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

LimitValueApplies to
8-hour TWA 0.02 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 91/2
Metals & metalloids by XRF
Method document (opens in a new tab)
Active (pump) IOM with 0.8µm MCE filter 225-70A
225-19
NIOSH 6009
Mercury by AAS
Method document (opens in a new tab)
Active (pump) Anasorb C300 tube (200mg) with prefilter in cassette AA 226-17-1A
225-3-01
OSHA ID 140 Active (pump) AA 226-17-1A
225-3-01
OSHA ID 140 Active (pump) AA 520-03
520-02A
OSHA ID 145 Active (pump) AA 225-3-01
225-1
OSHA ID 145 wipe 225-24
OSHA ID-140
Mercury (vapour & particulate) by AAS
Method document (opens in a new tab)
Active (pump) Anasorb C300 sorbent tube (200mg) with prefilter in cassette 226-17-1A
225-3-01
OSHA ID-140
Mercury vapour by AAS
Method document (opens in a new tab)
Passive Passive sampler 520-02A
520-03
OSHA ID-145
Mercury (particulate) by AAS
Method document (opens in a new tab)
Active (pump) 0.8µm MCE filter in cassette 225-3-01
225-1
Non-agency
Mercury vapour by Colorimetric analysis
Direct-reading Gastec detector tube 810-40
Non-agency 17 Active (pump) AA 226-17-1A
Non-agency 17 Active (pump) AA 226-17-3A
Other Passive AAS 520-02A
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)