# 1,2-Dichloroethylene; acetylene dichloride — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For 1,2-Dichloroethylene; acetylene dichloride, pel (ppm) is 200; pel (mg/m³) is 790, verified against its source on 2026-08-05.

- **Substance:** 1,2-Dichloroethylene; acetylene dichloride
- **PEL (ppm):** 200
- **PEL (mg/m³):** 790

## What the source says

> 540590 | | 1,2-Dichloroethylene; acetylene dichloride | 200 | 790

## Source

- 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/).