---
type: threshold
id: chlorine
asset: workplace-exposure-limits
title: "Chlorine — 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: "Chlorine | 7782-50-5 | (C)1 | (C)3 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Chlorine"
cas_number: "7782-50-5"
pel_ppm: "(C)1"
pel_mgm3: "(C)3"
verified: true
---
**Substance:** Chlorine

**CAS No.:** 7782-50-5

**PEL (ppm):** (C)1

**PEL (mg/m³):** (C)3

> Chlorine | 7782-50-5 | (C)1 | (C)3 | - |

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