Chlorpyrifos

For Chlorpyrifos, cas no. is 2921-88-2; cercla rq (lbs) is 1; regulatory categories is 1, verified against its source on 2026-09-16.

Substance: Chlorpyrifos verified
CAS No.: 2921-88-2 verified
CERCLA RQ (lbs): 1 verified
Regulatory categories: 1 verified

Verified2026-09-16

Review by2027-08-05

DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA and EPCRA)

What the source says

Chlorpyrifos | 2921-88-2 | 1 | | 1 (0.454)

— ecfr.gov, retrieved 2026-08-05

Source

ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4

Last verified against source: 2026-09-16. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.