# Xylene; xylol; dimethylbenzene — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Xylene; xylol; dimethylbenzene, pel (ppm) is 100; pel (mg/m³) is 435; ceiling is 300 ppm; stel (ppm) is 150; stel (mg/m³) is 655, verified against its source on 2026-08-05.

- **Substance:** Xylene; xylol; dimethylbenzene
- **PEL (ppm):** 100
- **PEL (mg/m³):** 435
- **Ceiling:** 300 ppm
- **STEL (ppm):** 150
- **STEL (mg/m³):** 655

## What the source says

> 1330207 | | Xylene; xylol; dimethylbenzene | 100 | 435 | 300 ppm | 150 | 655

## 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/).