Hazard search
Bromomethane
- CAS number
- 74-83-9
- Also known as
- Bromomethane (methyl bromide) · Methyl bromide · Methyl bromide (bromomethane)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 5 ppm | |
| 8-hour TWA | 20 mg/m³ | |
| 15-minute STEL | 15 ppm | |
| 15-minute STEL | 59 mg/m³ |
Notations
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 88 VOCs by solvent desorption and GC Method document (opens in a new tab) | Passive | Passive sampler | 575-001 575-002 | |
| NIOSH 2520 GC-AED Method document (opens in a new tab) | Active (pump) | Sorbent Tube | GC-Aed | 226-82 226-44-02 |
| OSHA PV2040 | Active (pump) | GC-FID | 226-83 | |
| OSHA PV2040 Methyl bromide by GC-FID Method document (opens in a new tab) | Active (pump) | Anasorb 747 tube (400/200mg) | GC-FID | 226-82 222-3L-1 224-29D |
| ASTM D5466 VOCs by GC -MS Method document (opens in a new tab) | Active (pump) | Canister | GC-MS | |
| Non-agency Methyl bromide by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-136H 810-136L 810-136LA 810-136LL | |
| Other | Passive | GC-FID | 575-001 575-002 |
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)