Assessment of the Mutagenicity of Volatile Organic Air Pollutants Before and After Atmospheric Transformation
During the past decade, renewed efforts have emerged to examine the extent to which hazardous compounds (particularly mutagens and carcinogens) are found in the urban atmosphere (20). The majority of these studies examined the organic material associated with particles emitted from specific sources (11). In contrast, only a few studies have examined volatile airborne organic compounds before and after they undergo atmospheric transformation (13). Some studies have shown that the mutagenicity of organic material from combustion sources was altered dramatically by photooxidation processes (1). Such studies also demonstrated that a variety of atmospheric hydrocarbons can be transformed into mutagenic species through these same processes (18). In this chapter, we present an overview of efforts used to assess the effect of atmospheric transformation upon the mutagenicity of airborne compounds.
KeywordsPolycyclic Aromatic Hydrocarbon Mutagenic Activity Allyl Chloride Wood Smoke Atmospheric Reaction
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