---
title: "Chlorine (7782-50-5): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/chlorine-7782-50-5/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/chlorine-7782-50-5/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/chlorine-7782-50-5/
---

Hazard search

# Chlorine

CAS number

7782-50-5

Also known as

Chlorine (prefiltered) · Cl

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 15-minute STEL | 0.5 ppm |  |
| 15-minute STEL | 1.5 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 6011** / Chlorine by IC / [Method document (opens in a new tab)](https://www.cdc.gov/niosh/docs/2003-154/pdfs/6011.pdf) | Active (pump) | Silver membrane filter with PTFE prefilter in cassette | IC | [225-9006](https://analyt-mtc.com/catalog/product/silver-membrane-filters/#part-225-9006) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **OSHA ID 101** | Active (pump) |  | ISE | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) / [225-3-23](https://analyt-mtc.com/catalog/product/sureseal-cassette-blanks/#part-225-3-23) / [225-2901](https://analyt-mtc.com/catalog/product/filter-supports/#part-225-2901) / [225-17-21](https://analyt-mtc.com/catalog/product/ptfe-polytetrafluoroethylene-filters/#part-225-17-21) |
| **OSHA ID-101** / Chlorine by ISE / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-id101.pdf) | Active (pump) | Fritted midget impinger (with prefilter for particulates if required) |  | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) / 225-2708 / [225-2901](https://analyt-mtc.com/catalog/product/filter-supports/#part-225-2901) / 225-3 |
| **OSHA ID-126SGX** / Chlorine & Chlorine dioxide by Titration / [Method document (opens in a new tab)](http://www.osha.gov/dts/sltc/methods/inorganic/t-id126sgx-pv-01-0112-m/t-id126sgx-pv-01-0112-m.html) | Active (pump) | Impinger with glass fibre prefilter in cassette |  | [225-36-2](https://analyt-mtc.com/catalog/product/skc-impingers/#part-225-36-2) / [225-22](https://analyt-mtc.com/catalog/product/biosampler/#part-225-22) / 225-2708 / [225-2901](https://analyt-mtc.com/catalog/product/filter-supports/#part-225-2901) / 225-3 |
| **Non-agency** / Chlorine by Colorimetric analysis | Direct-reading | Gastec Detector tube |  | 810-8 / [810-80](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-80) |
| **Non-agency** / Chlorine by Colorimetric analysis | Passive | Gastec Dosi-tube |  | [810-8D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-8d) / [810-132D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-132d) |
| **Other** | Passive |  | DR | [810-132D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-132d) |
| **Other** | Passive |  | DR | [810-8D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-8d) |

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: [SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)