---
type: threshold
id: propylene
asset: workplace-exposure-limits
title: "Propylene — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "115071 | | Propylene | (h) | --"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Propylene"
verified: true
---
**Substance:** Propylene

> 115071 | | Propylene | (h) | --

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