---
type: threshold
id: 2-4-d-2-4-dichlorophenoxyacetic-acid
asset: workplace-exposure-limits
title: "2,4-D;2,4-dichlorophenoxyacetic 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: "94757 | | 2,4-D;2,4-dichlorophenoxyacetic acid | -- | 10"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "2,4-D;2,4-dichlorophenoxyacetic acid"
pel_mgm3: "10"
verified: true
---
**Substance:** 2,4-D;2,4-dichlorophenoxyacetic acid

**PEL (mg/m³):** 10

> 94757 | | 2,4-D;2,4-dichlorophenoxyacetic acid | -- | 10

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