---
type: threshold
id: 2-chloropropionic-acid
asset: workplace-exposure-limits
title: "2-Chloropropionic acid — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "598787 | S | 2-Chloropropionic acid | 0.1 | 0.44"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "2-Chloropropionic acid"
pel_ppm: "0.1"
pel_mgm3: "0.44"
verified: true
---
**Substance:** 2-Chloropropionic acid

**PEL (ppm):** 0.1

**PEL (mg/m³):** 0.44

> 598787 | S | 2-Chloropropionic acid | 0.1 | 0.44

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