---
type: threshold
id: propylene-dichloride-1-2-dichloropropane
asset: workplace-exposure-limits
title: "Propylene dichloride; 1,2-dichloropropane — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "78875 | | Propylene dichloride; 1,2-dichloropropane | 75 | 350 | | 110 | 510"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Propylene dichloride; 1,2-dichloropropane"
pel_ppm: "75"
pel_mgm3: "350"
stel_ppm: "110"
stel_mgm3: "510"
verified: true
---
**Substance:** Propylene dichloride; 1,2-dichloropropane

**PEL (ppm):** 75

**PEL (mg/m³):** 350

**STEL (ppm):** 110

**STEL (mg/m³):** 510

> 78875 | | Propylene dichloride; 1,2-dichloropropane | 75 | 350 | | 110 | 510

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