Chromic acid and chromates — workplace exposure limit
What is the niosh rel (mg/m³) for Chromic acid and chromates — workplace exposure limit?
For Chromic acid and chromates, niosh rel (mg/m³) is TWA 0.0002; cas no. is 1333-82-0 (CrO3), verified against its source on 2026-09-08.
NIOSH REL (as Cr): Ca TWA 0.0002 mg/m3 (8-hours)
— cdc.gov, retrieved 2026-09-08
- Substance
- Chromic acid and chromates verified
- CAS No.
- 1333-82-0 (CrO3) verified
- NIOSH REL (mg/m³)
- TWA 0.0002 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 - Chromic acid and chromates
CAS No.
CAS No. 1333-82-0 (CrO3)
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0138.html