# Toluene; toluol — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Toluene; toluol, pel (ppm) is 10; pel (mg/m³) is 37; ceiling is 500 ppm; stel (ppm) is 150; stel (mg/m³) is 560, verified against its source on 2026-08-05.

- **Substance:** Toluene; toluol
- **PEL (ppm):** 10
- **PEL (mg/m³):** 37
- **Ceiling:** 500 ppm
- **STEL (ppm):** 150
- **STEL (mg/m³):** 560

## What the source says

> 108883 | S | Toluene; toluol | 10 | 37 | 500 ppm | 150 | 560

## 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/).