Platinum — workplace exposure limit
What is the niosh rel (mg/m³) for Platinum — workplace exposure limit?
For Platinum, niosh rel (mg/m³) is TWA 1; cas no. is 7440-06-4, verified against its source on 2026-09-08.
NIOSH REL TWA 1 mg/m3
— cdc.gov, retrieved 2026-09-08
- Substance
- Platinum verified
- CAS No.
- 7440-06-4 verified
- NIOSH REL (mg/m³)
- TWA 1 verified
- PEL (mg/m³)
- 1 per dir.ca.gov
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 - Platinum
CAS No.
CAS No. 7440-06-4
— all from cdc.gov, retrieved 2026-09-08
What osha.gov says
Platinum (as Pt) | 7440-06-4 | - | - | - |
— osha.gov, retrieved 2026-08-05
What dir.ca.gov says
7440064 | | Platinum, metal | -- | 1
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0519.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html