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Application Note 049
Application note
Categories: Industrial air Air toxics Ozone precursors Thermal desorption Passive sampling Active sampling Thermal desorption tubes Application note

Diffusive (passive) monitoring and TD–GC analysis of hazardous air pollutants in industrial and urban locations

Application Note 049

This application note describes the monitoring of benzene and other vapour-phase organic compounds in urban or industrial air using diffusive (passive) sampling onto sorbent tubes with subsequent analysis by thermal desorption with gas chromatography.

It summarises how this robust and cost-effective air monitoring technique should be applied to monitoring airborne VOCs around the perimeter of oil refineries and other industrial facilities.

Topics covered include advice on sorbent selection, determination of uptake rates, deployment of samplers, method sensitivity and application/interpretation of data.

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