---
type: threshold
id: ethylbenzene
asset: workplace-exposure-limits
title: "Ethylbenzene — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "100414 | | Ethylbenzene | 5 | 22 | | 30 | 130"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Ethylbenzene"
pel_ppm: "5"
pel_mgm3: "22"
stel_ppm: "30"
stel_mgm3: "130"
verified: true
---
**Substance:** Ethylbenzene

**PEL (ppm):** 5

**PEL (mg/m³):** 22

**STEL (ppm):** 30

**STEL (mg/m³):** 130

> 100414 | | Ethylbenzene | 5 | 22 | | 30 | 130

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