---
type: threshold
id: ozone
asset: workplace-exposure-limits
title: "Ozone — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "Ozone | 10028-15-6 | 0.1 | 0.2 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Ozone"
cas_number: "10028-15-6"
pel_ppm: "0.1"
pel_mgm3: "0.2"
verified: true
---
**Substance:** Ozone

**CAS No.:** 10028-15-6

**PEL (ppm):** 0.1

**PEL (mg/m³):** 0.2

> Ozone | 10028-15-6 | 0.1 | 0.2 | - |

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>