Methyl demeton — workplace exposure limit
What is the niosh rel (mg/m³) for Methyl demeton — workplace exposure limit?
For Methyl demeton, niosh rel (mg/m³) is TWA 0.5; cas no. is 8022-00-2, verified against its source on 2026-09-08.
NIOSH REL TWA 0.5 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
- Substance
- Methyl demeton verified
- CAS No.
- 8022-00-2 verified
- NIOSH REL (mg/m³)
- TWA 0.5 verified
- PEL (mg/m³)
- 0.5 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 - Methyl demeton
CAS No.
CAS No. 8022-00-2
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
8022002 | S | Methyl demeton; a mixture of o,o-dimethyl o-(2-(ethylthio)ethyl) phosphorothioate and o,o-dimethyl S-(2-(ethylthio)-ethyl) phosphorothioate | -- | 0.5
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0410.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html