---
title: "Mercury (7439-97-6): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/mercury-7439-97-6/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/mercury-7439-97-6/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/mercury-7439-97-6/
---

Hazard search

# Mercury

CAS number

7439-97-6

Also known as

Hg · Mercury & compounds (except alkyl compounds) · Mercury (Rathje & Marcero) · Mercury (vapor) · Mercury (vapor) (see online Passive Sampling Guide) · Mercury, Particulate (in Workplace Atmospheres, air samples) · Mercury, Particulate (in Workplace Atmospheres, wipe samples)

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.02 mg/m³ |  |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 91/2** / Metals & metalloids by XRF / [Method document (opens in a new tab)](http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs91-2.pdf) | Active (pump) | IOM with 0.8µm MCE filter |  | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-19](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-19) |
| **NIOSH 6009** / Mercury by AAS / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/6009.pdf) | Active (pump) | Anasorb C300 tube (200mg) with prefilter in cassette | AA | [226-17-1A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-17-1a) / [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) |
| **OSHA ID 140** | Active (pump) |  | AA | [226-17-1A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-17-1a) / [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) |
| **OSHA ID 140** | Active (pump) |  | AA | [520-03](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-03) / [520-02A](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-02a) |
| **OSHA ID 145** | Active (pump) |  | AA | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **OSHA ID 145** |  |  | wipe | [225-24](https://analyt-mtc.com/catalog/product/smear-tabs/#part-225-24) |
| **OSHA ID-140** / Mercury (vapour & particulate) by AAS / [Method document (opens in a new tab)](http://www.osha.gov/dts/sltc/methods/inorganic/id140/id140.html) | Active (pump) | Anasorb C300 sorbent tube (200mg) with prefilter in cassette |  | [226-17-1A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-17-1a) / [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) |
| **OSHA ID-140** / Mercury vapour by AAS / [Method document (opens in a new tab)](http://www.osha.gov/dts/sltc/methods/inorganic/id140/id140.html) | Passive | Passive sampler |  | [520-02A](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-02a) / [520-03](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-03) |
| **OSHA ID-145** / Mercury (particulate) by AAS / [Method document (opens in a new tab)](https://www.osha.gov/sites/default/files/methods/osha-id145.pdf) | Active (pump) | 0.8µm MCE filter in cassette |  | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **Non-agency** / Mercury vapour by Colorimetric analysis | Direct-reading | Gastec detector tube |  | [810-40](https://analyt-mtc.com/catalog/product/gastec-colour-gas-detector-tubes/#part-gst-40) |
| **Non-agency 17** | Active (pump) |  | AA | [226-17-1A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-17-1a) |
| **Non-agency 17** | Active (pump) |  | AA | [226-17-3A](https://analyt-mtc.com/catalog/product/skc-anasorb-sorbent-tubes/#part-226-17-3a) |
| **Other** | Passive |  | AAS | [520-02A](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-02a) / [520-03](https://analyt-mtc.com/catalog/product/skc-elemental-mercury-passive-sampler/#part-520-03) |

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/)