---
type: threshold
id: tepp-tetraethyl-pyrophosphate-2
asset: workplace-exposure-limits
title: "TEPP; tetraethyl pyrophosphate; — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "107493 | S | TEPP; tetraethyl pyrophosphate; | 0.004 | 0.05"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "TEPP; tetraethyl pyrophosphate;"
pel_ppm: "0.004"
pel_mgm3: "0.05"
verified: true
---
**Substance:** TEPP; tetraethyl pyrophosphate;

**PEL (ppm):** 0.004

**PEL (mg/m³):** 0.05

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

Source: <https://www.dir.ca.gov/title8/5155.html>