Parathion — workplace exposure limit
What is the pel (mg/m³) for Parathion — workplace exposure limit?
For Parathion, pel (mg/m³) is 0.1; cas no. is 56-38-2, verified against its source on 2026-08-05.
Parathion | 56-38-2 | - | 0.1 | X |
— osha.gov, retrieved 2026-08-05
- Substance
- Parathion verified
- CAS No.
- 56-38-2 verified
- PEL (mg/m³)
- 0.1 verified
- NIOSH REL (mg/m³)
- TWA 0.05 per cdc.gov
What cdc.gov says
NIOSH REL TWA 0.05 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
56382 | S | Parathion; o,o-diethyl o-(p-nitrophenyl) phosphorothioate | -- | 0.1
— dir.ca.gov, retrieved 2026-08-05
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0479.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html