---
title: "Nitrogen dioxide (10102-44-0): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/nitrogen-dioxide-10102-44-0/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/nitrogen-dioxide-10102-44-0/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/nitrogen-dioxide-10102-44-0/
---

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)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/6014-1.pdf) | Active (pump) | Set of two molecular sieve tubes (400mg) with oxidiser tube (800mg) | VAS | [226-40A](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-40a) / [226-182](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-182a) / [226-182A](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-182a) |
| **OSHA ID 182** | Active (pump) |  | IC | [226-40-02](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-40-02) |
| **OSHA ID-182** / Nitrogen dioxide by IC / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-id182.pdf) | Active (pump) | Set of two treated molecular sieve tubes (400mg) with oxidiser tube (800mg) OR treated molecular sieve tube (400/200mg) | IC | [226-40A](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-40a) / [226-40-02](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-40-02) / [226-182](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-182a) / [226-182A](https://analyt-mtc.com/catalog/product/skc-specific-sorbent-tubes/#part-226-182a) |
| **Non-agency** / Nitrogen dioxide by Colorimetric analysis | Direct-reading | Gastec Detector tube |  | [810-9L](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-9l) / [810-10](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-10) / [810-80](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-80) / [810-52](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-52) |
| **Non-agency** / Nitrogen dioxide by Colorimetric analysis | Passive | Gastec Dosi-tube |  | [810-9D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-9d) / [810-9DL](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-9dl) |
| **Non-agency** / Nitrogen dioxide by IC | Passive | UMEx 200 Passive Sampler |  | [500-200](https://analyt-mtc.com/catalog/product/skc-umex-200-passive-sampler-so2-no2/#part-500-200) |
| **Other** | Passive |  | DR |  |
| **Other** | Passive |  | IC | [500-200](https://analyt-mtc.com/catalog/product/skc-umex-200-passive-sampler-so2-no2/#part-500-200) |
| **Other** | Passive |  | DR | [810-9DL](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-9dl) / [810-9D](https://analyt-mtc.com/catalog/product/gastec-passive-dosi-tubes/#part-gst-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)](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/)