# Methanethiol; see Methyl mercaptan — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Methanethiol; see Methyl mercaptan, substance is Methanethiol; see Methyl mercaptan, verified against its source on 2026-08-05.

- **Substance:** Methanethiol; see Methyl mercaptan

## What the source says

> 74931 | | Methanethiol; see Methyl mercaptan

## Source

- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).