# Thiourea, (2-chlorophenyl)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Thiourea, (2-chlorophenyl)-, cas no. is 5344-82-1; cercla rq (lbs) is 100; rcra waste number is P026; regulatory categories is 4, verified against its source on 2026-08-05. - **Substance:** Thiourea, (2-chlorophenyl)- _(verified: appears in the quote below)_ - **CAS No.:** 5344-82-1 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 100 _(verified: appears in the quote below)_ - **RCRA waste number:** P026 _(verified: appears in the quote below)_ - **Regulatory categories:** 4 _(verified: appears in the quote below)_ - **EPCRA TPQ (lbs):** 100/10,000 _(per ecfr.gov, not stated by the source above)_ - **EPCRA RQ (lbs):** 100 _(per ecfr.gov, not stated by the source above)_ ## What the source says > Thiourea, (2-chlorophenyl)- | 5344-82-1 | 4 | P026 | 100 (45.4) ## What ecfr.gov says > 100/10,000 | 5344-82-1 | Thiourea, (2-Chlorophenyl)- | Source: https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355 ## Source - 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 Last verified: 2026-08-05. Review by: 2027-08-05. Part of [US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)](https://referencesource.org/chemical-regulatory-reporting-thresholds/).