---
type: threshold
id: cobalt-metal-fume-and-dust-as-co
asset: workplace-exposure-limits
title: "Cobalt, metal fume and dust, as Co — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "7440484 | | Cobalt, metal fume and dust, as Co | -- | 0.02"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Cobalt, metal fume and dust, as Co"
pel_mgm3: "0.02"
verified: true
---
**Substance:** Cobalt, metal fume and dust, as Co

**PEL (mg/m³):** 0.02

> 7440484 | | Cobalt, metal fume and dust, as Co | -- | 0.02

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