# 1,1-Dichloroethane — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For 1,1-Dichloroethane, cas no. is 75-34-3; pel (ppm) is 100; pel (mg/m³) is 400, verified against its source on 2026-08-05.

- **Substance:** 1,1-Dichloroethane
- **CAS No.:** 75-34-3
- **PEL (ppm):** 100
- **PEL (mg/m³):** 400

## What the source says

> 1,1-Dichloroethane | 75-34-3 | 100 | 400 | - |

## Source

- https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).