Reference Source

Calcium arsenate

For Calcium arsenate, cas no. is 7778-44-1; cercla rq (lbs) is 1; regulatory categories is 1, verified against its source on 2026-08-05.

Substance
Calcium arsenate
CAS No.
7778-44-1
CERCLA RQ (lbs)
1
Regulatory categories
1
EPCRA TPQ (lbs)
500/10,000 per ecfr.gov
EPCRA RQ (lbs)
1 per ecfr.gov
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Calcium arsenate | 7778-44-1 | 1 | | 1 (0.454)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

7778-44-1 | Calcium Arsenate | | 1 | 500/10,000 |

— ecfr.gov, retrieved 2026-08-05

Sources

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.