---
type: threshold
id: anisidine-ortho-and-para-isomers
asset: workplace-exposure-limits
title: "Anisidine (ortho and para isomers) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "29191524 | S | Anisidine (ortho and para isomers) | 0.1 | 0.5"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Anisidine (ortho and para isomers)"
pel_ppm: "0.1"
pel_mgm3: "0.5"
verified: true
---
**Substance:** Anisidine (ortho and para isomers)

**PEL (ppm):** 0.1

**PEL (mg/m³):** 0.5

> 29191524 | S | Anisidine (ortho and para isomers) | 0.1 | 0.5

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