# 1,1,2,2-Tetrachloro-1,2-difluoroethane; fluorocarbon 112 — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For 1,1,2,2-Tetrachloro-1,2-difluoroethane; fluorocarbon 112, pel (ppm) is 500; pel (mg/m³) is 4,170, verified against its source on 2026-08-05.

- **Substance:** 1,1,2,2-Tetrachloro-1,2-difluoroethane; fluorocarbon 112
- **PEL (ppm):** 500
- **PEL (mg/m³):** 4,170

## What the source says

> 76120 | | 1,1,2,2-Tetrachloro-1,2-difluoroethane; fluorocarbon 112 | 500 | 4,170

## 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/).