---
type: threshold
id: o-toluidine-o-methylaniline
asset: workplace-exposure-limits
title: "o-Toluidine; o-methylaniline — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "95534 | S | o-Toluidine; o-methylaniline | 2 | 9"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "o-Toluidine; o-methylaniline"
pel_ppm: "2"
pel_mgm3: "9"
verified: true
---
**Substance:** o-Toluidine; o-methylaniline

**PEL (ppm):** 2

**PEL (mg/m³):** 9

> 95534 | S | o-Toluidine; o-methylaniline | 2 | 9

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