Copper fume (as Cu) — workplace exposure limit
What is the niosh rel (mg/m³) for Copper fume (as Cu) — workplace exposure limit?
For Copper fume (as Cu), niosh rel (mg/m³) is TWA 0.1; cas no. is 1317-38-0 (CuO), verified against its source on 2026-09-08.
NIOSH REL TWA 0.1 mg/m3
— cdc.gov, retrieved 2026-09-08
- Substance
- Copper fume (as Cu) verified
- CAS No.
- 1317-38-0 (CuO) verified
- NIOSH REL (mg/m³)
- TWA 0.1 verified
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Copper fume (as Cu)
CAS No.
CAS No. 1317-38-0 (CuO)
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0151.html