Reference Source

Lewisite

For Lewisite, cas no. is 541-25-3; epcra tpq (lbs) is 10; epcra rq (lbs) is 10, verified against its source on 2026-08-05.

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

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

— ecfr.gov, retrieved 2026-08-05

Source

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.