National Physical Laboratory

Occupational Air Quality

Accurate monitoring of indoor air quality is important to ensure human exposure to harmful substances does not exceed regulatory limits.

An NPL survey monitors and assesses indoor air quality to provide an accurate account of the levels of gas present in the work place. Routine surveys enable:

  • Assessment and quantification of indoor air quality
  • Identification of air quality zones and areas of exceedance
  • Odour investigations

NPL's experienced staff can design monitoring campaigns and provide expertise and advice to occupational hygienists on the gas species exceeding environmental health regulations.

Species Methods
Acid gases and odorous species SO2, NO2, H2S and NO    Diffusive tubes/badges
Pumped tubes
Canister/grab sampling
Hand held monitors
Mobile laboratory
Continuous/point source
Particulates (PM10)
Light hydrocarbons and combustion products
Benzene, toluene, xylene and ethylbenzene
1,3-butadiene
Ozone precursors
Chlorinated species
Other species on request

Contact

Customer enquiry line: 020 8943 6275
Email: environmental_enquiries@npl.co.uk

Last Updated: 18 Aug 2015
Created: 17 Apr 2007

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