# Lindane (all isomers) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Lindane (all isomers), cas no. is 58-89-9; cercla rq (lbs) is 1; rcra waste number is U129; regulatory categories is 1,2,3,4, verified against its source on 2026-08-05. - **Substance:** Lindane (all isomers) _(verified: appears in the quote below)_ - **CAS No.:** 58-89-9 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 1 _(verified: appears in the quote below)_ - **RCRA waste number:** U129 _(verified: appears in the quote below)_ - **Regulatory categories:** 1,2,3,4 _(verified: appears in the quote below)_ ## What the source says > Lindane (all isomers) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454) ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4 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/).