---
type: threshold
id: hydrofluoric-acid-see-hydrogen-fluoride
asset: workplace-exposure-limits
title: "Hydrofluoric acid; see Hydrogen fluoride — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "7664393 | | Hydrofluoric acid; see Hydrogen fluoride"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Hydrofluoric acid; see Hydrogen fluoride"
verified: true
---
**Substance:** Hydrofluoric acid; see Hydrogen fluoride

> 7664393 | | Hydrofluoric acid; see Hydrogen fluoride

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