---
type: threshold
id: carbon-tetrabromide
asset: workplace-exposure-limits
title: "Carbon tetrabromide — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "558134 | | Carbon tetrabromide | 0.1 | 1.4 | | 0.3 | 4"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Carbon tetrabromide"
pel_ppm: "0.1"
pel_mgm3: "1.4"
stel_ppm: "0.3"
stel_mgm3: "4"
verified: true
---
**Substance:** Carbon tetrabromide

**PEL (ppm):** 0.1

**PEL (mg/m³):** 1.4

**STEL (ppm):** 0.3

**STEL (mg/m³):** 4

> 558134 | | Carbon tetrabromide | 0.1 | 1.4 | | 0.3 | 4

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