---
type: threshold
id: cumene-isopropylbenzene
asset: workplace-exposure-limits
title: "Cumene; isopropylbenzene — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "98828 | S | Cumene; isopropylbenzene | 50 | 245"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Cumene; isopropylbenzene"
pel_ppm: "50"
pel_mgm3: "245"
verified: true
---
**Substance:** Cumene; isopropylbenzene

**PEL (ppm):** 50

**PEL (mg/m³):** 245

> 98828 | S | Cumene; isopropylbenzene | 50 | 245

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