# Picric acid; 2,4,6-trinitrophenol — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Picric acid; 2,4,6-trinitrophenol, pel (mg/m³) is 0.1, verified against its source on 2026-08-05.

- **Substance:** Picric acid; 2,4,6-trinitrophenol
- **PEL (mg/m³):** 0.1

## What the source says

> 88891 | S | Picric acid; 2,4,6-trinitrophenol | -- | 0.1

## 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/).