# Hydrogen peroxide — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Hydrogen peroxide, cas no. is 7722-84-1; pel (ppm) is 1; pel (mg/m³) is 1.4, verified against its source on 2026-08-05.

- **Substance:** Hydrogen peroxide
- **CAS No.:** 7722-84-1
- **PEL (ppm):** 1
- **PEL (mg/m³):** 1.4

## What the source says

> Hydrogen peroxide | 7722-84-1 | 1 | 1.4 | - |

## Source

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

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).