---
type: threshold
id: 1-2-dichloroethylene
asset: workplace-exposure-limits
title: "1,2-Dichloroethylene — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "1,2-Dichloroethylene | 540-59-0 | 200 | 790 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "1,2-Dichloroethylene"
cas_number: "540-59-0"
pel_ppm: "200"
pel_mgm3: "790"
verified: true
---
**Substance:** 1,2-Dichloroethylene

**CAS No.:** 540-59-0

**PEL (ppm):** 200

**PEL (mg/m³):** 790

> 1,2-Dichloroethylene | 540-59-0 | 200 | 790 | - |

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>