# Dinoseb — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Dinoseb, cas no. is 88-85-7; cercla rq (lbs) is 1000; rcra waste number is P020; regulatory categories is 4, verified against its source on 2026-08-05. - **Substance:** Dinoseb _(verified: appears in the quote below)_ - **CAS No.:** 88-85-7 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 1000 _(verified: appears in the quote below)_ - **RCRA waste number:** P020 _(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):** 1,000 _(per ecfr.gov, not stated by the source above)_ ## What the source says > Dinoseb | 88-85-7 | 4 | P020 | 1000 (454) ## What ecfr.gov says > 88-85-7 | Dinoseb | | 1,000 | 100/10,000 | 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/).