Ethyleneimine — workplace exposure limit
What is the niosh rel, as stated for Ethyleneimine — workplace exposure limit?
For Ethyleneimine, niosh rel, as stated is Ca See Appendix A; cas no. is 151-56-4, verified against its source on 2026-09-08.
NIOSH REL Ca See Appendix A
— cdc.gov, retrieved 2026-09-08
- Substance
- Ethyleneimine verified
- CAS No.
- 151-56-4 verified
- NIOSH REL, as stated
- Ca See Appendix A verified
- PEL (ppm)
- 0.5 per dir.ca.gov
- PEL (mg/m³)
- 1 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 - Ethyleneimine
CAS No.
CAS No. 151-56-4
— all from cdc.gov, retrieved 2026-09-08
What osha.gov says
Ethyleneimine; see 1910.1012 | 151-56-4 | - | - | - |
— osha.gov, retrieved 2026-08-05
What dir.ca.gov says
151564 | S | Ethyleneimine; see also Section 5209 | 0.5 | 1
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0274.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html