Dioxane — workplace exposure limit
What is the niosh rel (ppm) for Dioxane — workplace exposure limit?
For Dioxane, niosh rel (ppm) is C 1; niosh rel (mg/m³) is 3.6; cas no. is 123-91-1, verified against its source on 2026-09-08.
NIOSH REL Ca C 1 ppm (3.6 mg/m3) [30-minute]
— cdc.gov, retrieved 2026-09-08
- Substance
- Dioxane verified
- CAS No.
- 123-91-1 verified
- NIOSH REL (ppm)
- C 1 verified
- NIOSH REL (mg/m³)
- 3.6 verified
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 - Dioxane
CAS No.
CAS No. 123-91-1
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0237.html