VOC air monitoring technology and its application to contaminated land

Sorbent tube sampling together with thermal desorption (TD)–GC(MS) analytical technology has been optimised and validated over many years for monitoring vapour-phase volatile organic chemicals (VOCs) in air.

Both diffusive and pumped sampling mechanisms have proved their worth for a wide range of common volatile organic pollutants at concentrations ranging from hundreds of parts per million in polluted industrial air to low/sub-part per billion levels in the ambient environment.

This application note summarises developments that allow sorbent-tube-based sampling technology to be used to monitor VOCs in contaminated land.

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