Hazard search
1,2,4-Trichlorobenzene
- CAS number
- 120-82-1
- Also known as
- 1,2,4-Trichlorobenzene (polychlorobenzenes)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 1 ppm | |
| 15-minute STEL | 5 ppm |
Notations
- Sk: can be absorbed through the skin
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 80 | Active (pump) | GC-ECD | 225-17-03 226-30-04 225-1 | |
| NIOSH 5517 Polychlorobenzenes by GC-ECD Method document (opens in a new tab) | Active (pump) | 13mm, 5µm PTFE filter in stainless steel holder with XAD-2 tube (100/50mg) | GC-ECD | 226-30-04 |
| ASTM D 5466 | GC-MS | |||
| Non-agency 1,2,4-Trichlorobenzene by Colorimetric analysis | Direct-reading | Gastec detector tube | 810-131La | |
| Non-agency VOCs by solvent desorption and GC-FID Method document (opens in a new tab) | Passive | Passive sampler | 575-001 575-002 | |
| Other | Passive | GC-FID | 575-001 |
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)