Sodium hydroxide — workplace exposure limit
What is the pel (mg/m³) for Sodium hydroxide — workplace exposure limit?
For Sodium hydroxide, pel (mg/m³) is 2; cas no. is 1310-73-2, verified against its source on 2026-08-05.
Sodium hydroxide | 1310-73-2 | - | 2 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- Sodium hydroxide verified
- CAS No.
- 1310-73-2 verified
- PEL (mg/m³)
- 2 verified
- NIOSH REL (mg/m³)
- C 2 per cdc.gov
- Ceiling
- C per dir.ca.gov
What cdc.gov says
NIOSH REL C 2 mg/m3
— cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
1310732 | | Sodium hydroxide; caustic soda | -- | 2 | C
— 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/npgd0565.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html