---
type: threshold
id: 1-1-2-2-tetrachloroethane-acetylene-tetrachloride
asset: workplace-exposure-limits
title: "1,1,2,2-Tetrachloroethane; acetylene tetrachloride — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "79345 | S | 1,1,2,2-Tetrachloroethane; acetylene tetrachloride | 1 | 7"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "1,1,2,2-Tetrachloroethane; acetylene tetrachloride"
pel_ppm: "1"
pel_mgm3: "7"
verified: true
---
**Substance:** 1,1,2,2-Tetrachloroethane; acetylene tetrachloride

**PEL (ppm):** 1

**PEL (mg/m³):** 7

> 79345 | S | 1,1,2,2-Tetrachloroethane; acetylene tetrachloride | 1 | 7

Source: <https://www.dir.ca.gov/title8/5155.html>