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) | Active (pump) | Silver membrane filter with PTFE prefilter in cassette | IC | 225-9006 225-1 |
| OSHA ID 101 | Active (pump) | ISE | 225-36-2 225-22 225-3-23 225-2901 225-17-21 | |
| OSHA ID-101 Chlorine by ISE Method document (opens in a new tab) | Active (pump) | Fritted midget impinger (with prefilter for particulates if required) | 225-36-2 225-22 225-2708 225-2901 225-3 | |
| OSHA ID-126SGX Chlorine & Chlorine dioxide by Titration Method document (opens in a new tab) | Active (pump) | Impinger with glass fibre prefilter in cassette | 225-36-2 225-22 225-2708 225-2901 225-3 | |
| Non-agency Chlorine by Colorimetric analysis | Direct-reading | Gastec Detector tube | 810-8 810-80 | |
| Non-agency Chlorine by Colorimetric analysis | Passive | Gastec Dosi-tube | 810-8D 810-132D | |
| Other | Passive | DR | 810-132D | |
| Other | Passive | DR | 810-8D |
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)