Silver III

For Silver III, cas no. is 7440-22-4; cercla rq (lbs) is 1000; regulatory categories is 2, verified against its source on 2026-08-05.

What the source says

Silver III | 7440-22-4 | 2 | | 1000 (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: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.