---
type: threshold
id: phenyl-mercaptan
asset: workplace-exposure-limits
title: "Phenyl mercaptan — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "108985 | | Phenyl mercaptan | 0.5 | 2"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Phenyl mercaptan"
pel_ppm: "0.5"
pel_mgm3: "2"
verified: true
---
**Substance:** Phenyl mercaptan

**PEL (ppm):** 0.5

**PEL (mg/m³):** 2

> 108985 | | Phenyl mercaptan | 0.5 | 2

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