Caprolactam — workplace exposure limit
What is the niosh rel, as stated for Caprolactam — workplace exposure limit?
For Caprolactam, niosh rel, as stated is Dust: TWA 1 mg/m3 ST 3 mg/m3 Vapor: TWA 0.22 ppm (1 mg/m3) ST 0.66 ppm (3 mg/m3); cas no. is 105-60-2, verified against its source on 2026-09-08.
NIOSH REL Dust: TWA 1 mg/m3 ST 3 mg/m3 Vapor: TWA 0.22 ppm (1 mg/m3) ST 0.66 ppm (3 mg/m3)
— cdc.gov, retrieved 2026-09-08
- Substance
- Caprolactam verified
- CAS No.
- 105-60-2 verified
- NIOSH REL, as stated
- Dust: TWA 1 mg/m3 ST 3 mg/m3 Vapor: TWA 0.22 ppm (1 mg/m3) ST 0.66 ppm (3 mg/m3) 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 - Caprolactam
CAS No.
CAS No. 105-60-2
— all from cdc.gov, retrieved 2026-09-08
Source
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0097.html