---
type: threshold
id: ammonium-perfluorooctanoate
asset: workplace-exposure-limits
title: "Ammonium perfluorooctanoate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "3825261 | S | Ammonium perfluorooctanoate | -- | 0.01"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Ammonium perfluorooctanoate"
pel_mgm3: "0.01"
verified: true
---
**Substance:** Ammonium perfluorooctanoate

**PEL (mg/m³):** 0.01

> 3825261 | S | Ammonium perfluorooctanoate | -- | 0.01

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