---
type: threshold
id: 4-methoxyphenol
asset: workplace-exposure-limits
title: "4-Methoxyphenol — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "150765 | | 4-Methoxyphenol | -- | 5"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "4-Methoxyphenol"
pel_mgm3: "5"
verified: true
---
**Substance:** 4-Methoxyphenol

**PEL (mg/m³):** 5

> 150765 | | 4-Methoxyphenol | -- | 5

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