# Potassium chromate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Potassium chromate, cas no. is 7789-00-6; cercla rq (lbs) is 10; regulatory categories is 1, verified against its source on 2026-08-05. - **Substance:** Potassium chromate _(verified: appears in the quote below)_ - **CAS No.:** 7789-00-6 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 10 _(verified: appears in the quote below)_ - **Regulatory categories:** 1 _(verified: appears in the quote below)_ ## What the source says > Potassium chromate | 7789-00-6 | 1 | | 10 (4.54) ## 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/).