# bis-Chloromethyl ether, see also Section 5209 — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For bis-Chloromethyl ether, see also Section 5209, pel (ppm) is 0.001; pel (mg/m³) is 0.005, verified against its source on 2026-08-05.

- **Substance:** bis-Chloromethyl ether, see also Section 5209
- **PEL (ppm):** 0.001
- **PEL (mg/m³):** 0.005

## What the source says

> 542881 | | bis-Chloromethyl ether, see also Section 5209 | 0.001 | 0.005

## 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/).