Arsenic, organic compounds (as As) — CAS 7440-38-2 — workplace exposure limit
What is the pel (mg/m³) for Arsenic, organic compounds (as As) — CAS 7440-38-2 — workplace exposure limit?
For Arsenic, organic compounds (as As), pel (mg/m³) is disputed: 0.5 per osha.gov, 0.2 per dir.ca.gov; cas no. is 7440-38-2, verified against its source on 2026-08-05.
Arsenic, organic compounds (as As) | 7440-38-2 | - | 0.5 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Arsenic, organic compounds (as As) verified
- CAS No.
- 7440-38-2 verified
- PEL (mg/m³)
- 0.5 sources disagree
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
PEL (mg/m³)
osha.gov says pel (mg/m³) is 0.5, as of 2026-08-05.
Arsenic, organic compounds (as As) | 7440-38-2 | - | 0.5 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 0.2, as of 2026-09-25.
Arsenic, organic compounds, as As | -- | 0.2
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html