# Diethyl ketone — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Diethyl ketone, pel (ppm) is 200; pel (mg/m³) is 705; stel (ppm) is 300; stel (mg/m³) is 1057, verified against its source on 2026-08-05.

- **Substance:** Diethyl ketone
- **PEL (ppm):** 200
- **PEL (mg/m³):** 705
- **STEL (ppm):** 300
- **STEL (mg/m³):** 1057

## What the source says

> 96220 | | Diethyl ketone | 200 | 705 | | 300 | 1057

## 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/).