---
type: threshold
id: methane
asset: workplace-exposure-limits
title: "Methane — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "74828 | | Methane | (h) | --"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Methane"
verified: true
---
**Substance:** Methane

> 74828 | | Methane | (h) | --

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