# Epichlorohydrin — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Epichlorohydrin, cas no. is 106-89-8; cercla rq (lbs) is 100; rcra waste number is U041; regulatory categories is 1,3,4, verified against its source on 2026-08-05. - **Substance:** Epichlorohydrin _(verified: appears in the quote below)_ - **CAS No.:** 106-89-8 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 100 _(verified: appears in the quote below)_ - **RCRA waste number:** U041 _(verified: appears in the quote below)_ - **Regulatory categories:** 1,3,4 _(verified: appears in the quote below)_ - **EPCRA TPQ (lbs):** 1,000 _(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 > Epichlorohydrin | 106-89-8 | 1,3,4 | U041 | 100 (45.4) ## What ecfr.gov says > 106-89-8 | Epichlorohydrin | f | 100 | 1,000 | 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/).