro-", "title": "Phenol, 2,6-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-chloro-\n\n**CAS No.:** 95-57-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U048\n\n**Regulatory categories:** 2,4\n\n> Phenol, 2-chloro- | 95-57-8 | 2,4 | U048 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "95-57-8", "cercla_rq_lbs": "100", "file": "phenol-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-chloro", "rcra_waste_number": "U048", "regulatory_categories": "2,4", "source_quote": "Phenol, 2-chloro- | 95-57-8 | 2,4 | U048 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-chloro-", "title": "Phenol, 2-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-cyclohexyl-4,6-dinitro-\n\n**CAS No.:** 131-89-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P034\n\n**Regulatory categories:** 4\n\n> Phenol, 2-cyclohexyl-4,6-dinitro- | 131-89-5 | 4 | P034 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "131-89-5", "cercla_rq_lbs": "100", "file": "phenol-2-cyclohexyl-4-6-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-cyclohexyl-4-6-dinitro", "rcra_waste_number": "P034", "regulatory_categories": "4", "source_quote": "Phenol, 2-cyclohexyl-4,6-dinitro- | 131-89-5 | 4 | P034 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-cyclohexyl-4,6-dinitro-", "title": "Phenol, 2-cyclohexyl-4,6-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-methyl-4,6-dinitro-, & salts\n\n**CAS No.:** 534-52-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P047\n\n**Regulatory categories:** 3,4\n\n> Phenol, 2-methyl-4,6-dinitro-, & salts | 534-52-1 | 3,4 | P047 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "534-52-1", "cercla_rq_lbs": "10", "file": "phenol-2-methyl-4-6-dinitro-salts.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-methyl-4-6-dinitro-salts", "rcra_waste_number": "P047", "regulatory_categories": "3,4", "source_quote": "Phenol, 2-methyl-4,6-dinitro-, & salts | 534-52-1 | 3,4 | P047 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-methyl-4,6-dinitro-, & salts", "title": "Phenol, 2-methyl-4,6-dinitro-, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 2-methyl-4,6-dinitro-\n\n**CAS No.:** 534-52-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P047\n\n**Regulatory categories:** 2,3,4\n\n> Phenol, 2-methyl-4,6-dinitro- | 534-52-1 | 2,3,4 | P047 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "534-52-1", "cercla_rq_lbs": "10", "file": "phenol-2-methyl-4-6-dinitro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2-methyl-4-6-dinitro", "rcra_waste_number": "P047", "regulatory_categories": "2,3,4", "source_quote": "Phenol, 2-methyl-4,6-dinitro- | 534-52-1 | 2,3,4 | P047 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 2-methyl-4,6-dinitro-", "title": "Phenol, 2-methyl-4,6-dinitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol\n\n**CAS No.:** 108-95-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 108-95-2 | Phenol | | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "108-95-2", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "phenol-2.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-2", "source_quote": "108-95-2 | Phenol | | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenol", "title": "Phenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 3-(1-methylethyl)-, methyl carbamate\n\n**CAS No.:** 64-00-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P202\n\n**Regulatory categories:** 4\n\n> Phenol, 3-(1-methylethyl)-, methyl carbamate | 64-00-6 | 4 | P202 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "64-00-6", "cercla_rq_lbs": "10", "file": "phenol-3-1-methylethyl-methyl-carbamate.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-3-1-methylethyl-methyl-carbamate", "rcra_waste_number": "P202", "regulatory_categories": "4", "source_quote": "Phenol, 3-(1-methylethyl)-, methyl carbamate | 64-00-6 | 4 | P202 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 3-(1-methylethyl)-, methyl carbamate", "title": "Phenol, 3-(1-methylethyl)-, methyl carbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 3-(1-Methylethyl)-, Methylcarbamate\n\n**CAS No.:** 64-00-6\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 100/10,000 | 64-00-6 | Phenol, 3-(1-Methylethyl)-, Methylcarbamate | | 10 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "64-00-6", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500/10,000", "file": "phenol-3-1-methylethyl-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-3-1-methylethyl-methylcarbamate", "source_quote": "100/10,000 | 64-00-6 | Phenol, 3-(1-Methylethyl)-, Methylcarbamate | | 10 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenol, 3-(1-Methylethyl)-, Methylcarbamate", "title": "Phenol, 3-(1-Methylethyl)-, Methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate\n\n**CAS No.:** 2032-65-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P199\n\n**Regulatory categories:** 1,4\n\n> Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate | 2032-65-7 | 1,4 | P199 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2032-65-7", "cercla_rq_lbs": "10", "file": "phenol-3-5-dimethyl-4-methylthio-methylcarbamate.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-3-5-dimethyl-4-methylthio-methylcarbamate", "rcra_waste_number": "P199", "regulatory_categories": "1,4", "source_quote": "Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate | 2032-65-7 | 1,4 | P199 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate", "title": "Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate\n\n**CAS No.:** 2631-37-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P201\n\n**Regulatory categories:** 4\n\n> Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate | 2631-37-0 | 4 | P201 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2631-37-0", "cercla_rq_lbs": "1000", "file": "phenol-3-methyl-5-1-methylethyl-methyl-carbamate.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-3-methyl-5-1-methylethyl-methyl-carbamate", "rcra_waste_number": "P201", "regulatory_categories": "4", "source_quote": "Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate | 2631-37-0 | 4 | P201 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate", "title": "Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 4,4\u2032-(1,2-diethyl-1,2-ethenediyl)bis-, (E)\n\n**CAS No.:** 56-53-1\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U089\n\n**Regulatory categories:** 4\n\n> Phenol, 4,4\u2032-(1,2-diethyl-1,2-ethenediyl)bis-, (E) | 56-53-1 | 4 | U089 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-53-1", "cercla_rq_lbs": "1", "file": "phenol-4-4-1-2-diethyl-1-2-ethenediyl-bis-e.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-4-4-1-2-diethyl-1-2-ethenediyl-bis-e", "rcra_waste_number": "U089", "regulatory_categories": "4", "source_quote": "Phenol, 4,4\u2032-(1,2-diethyl-1,2-ethenediyl)bis-, (E) | 56-53-1 | 4 | U089 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 4,4\u2032-(1,2-diethyl-1,2-ethenediyl)bis-, (E)", "title": "Phenol, 4,4\u2032-(1,2-diethyl-1,2-ethenediyl)bis-, (E) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 4-chloro-3-methyl-\n\n**CAS No.:** 59-50-7\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U039\n\n**Regulatory categories:** 2,4\n\n> Phenol, 4-chloro-3-methyl- | 59-50-7 | 2,4 | U039 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "59-50-7", "cercla_rq_lbs": "5000", "file": "phenol-4-chloro-3-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-4-chloro-3-methyl", "rcra_waste_number": "U039", "regulatory_categories": "2,4", "source_quote": "Phenol, 4-chloro-3-methyl- | 59-50-7 | 2,4 | U039 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 4-chloro-3-methyl-", "title": "Phenol, 4-chloro-3-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester)\n\n**CAS No.:** 315-18-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P128\n\n**Regulatory categories:** 1,4\n\n> Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) | 315-18-4 | 1,4 | P128 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "315-18-4", "cercla_rq_lbs": "1000", "file": "phenol-4-dimethylamino-3-5-dimethyl-4-methylcarbamate-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-4-dimethylamino-3-5-dimethyl-4-methylcarbamate-ester", "rcra_waste_number": "P128", "regulatory_categories": "1,4", "source_quote": "Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) | 315-18-4 | 1,4 | P128 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester)", "title": "Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, 4-nitro-\n\n**CAS No.:** 100-02-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U170\n\n**Regulatory categories:** 1,2,3,4\n\n> Phenol, 4-nitro- | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-02-7", "cercla_rq_lbs": "100", "file": "phenol-4-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-4-nitro", "rcra_waste_number": "U170", "regulatory_categories": "1,2,3,4", "source_quote": "Phenol, 4-nitro- | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, 4-nitro-", "title": "Phenol, 4-nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, methyl-\n\n**CAS No.:** 1319-77-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U052\n\n**Regulatory categories:** 1,3,4\n\n> Phenol, methyl- | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1319-77-3", "cercla_rq_lbs": "100", "file": "phenol-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-methyl", "rcra_waste_number": "U052", "regulatory_categories": "1,3,4", "source_quote": "Phenol, methyl- | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, methyl-", "title": "Phenol, methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol, pentachloro-\n\n**CAS No.:** 87-86-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,2,3,4\n\n> Phenol, pentachloro- | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "87-86-5", "cercla_rq_lbs": "10", "file": "phenol-pentachloro.md", "generated": true, "harvested": "2026-08-05", "id": "phenol-pentachloro", "rcra_waste_number": "See F027", "regulatory_categories": "1,2,3,4", "source_quote": "Phenol, pentachloro- | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol, pentachloro-", "title": "Phenol, pentachloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenol\n\n**CAS No.:** 108-95-2\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U188\n\n**Regulatory categories:** 1,2,3,4\n\n> Phenol | 108-95-2 | 1,2,3,4 | U188 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-95-2", "cercla_rq_lbs": "1000", "file": "phenol.md", "generated": true, "harvested": "2026-08-05", "id": "phenol", "rcra_waste_number": "U188", "regulatory_categories": "1,2,3,4", "source_quote": "Phenol | 108-95-2 | 1,2,3,4 | U188 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenol", "title": "Phenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenoxarsine, 10,10\u2032-Oxydi-\n\n**CAS No.:** 58-36-6\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 58-36-6 | Phenoxarsine, 10,10\u2032-Oxydi- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "58-36-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "phenoxarsine-10-10-oxydi.md", "generated": true, "harvested": "2026-08-05", "id": "phenoxarsine-10-10-oxydi", "source_quote": "500/10,000 | 58-36-6 | Phenoxarsine, 10,10\u2032-Oxydi- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenoxarsine, 10,10\u2032-Oxydi-", "title": "Phenoxarsine, 10,10\u2032-Oxydi- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenyl Dichloroarsine\n\n**CAS No.:** 696-28-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 500/10,000 | 696-28-6 | Phenyl Dichloroarsine |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "696-28-6", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "phenyl-dichloroarsine.md", "generated": true, "harvested": "2026-08-05", "id": "phenyl-dichloroarsine", "source_quote": "500/10,000 | 696-28-6 | Phenyl Dichloroarsine |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenyl Dichloroarsine", "title": "Phenyl Dichloroarsine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "unverified_fields": "epcra_rq_lbs", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylhydrazine Hydrochloride\n\n**CAS No.:** 59-88-1\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 59-88-1 | Phenylhydrazine Hydrochloride | | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "59-88-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "phenylhydrazine-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "phenylhydrazine-hydrochloride", "source_quote": "59-88-1 | Phenylhydrazine Hydrochloride | | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenylhydrazine Hydrochloride", "title": "Phenylhydrazine Hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylmercury Acetate\n\n**CAS No.:** 62-38-4\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 62-38-4 | Phenylmercury Acetate | | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62-38-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "phenylmercury-acetate-2.md", "generated": true, "harvested": "2026-08-05", "id": "phenylmercury-acetate-2", "source_quote": "62-38-4 | Phenylmercury Acetate | | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenylmercury Acetate", "title": "Phenylmercury Acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylmercury acetate\n\n**CAS No.:** 62-38-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P092\n\n**Regulatory categories:** 4\n\n> Phenylmercury acetate | 62-38-4 | 4 | P092 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-38-4", "cercla_rq_lbs": "100", "file": "phenylmercury-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "phenylmercury-acetate", "rcra_waste_number": "P092", "regulatory_categories": "4", "source_quote": "Phenylmercury acetate | 62-38-4 | 4 | P092 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenylmercury acetate", "title": "Phenylmercury acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylsilatrane\n\n**CAS No.:** 2097-19-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 2097-19-0 | Phenylsilatrane | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2097-19-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "phenylsilatrane.md", "generated": true, "harvested": "2026-08-05", "id": "phenylsilatrane", "source_quote": "2097-19-0 | Phenylsilatrane | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenylsilatrane", "title": "Phenylsilatrane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylthiourea\n\n**CAS No.:** 103-85-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 103-85-5 | Phenylthiourea | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "103-85-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "phenylthiourea-2.md", "generated": true, "harvested": "2026-08-05", "id": "phenylthiourea-2", "source_quote": "100/10,000 | 103-85-5 | Phenylthiourea | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phenylthiourea", "title": "Phenylthiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phenylthiourea\n\n**CAS No.:** 103-85-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P093\n\n**Regulatory categories:** 4\n\n> Phenylthiourea | 103-85-5 | 4 | P093 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "103-85-5", "cercla_rq_lbs": "100", "file": "phenylthiourea.md", "generated": true, "harvested": "2026-08-05", "id": "phenylthiourea", "rcra_waste_number": "P093", "regulatory_categories": "4", "source_quote": "Phenylthiourea | 103-85-5 | 4 | P093 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phenylthiourea", "title": "Phenylthiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phorate\n\n**CAS No.:** 298-02-2\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 298-02-2 | Phorate | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "298-02-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "phorate-2.md", "generated": true, "harvested": "2026-08-05", "id": "phorate-2", "source_quote": "298-02-2 | Phorate | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phorate", "title": "Phorate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phorate\n\n**CAS No.:** 298-02-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P094\n\n**Regulatory categories:** 4\n\n> Phorate | 298-02-2 | 4 | P094 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-02-2", "cercla_rq_lbs": "10", "file": "phorate.md", "generated": true, "harvested": "2026-08-05", "id": "phorate", "rcra_waste_number": "P094", "regulatory_categories": "4", "source_quote": "Phorate | 298-02-2 | 4 | P094 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phorate", "title": "Phorate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosacetim\n\n**CAS No.:** 4104-14-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 4104-14-7 | Phosacetim | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "4104-14-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "phosacetim.md", "generated": true, "harvested": "2026-08-05", "id": "phosacetim", "source_quote": "4104-14-7 | Phosacetim | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosacetim", "title": "Phosacetim \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosfolan\n\n**CAS No.:** 947-02-4\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 947-02-4 | Phosfolan | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "947-02-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "phosfolan.md", "generated": true, "harvested": "2026-08-05", "id": "phosfolan", "source_quote": "947-02-4 | Phosfolan | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosfolan", "title": "Phosfolan \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosgene\n\n**CAS No.:** 75-44-5\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 75-44-5 | Phosgene | f | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-44-5", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "phosgene-2.md", "generated": true, "harvested": "2026-08-05", "id": "phosgene-2", "source_quote": "75-44-5 | Phosgene | f | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosgene", "title": "Phosgene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosgene\n\n**CAS No.:** 75-44-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P095\n\n**Regulatory categories:** 1,3,4\n\n> Phosgene | 75-44-5 | 1,3,4 | P095 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-44-5", "cercla_rq_lbs": "10", "file": "phosgene.md", "generated": true, "harvested": "2026-08-05", "id": "phosgene", "rcra_waste_number": "P095", "regulatory_categories": "1,3,4", "source_quote": "Phosgene | 75-44-5 | 1,3,4 | P095 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosgene", "title": "Phosgene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphamidon\n\n**CAS No.:** 13171-21-6\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 13171-21-6 | Phosphamidon | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13171-21-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "phosphamidon.md", "generated": true, "harvested": "2026-08-05", "id": "phosphamidon", "source_quote": "13171-21-6 | Phosphamidon | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphamidon", "title": "Phosphamidon \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphine\n\n**CAS No.:** 7803-51-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 7803-51-2 | Phosphine | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7803-51-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "phosphine-2.md", "generated": true, "harvested": "2026-08-05", "id": "phosphine-2", "source_quote": "7803-51-2 | Phosphine | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphine", "title": "Phosphine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphine\n\n**CAS No.:** 7803-51-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P096\n\n**Regulatory categories:** 3,4\n\n> Phosphine | 7803-51-2 | 3,4 | P096 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7803-51-2", "cercla_rq_lbs": "100", "file": "phosphine.md", "generated": true, "harvested": "2026-08-05", "id": "phosphine", "rcra_waste_number": "P096", "regulatory_categories": "3,4", "source_quote": "Phosphine | 7803-51-2 | 3,4 | P096 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphine", "title": "Phosphine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester\n\n**CAS No.:** 2665-30-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 2665-30-7 | Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2665-30-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "phosphonothioic-acid-methyl-o-4-nitrophenyl-o-phenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphonothioic-acid-methyl-o-4-nitrophenyl-o-phenyl-ester", "source_quote": "2665-30-7 | Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester", "title": "Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester\n\n**CAS No.:** 2703-13-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 2703-13-1 | Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2703-13-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "phosphonothioic-acid-methyl-o-ethyl-o-4-methylthio-phenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphonothioic-acid-methyl-o-ethyl-o-4-methylthio-phenyl-ester", "source_quote": "500 | 2703-13-1 | Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester", "title": "Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester\n\n**CAS No.:** 50782-69-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 50782-69-9 | Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "50782-69-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "phosphonothioic-acid-methyl-s-2-bis-1methylethyl-amino-ethyl-o-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphonothioic-acid-methyl-s-2-bis-1methylethyl-amino-ethyl-o-ethyl-ester", "source_quote": "50782-69-9 | Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester", "title": "Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphoric acid, diethyl 4-nitrophenyl ester\n\n**CAS No.:** 311-45-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P041\n\n**Regulatory categories:** 4\n\n> Phosphoric acid, diethyl 4-nitrophenyl ester | 311-45-5 | 4 | P041 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "311-45-5", "cercla_rq_lbs": "100", "file": "phosphoric-acid-diethyl-4-nitrophenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphoric-acid-diethyl-4-nitrophenyl-ester", "rcra_waste_number": "P041", "regulatory_categories": "4", "source_quote": "Phosphoric acid, diethyl 4-nitrophenyl ester | 311-45-5 | 4 | P041 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphoric acid, diethyl 4-nitrophenyl ester", "title": "Phosphoric acid, diethyl 4-nitrophenyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester\n\n**CAS No.:** 3254-63-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 3254-63-5 | Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3254-63-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "phosphoric-acid-dimethyl-4-methylthio-phenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphoric-acid-dimethyl-4-methylthio-phenyl-ester", "source_quote": "500 | 3254-63-5 | Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester", "title": "Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphoric acid, lead(2 +) salt (2:3)\n\n**CAS No.:** 7446-27-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U145\n\n**Regulatory categories:** 4\n\n> Phosphoric acid, lead(2 +) salt (2:3) | 7446-27-7 | 4 | U145 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7446-27-7", "cercla_rq_lbs": "10", "file": "phosphoric-acid-lead-2-salt-2-3.md", "generated": true, "harvested": "2026-08-05", "id": "phosphoric-acid-lead-2-salt-2-3", "rcra_waste_number": "U145", "regulatory_categories": "4", "source_quote": "Phosphoric acid, lead(2 +) salt (2:3) | 7446-27-7 | 4 | U145 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphoric acid, lead(2 +) salt (2:3)", "title": "Phosphoric acid, lead(2 +) salt (2:3) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphoric acid\n\n**CAS No.:** 7664-38-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Phosphoric acid | 7664-38-2 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7664-38-2", "cercla_rq_lbs": "5000", "file": "phosphoric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "phosphoric-acid", "regulatory_categories": "1", "source_quote": "Phosphoric acid | 7664-38-2 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphoric acid", "title": "Phosphoric acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester\n\n**CAS No.:** 298-04-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P039\n\n**Regulatory categories:** 1,4\n\n> Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester | 298-04-4 | 1,4 | P039 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-04-4", "cercla_rq_lbs": "1", "file": "phosphorodithioic-acid-o-o-diethyl-s-2-ethylthio-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorodithioic-acid-o-o-diethyl-s-2-ethylthio-ethyl-ester", "rcra_waste_number": "P039", "regulatory_categories": "1,4", "source_quote": "Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester | 298-04-4 | 1,4 | P039 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester", "title": "Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester\n\n**CAS No.:** 298-02-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P094\n\n**Regulatory categories:** 4\n\n> Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester | 298-02-2 | 4 | P094 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-02-2", "cercla_rq_lbs": "10", "file": "phosphorodithioic-acid-o-o-diethyl-s-ethylthio-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorodithioic-acid-o-o-diethyl-s-ethylthio-methyl-ester", "rcra_waste_number": "P094", "regulatory_categories": "4", "source_quote": "Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester | 298-02-2 | 4 | P094 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester", "title": "Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorodithioic acid, O,O-diethyl S-methyl ester\n\n**CAS No.:** 3288-58-2\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U087\n\n**Regulatory categories:** 4\n\n> Phosphorodithioic acid, O,O-diethyl S-methyl ester | 3288-58-2 | 4 | U087 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3288-58-2", "cercla_rq_lbs": "5000", "file": "phosphorodithioic-acid-o-o-diethyl-s-methyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorodithioic-acid-o-o-diethyl-s-methyl-ester", "rcra_waste_number": "U087", "regulatory_categories": "4", "source_quote": "Phosphorodithioic acid, O,O-diethyl S-methyl ester | 3288-58-2 | 4 | U087 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorodithioic acid, O,O-diethyl S-methyl ester", "title": "Phosphorodithioic acid, O,O-diethyl S-methyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester\n\n**CAS No.:** 60-51-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P044\n\n**Regulatory categories:** 4\n\n> Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester | 60-51-5 | 4 | P044 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "60-51-5", "cercla_rq_lbs": "10", "file": "phosphorodithioic-acid-o-o-dimethyl-s-2-methylamino-2-oxoethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorodithioic-acid-o-o-dimethyl-s-2-methylamino-2-oxoethyl-ester", "rcra_waste_number": "P044", "regulatory_categories": "4", "source_quote": "Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester | 60-51-5 | 4 | P044 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester", "title": "Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorofluoridic acid, bis(1-methylethyl) ester\n\n**CAS No.:** 55-91-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P043\n\n**Regulatory categories:** 4\n\n> Phosphorofluoridic acid, bis(1-methylethyl) ester | 55-91-4 | 4 | P043 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "55-91-4", "cercla_rq_lbs": "100", "file": "phosphorofluoridic-acid-bis-1-methylethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorofluoridic-acid-bis-1-methylethyl-ester", "rcra_waste_number": "P043", "regulatory_categories": "4", "source_quote": "Phosphorofluoridic acid, bis(1-methylethyl) ester | 55-91-4 | 4 | P043 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorofluoridic acid, bis(1-methylethyl) ester", "title": "Phosphorofluoridic acid, bis(1-methylethyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester\n\n**CAS No.:** 52-85-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P097\n\n**Regulatory categories:** 4\n\n> Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester | 52-85-7 | 4 | P097 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52-85-7", "cercla_rq_lbs": "1000", "file": "phosphorothioic-acid-o-4-dimethylamino-sulfonyl-phenyl-o-o-dimethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorothioic-acid-o-4-dimethylamino-sulfonyl-phenyl-o-o-dimethyl-ester", "rcra_waste_number": "P097", "regulatory_categories": "4", "source_quote": "Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester | 52-85-7 | 4 | P097 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester", "title": "Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester\n\n**CAS No.:** 56-38-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P089\n\n**Regulatory categories:** 1,3,4\n\n> Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester | 56-38-2 | 1,3,4 | P089 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "56-38-2", "cercla_rq_lbs": "10", "file": "phosphorothioic-acid-o-o-diethyl-o-4-nitrophenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorothioic-acid-o-o-diethyl-o-4-nitrophenyl-ester", "rcra_waste_number": "P089", "regulatory_categories": "1,3,4", "source_quote": "Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester | 56-38-2 | 1,3,4 | P089 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester", "title": "Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester\n\n**CAS No.:** 297-97-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P040\n\n**Regulatory categories:** 4\n\n> Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester | 297-97-2 | 4 | P040 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "297-97-2", "cercla_rq_lbs": "100", "file": "phosphorothioic-acid-o-o-diethyl-o-pyrazinyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorothioic-acid-o-o-diethyl-o-pyrazinyl-ester", "rcra_waste_number": "P040", "regulatory_categories": "4", "source_quote": "Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester | 297-97-2 | 4 | P040 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester", "title": "Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester\n\n**CAS No.:** 298-00-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P071\n\n**Regulatory categories:** 1,4\n\n> Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester | 298-00-0 | 1,4 | P071 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "298-00-0", "cercla_rq_lbs": "100", "file": "phosphorothioic-acid-o-o-dimethyl-o-4-nitrophenyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorothioic-acid-o-o-dimethyl-o-4-nitrophenyl-ester", "rcra_waste_number": "P071", "regulatory_categories": "1,4", "source_quote": "Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester | 298-00-0 | 1,4 | P071 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester", "title": "Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester\n\n**CAS No.:** 2587-90-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 2587-90-8 | Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2587-90-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "phosphorothioic-acid-o-o-dimethyl-s-2-methylthio-ethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorothioic-acid-o-o-dimethyl-s-2-methylthio-ethyl-ester", "source_quote": "500 | 2587-90-8 | Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester", "title": "Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus\n\n**CAS No.:** 7723-14-0\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 1\n\n> 7723-14-0 | Phosphorus | a, d | 1 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7723-14-0", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "100", "file": "phosphorus-2.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-2", "source_quote": "7723-14-0 | Phosphorus | a, d | 1 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphorus", "title": "Phosphorus \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus Oxychloride\n\n**CAS No.:** 10025-87-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1,000\n\n> 10025-87-3 | Phosphorus Oxychloride | | 1,000 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10025-87-3", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500", "file": "phosphorus-oxychloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-oxychloride-2", "source_quote": "10025-87-3 | Phosphorus Oxychloride | | 1,000 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphorus Oxychloride", "title": "Phosphorus Oxychloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus oxychloride\n\n**CAS No.:** 10025-87-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Phosphorus oxychloride | 10025-87-3 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10025-87-3", "cercla_rq_lbs": "1000", "file": "phosphorus-oxychloride.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-oxychloride", "regulatory_categories": "1", "source_quote": "Phosphorus oxychloride | 10025-87-3 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorus oxychloride", "title": "Phosphorus oxychloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus Pentachloride\n\n**CAS No.:** 10026-13-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 10026-13-8 | Phosphorus Pentachloride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10026-13-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "phosphorus-pentachloride.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-pentachloride", "source_quote": "500 | 10026-13-8 | Phosphorus Pentachloride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphorus Pentachloride", "title": "Phosphorus Pentachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus pentasulfide\n\n**CAS No.:** 1314-80-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U189\n\n**Regulatory categories:** 1,4\n\n> Phosphorus pentasulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-80-3", "cercla_rq_lbs": "100", "file": "phosphorus-pentasulfide.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-pentasulfide", "rcra_waste_number": "U189", "regulatory_categories": "1,4", "source_quote": "Phosphorus pentasulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorus pentasulfide", "title": "Phosphorus pentasulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus sulfide\n\n**CAS No.:** 1314-80-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U189\n\n**Regulatory categories:** 1,4\n\n> Phosphorus sulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-80-3", "cercla_rq_lbs": "100", "file": "phosphorus-sulfide.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-sulfide", "rcra_waste_number": "U189", "regulatory_categories": "1,4", "source_quote": "Phosphorus sulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorus sulfide", "title": "Phosphorus sulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus Trichloride\n\n**CAS No.:** 7719-12-2\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 7719-12-2 | Phosphorus Trichloride | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7719-12-2", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "phosphorus-trichloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-trichloride-2", "source_quote": "7719-12-2 | Phosphorus Trichloride | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Phosphorus Trichloride", "title": "Phosphorus Trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus trichloride\n\n**CAS No.:** 7719-12-2\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Phosphorus trichloride | 7719-12-2 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7719-12-2", "cercla_rq_lbs": "1000", "file": "phosphorus-trichloride.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus-trichloride", "regulatory_categories": "1", "source_quote": "Phosphorus trichloride | 7719-12-2 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorus trichloride", "title": "Phosphorus trichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phosphorus\n\n**CAS No.:** 7723-14-0\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,3\n\n> Phosphorus | 7723-14-0 | 1,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7723-14-0", "cercla_rq_lbs": "1", "file": "phosphorus.md", "generated": true, "harvested": "2026-08-05", "id": "phosphorus", "regulatory_categories": "1,3", "source_quote": "Phosphorus | 7723-14-0 | 1,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phosphorus", "title": "Phosphorus \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Phthalic anhydride\n\n**CAS No.:** 85-44-9\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U190\n\n**Regulatory categories:** 3,4\n\n> Phthalic anhydride | 85-44-9 | 3,4 | U190 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "85-44-9", "cercla_rq_lbs": "5000", "file": "phthalic-anhydride.md", "generated": true, "harvested": "2026-08-05", "id": "phthalic-anhydride", "rcra_waste_number": "U190", "regulatory_categories": "3,4", "source_quote": "Phthalic anhydride | 85-44-9 | 3,4 | U190 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Phthalic anhydride", "title": "Phthalic anhydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Physostigmine\n\n**CAS No.:** 57-47-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 57-47-6 | Physostigmine | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-47-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "physostigmine-2.md", "generated": true, "harvested": "2026-08-05", "id": "physostigmine-2", "source_quote": "57-47-6 | Physostigmine | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Physostigmine", "title": "Physostigmine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Physostigmine, Salicylate (1:1)\n\n**CAS No.:** 57-64-7\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 57-64-7 | Physostigmine, Salicylate (1:1) |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-64-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "physostigmine-salicylate-1-1.md", "generated": true, "harvested": "2026-08-05", "id": "physostigmine-salicylate-1-1", "source_quote": "100/10,000 | 57-64-7 | Physostigmine, Salicylate (1:1) |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Physostigmine, Salicylate (1:1)", "title": "Physostigmine, Salicylate (1:1) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Physostigmine salicylate\n\n**CAS No.:** 57-64-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P188\n\n**Regulatory categories:** 4\n\n> Physostigmine salicylate | 57-64-7 | 4 | P188 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-64-7", "cercla_rq_lbs": "100", "file": "physostigmine-salicylate.md", "generated": true, "harvested": "2026-08-05", "id": "physostigmine-salicylate", "rcra_waste_number": "P188", "regulatory_categories": "4", "source_quote": "Physostigmine salicylate | 57-64-7 | 4 | P188 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Physostigmine salicylate", "title": "Physostigmine salicylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Physostigmine\n\n**CAS No.:** 57-47-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P204\n\n**Regulatory categories:** 4\n\n> Physostigmine | 57-47-6 | 4 | P204 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-47-6", "cercla_rq_lbs": "100", "file": "physostigmine.md", "generated": true, "harvested": "2026-08-05", "id": "physostigmine", "rcra_waste_number": "P204", "regulatory_categories": "4", "source_quote": "Physostigmine | 57-47-6 | 4 | P204 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Physostigmine", "title": "Physostigmine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Picrotoxin\n\n**CAS No.:** 124-87-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 124-87-8 | Picrotoxin | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "124-87-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "picrotoxin.md", "generated": true, "harvested": "2026-08-05", "id": "picrotoxin", "source_quote": "124-87-8 | Picrotoxin | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Picrotoxin", "title": "Picrotoxin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Piperidine, 1-nitroso-\n\n**CAS No.:** 100-75-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U179\n\n**Regulatory categories:** 4\n\n> Piperidine, 1-nitroso- | 100-75-4 | 4 | U179 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-75-4", "cercla_rq_lbs": "10", "file": "piperidine-1-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "piperidine-1-nitroso", "rcra_waste_number": "U179", "regulatory_categories": "4", "source_quote": "Piperidine, 1-nitroso- | 100-75-4 | 4 | U179 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Piperidine, 1-nitroso-", "title": "Piperidine, 1-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Piperidine\n\n**CAS No.:** 110-89-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 110-89-4 | Piperidine | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "110-89-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "piperidine.md", "generated": true, "harvested": "2026-08-05", "id": "piperidine", "source_quote": "110-89-4 | Piperidine | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Piperidine", "title": "Piperidine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pirimifos-Ethyl\n\n**CAS No.:** 23505-41-1\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 23505-41-1 | Pirimifos-Ethyl | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "23505-41-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "pirimifos-ethyl.md", "generated": true, "harvested": "2026-08-05", "id": "pirimifos-ethyl", "source_quote": "23505-41-1 | Pirimifos-Ethyl | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pirimifos-Ethyl", "title": "Pirimifos-Ethyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Plumbane, tetraethyl-\n\n**CAS No.:** 78-00-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P110\n\n**Regulatory categories:** 1,4\n\n> Plumbane, tetraethyl- | 78-00-2 | 1,4 | P110 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-00-2", "cercla_rq_lbs": "10", "file": "plumbane-tetraethyl.md", "generated": true, "harvested": "2026-08-05", "id": "plumbane-tetraethyl", "rcra_waste_number": "P110", "regulatory_categories": "1,4", "source_quote": "Plumbane, tetraethyl- | 78-00-2 | 1,4 | P110 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Plumbane, tetraethyl-", "title": "Plumbane, tetraethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** POLYCHLORINATED BIPHENYLS\n\n**CAS No.:** 1336-36-3\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1,2,3\n\n> POLYCHLORINATED BIPHENYLS | 1336-36-3 | 1,2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1336-36-3", "cercla_rq_lbs": "1", "file": "polychlorinated-biphenyls.md", "generated": true, "harvested": "2026-08-05", "id": "polychlorinated-biphenyls", "regulatory_categories": "1,2,3", "source_quote": "POLYCHLORINATED BIPHENYLS | 1336-36-3 | 1,2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "POLYCHLORINATED BIPHENYLS", "title": "POLYCHLORINATED BIPHENYLS \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium arsenate\n\n**CAS No.:** 7784-41-0\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Potassium arsenate | 7784-41-0 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7784-41-0", "cercla_rq_lbs": "1", "file": "potassium-arsenate.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-arsenate", "regulatory_categories": "1", "source_quote": "Potassium arsenate | 7784-41-0 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium arsenate", "title": "Potassium arsenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium Arsenite\n\n**CAS No.:** 10124-50-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 10124-50-2 | Potassium Arsenite | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10124-50-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "potassium-arsenite-2.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-arsenite-2", "source_quote": "10124-50-2 | Potassium Arsenite | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Potassium Arsenite", "title": "Potassium Arsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium arsenite\n\n**CAS No.:** 10124-50-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Potassium arsenite | 10124-50-2 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10124-50-2", "cercla_rq_lbs": "1", "file": "potassium-arsenite.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-arsenite", "regulatory_categories": "1", "source_quote": "Potassium arsenite | 10124-50-2 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium arsenite", "title": "Potassium arsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium bichromate\n\n**CAS No.:** 7778-50-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Potassium bichromate | 7778-50-9 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7778-50-9", "cercla_rq_lbs": "10", "file": "potassium-bichromate.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-bichromate", "regulatory_categories": "1", "source_quote": "Potassium bichromate | 7778-50-9 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium bichromate", "title": "Potassium bichromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium chromate\n\n**CAS No.:** 7789-00-6\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Potassium chromate | 7789-00-6 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-00-6", "cercla_rq_lbs": "10", "file": "potassium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-chromate", "regulatory_categories": "1", "source_quote": "Potassium chromate | 7789-00-6 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium chromate", "title": "Potassium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium cyanide K(CN)\n\n**CAS No.:** 151-50-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P098\n\n**Regulatory categories:** 1,4\n\n> Potassium cyanide K(CN) | 151-50-8 | 1,4 | P098 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "151-50-8", "cercla_rq_lbs": "10", "file": "potassium-cyanide-k-cn.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-cyanide-k-cn", "rcra_waste_number": "P098", "regulatory_categories": "1,4", "source_quote": "Potassium cyanide K(CN) | 151-50-8 | 1,4 | P098 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium cyanide K(CN)", "title": "Potassium cyanide K(CN) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium Cyanide\n\n**CAS No.:** 151-50-8\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 151-50-8 | Potassium Cyanide | a | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "151-50-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "potassium-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-cyanide", "source_quote": "500/10,000 | 151-50-8 | Potassium Cyanide | a | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Potassium Cyanide", "title": "Potassium Cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium hydroxide\n\n**CAS No.:** 1310-58-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Potassium hydroxide | 1310-58-3 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1310-58-3", "cercla_rq_lbs": "1000", "file": "potassium-hydroxide.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-hydroxide", "regulatory_categories": "1", "source_quote": "Potassium hydroxide | 1310-58-3 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium hydroxide", "title": "Potassium hydroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium permanganate\n\n**CAS No.:** 7722-64-7\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Potassium permanganate | 7722-64-7 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7722-64-7", "cercla_rq_lbs": "100", "file": "potassium-permanganate.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-permanganate", "regulatory_categories": "1", "source_quote": "Potassium permanganate | 7722-64-7 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium permanganate", "title": "Potassium permanganate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium Silver Cyanide\n\n**CAS No.:** 506-61-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1\n\n> 506-61-6 | Potassium Silver Cyanide | a | 1 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "506-61-6", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500", "file": "potassium-silver-cyanide-2.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-silver-cyanide-2", "source_quote": "506-61-6 | Potassium Silver Cyanide | a | 1 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Potassium Silver Cyanide", "title": "Potassium Silver Cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Potassium silver cyanide\n\n**CAS No.:** 506-61-6\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P099\n\n**Regulatory categories:** 4\n\n> Potassium silver cyanide | 506-61-6 | 4 | P099 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-61-6", "cercla_rq_lbs": "1", "file": "potassium-silver-cyanide.md", "generated": true, "harvested": "2026-08-05", "id": "potassium-silver-cyanide", "rcra_waste_number": "P099", "regulatory_categories": "4", "source_quote": "Potassium silver cyanide | 506-61-6 | 4 | P099 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Potassium silver cyanide", "title": "Potassium silver cyanide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Promecarb\n\n**CAS No.:** 2631-37-0\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2631-37-0 | Promecarb | d | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2631-37-0", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "promecarb-2.md", "generated": true, "harvested": "2026-08-05", "id": "promecarb-2", "source_quote": "2631-37-0 | Promecarb | d | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Promecarb", "title": "Promecarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Promecarb\n\n**CAS No.:** 2631-37-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P201\n\n**Regulatory categories:** 4\n\n> Promecarb | 2631-37-0 | 4 | P201 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2631-37-0", "cercla_rq_lbs": "1000", "file": "promecarb.md", "generated": true, "harvested": "2026-08-05", "id": "promecarb", "rcra_waste_number": "P201", "regulatory_categories": "4", "source_quote": "Promecarb | 2631-37-0 | 4 | P201 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Promecarb", "title": "Promecarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pronamide\n\n**CAS No.:** 23950-58-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U192\n\n**Regulatory categories:** 4\n\n> Pronamide | 23950-58-5 | 4 | U192 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23950-58-5", "cercla_rq_lbs": "5000", "file": "pronamide.md", "generated": true, "harvested": "2026-08-05", "id": "pronamide", "rcra_waste_number": "U192", "regulatory_categories": "4", "source_quote": "Pronamide | 23950-58-5 | 4 | U192 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pronamide", "title": "Pronamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime\n\n**CAS No.:** 1646-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P203\n\n**Regulatory categories:** 4\n\n> Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime | 1646-88-4 | 4 | P203 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1646-88-4", "cercla_rq_lbs": "100", "file": "propanal-2-methyl-2-methyl-sulfonyl-o-methylamino-carbonyl-oxime.md", "generated": true, "harvested": "2026-08-05", "id": "propanal-2-methyl-2-methyl-sulfonyl-o-methylamino-carbonyl-oxime", "rcra_waste_number": "P203", "regulatory_categories": "4", "source_quote": "Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime | 1646-88-4 | 4 | P203 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime", "title": "Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime\n\n**CAS No.:** 116-06-3\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P070\n\n**Regulatory categories:** 4\n\n> Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime | 116-06-3 | 4 | P070 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "116-06-3", "cercla_rq_lbs": "1", "file": "propanal-2-methyl-2-methylthio-o-methylamino-carbonyl-oxime.md", "generated": true, "harvested": "2026-08-05", "id": "propanal-2-methyl-2-methylthio-o-methylamino-carbonyl-oxime", "rcra_waste_number": "P070", "regulatory_categories": "4", "source_quote": "Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime | 116-06-3 | 4 | P070 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime", "title": "Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propane, 1,2-dibromo-3-chloro-\n\n**CAS No.:** 96-12-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U066\n\n**Regulatory categories:** 3,4\n\n> Propane, 1,2-dibromo-3-chloro- | 96-12-8 | 3,4 | U066 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "96-12-8", "cercla_rq_lbs": "1", "file": "propane-1-2-dibromo-3-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "propane-1-2-dibromo-3-chloro", "rcra_waste_number": "U066", "regulatory_categories": "3,4", "source_quote": "Propane, 1,2-dibromo-3-chloro- | 96-12-8 | 3,4 | U066 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propane, 1,2-dibromo-3-chloro-", "title": "Propane, 1,2-dibromo-3-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propane, 1,2-dichloro-\n\n**CAS No.:** 78-87-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U083\n\n**Regulatory categories:** 1,2,3,4\n\n> Propane, 1,2-dichloro- | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-87-5", "cercla_rq_lbs": "1000", "file": "propane-1-2-dichloro.md", "generated": true, "harvested": "2026-08-05", "id": "propane-1-2-dichloro", "rcra_waste_number": "U083", "regulatory_categories": "1,2,3,4", "source_quote": "Propane, 1,2-dichloro- | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propane, 1,2-dichloro-", "title": "Propane, 1,2-dichloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propane, 2,2\u2032-oxybis[2-chloro-\n\n**CAS No.:** 108-60-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U027\n\n**Regulatory categories:** 2,4\n\n> Propane, 2,2\u2032-oxybis[2-chloro- | 108-60-1 | 2,4 | U027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-60-1", "cercla_rq_lbs": "1000", "file": "propane-2-2-oxybis-2-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "propane-2-2-oxybis-2-chloro", "rcra_waste_number": "U027", "regulatory_categories": "2,4", "source_quote": "Propane, 2,2\u2032-oxybis[2-chloro- | 108-60-1 | 2,4 | U027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propane, 2,2\u2032-oxybis[2-chloro-", "title": "Propane, 2,2\u2032-oxybis[2-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propane, 2-nitro-\n\n**CAS No.:** 79-46-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U171\n\n**Regulatory categories:** 3,4\n\n> Propane, 2-nitro- | 79-46-9 | 3,4 | U171 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-46-9", "cercla_rq_lbs": "10", "file": "propane-2-nitro.md", "generated": true, "harvested": "2026-08-05", "id": "propane-2-nitro", "rcra_waste_number": "U171", "regulatory_categories": "3,4", "source_quote": "Propane, 2-nitro- | 79-46-9 | 3,4 | U171 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propane, 2-nitro-", "title": "Propane, 2-nitro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanedinitrile\n\n**CAS No.:** 109-77-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U149\n\n**Regulatory categories:** 4\n\n> Propanedinitrile | 109-77-3 | 4 | U149 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-77-3", "cercla_rq_lbs": "1000", "file": "propanedinitrile.md", "generated": true, "harvested": "2026-08-05", "id": "propanedinitrile", "rcra_waste_number": "U149", "regulatory_categories": "4", "source_quote": "Propanedinitrile | 109-77-3 | 4 | U149 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanedinitrile", "title": "Propanedinitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanenitrile, 2-hydroxy-2-methyl-\n\n**CAS No.:** 75-86-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P069\n\n**Regulatory categories:** 1,4\n\n> Propanenitrile, 2-hydroxy-2-methyl- | 75-86-5 | 1,4 | P069 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-86-5", "cercla_rq_lbs": "10", "file": "propanenitrile-2-hydroxy-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "propanenitrile-2-hydroxy-2-methyl", "rcra_waste_number": "P069", "regulatory_categories": "1,4", "source_quote": "Propanenitrile, 2-hydroxy-2-methyl- | 75-86-5 | 1,4 | P069 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanenitrile, 2-hydroxy-2-methyl-", "title": "Propanenitrile, 2-hydroxy-2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanenitrile, 3-chloro-\n\n**CAS No.:** 542-76-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P027\n\n**Regulatory categories:** 4\n\n> Propanenitrile, 3-chloro- | 542-76-7 | 4 | P027 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "542-76-7", "cercla_rq_lbs": "1000", "file": "propanenitrile-3-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "propanenitrile-3-chloro", "rcra_waste_number": "P027", "regulatory_categories": "4", "source_quote": "Propanenitrile, 3-chloro- | 542-76-7 | 4 | P027 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanenitrile, 3-chloro-", "title": "Propanenitrile, 3-chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanenitrile\n\n**CAS No.:** 107-12-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P101\n\n**Regulatory categories:** 4\n\n> Propanenitrile | 107-12-0 | 4 | P101 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-12-0", "cercla_rq_lbs": "10", "file": "propanenitrile.md", "generated": true, "harvested": "2026-08-05", "id": "propanenitrile", "rcra_waste_number": "P101", "regulatory_categories": "4", "source_quote": "Propanenitrile | 107-12-0 | 4 | P101 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanenitrile", "title": "Propanenitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propanoic acid, 2-(2,4,5-trichlorophenoxy)-\n\n**CAS No.:** 93-72-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> Propanoic acid, 2-(2,4,5-trichlorophenoxy)- | 93-72-1 | 1,4 | See F027 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-72-1", "cercla_rq_lbs": "100", "file": "propanoic-acid-2-2-4-5-trichlorophenoxy.md", "generated": true, "harvested": "2026-08-05", "id": "propanoic-acid-2-2-4-5-trichlorophenoxy", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "Propanoic acid, 2-(2,4,5-trichlorophenoxy)- | 93-72-1 | 1,4 | See F027 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propanoic acid, 2-(2,4,5-trichlorophenoxy)-", "title": "Propanoic acid, 2-(2,4,5-trichlorophenoxy)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propargite\n\n**CAS No.:** 2312-35-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Propargite | 2312-35-8 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2312-35-8", "cercla_rq_lbs": "10", "file": "propargite.md", "generated": true, "harvested": "2026-08-05", "id": "propargite", "regulatory_categories": "1", "source_quote": "Propargite | 2312-35-8 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propargite", "title": "Propargite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propargyl alcohol\n\n**CAS No.:** 107-19-7\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P102\n\n**Regulatory categories:** 4\n\n> Propargyl alcohol | 107-19-7 | 4 | P102 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-19-7", "cercla_rq_lbs": "1000", "file": "propargyl-alcohol.md", "generated": true, "harvested": "2026-08-05", "id": "propargyl-alcohol", "rcra_waste_number": "P102", "regulatory_categories": "4", "source_quote": "Propargyl alcohol | 107-19-7 | 4 | P102 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propargyl alcohol", "title": "Propargyl alcohol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propargyl Bromide\n\n**CAS No.:** 106-96-7\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 500/10,000 | 106-96-7 | Propargyl Bromide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "106-96-7", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "propargyl-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "propargyl-bromide", "source_quote": "500/10,000 | 106-96-7 | Propargyl Bromide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propargyl Bromide", "title": "Propargyl Bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propham\n\n**CAS No.:** 122-42-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U373\n\n**Regulatory categories:** 4\n\n> Propham | 122-42-9 | 4 | U373 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "122-42-9", "cercla_rq_lbs": "1000", "file": "propham.md", "generated": true, "harvested": "2026-08-05", "id": "propham", "rcra_waste_number": "U373", "regulatory_categories": "4", "source_quote": "Propham | 122-42-9 | 4 | U373 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propham", "title": "Propham \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propiolactone, Beta-\n\n**CAS No.:** 57-57-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 57-57-8 | Propiolactone, Beta- | | 10 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-57-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "propiolactone-beta.md", "generated": true, "harvested": "2026-08-05", "id": "propiolactone-beta", "source_quote": "10 | 57-57-8 | Propiolactone, Beta- | | 10 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propiolactone, Beta-", "title": "Propiolactone, Beta- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propionaldehyde\n\n**CAS No.:** 123-38-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> Propionaldehyde | 123-38-6 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-38-6", "cercla_rq_lbs": "1000", "file": "propionaldehyde.md", "generated": true, "harvested": "2026-08-05", "id": "propionaldehyde", "regulatory_categories": "3", "source_quote": "Propionaldehyde | 123-38-6 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propionaldehyde", "title": "Propionaldehyde \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propionic acid\n\n**CAS No.:** 79-09-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Propionic acid | 79-09-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-09-4", "cercla_rq_lbs": "5000", "file": "propionic-acid.md", "generated": true, "harvested": "2026-08-05", "id": "propionic-acid", "regulatory_categories": "1", "source_quote": "Propionic acid | 79-09-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propionic acid", "title": "Propionic acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propionic anhydride\n\n**CAS No.:** 123-62-6\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Propionic anhydride | 123-62-6 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "123-62-6", "cercla_rq_lbs": "5000", "file": "propionic-anhydride.md", "generated": true, "harvested": "2026-08-05", "id": "propionic-anhydride", "regulatory_categories": "1", "source_quote": "Propionic anhydride | 123-62-6 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propionic anhydride", "title": "Propionic anhydride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propionitrile, 3-Chloro-\n\n**CAS No.:** 542-76-7\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 542-76-7 | Propionitrile, 3-Chloro- | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "542-76-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "propionitrile-3-chloro.md", "generated": true, "harvested": "2026-08-05", "id": "propionitrile-3-chloro", "source_quote": "542-76-7 | Propionitrile, 3-Chloro- | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propionitrile, 3-Chloro-", "title": "Propionitrile, 3-Chloro- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propionitrile\n\n**CAS No.:** 107-12-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 500 | 107-12-0 | Propionitrile | | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-12-0", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "propionitrile.md", "generated": true, "harvested": "2026-08-05", "id": "propionitrile", "source_quote": "500 | 107-12-0 | Propionitrile | | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propionitrile", "title": "Propionitrile \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propiophenone, 4-Amino-\n\n**CAS No.:** 70-69-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 70-69-9 | Propiophenone, 4-Amino- | c | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "70-69-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "propiophenone-4-amino.md", "generated": true, "harvested": "2026-08-05", "id": "propiophenone-4-amino", "source_quote": "70-69-9 | Propiophenone, 4-Amino- | c | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propiophenone, 4-Amino-", "title": "Propiophenone, 4-Amino- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propoxur (Baygon)\n\n**CAS No.:** 114-26-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U411\n\n**Regulatory categories:** 3,4\n\n> Propoxur (Baygon) | 114-26-1 | 3,4 | U411 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "114-26-1", "cercla_rq_lbs": "100", "file": "propoxur-baygon.md", "generated": true, "harvested": "2026-08-05", "id": "propoxur-baygon", "rcra_waste_number": "U411", "regulatory_categories": "3,4", "source_quote": "Propoxur (Baygon) | 114-26-1 | 3,4 | U411 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propoxur (Baygon)", "title": "Propoxur (Baygon) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propyl Chloroformate\n\n**CAS No.:** 109-61-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 109-61-5 | Propyl Chloroformate | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "109-61-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "propyl-chloroformate.md", "generated": true, "harvested": "2026-08-05", "id": "propyl-chloroformate", "source_quote": "109-61-5 | Propyl Chloroformate | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propyl Chloroformate", "title": "Propyl Chloroformate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propylene dichloride\n\n**CAS No.:** 78-87-5\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U083\n\n**Regulatory categories:** 1,2,3,4\n\n> Propylene dichloride | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-87-5", "cercla_rq_lbs": "1000", "file": "propylene-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "propylene-dichloride", "rcra_waste_number": "U083", "regulatory_categories": "1,2,3,4", "source_quote": "Propylene dichloride | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propylene dichloride", "title": "Propylene dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propylene Oxide\n\n**CAS No.:** 75-56-9\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 75-56-9 | Propylene Oxide | f | 100 | 10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-56-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "10,000", "file": "propylene-oxide-2.md", "generated": true, "harvested": "2026-08-05", "id": "propylene-oxide-2", "source_quote": "75-56-9 | Propylene Oxide | f | 100 | 10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propylene Oxide", "title": "Propylene Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propylene oxide\n\n**CAS No.:** 75-56-9\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1,3\n\n> Propylene oxide | 75-56-9 | 1,3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-56-9", "cercla_rq_lbs": "100", "file": "propylene-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "propylene-oxide", "regulatory_categories": "1,3", "source_quote": "Propylene oxide | 75-56-9 | 1,3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Propylene oxide", "title": "Propylene oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Propyleneimine\n\n**CAS No.:** 75-55-8\n\n**EPCRA TPQ (lbs):** 10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 10,000 | 75-55-8 | Propyleneimine |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-55-8", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "10,000", "file": "propyleneimine.md", "generated": true, "harvested": "2026-08-05", "id": "propyleneimine", "source_quote": "10,000 | 75-55-8 | Propyleneimine |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Propyleneimine", "title": "Propyleneimine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "unverified_fields": "epcra_rq_lbs", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Prosulfocarb\n\n**CAS No.:** 52888-80-9\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U387\n\n**Regulatory categories:** 4\n\n> Prosulfocarb | 52888-80-9 | 4 | U387 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52888-80-9", "cercla_rq_lbs": "5000", "file": "prosulfocarb.md", "generated": true, "harvested": "2026-08-05", "id": "prosulfocarb", "rcra_waste_number": "U387", "regulatory_categories": "4", "source_quote": "Prosulfocarb | 52888-80-9 | 4 | U387 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Prosulfocarb", "title": "Prosulfocarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Prothoate\n\n**CAS No.:** 2275-18-5\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 2275-18-5 | Prothoate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2275-18-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "prothoate.md", "generated": true, "harvested": "2026-08-05", "id": "prothoate", "source_quote": "2275-18-5 | Prothoate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Prothoate", "title": "Prothoate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyrene\n\n**CAS No.:** 129-00-0\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 5,000\n\n> 129-00-0 | Pyrene | b | 5,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "129-00-0", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "1,000/10,000", "file": "pyrene-2.md", "generated": true, "harvested": "2026-08-05", "id": "pyrene-2", "source_quote": "129-00-0 | Pyrene | b | 5,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pyrene", "title": "Pyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyrene\n\n**CAS No.:** 129-00-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 2\n\n> Pyrene | 129-00-0 | 2 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "129-00-0", "cercla_rq_lbs": "5000", "file": "pyrene.md", "generated": true, "harvested": "2026-08-05", "id": "pyrene", "regulatory_categories": "2", "source_quote": "Pyrene | 129-00-0 | 2 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyrene", "title": "Pyrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine, 2-Methyl-5-Vinyl-\n\n**CAS No.:** 140-76-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 140-76-1 | Pyridine, 2-Methyl-5-Vinyl- | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "140-76-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "pyridine-2-methyl-5-vinyl.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine-2-methyl-5-vinyl", "source_quote": "140-76-1 | Pyridine, 2-Methyl-5-Vinyl- | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pyridine, 2-Methyl-5-Vinyl-", "title": "Pyridine, 2-Methyl-5-Vinyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine, 2-methyl-\n\n**CAS No.:** 109-06-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U191\n\n**Regulatory categories:** 4\n\n> Pyridine, 2-methyl- | 109-06-8 | 4 | U191 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-06-8", "cercla_rq_lbs": "5000", "file": "pyridine-2-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine-2-methyl", "rcra_waste_number": "U191", "regulatory_categories": "4", "source_quote": "Pyridine, 2-methyl- | 109-06-8 | 4 | U191 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyridine, 2-methyl-", "title": "Pyridine, 2-methyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts\n\n**CAS No.:** 54-11-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P075\n\n**Regulatory categories:** 4\n\n> Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts | 54-11-5 | 4 | P075 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "54-11-5", "cercla_rq_lbs": "100", "file": "pyridine-3-1-methyl-2-pyrrolidinyl-s-salts.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine-3-1-methyl-2-pyrrolidinyl-s-salts", "rcra_waste_number": "P075", "regulatory_categories": "4", "source_quote": "Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts | 54-11-5 | 4 | P075 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts", "title": "Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine, 4-Amino-\n\n**CAS No.:** 504-24-5\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 504-24-5 | Pyridine, 4-Amino- | d | 1,000 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "504-24-5", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500/10,000", "file": "pyridine-4-amino.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine-4-amino", "source_quote": "504-24-5 | Pyridine, 4-Amino- | d | 1,000 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pyridine, 4-Amino-", "title": "Pyridine, 4-Amino- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine, 4-Nitro-,l-Oxide\n\n**CAS No.:** 1124-33-0\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 1124-33-0 | Pyridine, 4-Nitro-,l-Oxide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1124-33-0", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "pyridine-4-nitro-l-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine-4-nitro-l-oxide", "source_quote": "500/10,000 | 1124-33-0 | Pyridine, 4-Nitro-,l-Oxide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pyridine, 4-Nitro-,l-Oxide", "title": "Pyridine, 4-Nitro-,l-Oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyridine\n\n**CAS No.:** 110-86-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U196\n\n**Regulatory categories:** 4\n\n> Pyridine | 110-86-1 | 4 | U196 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "110-86-1", "cercla_rq_lbs": "1000", "file": "pyridine.md", "generated": true, "harvested": "2026-08-05", "id": "pyridine", "rcra_waste_number": "U196", "regulatory_categories": "4", "source_quote": "Pyridine | 110-86-1 | 4 | U196 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyridine", "title": "Pyridine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyriminil\n\n**CAS No.:** 53558-25-1\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 53558-25-1 | Pyriminil | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "53558-25-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "pyriminil.md", "generated": true, "harvested": "2026-08-05", "id": "pyriminil", "source_quote": "53558-25-1 | Pyriminil | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Pyriminil", "title": "Pyriminil \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyrrolidine, 1-nitroso-\n\n**CAS No.:** 930-55-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U180\n\n**Regulatory categories:** 4\n\n> Pyrrolidine, 1-nitroso- | 930-55-2 | 4 | U180 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "930-55-2", "cercla_rq_lbs": "1", "file": "pyrrolidine-1-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "pyrrolidine-1-nitroso", "rcra_waste_number": "U180", "regulatory_categories": "4", "source_quote": "Pyrrolidine, 1-nitroso- | 930-55-2 | 4 | U180 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyrrolidine, 1-nitroso-", "title": "Pyrrolidine, 1-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)-\n\n**CAS No.:** 57-47-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P204\n\n**Regulatory categories:** 4\n\n> Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- | 57-47-6 | 4 | P204 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-47-6", "cercla_rq_lbs": "100", "file": "pyrrolo-2-3-b-indol-5-ol-1-2-3-3a-8-8a-hexahydro-1-3a-8-trimethyl-methylcarbamat.md", "generated": true, "harvested": "2026-08-05", "id": "pyrrolo-2-3-b-indol-5-ol-1-2-3-3a-8-8a-hexahydro-1-3a-8-trimethyl-methylcarbamat", "rcra_waste_number": "P204", "regulatory_categories": "4", "source_quote": "Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- | 57-47-6 | 4 | P204 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)-", "title": "Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Quinoline\n\n**CAS No.:** 91-22-5\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1,3\n\n> Quinoline | 91-22-5 | 1,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "91-22-5", "cercla_rq_lbs": "5000", "file": "quinoline.md", "generated": true, "harvested": "2026-08-05", "id": "quinoline", "regulatory_categories": "1,3", "source_quote": "Quinoline | 91-22-5 | 1,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Quinoline", "title": "Quinoline \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Quinone\n\n**CAS No.:** 106-51-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U197\n\n**Regulatory categories:** 3,4\n\n> Quinone | 106-51-4 | 3,4 | U197 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "106-51-4", "cercla_rq_lbs": "10", "file": "quinone.md", "generated": true, "harvested": "2026-08-05", "id": "quinone", "rcra_waste_number": "U197", "regulatory_categories": "3,4", "source_quote": "Quinone | 106-51-4 | 3,4 | U197 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Quinone", "title": "Quinone \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Quintobenzene\n\n**CAS No.:** 82-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U185\n\n**Regulatory categories:** 3,4\n\n> Quintobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "82-68-8", "cercla_rq_lbs": "100", "file": "quintobenzene.md", "generated": true, "harvested": "2026-08-05", "id": "quintobenzene", "rcra_waste_number": "U185", "regulatory_categories": "3,4", "source_quote": "Quintobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Quintobenzene", "title": "Quintobenzene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Reserpine\n\n**CAS No.:** 50-55-5\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U200\n\n**Regulatory categories:** 4\n\n> Reserpine | 50-55-5 | 4 | U200 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "50-55-5", "cercla_rq_lbs": "5000", "file": "reserpine.md", "generated": true, "harvested": "2026-08-05", "id": "reserpine", "rcra_waste_number": "U200", "regulatory_categories": "4", "source_quote": "Reserpine | 50-55-5 | 4 | U200 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Reserpine", "title": "Reserpine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Resorcinol\n\n**CAS No.:** 108-46-3\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U201\n\n**Regulatory categories:** 1,4\n\n> Resorcinol | 108-46-3 | 1,4 | U201 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-46-3", "cercla_rq_lbs": "5000", "file": "resorcinol.md", "generated": true, "harvested": "2026-08-05", "id": "resorcinol", "rcra_waste_number": "U201", "regulatory_categories": "1,4", "source_quote": "Resorcinol | 108-46-3 | 1,4 | U201 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Resorcinol", "title": "Resorcinol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Safrole\n\n**CAS No.:** 94-59-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U203\n\n**Regulatory categories:** 4\n\n> Safrole | 94-59-7 | 4 | U203 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "94-59-7", "cercla_rq_lbs": "100", "file": "safrole.md", "generated": true, "harvested": "2026-08-05", "id": "safrole", "rcra_waste_number": "U203", "regulatory_categories": "4", "source_quote": "Safrole | 94-59-7 | 4 | U203 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Safrole", "title": "Safrole \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Salcomine\n\n**CAS No.:** 14167-18-1\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 14167-18-1 | Salcomine | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "14167-18-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "salcomine.md", "generated": true, "harvested": "2026-08-05", "id": "salcomine", "source_quote": "14167-18-1 | Salcomine | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Salcomine", "title": "Salcomine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sarin\n\n**CAS No.:** 107-44-8\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 107-44-8 | Sarin | d | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-44-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "sarin.md", "generated": true, "harvested": "2026-08-05", "id": "sarin", "source_quote": "107-44-8 | Sarin | d | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sarin", "title": "Sarin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** sec-Amyl acetate\n\n**CAS No.:** 626-38-0\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> sec-Amyl acetate | 626-38-0 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "626-38-0", "cercla_rq_lbs": "5000", "file": "sec-amyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "sec-amyl-acetate", "regulatory_categories": "1", "source_quote": "sec-Amyl acetate | 626-38-0 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "sec-Amyl acetate", "title": "sec-Amyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** sec-Butyl acetate\n\n**CAS No.:** 105-46-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> sec-Butyl acetate | 105-46-4 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "105-46-4", "cercla_rq_lbs": "5000", "file": "sec-butyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "sec-butyl-acetate", "regulatory_categories": "1", "source_quote": "sec-Butyl acetate | 105-46-4 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "sec-Butyl acetate", "title": "sec-Butyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenious Acid\n\n**CAS No.:** 7783-00-8\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 7783-00-8 | Selenious Acid | | 10 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-00-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "1,000/10,000", "file": "selenious-acid-2.md", "generated": true, "harvested": "2026-08-05", "id": "selenious-acid-2", "source_quote": "10 | 7783-00-8 | Selenious Acid | | 10 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Selenious Acid", "title": "Selenious Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenious acid, dithallium (1 +) salt\n\n**CAS No.:** 12039-52-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P114\n\n**Regulatory categories:** 4\n\n> Selenious acid, dithallium (1 +) salt | 12039-52-0 | 4 | P114 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12039-52-0", "cercla_rq_lbs": "1000", "file": "selenious-acid-dithallium-1-salt.md", "generated": true, "harvested": "2026-08-05", "id": "selenious-acid-dithallium-1-salt", "rcra_waste_number": "P114", "regulatory_categories": "4", "source_quote": "Selenious acid, dithallium (1 +) salt | 12039-52-0 | 4 | P114 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenious acid, dithallium (1 +) salt", "title": "Selenious acid, dithallium (1 +) salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenious acid\n\n**CAS No.:** 7783-00-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U204\n\n**Regulatory categories:** 4\n\n> Selenious acid | 7783-00-8 | 4 | U204 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-00-8", "cercla_rq_lbs": "10", "file": "selenious-acid.md", "generated": true, "harvested": "2026-08-05", "id": "selenious-acid", "rcra_waste_number": "U204", "regulatory_categories": "4", "source_quote": "Selenious acid | 7783-00-8 | 4 | U204 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenious acid", "title": "Selenious acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenium dioxide\n\n**CAS No.:** 7746-08-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U204\n\n**Regulatory categories:** 1,4\n\n> Selenium dioxide | 7746-08-4 | 1,4 | U204 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7746-08-4", "cercla_rq_lbs": "10", "file": "selenium-dioxide.md", "generated": true, "harvested": "2026-08-05", "id": "selenium-dioxide", "rcra_waste_number": "U204", "regulatory_categories": "1,4", "source_quote": "Selenium dioxide | 7746-08-4 | 1,4 | U204 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenium dioxide", "title": "Selenium dioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenium III\n\n**CAS No.:** 7782-49-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 2\n\n> Selenium III | 7782-49-2 | 2 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7782-49-2", "cercla_rq_lbs": "100", "file": "selenium-iii.md", "generated": true, "harvested": "2026-08-05", "id": "selenium-iii", "regulatory_categories": "2", "source_quote": "Selenium III | 7782-49-2 | 2 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenium III", "title": "Selenium III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenium oxide\n\n**CAS No.:** 7746-08-4\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Selenium oxide | 7746-08-4 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7746-08-4", "cercla_rq_lbs": "10", "file": "selenium-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "selenium-oxide", "regulatory_categories": "1", "source_quote": "Selenium oxide | 7746-08-4 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenium oxide", "title": "Selenium oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenium Oxychloride\n\n**CAS No.:** 7791-23-3\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 7791-23-3 | Selenium Oxychloride | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7791-23-3", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "selenium-oxychloride.md", "generated": true, "harvested": "2026-08-05", "id": "selenium-oxychloride", "source_quote": "7791-23-3 | Selenium Oxychloride | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Selenium Oxychloride", "title": "Selenium Oxychloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenium sulfide SeS2\n\n**CAS No.:** 7488-56-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U205\n\n**Regulatory categories:** 4\n\n> Selenium sulfide SeS2 | 7488-56-4 | 4 | U205 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7488-56-4", "cercla_rq_lbs": "10", "file": "selenium-sulfide-ses2.md", "generated": true, "harvested": "2026-08-05", "id": "selenium-sulfide-ses2", "rcra_waste_number": "U205", "regulatory_categories": "4", "source_quote": "Selenium sulfide SeS2 | 7488-56-4 | 4 | U205 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenium sulfide SeS2", "title": "Selenium sulfide SeS2 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Selenourea\n\n**CAS No.:** 630-10-4\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P103\n\n**Regulatory categories:** 4\n\n> Selenourea | 630-10-4 | 4 | P103 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "630-10-4", "cercla_rq_lbs": "1000", "file": "selenourea.md", "generated": true, "harvested": "2026-08-05", "id": "selenourea", "rcra_waste_number": "P103", "regulatory_categories": "4", "source_quote": "Selenourea | 630-10-4 | 4 | P103 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Selenourea", "title": "Selenourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Semicarbazide Hydrochloride\n\n**CAS No.:** 563-41-7\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 563-41-7 | Semicarbazide Hydrochloride | | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "563-41-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "semicarbazide-hydrochloride.md", "generated": true, "harvested": "2026-08-05", "id": "semicarbazide-hydrochloride", "source_quote": "563-41-7 | Semicarbazide Hydrochloride | | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Semicarbazide Hydrochloride", "title": "Semicarbazide Hydrochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Silane, (4-Aminobutyl)Diethoxymethyl-\n\n**CAS No.:** 3037-72-7\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1,000/10,000 | 3037-72-7 | Silane, (4-Aminobutyl)Diethoxymethyl- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3037-72-7", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "silane-4-aminobutyl-diethoxymethyl.md", "generated": true, "harvested": "2026-08-05", "id": "silane-4-aminobutyl-diethoxymethyl", "source_quote": "1,000/10,000 | 3037-72-7 | Silane, (4-Aminobutyl)Diethoxymethyl- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Silane, (4-Aminobutyl)Diethoxymethyl-", "title": "Silane, (4-Aminobutyl)Diethoxymethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Silver cyanide Ag(CN)\n\n**CAS No.:** 506-64-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P104\n\n**Regulatory categories:** 4\n\n> Silver cyanide Ag(CN) | 506-64-9 | 4 | P104 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "506-64-9", "cercla_rq_lbs": "1", "file": "silver-cyanide-ag-cn.md", "generated": true, "harvested": "2026-08-05", "id": "silver-cyanide-ag-cn", "rcra_waste_number": "P104", "regulatory_categories": "4", "source_quote": "Silver cyanide Ag(CN) | 506-64-9 | 4 | P104 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Silver cyanide Ag(CN)", "title": "Silver cyanide Ag(CN) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Silver III\n\n**CAS No.:** 7440-22-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 2\n\n> Silver III | 7440-22-4 | 2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-22-4", "cercla_rq_lbs": "1000", "file": "silver-iii.md", "generated": true, "harvested": "2026-08-05", "id": "silver-iii", "regulatory_categories": "2", "source_quote": "Silver III | 7440-22-4 | 2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Silver III", "title": "Silver III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Silver nitrate\n\n**CAS No.:** 7761-88-8\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Silver nitrate | 7761-88-8 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7761-88-8", "cercla_rq_lbs": "1", "file": "silver-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "silver-nitrate", "regulatory_categories": "1", "source_quote": "Silver nitrate | 7761-88-8 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Silver nitrate", "title": "Silver nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Silvex (2,4,5-TP)\n\n**CAS No.:** 93-72-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** See F027\n\n**Regulatory categories:** 1,4\n\n> Silvex (2,4,5-TP) | 93-72-1 | 1,4 | See F027 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "93-72-1", "cercla_rq_lbs": "100", "file": "silvex-2-4-5-tp.md", "generated": true, "harvested": "2026-08-05", "id": "silvex-2-4-5-tp", "rcra_waste_number": "See F027", "regulatory_categories": "1,4", "source_quote": "Silvex (2,4,5-TP) | 93-72-1 | 1,4 | See F027 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Silvex (2,4,5-TP)", "title": "Silvex (2,4,5-TP) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Arsenate\n\n**CAS No.:** 7631-89-2\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 7631-89-2 | Sodium Arsenate | | 1 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7631-89-2", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "1,000/10,000", "file": "sodium-arsenate-2.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-arsenate-2", "source_quote": "7631-89-2 | Sodium Arsenate | | 1 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Arsenate", "title": "Sodium Arsenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium arsenate\n\n**CAS No.:** 7631-89-2\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Sodium arsenate | 7631-89-2 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7631-89-2", "cercla_rq_lbs": "1", "file": "sodium-arsenate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-arsenate", "regulatory_categories": "1", "source_quote": "Sodium arsenate | 7631-89-2 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium arsenate", "title": "Sodium arsenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Arsenite\n\n**CAS No.:** 7784-46-5\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 1\n\n> 7784-46-5 | Sodium Arsenite | | 1 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7784-46-5", "epcra_rq_lbs": "1", "epcra_tpq_lbs": "500/10,000", "file": "sodium-arsenite-2.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-arsenite-2", "source_quote": "7784-46-5 | Sodium Arsenite | | 1 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Arsenite", "title": "Sodium Arsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium arsenite\n\n**CAS No.:** 7784-46-5\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 1\n\n> Sodium arsenite | 7784-46-5 | 1 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7784-46-5", "cercla_rq_lbs": "1", "file": "sodium-arsenite.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-arsenite", "regulatory_categories": "1", "source_quote": "Sodium arsenite | 7784-46-5 | 1 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium arsenite", "title": "Sodium arsenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Azide (Na(N 3 ))\n\n**CAS No.:** 26628-22-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 1,000\n\n> 500/10,000 | 26628-22-8 | Sodium Azide (Na(N 3 )) | a | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "26628-22-8", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "500", "file": "sodium-azide-na-n-3.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-azide-na-n-3", "source_quote": "500/10,000 | 26628-22-8 | Sodium Azide (Na(N 3 )) | a | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Azide (Na(N 3 ))", "title": "Sodium Azide (Na(N 3 )) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium azide\n\n**CAS No.:** 26628-22-8\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P105\n\n**Regulatory categories:** 4\n\n> Sodium azide | 26628-22-8 | 4 | P105 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26628-22-8", "cercla_rq_lbs": "1000", "file": "sodium-azide.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-azide", "rcra_waste_number": "P105", "regulatory_categories": "4", "source_quote": "Sodium azide | 26628-22-8 | 4 | P105 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium azide", "title": "Sodium azide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium bichromate\n\n**CAS No.:** 10588-01-9\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Sodium bichromate | 10588-01-9 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10588-01-9", "cercla_rq_lbs": "10", "file": "sodium-bichromate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-bichromate", "regulatory_categories": "1", "source_quote": "Sodium bichromate | 10588-01-9 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium bichromate", "title": "Sodium bichromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium bifluoride\n\n**CAS No.:** 1333-83-1\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Sodium bifluoride | 1333-83-1 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1333-83-1", "cercla_rq_lbs": "100", "file": "sodium-bifluoride.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-bifluoride", "regulatory_categories": "1", "source_quote": "Sodium bifluoride | 1333-83-1 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium bifluoride", "title": "Sodium bifluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium bisulfite\n\n**CAS No.:** 7631-90-5\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Sodium bisulfite | 7631-90-5 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7631-90-5", "cercla_rq_lbs": "5000", "file": "sodium-bisulfite.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-bisulfite", "regulatory_categories": "1", "source_quote": "Sodium bisulfite | 7631-90-5 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium bisulfite", "title": "Sodium bisulfite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Cacodylate\n\n**CAS No.:** 124-65-2\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 124-65-2 | Sodium Cacodylate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "124-65-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "sodium-cacodylate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-cacodylate", "source_quote": "124-65-2 | Sodium Cacodylate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Cacodylate", "title": "Sodium Cacodylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium chromate\n\n**CAS No.:** 7775-11-3\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Sodium chromate | 7775-11-3 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7775-11-3", "cercla_rq_lbs": "10", "file": "sodium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-chromate", "regulatory_categories": "1", "source_quote": "Sodium chromate | 7775-11-3 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium chromate", "title": "Sodium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Cyanide (Na(CN))\n\n**CAS No.:** 143-33-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 100/10,000 | 143-33-9 | Sodium Cyanide (Na(CN)) |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "143-33-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "sodium-cyanide-na-cn-2.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-cyanide-na-cn-2", "source_quote": "100/10,000 | 143-33-9 | Sodium Cyanide (Na(CN)) |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Cyanide (Na(CN))", "title": "Sodium Cyanide (Na(CN)) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium cyanide Na(CN)\n\n**CAS No.:** 143-33-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P106\n\n**Regulatory categories:** 1,4\n\n> Sodium cyanide Na(CN) | 143-33-9 | 1,4 | P106 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "143-33-9", "cercla_rq_lbs": "10", "file": "sodium-cyanide-na-cn.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-cyanide-na-cn", "rcra_waste_number": "P106", "regulatory_categories": "1,4", "source_quote": "Sodium cyanide Na(CN) | 143-33-9 | 1,4 | P106 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium cyanide Na(CN)", "title": "Sodium cyanide Na(CN) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium dodecylbenzenesulfonate\n\n**CAS No.:** 25155-30-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Sodium dodecylbenzenesulfonate | 25155-30-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25155-30-0", "cercla_rq_lbs": "1000", "file": "sodium-dodecylbenzenesulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-dodecylbenzenesulfonate", "regulatory_categories": "1", "source_quote": "Sodium dodecylbenzenesulfonate | 25155-30-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium dodecylbenzenesulfonate", "title": "Sodium dodecylbenzenesulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium fluoride\n\n**CAS No.:** 7681-49-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Sodium fluoride | 7681-49-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7681-49-4", "cercla_rq_lbs": "1000", "file": "sodium-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-fluoride", "regulatory_categories": "1", "source_quote": "Sodium fluoride | 7681-49-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium fluoride", "title": "Sodium fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Fluoroacetate\n\n**CAS No.:** 62-74-8\n\n**EPCRA TPQ (lbs):** 10/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 10 | 100 | 62-74-8 | Sodium Fluoroacetate | | 10 | 10/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "62-74-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10/10,000", "file": "sodium-fluoroacetate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-fluoroacetate", "source_quote": "10 | 100 | 62-74-8 | Sodium Fluoroacetate | | 10 | 10/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Fluoroacetate", "title": "Sodium Fluoroacetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium hydrosulfide\n\n**CAS No.:** 16721-80-5\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Sodium hydrosulfide | 16721-80-5 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16721-80-5", "cercla_rq_lbs": "5000", "file": "sodium-hydrosulfide.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-hydrosulfide", "regulatory_categories": "1", "source_quote": "Sodium hydrosulfide | 16721-80-5 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium hydrosulfide", "title": "Sodium hydrosulfide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium hydroxide\n\n**CAS No.:** 1310-73-2\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Sodium hydroxide | 1310-73-2 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1310-73-2", "cercla_rq_lbs": "1000", "file": "sodium-hydroxide.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-hydroxide", "regulatory_categories": "1", "source_quote": "Sodium hydroxide | 1310-73-2 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium hydroxide", "title": "Sodium hydroxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium methylate\n\n**CAS No.:** 124-41-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Sodium methylate | 124-41-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "124-41-4", "cercla_rq_lbs": "1000", "file": "sodium-methylate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-methylate", "regulatory_categories": "1", "source_quote": "Sodium methylate | 124-41-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium methylate", "title": "Sodium methylate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium nitrite\n\n**CAS No.:** 7632-00-0\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Sodium nitrite | 7632-00-0 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7632-00-0", "cercla_rq_lbs": "100", "file": "sodium-nitrite.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-nitrite", "regulatory_categories": "1", "source_quote": "Sodium nitrite | 7632-00-0 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium nitrite", "title": "Sodium nitrite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Selenate\n\n**CAS No.:** 13410-01-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 13410-01-0 | Sodium Selenate | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13410-01-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "sodium-selenate.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-selenate", "source_quote": "13410-01-0 | Sodium Selenate | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Selenate", "title": "Sodium Selenate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Selenite\n\n**CAS No.:** 10102-18-8\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 10102-18-8 | Sodium Selenite | d | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10102-18-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "sodium-selenite.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-selenite", "source_quote": "100/10,000 | 10102-18-8 | Sodium Selenite | d | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Selenite", "title": "Sodium Selenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium Tellurite\n\n**CAS No.:** 10102-20-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 10102-20-2 | Sodium Tellurite | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10102-20-2", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "sodium-tellurite.md", "generated": true, "harvested": "2026-08-05", "id": "sodium-tellurite", "source_quote": "10102-20-2 | Sodium Tellurite | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sodium Tellurite", "title": "Sodium Tellurite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sodium\n\n**CAS No.:** 7440-23-5\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Sodium | 7440-23-5 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-23-5", "cercla_rq_lbs": "10", "file": "sodium.md", "generated": true, "harvested": "2026-08-05", "id": "sodium", "regulatory_categories": "1", "source_quote": "Sodium | 7440-23-5 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sodium", "title": "Sodium \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Stannane, Acetoxytriphenyl-\n\n**CAS No.:** 900-95-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 900-95-8 | Stannane, Acetoxytriphenyl- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "900-95-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "stannane-acetoxytriphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "stannane-acetoxytriphenyl", "source_quote": "500/10,000 | 900-95-8 | Stannane, Acetoxytriphenyl- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Stannane, Acetoxytriphenyl-", "title": "Stannane, Acetoxytriphenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Streptozotocin\n\n**CAS No.:** 18883-66-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U206\n\n**Regulatory categories:** 4\n\n> Streptozotocin | 18883-66-4 | 4 | U206 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "18883-66-4", "cercla_rq_lbs": "1", "file": "streptozotocin.md", "generated": true, "harvested": "2026-08-05", "id": "streptozotocin", "rcra_waste_number": "U206", "regulatory_categories": "4", "source_quote": "Streptozotocin | 18883-66-4 | 4 | U206 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Streptozotocin", "title": "Streptozotocin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strontium chromate\n\n**CAS No.:** 7789-06-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1\n\n> Strontium chromate | 7789-06-2 | 1 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7789-06-2", "cercla_rq_lbs": "10", "file": "strontium-chromate.md", "generated": true, "harvested": "2026-08-05", "id": "strontium-chromate", "regulatory_categories": "1", "source_quote": "Strontium chromate | 7789-06-2 | 1 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Strontium chromate", "title": "Strontium chromate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strychnidin-10-one, 2,3-dimethoxy-\n\n**CAS No.:** 357-57-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P018\n\n**Regulatory categories:** 4\n\n> Strychnidin-10-one, 2,3-dimethoxy- | 357-57-3 | 4 | P018 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "357-57-3", "cercla_rq_lbs": "100", "file": "strychnidin-10-one-2-3-dimethoxy.md", "generated": true, "harvested": "2026-08-05", "id": "strychnidin-10-one-2-3-dimethoxy", "rcra_waste_number": "P018", "regulatory_categories": "4", "source_quote": "Strychnidin-10-one, 2,3-dimethoxy- | 357-57-3 | 4 | P018 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Strychnidin-10-one, 2,3-dimethoxy-", "title": "Strychnidin-10-one, 2,3-dimethoxy- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strychnidin-10-one, & salts\n\n**CAS No.:** 57-24-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P108\n\n**Regulatory categories:** 1,4\n\n> Strychnidin-10-one, & salts | 57-24-9 | 1,4 | P108 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-24-9", "cercla_rq_lbs": "10", "file": "strychnidin-10-one-salts.md", "generated": true, "harvested": "2026-08-05", "id": "strychnidin-10-one-salts", "rcra_waste_number": "P108", "regulatory_categories": "1,4", "source_quote": "Strychnidin-10-one, & salts | 57-24-9 | 1,4 | P108 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Strychnidin-10-one, & salts", "title": "Strychnidin-10-one, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strychnine, & salts\n\n**CAS No.:** 57-24-9\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P108\n\n**Regulatory categories:** 1,4\n\n> Strychnine, & salts | 57-24-9 | 1,4 | P108 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "57-24-9", "cercla_rq_lbs": "10", "file": "strychnine-salts.md", "generated": true, "harvested": "2026-08-05", "id": "strychnine-salts", "rcra_waste_number": "P108", "regulatory_categories": "1,4", "source_quote": "Strychnine, & salts | 57-24-9 | 1,4 | P108 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Strychnine, & salts", "title": "Strychnine, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strychnine Sulfate\n\n**CAS No.:** 60-41-3\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 100/10,000 | 60-41-3 | Strychnine Sulfate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "60-41-3", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100/10,000", "file": "strychnine-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "strychnine-sulfate", "source_quote": "100/10,000 | 60-41-3 | Strychnine Sulfate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Strychnine Sulfate", "title": "Strychnine Sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Strychnine\n\n**CAS No.:** 57-24-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 10\n\n> 57-24-9 | Strychnine | b | 10 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "57-24-9", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100/10,000", "file": "strychnine.md", "generated": true, "harvested": "2026-08-05", "id": "strychnine", "source_quote": "57-24-9 | Strychnine | b | 10 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Strychnine", "title": "Strychnine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Styrene oxide\n\n**CAS No.:** 96-09-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Styrene oxide | 96-09-3 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "96-09-3", "cercla_rq_lbs": "100", "file": "styrene-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "styrene-oxide", "regulatory_categories": "3", "source_quote": "Styrene oxide | 96-09-3 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Styrene oxide", "title": "Styrene oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Styrene\n\n**CAS No.:** 100-42-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1,3\n\n> Styrene | 100-42-5 | 1,3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "100-42-5", "cercla_rq_lbs": "1000", "file": "styrene.md", "generated": true, "harvested": "2026-08-05", "id": "styrene", "regulatory_categories": "1,3", "source_quote": "Styrene | 100-42-5 | 1,3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Styrene", "title": "Styrene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfotep\n\n**CAS No.:** 3689-24-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 3689-24-5 | Sulfotep | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3689-24-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "sulfotep.md", "generated": true, "harvested": "2026-08-05", "id": "sulfotep", "source_quote": "3689-24-5 | Sulfotep | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfotep", "title": "Sulfotep \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfoxide, 3-Chloropropyl Octyl\n\n**CAS No.:** 3569-57-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 3569-57-1 | Sulfoxide, 3-Chloropropyl Octyl |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "3569-57-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "sulfoxide-3-chloropropyl-octyl.md", "generated": true, "harvested": "2026-08-05", "id": "sulfoxide-3-chloropropyl-octyl", "source_quote": "500 | 3569-57-1 | Sulfoxide, 3-Chloropropyl Octyl |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfoxide, 3-Chloropropyl Octyl", "title": "Sulfoxide, 3-Chloropropyl Octyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfur Dioxide\n\n**CAS No.:** 7446-09-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 7446-09-5 | Sulfur Dioxide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7446-09-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "sulfur-dioxide.md", "generated": true, "harvested": "2026-08-05", "id": "sulfur-dioxide", "source_quote": "500 | 7446-09-5 | Sulfur Dioxide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfur Dioxide", "title": "Sulfur Dioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfur monochloride\n\n**CAS No.:** 12771-08-3\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Sulfur monochloride | 12771-08-3 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12771-08-3", "cercla_rq_lbs": "1000", "file": "sulfur-monochloride.md", "generated": true, "harvested": "2026-08-05", "id": "sulfur-monochloride", "regulatory_categories": "1", "source_quote": "Sulfur monochloride | 12771-08-3 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sulfur monochloride", "title": "Sulfur monochloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfur phosphide\n\n**CAS No.:** 1314-80-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U189\n\n**Regulatory categories:** 1,4\n\n> Sulfur phosphide | 1314-80-3 | 1,4 | U189 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-80-3", "cercla_rq_lbs": "100", "file": "sulfur-phosphide.md", "generated": true, "harvested": "2026-08-05", "id": "sulfur-phosphide", "rcra_waste_number": "U189", "regulatory_categories": "1,4", "source_quote": "Sulfur phosphide | 1314-80-3 | 1,4 | U189 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sulfur phosphide", "title": "Sulfur phosphide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfur Tetrafluoride\n\n**CAS No.:** 7783-60-0\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 7783-60-0 | Sulfur Tetrafluoride | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-60-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "sulfur-tetrafluoride.md", "generated": true, "harvested": "2026-08-05", "id": "sulfur-tetrafluoride", "source_quote": "7783-60-0 | Sulfur Tetrafluoride | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfur Tetrafluoride", "title": "Sulfur Tetrafluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfur Trioxide\n\n**CAS No.:** 7446-11-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 7446-11-9 | Sulfur Trioxide |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7446-11-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "sulfur-trioxide.md", "generated": true, "harvested": "2026-08-05", "id": "sulfur-trioxide", "source_quote": "100 | 7446-11-9 | Sulfur Trioxide |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfur Trioxide", "title": "Sulfur Trioxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfuric acid, dimethyl ester\n\n**CAS No.:** 77-78-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U103\n\n**Regulatory categories:** 3,4\n\n> Sulfuric acid, dimethyl ester | 77-78-1 | 3,4 | U103 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "77-78-1", "cercla_rq_lbs": "100", "file": "sulfuric-acid-dimethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "sulfuric-acid-dimethyl-ester", "rcra_waste_number": "U103", "regulatory_categories": "3,4", "source_quote": "Sulfuric acid, dimethyl ester | 77-78-1 | 3,4 | U103 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Sulfuric acid, dimethyl ester", "title": "Sulfuric acid, dimethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Sulfuric Acid\n\n**CAS No.:** 7664-93-9\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 7664-93-9 | Sulfuric Acid | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7664-93-9", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "sulfuric-acid.md", "generated": true, "harvested": "2026-08-05", "id": "sulfuric-acid", "source_quote": "7664-93-9 | Sulfuric Acid | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Sulfuric Acid", "title": "Sulfuric Acid \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tabun\n\n**CAS No.:** 77-81-6\n\n**EPCRA TPQ (lbs):** 10\n\n**EPCRA RQ (lbs):** 10\n\n> 77-81-6 | Tabun | b, d | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "77-81-6", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "10", "file": "tabun.md", "generated": true, "harvested": "2026-08-05", "id": "tabun", "source_quote": "77-81-6 | Tabun | b, d | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tabun", "title": "Tabun \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** TCDD\n\n**CAS No.:** 1746-01-6\n\n**CERCLA RQ (lbs):** 1\n\n**Regulatory categories:** 2,3\n\n> TCDD | 1746-01-6 | 2,3 | | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1746-01-6", "cercla_rq_lbs": "1", "file": "tcdd.md", "generated": true, "harvested": "2026-08-05", "id": "tcdd", "regulatory_categories": "2,3", "source_quote": "TCDD | 1746-01-6 | 2,3 | | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "TCDD", "title": "TCDD \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** TDE\n\n**CAS No.:** 72-54-8\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U060\n\n**Regulatory categories:** 1,2,4\n\n> TDE | 72-54-8 | 1,2,4 | U060 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-54-8", "cercla_rq_lbs": "1", "file": "tde.md", "generated": true, "harvested": "2026-08-05", "id": "tde", "rcra_waste_number": "U060", "regulatory_categories": "1,2,4", "source_quote": "TDE | 72-54-8 | 1,2,4 | U060 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "TDE", "title": "TDE \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tellurium Hexafluoride\n\n**CAS No.:** 7783-80-4\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 7783-80-4 | Tellurium Hexafluoride | e | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7783-80-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "tellurium-hexafluoride.md", "generated": true, "harvested": "2026-08-05", "id": "tellurium-hexafluoride", "source_quote": "7783-80-4 | Tellurium Hexafluoride | e | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tellurium Hexafluoride", "title": "Tellurium Hexafluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** TEPP\n\n**CAS No.:** 107-49-3\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 107-49-3 | TEPP | | 10 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "107-49-3", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "tepp.md", "generated": true, "harvested": "2026-08-05", "id": "tepp", "source_quote": "107-49-3 | TEPP | | 10 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "TEPP", "title": "TEPP \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Terbufos\n\n**CAS No.:** 13071-79-9\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 13071-79-9 | Terbufos | d | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "13071-79-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "terbufos.md", "generated": true, "harvested": "2026-08-05", "id": "terbufos", "source_quote": "13071-79-9 | Terbufos | d | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Terbufos", "title": "Terbufos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** tert-Amyl acetate\n\n**CAS No.:** 625-16-1\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> tert-Amyl acetate | 625-16-1 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "625-16-1", "cercla_rq_lbs": "5000", "file": "tert-amyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "tert-amyl-acetate", "regulatory_categories": "1", "source_quote": "tert-Amyl acetate | 625-16-1 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "tert-Amyl acetate", "title": "tert-Amyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** tert-Butyl acetate\n\n**CAS No.:** 540-88-5\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> tert-Butyl acetate | 540-88-5 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "540-88-5", "cercla_rq_lbs": "5000", "file": "tert-butyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "tert-butyl-acetate", "regulatory_categories": "1", "source_quote": "tert-Butyl acetate | 540-88-5 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "tert-Butyl acetate", "title": "tert-Butyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** tert-Butylamine\n\n**CAS No.:** 75-64-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> tert-Butylamine | 75-64-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-64-9", "cercla_rq_lbs": "1000", "file": "tert-butylamine.md", "generated": true, "harvested": "2026-08-05", "id": "tert-butylamine", "regulatory_categories": "1", "source_quote": "tert-Butylamine | 75-64-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "tert-Butylamine", "title": "tert-Butylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetrachloroethylene\n\n**CAS No.:** 127-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U210\n\n**Regulatory categories:** 2,3,4\n\n> Tetrachloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "127-18-4", "cercla_rq_lbs": "100", "file": "tetrachloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "tetrachloroethylene", "rcra_waste_number": "U210", "regulatory_categories": "2,3,4", "source_quote": "Tetrachloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetrachloroethylene", "title": "Tetrachloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraethyl lead\n\n**CAS No.:** 78-00-2\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P110\n\n**Regulatory categories:** 1,4\n\n> Tetraethyl lead | 78-00-2 | 1,4 | P110 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "78-00-2", "cercla_rq_lbs": "10", "file": "tetraethyl-lead.md", "generated": true, "harvested": "2026-08-05", "id": "tetraethyl-lead", "rcra_waste_number": "P110", "regulatory_categories": "1,4", "source_quote": "Tetraethyl lead | 78-00-2 | 1,4 | P110 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetraethyl lead", "title": "Tetraethyl lead \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraethyl pyrophosphate\n\n**CAS No.:** 107-49-3\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P111\n\n**Regulatory categories:** 1,4\n\n> Tetraethyl pyrophosphate | 107-49-3 | 1,4 | P111 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "107-49-3", "cercla_rq_lbs": "10", "file": "tetraethyl-pyrophosphate.md", "generated": true, "harvested": "2026-08-05", "id": "tetraethyl-pyrophosphate", "rcra_waste_number": "P111", "regulatory_categories": "1,4", "source_quote": "Tetraethyl pyrophosphate | 107-49-3 | 1,4 | P111 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetraethyl pyrophosphate", "title": "Tetraethyl pyrophosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraethyldithiopyrophosphate\n\n**CAS No.:** 3689-24-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P109\n\n**Regulatory categories:** 4\n\n> Tetraethyldithiopyrophosphate | 3689-24-5 | 4 | P109 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3689-24-5", "cercla_rq_lbs": "100", "file": "tetraethyldithiopyrophosphate.md", "generated": true, "harvested": "2026-08-05", "id": "tetraethyldithiopyrophosphate", "rcra_waste_number": "P109", "regulatory_categories": "4", "source_quote": "Tetraethyldithiopyrophosphate | 3689-24-5 | 4 | P109 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetraethyldithiopyrophosphate", "title": "Tetraethyldithiopyrophosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraethyllead\n\n**CAS No.:** 78-00-2\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 10\n\n> 100 | 78-00-2 | Tetraethyllead | b | 10 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "78-00-2", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "100", "file": "tetraethyllead.md", "generated": true, "harvested": "2026-08-05", "id": "tetraethyllead", "source_quote": "100 | 78-00-2 | Tetraethyllead | b | 10 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tetraethyllead", "title": "Tetraethyllead \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraethyltin\n\n**CAS No.:** 597-64-8\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 597-64-8 | Tetraethyltin |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "597-64-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "tetraethyltin.md", "generated": true, "harvested": "2026-08-05", "id": "tetraethyltin", "source_quote": "100 | 597-64-8 | Tetraethyltin |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tetraethyltin", "title": "Tetraethyltin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetrahydrofuran\n\n**CAS No.:** 109-99-9\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U213\n\n**Regulatory categories:** 4\n\n> Tetrahydrofuran | 109-99-9 | 4 | U213 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "109-99-9", "cercla_rq_lbs": "1000", "file": "tetrahydrofuran.md", "generated": true, "harvested": "2026-08-05", "id": "tetrahydrofuran", "rcra_waste_number": "U213", "regulatory_categories": "4", "source_quote": "Tetrahydrofuran | 109-99-9 | 4 | U213 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetrahydrofuran", "title": "Tetrahydrofuran \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetramethyllead\n\n**CAS No.:** 75-74-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 75-74-1 | Tetramethyllead |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-74-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "tetramethyllead.md", "generated": true, "harvested": "2026-08-05", "id": "tetramethyllead", "source_quote": "100 | 75-74-1 | Tetramethyllead |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tetramethyllead", "title": "Tetramethyllead \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetranitromethane\n\n**CAS No.:** 509-14-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 10\n\n> 509-14-8 | Tetranitromethane | | 10 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "509-14-8", "epcra_rq_lbs": "10", "epcra_tpq_lbs": "500", "file": "tetranitromethane-2.md", "generated": true, "harvested": "2026-08-05", "id": "tetranitromethane-2", "source_quote": "509-14-8 | Tetranitromethane | | 10 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tetranitromethane", "title": "Tetranitromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetranitromethane\n\n**CAS No.:** 509-14-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P112\n\n**Regulatory categories:** 4\n\n> Tetranitromethane | 509-14-8 | 4 | P112 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "509-14-8", "cercla_rq_lbs": "10", "file": "tetranitromethane.md", "generated": true, "harvested": "2026-08-05", "id": "tetranitromethane", "rcra_waste_number": "P112", "regulatory_categories": "4", "source_quote": "Tetranitromethane | 509-14-8 | 4 | P112 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetranitromethane", "title": "Tetranitromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tetraphosphoric acid, hexaethyl ester\n\n**CAS No.:** 757-58-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P062\n\n**Regulatory categories:** 4\n\n> Tetraphosphoric acid, hexaethyl ester | 757-58-4 | 4 | P062 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "757-58-4", "cercla_rq_lbs": "100", "file": "tetraphosphoric-acid-hexaethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "tetraphosphoric-acid-hexaethyl-ester", "rcra_waste_number": "P062", "regulatory_categories": "4", "source_quote": "Tetraphosphoric acid, hexaethyl ester | 757-58-4 | 4 | P062 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tetraphosphoric acid, hexaethyl ester", "title": "Tetraphosphoric acid, hexaethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallic oxide\n\n**CAS No.:** 1314-32-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P113\n\n**Regulatory categories:** 4\n\n> Thallic oxide | 1314-32-5 | 4 | P113 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-32-5", "cercla_rq_lbs": "100", "file": "thallic-oxide.md", "generated": true, "harvested": "2026-08-05", "id": "thallic-oxide", "rcra_waste_number": "P113", "regulatory_categories": "4", "source_quote": "Thallic oxide | 1314-32-5 | 4 | P113 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallic oxide", "title": "Thallic oxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium chloride TlCl\n\n**CAS No.:** 7791-12-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U216\n\n**Regulatory categories:** 4\n\n> Thallium chloride TlCl | 7791-12-0 | 4 | U216 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7791-12-0", "cercla_rq_lbs": "100", "file": "thallium-chloride-tlcl.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-chloride-tlcl", "rcra_waste_number": "U216", "regulatory_categories": "4", "source_quote": "Thallium chloride TlCl | 7791-12-0 | 4 | U216 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium chloride TlCl", "title": "Thallium chloride TlCl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium (I) acetate\n\n**CAS No.:** 563-68-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U214\n\n**Regulatory categories:** 4\n\n> Thallium (I) acetate | 563-68-8 | 4 | U214 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "563-68-8", "cercla_rq_lbs": "100", "file": "thallium-i-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-i-acetate", "rcra_waste_number": "U214", "regulatory_categories": "4", "source_quote": "Thallium (I) acetate | 563-68-8 | 4 | U214 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium (I) acetate", "title": "Thallium (I) acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium (I) carbonate\n\n**CAS No.:** 6533-73-9\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U215\n\n**Regulatory categories:** 4\n\n> Thallium (I) carbonate | 6533-73-9 | 4 | U215 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "6533-73-9", "cercla_rq_lbs": "100", "file": "thallium-i-carbonate.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-i-carbonate", "rcra_waste_number": "U215", "regulatory_categories": "4", "source_quote": "Thallium (I) carbonate | 6533-73-9 | 4 | U215 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium (I) carbonate", "title": "Thallium (I) carbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium (I) nitrate\n\n**CAS No.:** 10102-45-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U217\n\n**Regulatory categories:** 4\n\n> Thallium (I) nitrate | 10102-45-1 | 4 | U217 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10102-45-1", "cercla_rq_lbs": "100", "file": "thallium-i-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-i-nitrate", "rcra_waste_number": "U217", "regulatory_categories": "4", "source_quote": "Thallium (I) nitrate | 10102-45-1 | 4 | U217 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium (I) nitrate", "title": "Thallium (I) nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium III\n\n**CAS No.:** 7440-28-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 2\n\n> Thallium III | 7440-28-0 | 2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-28-0", "cercla_rq_lbs": "1000", "file": "thallium-iii.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-iii", "regulatory_categories": "2", "source_quote": "Thallium III | 7440-28-0 | 2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium III", "title": "Thallium III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium (l) selenite\n\n**CAS No.:** 12039-52-0\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P114\n\n**Regulatory categories:** 4\n\n> Thallium (l) selenite | 12039-52-0 | 4 | P114 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "12039-52-0", "cercla_rq_lbs": "1000", "file": "thallium-l-selenite.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-l-selenite", "rcra_waste_number": "P114", "regulatory_categories": "4", "source_quote": "Thallium (l) selenite | 12039-52-0 | 4 | P114 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium (l) selenite", "title": "Thallium (l) selenite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium oxide Tl2O3\n\n**CAS No.:** 1314-32-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P113\n\n**Regulatory categories:** 4\n\n> Thallium oxide Tl2O3 | 1314-32-5 | 4 | P113 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-32-5", "cercla_rq_lbs": "100", "file": "thallium-oxide-tl2o3.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-oxide-tl2o3", "rcra_waste_number": "P113", "regulatory_categories": "4", "source_quote": "Thallium oxide Tl2O3 | 1314-32-5 | 4 | P113 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thallium oxide Tl2O3", "title": "Thallium oxide Tl2O3 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallium Sulfate\n\n**CAS No.:** 10031-59-1\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 10031-59-1 | Thallium Sulfate | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "10031-59-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thallium-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "thallium-sulfate", "source_quote": "10031-59-1 | Thallium Sulfate | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thallium Sulfate", "title": "Thallium Sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallous Carbonate\n\n**CAS No.:** 6533-73-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 6533-73-9 | Thallous Carbonate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "6533-73-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thallous-carbonate.md", "generated": true, "harvested": "2026-08-05", "id": "thallous-carbonate", "source_quote": "100/10,000 | 6533-73-9 | Thallous Carbonate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thallous Carbonate", "title": "Thallous Carbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallous Chloride\n\n**CAS No.:** 7791-12-0\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 7791-12-0 | Thallous Chloride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7791-12-0", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thallous-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "thallous-chloride", "source_quote": "100/10,000 | 7791-12-0 | Thallous Chloride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thallous Chloride", "title": "Thallous Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallous Malonate\n\n**CAS No.:** 2757-18-8\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 2757-18-8 | Thallous Malonate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2757-18-8", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thallous-malonate.md", "generated": true, "harvested": "2026-08-05", "id": "thallous-malonate", "source_quote": "100/10,000 | 2757-18-8 | Thallous Malonate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thallous Malonate", "title": "Thallous Malonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thallous Sulfate\n\n**CAS No.:** 7446-18-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 7446-18-6 | Thallous Sulfate | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7446-18-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thallous-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "thallous-sulfate", "source_quote": "100/10,000 | 7446-18-6 | Thallous Sulfate | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thallous Sulfate", "title": "Thallous Sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thioacetamide\n\n**CAS No.:** 62-55-5\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U218\n\n**Regulatory categories:** 4\n\n> Thioacetamide | 62-55-5 | 4 | U218 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-55-5", "cercla_rq_lbs": "10", "file": "thioacetamide.md", "generated": true, "harvested": "2026-08-05", "id": "thioacetamide", "rcra_waste_number": "U218", "regulatory_categories": "4", "source_quote": "Thioacetamide | 62-55-5 | 4 | U218 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thioacetamide", "title": "Thioacetamide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiocarbazide\n\n**CAS No.:** 2231-57-4\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2231-57-4 | Thiocarbazide | | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2231-57-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "thiocarbazide.md", "generated": true, "harvested": "2026-08-05", "id": "thiocarbazide", "source_quote": "2231-57-4 | Thiocarbazide | | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiocarbazide", "title": "Thiocarbazide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiodicarb\n\n**CAS No.:** 59669-26-0\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U410\n\n**Regulatory categories:** 4\n\n> Thiodicarb | 59669-26-0 | 4 | U410 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "59669-26-0", "cercla_rq_lbs": "100", "file": "thiodicarb.md", "generated": true, "harvested": "2026-08-05", "id": "thiodicarb", "rcra_waste_number": "U410", "regulatory_categories": "4", "source_quote": "Thiodicarb | 59669-26-0 | 4 | U410 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiodicarb", "title": "Thiodicarb \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiodiphosphoric acid, tetraethyl ester\n\n**CAS No.:** 3689-24-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P109\n\n**Regulatory categories:** 4\n\n> Thiodiphosphoric acid, tetraethyl ester | 3689-24-5 | 4 | P109 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3689-24-5", "cercla_rq_lbs": "100", "file": "thiodiphosphoric-acid-tetraethyl-ester.md", "generated": true, "harvested": "2026-08-05", "id": "thiodiphosphoric-acid-tetraethyl-ester", "rcra_waste_number": "P109", "regulatory_categories": "4", "source_quote": "Thiodiphosphoric acid, tetraethyl ester | 3689-24-5 | 4 | P109 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiodiphosphoric acid, tetraethyl ester", "title": "Thiodiphosphoric acid, tetraethyl ester \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiofanox\n\n**CAS No.:** 39196-18-4\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 39196-18-4 | Thiofanox | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "39196-18-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thiofanox-2.md", "generated": true, "harvested": "2026-08-05", "id": "thiofanox-2", "source_quote": "39196-18-4 | Thiofanox | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiofanox", "title": "Thiofanox \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiofanox\n\n**CAS No.:** 39196-18-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P045\n\n**Regulatory categories:** 4\n\n> Thiofanox | 39196-18-4 | 4 | P045 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "39196-18-4", "cercla_rq_lbs": "100", "file": "thiofanox.md", "generated": true, "harvested": "2026-08-05", "id": "thiofanox", "rcra_waste_number": "P045", "regulatory_categories": "4", "source_quote": "Thiofanox | 39196-18-4 | 4 | P045 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiofanox", "title": "Thiofanox \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thioimidodicarbonic diamide [(H2N)C(S)] 2NH\n\n**CAS No.:** 541-53-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P049\n\n**Regulatory categories:** 4\n\n> Thioimidodicarbonic diamide [(H2N)C(S)] 2NH | 541-53-7 | 4 | P049 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-53-7", "cercla_rq_lbs": "100", "file": "thioimidodicarbonic-diamide-h2n-c-s-2nh.md", "generated": true, "harvested": "2026-08-05", "id": "thioimidodicarbonic-diamide-h2n-c-s-2nh", "rcra_waste_number": "P049", "regulatory_categories": "4", "source_quote": "Thioimidodicarbonic diamide [(H2N)C(S)] 2NH | 541-53-7 | 4 | P049 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thioimidodicarbonic diamide [(H2N)C(S)] 2NH", "title": "Thioimidodicarbonic diamide [(H2N)C(S)] 2NH \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiomethanol\n\n**CAS No.:** 74-93-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U153\n\n**Regulatory categories:** 1,4\n\n> Thiomethanol | 74-93-1 | 1,4 | U153 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "74-93-1", "cercla_rq_lbs": "100", "file": "thiomethanol.md", "generated": true, "harvested": "2026-08-05", "id": "thiomethanol", "rcra_waste_number": "U153", "regulatory_categories": "1,4", "source_quote": "Thiomethanol | 74-93-1 | 1,4 | U153 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiomethanol", "title": "Thiomethanol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thionazin\n\n**CAS No.:** 297-97-2\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 297-97-2 | Thionazin | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "297-97-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "thionazin.md", "generated": true, "harvested": "2026-08-05", "id": "thionazin", "source_quote": "297-97-2 | Thionazin | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thionazin", "title": "Thionazin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl-\n\n**CAS No.:** 137-26-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U244\n\n**Regulatory categories:** 4\n\n> Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl- | 137-26-8 | 4 | U244 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "137-26-8", "cercla_rq_lbs": "10", "file": "thioperoxydicarbonic-diamide-h2n-c-s-2s2-tetramethyl.md", "generated": true, "harvested": "2026-08-05", "id": "thioperoxydicarbonic-diamide-h2n-c-s-2s2-tetramethyl", "rcra_waste_number": "U244", "regulatory_categories": "4", "source_quote": "Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl- | 137-26-8 | 4 | U244 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl-", "title": "Thioperoxydicarbonic diamide [(H2N)C(S)] 2S2, tetramethyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiophanate-methyl\n\n**CAS No.:** 23564-05-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U409\n\n**Regulatory categories:** 4\n\n> Thiophanate-methyl | 23564-05-8 | 4 | U409 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "23564-05-8", "cercla_rq_lbs": "10", "file": "thiophanate-methyl.md", "generated": true, "harvested": "2026-08-05", "id": "thiophanate-methyl", "rcra_waste_number": "U409", "regulatory_categories": "4", "source_quote": "Thiophanate-methyl | 23564-05-8 | 4 | U409 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiophanate-methyl", "title": "Thiophanate-methyl \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiophenol\n\n**CAS No.:** 108-98-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 500 | 108-98-5 | Thiophenol | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "108-98-5", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "thiophenol-2.md", "generated": true, "harvested": "2026-08-05", "id": "thiophenol-2", "source_quote": "500 | 108-98-5 | Thiophenol | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiophenol", "title": "Thiophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiophenol\n\n**CAS No.:** 108-98-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P014\n\n**Regulatory categories:** 4\n\n> Thiophenol | 108-98-5 | 4 | P014 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-98-5", "cercla_rq_lbs": "100", "file": "thiophenol.md", "generated": true, "harvested": "2026-08-05", "id": "thiophenol", "rcra_waste_number": "P014", "regulatory_categories": "4", "source_quote": "Thiophenol | 108-98-5 | 4 | P014 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiophenol", "title": "Thiophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiosemicarbazide\n\n**CAS No.:** 79-19-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 500 | 79-19-6 | Thiosemicarbazide | | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "79-19-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thiosemicarbazide-2.md", "generated": true, "harvested": "2026-08-05", "id": "thiosemicarbazide-2", "source_quote": "100 | 500 | 79-19-6 | Thiosemicarbazide | | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiosemicarbazide", "title": "Thiosemicarbazide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiosemicarbazide\n\n**CAS No.:** 79-19-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P116\n\n**Regulatory categories:** 4\n\n> Thiosemicarbazide | 79-19-6 | 4 | P116 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-19-6", "cercla_rq_lbs": "100", "file": "thiosemicarbazide.md", "generated": true, "harvested": "2026-08-05", "id": "thiosemicarbazide", "rcra_waste_number": "P116", "regulatory_categories": "4", "source_quote": "Thiosemicarbazide | 79-19-6 | 4 | P116 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiosemicarbazide", "title": "Thiosemicarbazide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea, 1-naphthalenyl-\n\n**CAS No.:** 86-88-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P072\n\n**Regulatory categories:** 4\n\n> Thiourea, 1-naphthalenyl- | 86-88-4 | 4 | P072 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "86-88-4", "cercla_rq_lbs": "100", "file": "thiourea-1-naphthalenyl.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea-1-naphthalenyl", "rcra_waste_number": "P072", "regulatory_categories": "4", "source_quote": "Thiourea, 1-naphthalenyl- | 86-88-4 | 4 | P072 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiourea, 1-naphthalenyl-", "title": "Thiourea, 1-naphthalenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea, (2-Chlorophenyl)-\n\n**CAS No.:** 5344-82-1\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 5344-82-1 | Thiourea, (2-Chlorophenyl)- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "5344-82-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "thiourea-2-chlorophenyl-2.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea-2-chlorophenyl-2", "source_quote": "100/10,000 | 5344-82-1 | Thiourea, (2-Chlorophenyl)- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiourea, (2-Chlorophenyl)-", "title": "Thiourea, (2-Chlorophenyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea, (2-chlorophenyl)-\n\n**CAS No.:** 5344-82-1\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P026\n\n**Regulatory categories:** 4\n\n> Thiourea, (2-chlorophenyl)- | 5344-82-1 | 4 | P026 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "5344-82-1", "cercla_rq_lbs": "100", "file": "thiourea-2-chlorophenyl.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea-2-chlorophenyl", "rcra_waste_number": "P026", "regulatory_categories": "4", "source_quote": "Thiourea, (2-chlorophenyl)- | 5344-82-1 | 4 | P026 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiourea, (2-chlorophenyl)-", "title": "Thiourea, (2-chlorophenyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea, (2-Methylphenyl)-\n\n**CAS No.:** 614-78-8\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 614-78-8 | Thiourea, (2-Methylphenyl)- | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "614-78-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "thiourea-2-methylphenyl.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea-2-methylphenyl", "source_quote": "614-78-8 | Thiourea, (2-Methylphenyl)- | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Thiourea, (2-Methylphenyl)-", "title": "Thiourea, (2-Methylphenyl)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea, phenyl-\n\n**CAS No.:** 103-85-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P093\n\n**Regulatory categories:** 4\n\n> Thiourea, phenyl- | 103-85-5 | 4 | P093 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "103-85-5", "cercla_rq_lbs": "100", "file": "thiourea-phenyl.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea-phenyl", "rcra_waste_number": "P093", "regulatory_categories": "4", "source_quote": "Thiourea, phenyl- | 103-85-5 | 4 | P093 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiourea, phenyl-", "title": "Thiourea, phenyl- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiourea\n\n**CAS No.:** 62-56-6\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U219\n\n**Regulatory categories:** 4\n\n> Thiourea | 62-56-6 | 4 | U219 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "62-56-6", "cercla_rq_lbs": "10", "file": "thiourea.md", "generated": true, "harvested": "2026-08-05", "id": "thiourea", "rcra_waste_number": "U219", "regulatory_categories": "4", "source_quote": "Thiourea | 62-56-6 | 4 | U219 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiourea", "title": "Thiourea \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Thiram\n\n**CAS No.:** 137-26-8\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U244\n\n**Regulatory categories:** 4\n\n> Thiram | 137-26-8 | 4 | U244 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "137-26-8", "cercla_rq_lbs": "10", "file": "thiram.md", "generated": true, "harvested": "2026-08-05", "id": "thiram", "rcra_waste_number": "U244", "regulatory_categories": "4", "source_quote": "Thiram | 137-26-8 | 4 | U244 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Thiram", "title": "Thiram \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tirpate\n\n**CAS No.:** 26419-73-8\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P185\n\n**Regulatory categories:** 4\n\n> Tirpate | 26419-73-8 | 4 | P185 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "26419-73-8", "cercla_rq_lbs": "100", "file": "tirpate.md", "generated": true, "harvested": "2026-08-05", "id": "tirpate", "rcra_waste_number": "P185", "regulatory_categories": "4", "source_quote": "Tirpate | 26419-73-8 | 4 | P185 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tirpate", "title": "Tirpate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Titanium Tetrachloride\n\n**CAS No.:** 7550-45-0\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 1,000\n\n> 7550-45-0 | Titanium Tetrachloride | | 1,000 | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "7550-45-0", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "100", "file": "titanium-tetrachloride-2.md", "generated": true, "harvested": "2026-08-05", "id": "titanium-tetrachloride-2", "source_quote": "7550-45-0 | Titanium Tetrachloride | | 1,000 | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Titanium Tetrachloride", "title": "Titanium Tetrachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Titanium tetrachloride\n\n**CAS No.:** 7550-45-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 3\n\n> Titanium tetrachloride | 7550-45-0 | 3 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7550-45-0", "cercla_rq_lbs": "1000", "file": "titanium-tetrachloride.md", "generated": true, "harvested": "2026-08-05", "id": "titanium-tetrachloride", "regulatory_categories": "3", "source_quote": "Titanium tetrachloride | 7550-45-0 | 3 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Titanium tetrachloride", "title": "Titanium tetrachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Toluene 2,4-Diisocyanate\n\n**CAS No.:** 584-84-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 584-84-9 | Toluene 2,4-Diisocyanate | | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "584-84-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "toluene-2-4-diisocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "toluene-2-4-diisocyanate", "source_quote": "100 | 584-84-9 | Toluene 2,4-Diisocyanate | | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Toluene 2,4-Diisocyanate", "title": "Toluene 2,4-Diisocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Toluene 2,6-Diisocyanate\n\n**CAS No.:** 91-08-7\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 100 | 500 | 91-08-7 | Toluene 2,6-Diisocyanate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "91-08-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "toluene-2-6-diisocyanate.md", "generated": true, "harvested": "2026-08-05", "id": "toluene-2-6-diisocyanate", "source_quote": "100 | 500 | 91-08-7 | Toluene 2,6-Diisocyanate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Toluene 2,6-Diisocyanate", "title": "Toluene 2,6-Diisocyanate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Toluene\n\n**CAS No.:** 108-88-3\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** U220\n\n**Regulatory categories:** 1,2,3,4\n\n> Toluene | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-88-3", "cercla_rq_lbs": "1000", "file": "toluene.md", "generated": true, "harvested": "2026-08-05", "id": "toluene", "rcra_waste_number": "U220", "regulatory_categories": "1,2,3,4", "source_quote": "Toluene | 108-88-3 | 1,2,3,4 | U220 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Toluene", "title": "Toluene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Toxaphene\n\n**CAS No.:** 8001-35-2\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** P123\n\n**Regulatory categories:** 1,2,3,4\n\n> Toxaphene | 8001-35-2 | 1,2,3,4 | P123 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "8001-35-2", "cercla_rq_lbs": "1", "file": "toxaphene.md", "generated": true, "harvested": "2026-08-05", "id": "toxaphene", "rcra_waste_number": "P123", "regulatory_categories": "1,2,3,4", "source_quote": "Toxaphene | 8001-35-2 | 1,2,3,4 | P123 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Toxaphene", "title": "Toxaphene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trans-1,4-Dichlorobutene\n\n**CAS No.:** 110-57-6\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 110-57-6 | Trans-1,4-Dichlorobutene | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "110-57-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trans-1-4-dichlorobutene.md", "generated": true, "harvested": "2026-08-05", "id": "trans-1-4-dichlorobutene", "source_quote": "110-57-6 | Trans-1,4-Dichlorobutene | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trans-1,4-Dichlorobutene", "title": "Trans-1,4-Dichlorobutene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triallate\n\n**CAS No.:** 2303-17-5\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U389\n\n**Regulatory categories:** 4\n\n> Triallate | 2303-17-5 | 4 | U389 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "2303-17-5", "cercla_rq_lbs": "100", "file": "triallate.md", "generated": true, "harvested": "2026-08-05", "id": "triallate", "rcra_waste_number": "U389", "regulatory_categories": "4", "source_quote": "Triallate | 2303-17-5 | 4 | U389 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Triallate", "title": "Triallate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triamiphos\n\n**CAS No.:** 1031-47-6\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 1031-47-6 | Triamiphos | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1031-47-6", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "triamiphos.md", "generated": true, "harvested": "2026-08-05", "id": "triamiphos", "source_quote": "1031-47-6 | Triamiphos | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Triamiphos", "title": "Triamiphos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triazofos\n\n**CAS No.:** 24017-47-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 24017-47-8 | Triazofos | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "24017-47-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "triazofos.md", "generated": true, "harvested": "2026-08-05", "id": "triazofos", "source_quote": "24017-47-8 | Triazofos | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Triazofos", "title": "Triazofos \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichlorfon\n\n**CAS No.:** 52-68-6\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Trichlorfon | 52-68-6 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "52-68-6", "cercla_rq_lbs": "100", "file": "trichlorfon.md", "generated": true, "harvested": "2026-08-05", "id": "trichlorfon", "regulatory_categories": "1", "source_quote": "Trichlorfon | 52-68-6 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trichlorfon", "title": "Trichlorfon \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloro(Chloromethyl)Silane\n\n**CAS No.:** 1558-25-4\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 1558-25-4 | Trichloro(Chloromethyl)Silane | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1558-25-4", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "trichloro-chloromethyl-silane.md", "generated": true, "harvested": "2026-08-05", "id": "trichloro-chloromethyl-silane", "source_quote": "1558-25-4 | Trichloro(Chloromethyl)Silane | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichloro(Chloromethyl)Silane", "title": "Trichloro(Chloromethyl)Silane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloro(Dichlorophenyl) Silane\n\n**CAS No.:** 27137-85-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 27137-85-5 | Trichloro(Dichlorophenyl) Silane | | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "27137-85-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trichloro-dichlorophenyl-silane.md", "generated": true, "harvested": "2026-08-05", "id": "trichloro-dichlorophenyl-silane", "source_quote": "27137-85-5 | Trichloro(Dichlorophenyl) Silane | | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichloro(Dichlorophenyl) Silane", "title": "Trichloro(Dichlorophenyl) Silane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloroacetyl Chloride\n\n**CAS No.:** 76-02-8\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 76-02-8 | Trichloroacetyl Chloride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "76-02-8", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trichloroacetyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "trichloroacetyl-chloride", "source_quote": "500 | 76-02-8 | Trichloroacetyl Chloride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichloroacetyl Chloride", "title": "Trichloroacetyl Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloroethylene\n\n**CAS No.:** 79-01-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U228\n\n**Regulatory categories:** 1,2,3,4\n\n> Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "79-01-6", "cercla_rq_lbs": "100", "file": "trichloroethylene.md", "generated": true, "harvested": "2026-08-05", "id": "trichloroethylene", "rcra_waste_number": "U228", "regulatory_categories": "1,2,3,4", "source_quote": "Trichloroethylene | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trichloroethylene", "title": "Trichloroethylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloroethylsilane\n\n**CAS No.:** 115-21-9\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 115-21-9 | Trichloroethylsilane |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "115-21-9", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trichloroethylsilane.md", "generated": true, "harvested": "2026-08-05", "id": "trichloroethylsilane", "source_quote": "500 | 115-21-9 | Trichloroethylsilane |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichloroethylsilane", "title": "Trichloroethylsilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloromethanesulfenyl chloride\n\n**CAS No.:** 594-42-3\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P118\n\n**Regulatory categories:** 4\n\n> Trichloromethanesulfenyl chloride | 594-42-3 | 4 | P118 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "594-42-3", "cercla_rq_lbs": "100", "file": "trichloromethanesulfenyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "trichloromethanesulfenyl-chloride", "rcra_waste_number": "P118", "regulatory_categories": "4", "source_quote": "Trichloromethanesulfenyl chloride | 594-42-3 | 4 | P118 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trichloromethanesulfenyl chloride", "title": "Trichloromethanesulfenyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloromonofluoromethane\n\n**CAS No.:** 75-69-4\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U121\n\n**Regulatory categories:** 4\n\n> Trichloromonofluoromethane | 75-69-4 | 4 | U121 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-69-4", "cercla_rq_lbs": "5000", "file": "trichloromonofluoromethane.md", "generated": true, "harvested": "2026-08-05", "id": "trichloromonofluoromethane", "rcra_waste_number": "U121", "regulatory_categories": "4", "source_quote": "Trichloromonofluoromethane | 75-69-4 | 4 | U121 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trichloromonofluoromethane", "title": "Trichloromonofluoromethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichloronate\n\n**CAS No.:** 327-98-0\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 327-98-0 | Trichloronate |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "327-98-0", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trichloronate.md", "generated": true, "harvested": "2026-08-05", "id": "trichloronate", "source_quote": "500 | 327-98-0 | Trichloronate |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichloronate", "title": "Trichloronate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichlorophenol\n\n**CAS No.:** 25167-82-2\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 1,2\n\n> Trichlorophenol | 25167-82-2 | 1,2 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "25167-82-2", "cercla_rq_lbs": "10", "file": "trichlorophenol.md", "generated": true, "harvested": "2026-08-05", "id": "trichlorophenol", "regulatory_categories": "1,2", "source_quote": "Trichlorophenol | 25167-82-2 | 1,2 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trichlorophenol", "title": "Trichlorophenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trichlorophenylsilane\n\n**CAS No.:** 98-13-5\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 98-13-5 | Trichlorophenylsilane |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "98-13-5", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "trichlorophenylsilane.md", "generated": true, "harvested": "2026-08-05", "id": "trichlorophenylsilane", "source_quote": "500 | 98-13-5 | Trichlorophenylsilane |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trichlorophenylsilane", "title": "Trichlorophenylsilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triethanolamine dodecylbenzenesulfonate\n\n**CAS No.:** 27323-41-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Triethanolamine dodecylbenzenesulfonate | 27323-41-7 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "27323-41-7", "cercla_rq_lbs": "1000", "file": "triethanolamine-dodecylbenzenesulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "triethanolamine-dodecylbenzenesulfonate", "regulatory_categories": "1", "source_quote": "Triethanolamine dodecylbenzenesulfonate | 27323-41-7 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Triethanolamine dodecylbenzenesulfonate", "title": "Triethanolamine dodecylbenzenesulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triethoxysilane\n\n**CAS No.:** 998-30-1\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 500\n\n> 500 | 998-30-1 | Triethoxysilane |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "998-30-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500", "file": "triethoxysilane.md", "generated": true, "harvested": "2026-08-05", "id": "triethoxysilane", "source_quote": "500 | 998-30-1 | Triethoxysilane |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Triethoxysilane", "title": "Triethoxysilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triethylamine\n\n**CAS No.:** 121-44-8\n\n**CERCLA RQ (lbs):** 5000\n\n**RCRA waste number:** U404\n\n**Regulatory categories:** 1,3,4\n\n> Triethylamine | 121-44-8 | 1,3,4 | U404 | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "121-44-8", "cercla_rq_lbs": "5000", "file": "triethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "triethylamine", "rcra_waste_number": "U404", "regulatory_categories": "1,3,4", "source_quote": "Triethylamine | 121-44-8 | 1,3,4 | U404 | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Triethylamine", "title": "Triethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trifluralin\n\n**CAS No.:** 1582-09-8\n\n**CERCLA RQ (lbs):** 10\n\n**Regulatory categories:** 3\n\n> Trifluralin | 1582-09-8 | 3 | | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1582-09-8", "cercla_rq_lbs": "10", "file": "trifluralin.md", "generated": true, "harvested": "2026-08-05", "id": "trifluralin", "regulatory_categories": "3", "source_quote": "Trifluralin | 1582-09-8 | 3 | | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trifluralin", "title": "Trifluralin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trimethylamine\n\n**CAS No.:** 75-50-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Trimethylamine | 75-50-3 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-50-3", "cercla_rq_lbs": "100", "file": "trimethylamine.md", "generated": true, "harvested": "2026-08-05", "id": "trimethylamine", "regulatory_categories": "1", "source_quote": "Trimethylamine | 75-50-3 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trimethylamine", "title": "Trimethylamine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trimethylchlorosilane\n\n**CAS No.:** 75-77-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 75-77-4 | Trimethylchlorosilane | | 1,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "75-77-4", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000", "file": "trimethylchlorosilane.md", "generated": true, "harvested": "2026-08-05", "id": "trimethylchlorosilane", "source_quote": "75-77-4 | Trimethylchlorosilane | | 1,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trimethylchlorosilane", "title": "Trimethylchlorosilane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trimethylolpropane Phosphite\n\n**CAS No.:** 824-11-3\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 824-11-3 | Trimethylolpropane Phosphite | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "824-11-3", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "trimethylolpropane-phosphite.md", "generated": true, "harvested": "2026-08-05", "id": "trimethylolpropane-phosphite", "source_quote": "824-11-3 | Trimethylolpropane Phosphite | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trimethylolpropane Phosphite", "title": "Trimethylolpropane Phosphite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trimethyltin Chloride\n\n**CAS No.:** 1066-45-1\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 1066-45-1 | Trimethyltin Chloride | | 500 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1066-45-1", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "trimethyltin-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "trimethyltin-chloride", "source_quote": "1066-45-1 | Trimethyltin Chloride | | 500 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Trimethyltin Chloride", "title": "Trimethyltin Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Triphenyltin Chloride\n\n**CAS No.:** 639-58-7\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 500\n\n> 500/10,000 | 639-58-7 | Triphenyltin Chloride |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "639-58-7", "epcra_rq_lbs": "500", "epcra_tpq_lbs": "500/10,000", "file": "triphenyltin-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "triphenyltin-chloride", "source_quote": "500/10,000 | 639-58-7 | Triphenyltin Chloride |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Triphenyltin Chloride", "title": "Triphenyltin Chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tris(2,3-dibromopropyl) phosphate\n\n**CAS No.:** 126-72-7\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U235\n\n**Regulatory categories:** 4\n\n> Tris(2,3-dibromopropyl) phosphate | 126-72-7 | 4 | U235 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "126-72-7", "cercla_rq_lbs": "10", "file": "tris-2-3-dibromopropyl-phosphate.md", "generated": true, "harvested": "2026-08-05", "id": "tris-2-3-dibromopropyl-phosphate", "rcra_waste_number": "U235", "regulatory_categories": "4", "source_quote": "Tris(2,3-dibromopropyl) phosphate | 126-72-7 | 4 | U235 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Tris(2,3-dibromopropyl) phosphate", "title": "Tris(2,3-dibromopropyl) phosphate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Tris(2-Chloroethyl)Amine\n\n**CAS No.:** 555-77-1\n\n**EPCRA TPQ (lbs):** 100\n\n**EPCRA RQ (lbs):** 100\n\n> 555-77-1 | Tris(2-Chloroethyl)Amine | d | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "555-77-1", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100", "file": "tris-2-chloroethyl-amine.md", "generated": true, "harvested": "2026-08-05", "id": "tris-2-chloroethyl-amine", "source_quote": "555-77-1 | Tris(2-Chloroethyl)Amine | d | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Tris(2-Chloroethyl)Amine", "title": "Tris(2-Chloroethyl)Amine \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Trypan blue\n\n**CAS No.:** 72-57-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U236\n\n**Regulatory categories:** 4\n\n> Trypan blue | 72-57-1 | 4 | U236 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "72-57-1", "cercla_rq_lbs": "10", "file": "trypan-blue.md", "generated": true, "harvested": "2026-08-05", "id": "trypan-blue", "rcra_waste_number": "U236", "regulatory_categories": "4", "source_quote": "Trypan blue | 72-57-1 | 4 | U236 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Trypan blue", "title": "Trypan blue \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Uracil mustard\n\n**CAS No.:** 66-75-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** U237\n\n**Regulatory categories:** 4\n\n> Uracil mustard | 66-75-1 | 4 | U237 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "66-75-1", "cercla_rq_lbs": "10", "file": "uracil-mustard.md", "generated": true, "harvested": "2026-08-05", "id": "uracil-mustard", "rcra_waste_number": "U237", "regulatory_categories": "4", "source_quote": "Uracil mustard | 66-75-1 | 4 | U237 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Uracil mustard", "title": "Uracil mustard \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Uranyl acetate\n\n**CAS No.:** 541-09-3\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 1\n\n> Uranyl acetate | 541-09-3 | 1 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "541-09-3", "cercla_rq_lbs": "100", "file": "uranyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "uranyl-acetate", "regulatory_categories": "1", "source_quote": "Uranyl acetate | 541-09-3 | 1 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Uranyl acetate", "title": "Uranyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Urea, N-ethyl-N-nitroso-\n\n**CAS No.:** 759-73-9\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U176\n\n**Regulatory categories:** 4\n\n> Urea, N-ethyl-N-nitroso- | 759-73-9 | 4 | U176 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "759-73-9", "cercla_rq_lbs": "1", "file": "urea-n-ethyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "urea-n-ethyl-n-nitroso", "rcra_waste_number": "U176", "regulatory_categories": "4", "source_quote": "Urea, N-ethyl-N-nitroso- | 759-73-9 | 4 | U176 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Urea, N-ethyl-N-nitroso-", "title": "Urea, N-ethyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Urea, N-methyl-N-nitroso-\n\n**CAS No.:** 684-93-5\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U177\n\n**Regulatory categories:** 3,4\n\n> Urea, N-methyl-N-nitroso- | 684-93-5 | 3,4 | U177 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "684-93-5", "cercla_rq_lbs": "1", "file": "urea-n-methyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "urea-n-methyl-n-nitroso", "rcra_waste_number": "U177", "regulatory_categories": "3,4", "source_quote": "Urea, N-methyl-N-nitroso- | 684-93-5 | 3,4 | U177 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Urea, N-methyl-N-nitroso-", "title": "Urea, N-methyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Urethane\n\n**CAS No.:** 51-79-6\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U238\n\n**Regulatory categories:** 3,4\n\n> Urethane | 51-79-6 | 3,4 | U238 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "51-79-6", "cercla_rq_lbs": "100", "file": "urethane.md", "generated": true, "harvested": "2026-08-05", "id": "urethane", "rcra_waste_number": "U238", "regulatory_categories": "3,4", "source_quote": "Urethane | 51-79-6 | 3,4 | U238 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Urethane", "title": "Urethane \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Valinomycin\n\n**CAS No.:** 2001-95-8\n\n**EPCRA TPQ (lbs):** 1,000/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 2001-95-8 | Valinomycin | b | 1,000 | 1,000/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "2001-95-8", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "1,000/10,000", "file": "valinomycin.md", "generated": true, "harvested": "2026-08-05", "id": "valinomycin", "source_quote": "2001-95-8 | Valinomycin | b | 1,000 | 1,000/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Valinomycin", "title": "Valinomycin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vanadic acid, ammonium salt\n\n**CAS No.:** 7803-55-6\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P119\n\n**Regulatory categories:** 4\n\n> Vanadic acid, ammonium salt | 7803-55-6 | 4 | P119 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7803-55-6", "cercla_rq_lbs": "1000", "file": "vanadic-acid-ammonium-salt.md", "generated": true, "harvested": "2026-08-05", "id": "vanadic-acid-ammonium-salt", "rcra_waste_number": "P119", "regulatory_categories": "4", "source_quote": "Vanadic acid, ammonium salt | 7803-55-6 | 4 | P119 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vanadic acid, ammonium salt", "title": "Vanadic acid, ammonium salt \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vanadium oxide V2O5\n\n**CAS No.:** 1314-62-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P120\n\n**Regulatory categories:** 1,4\n\n> Vanadium oxide V2O5 | 1314-62-1 | 1,4 | P120 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-62-1", "cercla_rq_lbs": "1000", "file": "vanadium-oxide-v2o5.md", "generated": true, "harvested": "2026-08-05", "id": "vanadium-oxide-v2o5", "rcra_waste_number": "P120", "regulatory_categories": "1,4", "source_quote": "Vanadium oxide V2O5 | 1314-62-1 | 1,4 | P120 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vanadium oxide V2O5", "title": "Vanadium oxide V2O5 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vanadium Pentoxide\n\n**CAS No.:** 1314-62-1\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 1,000\n\n> 1314-62-1 | Vanadium Pentoxide | | 1,000 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1314-62-1", "epcra_rq_lbs": "1,000", "epcra_tpq_lbs": "100/10,000", "file": "vanadium-pentoxide-2.md", "generated": true, "harvested": "2026-08-05", "id": "vanadium-pentoxide-2", "source_quote": "1314-62-1 | Vanadium Pentoxide | | 1,000 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Vanadium Pentoxide", "title": "Vanadium Pentoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vanadium pentoxide\n\n**CAS No.:** 1314-62-1\n\n**CERCLA RQ (lbs):** 1000\n\n**RCRA waste number:** P120\n\n**Regulatory categories:** 1,4\n\n> Vanadium pentoxide | 1314-62-1 | 1,4 | P120 | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-62-1", "cercla_rq_lbs": "1000", "file": "vanadium-pentoxide.md", "generated": true, "harvested": "2026-08-05", "id": "vanadium-pentoxide", "rcra_waste_number": "P120", "regulatory_categories": "1,4", "source_quote": "Vanadium pentoxide | 1314-62-1 | 1,4 | P120 | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vanadium pentoxide", "title": "Vanadium pentoxide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vanadyl sulfate\n\n**CAS No.:** 27774-13-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Vanadyl sulfate | 27774-13-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "27774-13-6", "cercla_rq_lbs": "1000", "file": "vanadyl-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "vanadyl-sulfate", "regulatory_categories": "1", "source_quote": "Vanadyl sulfate | 27774-13-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vanadyl sulfate", "title": "Vanadyl sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinyl Acetate Monomer\n\n**CAS No.:** 108-05-4\n\n**EPCRA TPQ (lbs):** 1,000\n\n**EPCRA RQ (lbs):** 5,000\n\n> 1,000 | 100/10,000 | 108-05-4 | Vinyl Acetate Monomer | f | 5,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "108-05-4", "epcra_rq_lbs": "5,000", "epcra_tpq_lbs": "1,000", "file": "vinyl-acetate-monomer-2.md", "generated": true, "harvested": "2026-08-05", "id": "vinyl-acetate-monomer-2", "source_quote": "1,000 | 100/10,000 | 108-05-4 | Vinyl Acetate Monomer | f | 5,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Vinyl Acetate Monomer", "title": "Vinyl Acetate Monomer \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinyl acetate monomer\n\n**CAS No.:** 108-05-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1,3\n\n> Vinyl acetate monomer | 108-05-4 | 1,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-05-4", "cercla_rq_lbs": "5000", "file": "vinyl-acetate-monomer.md", "generated": true, "harvested": "2026-08-05", "id": "vinyl-acetate-monomer", "regulatory_categories": "1,3", "source_quote": "Vinyl acetate monomer | 108-05-4 | 1,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinyl acetate monomer", "title": "Vinyl acetate monomer \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinyl acetate\n\n**CAS No.:** 108-05-4\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1,3\n\n> Vinyl acetate | 108-05-4 | 1,3 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "108-05-4", "cercla_rq_lbs": "5000", "file": "vinyl-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "vinyl-acetate", "regulatory_categories": "1,3", "source_quote": "Vinyl acetate | 108-05-4 | 1,3 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinyl acetate", "title": "Vinyl acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinyl bromide\n\n**CAS No.:** 593-60-2\n\n**CERCLA RQ (lbs):** 100\n\n**Regulatory categories:** 3\n\n> Vinyl bromide | 593-60-2 | 3 | | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "593-60-2", "cercla_rq_lbs": "100", "file": "vinyl-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "vinyl-bromide", "regulatory_categories": "3", "source_quote": "Vinyl bromide | 593-60-2 | 3 | | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinyl bromide", "title": "Vinyl bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinyl chloride\n\n**CAS No.:** 75-01-4\n\n**CERCLA RQ (lbs):** 1\n\n**RCRA waste number:** U043\n\n**Regulatory categories:** 2,3,4\n\n> Vinyl chloride | 75-01-4 | 2,3,4 | U043 | 1 (0.454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-01-4", "cercla_rq_lbs": "1", "file": "vinyl-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "vinyl-chloride", "rcra_waste_number": "U043", "regulatory_categories": "2,3,4", "source_quote": "Vinyl chloride | 75-01-4 | 2,3,4 | U043 | 1 (0.454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinyl chloride", "title": "Vinyl chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinylamine, N-methyl-N-nitroso-\n\n**CAS No.:** 4549-40-0\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P084\n\n**Regulatory categories:** 4\n\n> Vinylamine, N-methyl-N-nitroso- | 4549-40-0 | 4 | P084 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "4549-40-0", "cercla_rq_lbs": "10", "file": "vinylamine-n-methyl-n-nitroso.md", "generated": true, "harvested": "2026-08-05", "id": "vinylamine-n-methyl-n-nitroso", "rcra_waste_number": "P084", "regulatory_categories": "4", "source_quote": "Vinylamine, N-methyl-N-nitroso- | 4549-40-0 | 4 | P084 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinylamine, N-methyl-N-nitroso-", "title": "Vinylamine, N-methyl-N-nitroso- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Vinylidene chloride\n\n**CAS No.:** 75-35-4\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U078\n\n**Regulatory categories:** 1,2,3,4\n\n> Vinylidene chloride | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "75-35-4", "cercla_rq_lbs": "100", "file": "vinylidene-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "vinylidene-chloride", "rcra_waste_number": "U078", "regulatory_categories": "1,2,3,4", "source_quote": "Vinylidene chloride | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Vinylidene chloride", "title": "Vinylidene chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Warfarin, & salts\n\n**CAS No.:** 81-81-2\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P001, U248\n\n**Regulatory categories:** 4\n\n> Warfarin, & salts | 81-81-2 | 4 | P001, U248 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "81-81-2", "cercla_rq_lbs": "100", "file": "warfarin-salts.md", "generated": true, "harvested": "2026-08-05", "id": "warfarin-salts", "rcra_waste_number": "P001, U248", "regulatory_categories": "4", "source_quote": "Warfarin, & salts | 81-81-2 | 4 | P001, U248 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Warfarin, & salts", "title": "Warfarin, & salts \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Warfarin Sodium\n\n**CAS No.:** 129-06-6\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 129-06-6 | Warfarin Sodium | d | 100 | 100/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "129-06-6", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "warfarin-sodium.md", "generated": true, "harvested": "2026-08-05", "id": "warfarin-sodium", "source_quote": "129-06-6 | Warfarin Sodium | d | 100 | 100/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Warfarin Sodium", "title": "Warfarin Sodium \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Warfarin\n\n**CAS No.:** 81-81-2\n\n**EPCRA TPQ (lbs):** 500/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 81-81-2 | Warfarin | | 100 | 500/10,000 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "81-81-2", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500/10,000", "file": "warfarin.md", "generated": true, "harvested": "2026-08-05", "id": "warfarin", "source_quote": "81-81-2 | Warfarin | | 100 | 500/10,000 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Warfarin", "title": "Warfarin \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Xylene (mixed)\n\n**CAS No.:** 1330-20-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U239\n\n**Regulatory categories:** 1,3,4\n\n> Xylene (mixed) | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1330-20-7", "cercla_rq_lbs": "100", "file": "xylene-mixed.md", "generated": true, "harvested": "2026-08-05", "id": "xylene-mixed", "rcra_waste_number": "U239", "regulatory_categories": "1,3,4", "source_quote": "Xylene (mixed) | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Xylene (mixed)", "title": "Xylene (mixed) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Xylene\n\n**CAS No.:** 1330-20-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U239\n\n**Regulatory categories:** 1,3,4\n\n> Xylene | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1330-20-7", "cercla_rq_lbs": "100", "file": "xylene.md", "generated": true, "harvested": "2026-08-05", "id": "xylene", "rcra_waste_number": "U239", "regulatory_categories": "1,3,4", "source_quote": "Xylene | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Xylene", "title": "Xylene \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Xylenes (isomers and mixture)\n\n**CAS No.:** 1330-20-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** U239\n\n**Regulatory categories:** 1,3,4\n\n> Xylenes (isomers and mixture) | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1330-20-7", "cercla_rq_lbs": "100", "file": "xylenes-isomers-and-mixture.md", "generated": true, "harvested": "2026-08-05", "id": "xylenes-isomers-and-mixture", "rcra_waste_number": "U239", "regulatory_categories": "1,3,4", "source_quote": "Xylenes (isomers and mixture) | 1330-20-7 | 1,3,4 | U239 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Xylenes (isomers and mixture)", "title": "Xylenes (isomers and mixture) \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Xylenol\n\n**CAS No.:** 1300-71-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Xylenol | 1300-71-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1300-71-6", "cercla_rq_lbs": "1000", "file": "xylenol.md", "generated": true, "harvested": "2026-08-05", "id": "xylenol", "regulatory_categories": "1", "source_quote": "Xylenol | 1300-71-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Xylenol", "title": "Xylenol \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Xylylene Dichloride\n\n**CAS No.:** 28347-13-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 28347-13-9 | Xylylene Dichloride | | 100 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "28347-13-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "xylylene-dichloride.md", "generated": true, "harvested": "2026-08-05", "id": "xylylene-dichloride", "source_quote": "100/10,000 | 28347-13-9 | Xylylene Dichloride | | 100 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Xylylene Dichloride", "title": "Xylylene Dichloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc acetate\n\n**CAS No.:** 557-34-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc acetate | 557-34-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "557-34-6", "cercla_rq_lbs": "1000", "file": "zinc-acetate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-acetate", "regulatory_categories": "1", "source_quote": "Zinc acetate | 557-34-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc acetate", "title": "Zinc acetate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc, bis(dimethylcarbamodithioato-S,S\u2032)-\n\n**CAS No.:** 137-30-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P205\n\n**Regulatory categories:** 4\n\n> Zinc, bis(dimethylcarbamodithioato-S,S\u2032)- | 137-30-4 | 4 | P205 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "137-30-4", "cercla_rq_lbs": "10", "file": "zinc-bis-dimethylcarbamodithioato-s-s.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-bis-dimethylcarbamodithioato-s-s", "rcra_waste_number": "P205", "regulatory_categories": "4", "source_quote": "Zinc, bis(dimethylcarbamodithioato-S,S\u2032)- | 137-30-4 | 4 | P205 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc, bis(dimethylcarbamodithioato-S,S\u2032)-", "title": "Zinc, bis(dimethylcarbamodithioato-S,S\u2032)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc borate\n\n**CAS No.:** 1332-07-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc borate | 1332-07-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1332-07-6", "cercla_rq_lbs": "1000", "file": "zinc-borate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-borate", "regulatory_categories": "1", "source_quote": "Zinc borate | 1332-07-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc borate", "title": "Zinc borate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc bromide\n\n**CAS No.:** 7699-45-8\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc bromide | 7699-45-8 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7699-45-8", "cercla_rq_lbs": "1000", "file": "zinc-bromide.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-bromide", "regulatory_categories": "1", "source_quote": "Zinc bromide | 7699-45-8 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc bromide", "title": "Zinc bromide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc carbonate\n\n**CAS No.:** 3486-35-9\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc carbonate | 3486-35-9 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "3486-35-9", "cercla_rq_lbs": "1000", "file": "zinc-carbonate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-carbonate", "regulatory_categories": "1", "source_quote": "Zinc carbonate | 3486-35-9 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc carbonate", "title": "Zinc carbonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc chloride\n\n**CAS No.:** 7646-85-7\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc chloride | 7646-85-7 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7646-85-7", "cercla_rq_lbs": "1000", "file": "zinc-chloride.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-chloride", "regulatory_categories": "1", "source_quote": "Zinc chloride | 7646-85-7 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc chloride", "title": "Zinc chloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc cyanide Zn(CN)2\n\n**CAS No.:** 557-21-1\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P121\n\n**Regulatory categories:** 1,4\n\n> Zinc cyanide Zn(CN)2 | 557-21-1 | 1,4 | P121 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "557-21-1", "cercla_rq_lbs": "10", "file": "zinc-cyanide-zn-cn-2.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-cyanide-zn-cn-2", "rcra_waste_number": "P121", "regulatory_categories": "1,4", "source_quote": "Zinc cyanide Zn(CN)2 | 557-21-1 | 1,4 | P121 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc cyanide Zn(CN)2", "title": "Zinc cyanide Zn(CN)2 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)-\n\n**CAS No.:** 58270-08-9\n\n**EPCRA TPQ (lbs):** 100/10,000\n\n**EPCRA RQ (lbs):** 100\n\n> 100/10,000 | 58270-08-9 | Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)- |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "58270-08-9", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "100/10,000", "file": "zinc-dichloro-4-4-dimethyl-5-methylamino-carbonyl-oxy-imino-pentanenitrile-t-4.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-dichloro-4-4-dimethyl-5-methylamino-carbonyl-oxy-imino-pentanenitrile-t-4", "source_quote": "100/10,000 | 58270-08-9 | Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)- |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)-", "title": "Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)- \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc fluoride\n\n**CAS No.:** 7783-49-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc fluoride | 7783-49-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7783-49-5", "cercla_rq_lbs": "1000", "file": "zinc-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-fluoride", "regulatory_categories": "1", "source_quote": "Zinc fluoride | 7783-49-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc fluoride", "title": "Zinc fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc formate\n\n**CAS No.:** 557-41-5\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc formate | 557-41-5 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "557-41-5", "cercla_rq_lbs": "1000", "file": "zinc-formate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-formate", "regulatory_categories": "1", "source_quote": "Zinc formate | 557-41-5 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc formate", "title": "Zinc formate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc hydrosulfite\n\n**CAS No.:** 7779-86-4\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc hydrosulfite | 7779-86-4 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7779-86-4", "cercla_rq_lbs": "1000", "file": "zinc-hydrosulfite.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-hydrosulfite", "regulatory_categories": "1", "source_quote": "Zinc hydrosulfite | 7779-86-4 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc hydrosulfite", "title": "Zinc hydrosulfite \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc III\n\n**CAS No.:** 7440-66-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 2\n\n> Zinc III | 7440-66-6 | 2 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7440-66-6", "cercla_rq_lbs": "1000", "file": "zinc-iii.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-iii", "regulatory_categories": "2", "source_quote": "Zinc III | 7440-66-6 | 2 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc III", "title": "Zinc III \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc nitrate\n\n**CAS No.:** 7779-88-6\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc nitrate | 7779-88-6 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7779-88-6", "cercla_rq_lbs": "1000", "file": "zinc-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-nitrate", "regulatory_categories": "1", "source_quote": "Zinc nitrate | 7779-88-6 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc nitrate", "title": "Zinc nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc phenolsulfonate\n\n**CAS No.:** 127-82-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Zinc phenolsulfonate | 127-82-2 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "127-82-2", "cercla_rq_lbs": "5000", "file": "zinc-phenolsulfonate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-phenolsulfonate", "regulatory_categories": "1", "source_quote": "Zinc phenolsulfonate | 127-82-2 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc phenolsulfonate", "title": "Zinc phenolsulfonate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc phosphide Zn3P2\n\n**CAS No.:** 1314-84-7\n\n**CERCLA RQ (lbs):** 100\n\n**RCRA waste number:** P122, U249\n\n**Regulatory categories:** 1,4\n\n> Zinc phosphide Zn3P2 | 1314-84-7 | 1,4 | P122, U249 | 100 (45.4)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "1314-84-7", "cercla_rq_lbs": "100", "file": "zinc-phosphide-zn3p2.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-phosphide-zn3p2", "rcra_waste_number": "P122, U249", "regulatory_categories": "1,4", "source_quote": "Zinc phosphide Zn3P2 | 1314-84-7 | 1,4 | P122, U249 | 100 (45.4)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc phosphide Zn3P2", "title": "Zinc phosphide Zn3P2 \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc Phosphide\n\n**CAS No.:** 1314-84-7\n\n**EPCRA TPQ (lbs):** 500\n\n**EPCRA RQ (lbs):** 100\n\n> 1314-84-7 | Zinc Phosphide | a | 100 | 500 |\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>\n", "cas_number": "1314-84-7", "epcra_rq_lbs": "100", "epcra_tpq_lbs": "500", "file": "zinc-phosphide.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-phosphide", "source_quote": "1314-84-7 | Zinc Phosphide | a | 100 | 500 |", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355"], "stale_after": "2027-08-05", "substance": "Zinc Phosphide", "title": "Zinc Phosphide \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc silicofluoride\n\n**CAS No.:** 16871-71-9\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Zinc silicofluoride | 16871-71-9 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16871-71-9", "cercla_rq_lbs": "5000", "file": "zinc-silicofluoride.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-silicofluoride", "regulatory_categories": "1", "source_quote": "Zinc silicofluoride | 16871-71-9 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc silicofluoride", "title": "Zinc silicofluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zinc sulfate\n\n**CAS No.:** 7733-02-0\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zinc sulfate | 7733-02-0 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "7733-02-0", "cercla_rq_lbs": "1000", "file": "zinc-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "zinc-sulfate", "regulatory_categories": "1", "source_quote": "Zinc sulfate | 7733-02-0 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zinc sulfate", "title": "Zinc sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Ziram\n\n**CAS No.:** 137-30-4\n\n**CERCLA RQ (lbs):** 10\n\n**RCRA waste number:** P205\n\n**Regulatory categories:** 4\n\n> Ziram | 137-30-4 | 4 | P205 | 10 (4.54)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "137-30-4", "cercla_rq_lbs": "10", "file": "ziram.md", "generated": true, "harvested": "2026-08-05", "id": "ziram", "rcra_waste_number": "P205", "regulatory_categories": "4", "source_quote": "Ziram | 137-30-4 | 4 | P205 | 10 (4.54)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Ziram", "title": "Ziram \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zirconium nitrate\n\n**CAS No.:** 13746-89-9\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Zirconium nitrate | 13746-89-9 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "13746-89-9", "cercla_rq_lbs": "5000", "file": "zirconium-nitrate.md", "generated": true, "harvested": "2026-08-05", "id": "zirconium-nitrate", "regulatory_categories": "1", "source_quote": "Zirconium nitrate | 13746-89-9 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zirconium nitrate", "title": "Zirconium nitrate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zirconium potassium fluoride\n\n**CAS No.:** 16923-95-8\n\n**CERCLA RQ (lbs):** 1000\n\n**Regulatory categories:** 1\n\n> Zirconium potassium fluoride | 16923-95-8 | 1 | | 1000 (454)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "16923-95-8", "cercla_rq_lbs": "1000", "file": "zirconium-potassium-fluoride.md", "generated": true, "harvested": "2026-08-05", "id": "zirconium-potassium-fluoride", "regulatory_categories": "1", "source_quote": "Zirconium potassium fluoride | 16923-95-8 | 1 | | 1000 (454)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zirconium potassium fluoride", "title": "Zirconium potassium fluoride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zirconium sulfate\n\n**CAS No.:** 14644-61-2\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Zirconium sulfate | 14644-61-2 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "14644-61-2", "cercla_rq_lbs": "5000", "file": "zirconium-sulfate.md", "generated": true, "harvested": "2026-08-05", "id": "zirconium-sulfate", "regulatory_categories": "1", "source_quote": "Zirconium sulfate | 14644-61-2 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zirconium sulfate", "title": "Zirconium sulfate \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}
{"asset": "chemical-regulatory-reporting-thresholds", "body": "**Substance:** Zirconium tetrachloride\n\n**CAS No.:** 10026-11-6\n\n**CERCLA RQ (lbs):** 5000\n\n**Regulatory categories:** 1\n\n> Zirconium tetrachloride | 10026-11-6 | 1 | | 5000 (2270)\n\nSource: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>\n", "cas_number": "10026-11-6", "cercla_rq_lbs": "5000", "file": "zirconium-tetrachloride.md", "generated": true, "harvested": "2026-08-05", "id": "zirconium-tetrachloride", "regulatory_categories": "1", "source_quote": "Zirconium tetrachloride | 10026-11-6 | 1 | | 5000 (2270)", "sources": ["https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4"], "stale_after": "2027-08-05", "substance": "Zirconium tetrachloride", "title": "Zirconium tetrachloride \u2014 US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)", "type": "threshold", "verified": true}