Perlite — workplace exposure limit
What is the niosh rel, as stated for Perlite — workplace exposure limit?
For Perlite, niosh rel, as stated is TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp); cas no. is 93763-70-3, verified against its source on 2026-09-08.
NIOSH REL TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
— cdc.gov, retrieved 2026-09-08
- Substance
- Perlite verified
- CAS No.
- 93763-70-3 verified
- NIOSH REL, as stated
- TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) 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 - Perlite
CAS No.
CAS No. 93763-70-3
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0491.html