Hazard search
Nitrogen dioxide
- CAS number
- 10102-44-0
- Also known as
- Nitrogen dioxide (see online Passive Sampling Guide) · Nitrogen peroxide · NO2
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.5 ppm | |
| 8-hour TWA | 0.96 mg/m³ | |
| 15-minute STEL | 1 ppm | |
| 15-minute STEL | 1.91 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| NIOSH 6014 Nitric oxide & Nitrogen dioxide by VIS - MODIFICATIONS TO METHOD REQUIRED - CONTACT SKC Method document (opens in a new tab) | Active (pump) | Set of two molecular sieve tubes (400mg) with oxidiser tube (800mg) | VAS | 226-40A 226-182 226-182A |
| OSHA ID 182 | Active (pump) | IC | 226-40-02 | |
| OSHA ID-182 Nitrogen dioxide by IC Method document (opens in a new tab) | Active (pump) | Set of two treated molecular sieve tubes (400mg) with oxidiser tube (800mg) OR treated molecular sieve tube (400/200mg) | IC | 226-40A 226-40-02 226-182 226-182A |
| Non-agency Nitrogen dioxide by Colorimetric analysis | Direct-reading | Gastec Detector tube | 810-9L 810-10 810-80 810-52 | |
| Non-agency Nitrogen dioxide by Colorimetric analysis | Passive | Gastec Dosi-tube | 810-9D 810-9DL | |
| Non-agency Nitrogen dioxide by IC | Passive | UMEx 200 Passive Sampler | 500-200 | |
| Other | Passive | DR | ||
| Other | Passive | IC | 500-200 | |
| Other | Passive | DR | 810-9DL 810-9D |
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)