Dibenzo[a,i]pyrene

For Dibenzo[a,i]pyrene, cas no. is 189-55-9; cercla rq (lbs) is 10; rcra waste number is U064; regulatory categories is 4, verified against its source on 2026-08-05.

Substance: Dibenzo[a,i]pyrene verified
CAS No.: 189-55-9 verified
CERCLA RQ (lbs): 10 verified
RCRA waste number: U064 verified
Regulatory categories: 4 verified

Sourceecfr.gov

Verified2026-08-05

Review by2027-08-05

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

What the source says

Dibenzo[a,i]pyrene | 189-55-9 | 4 | U064 | 10 (4.54)

— 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: 2026-08-05. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.