---
type: threshold
id: kaolin-respirable-dust-containing-no-asbestos-and-1-crystaline-silica
asset: workplace-exposure-limits
title: "Kaolin; (respirable dust containing no asbestos and <1% crystaline silica) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "1332587 | | Kaolin; (respirable dust containing no asbestos and <1% crystaline silica) | -- | 2"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Kaolin; (respirable dust containing no asbestos and <1% crystaline silica)"
pel_mgm3: "2"
verified: true
---
**Substance:** Kaolin; (respirable dust containing no asbestos and <1% crystaline silica)

**PEL (mg/m³):** 2

> 1332587 | | Kaolin; (respirable dust containing no asbestos and <1% crystaline silica) | -- | 2

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