---
type: threshold
id: 1-1-dichloroethane
asset: workplace-exposure-limits
title: "1,1-Dichloroethane — 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: "1,1-Dichloroethane | 75-34-3 | 100 | 400 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "1,1-Dichloroethane"
cas_number: "75-34-3"
pel_ppm: "100"
pel_mgm3: "400"
verified: true
---
**Substance:** 1,1-Dichloroethane

**CAS No.:** 75-34-3

**PEL (ppm):** 100

**PEL (mg/m³):** 400

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

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