# TEPP; tetraethyl pyrophosphate; — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For TEPP; tetraethyl pyrophosphate;, pel (ppm) is 0.004; pel (mg/m³) is 0.05, verified against its source on 2026-08-05.

- **Substance:** TEPP; tetraethyl pyrophosphate;
- **PEL (ppm):** 0.004
- **PEL (mg/m³):** 0.05

## What the source says

> 107493 | S | TEPP; tetraethyl pyrophosphate; | 0.004 | 0.05

## 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/).