Lewisite

For Lewisite, cas no. is 541-25-3; epcra tpq (lbs) is 10; epcra rq (lbs) is 10, verified against its source on 2026-11-02.

Substance: Lewisite verified
CAS No.: 541-25-3 verified
EPCRA TPQ (lbs): 10 verified
EPCRA RQ (lbs): 10 verified

Verified2026-11-02

Review by2027-08-05

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

What the source says

541-25-3 | Lewisite | b, d | 10 | 10 |

— ecfr.gov, retrieved 2026-08-05

Source

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

Last verified against source: 2026-11-02. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.