Ethylene glycol — CAS 107-21-1 — workplace exposure limit
What is the niosh rel, as stated for Ethylene glycol — CAS 107-21-1 — workplace exposure limit?
For Ethylene glycol, niosh rel, as stated is See Appendix D; cas no. is 107-21-1, verified against its source on 2026-09-08.
NIOSH REL See Appendix D
— cdc.gov, retrieved 2026-09-08
- Substance
- Ethylene glycol verified
- CAS No.
- 107-21-1 verified
- NIOSH REL, as stated
- See Appendix D verified
- PEL (ppm)
- 40 per dir.ca.gov
- PEL (mg/m³)
- 100 per dir.ca.gov
- Ceiling notation
- the values given in the PEL columns are ceiling values 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 - Ethylene glycol
CAS No.
CAS No. 107-21-1
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
107211 | | Ethylene glycol (vapor) | 40 | 100 | C
— dir.ca.gov, retrieved 2026-09-28
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0272.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html