# Glyoxal, 1,2-ethanedione — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Glyoxal, 1,2-ethanedione, pel (mg/m³) is 0.1 (s), (u), verified against its source on 2026-08-05.

- **Substance:** Glyoxal, 1,2-ethanedione
- **PEL (mg/m³):** 0.1 (s), (u)

## What the source says

> 107222 | | Glyoxal, 1,2-ethanedione | -- | 0.1 (s), (u)

## 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/).