---
type: threshold
id: graphite-natural-respirable-dust-2
asset: workplace-exposure-limits
title: "Graphite, natural respirable dust — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "7782425 | | Graphite, natural respirable dust | | 2.5"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Graphite, natural respirable dust"
pel_mgm3: "2.5"
verified: true
---
**Substance:** Graphite, natural respirable dust

**PEL (mg/m³):** 2.5

> 7782425 | | Graphite, natural respirable dust | | 2.5

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