Molybdenum — workplace exposure limit
What is the niosh rel, as stated for Molybdenum — workplace exposure limit?
For Molybdenum, niosh rel, as stated is See Appendix D; cas no. is 7439-98-7, verified against its source on 2026-09-08.
NIOSH REL See Appendix D
— cdc.gov, retrieved 2026-09-08
- Substance
- Molybdenum verified
- CAS No.
- 7439-98-7 verified
- NIOSH REL, as stated
- See Appendix D verified
- PEL (mg/m³)
- 0.5(n) 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 - Molybdenum
CAS No.
CAS No. 7439-98-7
— all from cdc.gov, retrieved 2026-09-08
What osha.gov says
Molybdenum (as Mo) | 7439-98-7 | - | - | - |
— osha.gov, retrieved 2026-08-05
What dir.ca.gov says
7439987 | | Molybdenum, insoluble compounds, as Mo | -- | 0.5(n)
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0433.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html