Pyrene

For Pyrene, cas no. is 129-00-0; cercla rq (lbs) is 5000; regulatory categories is 2, verified against its source on 2026-08-05.

What the source says

Pyrene | 129-00-0 | 2 | | 5000 (2270)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

129-00-0 | Pyrene | b | 5,000 | 1,000/10,000 |

— ecfr.gov, retrieved 2026-08-05

Sources

• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4
• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355

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.