FACTORS AFFECTING THE SAMPLING OF AIRBORNE POLYCYCLIC AROMATIC HYDROCARBONS—A REVIEW

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Abstract
This literature review has indicated that many difficulties can arise in the sampling of airborne polycyclic aromatic hydrocarbons (PAHs); PAHs can exist in the vapour phase and therefore will not be trapped on particulate filters; PAHs collected on filters can be stripped from the matrix by the sampled air stream. PAHs have also been shown to react with other airborne contaminants on the sampling matrix and these reactions can be influenced by the presence of sunlight or ultraviolet light. In addition losses of sampled material can occur on storage of filters or of extracted material. The main points for consideration when devising a sampling method for the determination of airborne PAHs in a specific workplace are listed in the conclusions.

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