# Phosgene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Phosgene, cas no. is 75-44-5; cercla rq (lbs) is 10; rcra waste number is P095; regulatory categories is 1,3,4, verified against its source on 2026-08-05. - **Substance:** Phosgene _(verified: appears in the quote below)_ - **CAS No.:** 75-44-5 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 10 _(verified: appears in the quote below)_ - **RCRA waste number:** P095 _(verified: appears in the quote below)_ - **Regulatory categories:** 1,3,4 _(verified: appears in the quote below)_ - **EPCRA TPQ (lbs):** 10 _(per ecfr.gov, not stated by the source above)_ - **EPCRA RQ (lbs):** 10 _(per ecfr.gov, not stated by the source above)_ ## What the source says > Phosgene | 75-44-5 | 1,3,4 | P095 | 10 (4.54) ## What ecfr.gov says > 75-44-5 | Phosgene | f | 10 | 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/).