Abstract
The mutagens or carcinogens were detected in air pollutants from several sources, including combustion products such as diesel exhaust, coal, terchimney soot, fly ash, photocopier toners, cigarette smoke, and other environmental samples. Air Particulate samples for total suspended particle (TSP) was collected from August to December 1999 at Hungkuang Institute of Technology (HKIT) site in central Taiwan, Sha‐Lu. Their mutagenicity was examined with Salmonella Typhimurium TA98 and TA100 in presence or absence of S9 mix. The mutagenicity showed a good correlation with amounts of the acetone extractable matter of airborne particulates. The carcinogenic polycyclic aromatic hydrocarbons (PAHs) in the airborne particulates were extracted by an organic solvent and determined by High Performance Liquid Chromato‐graphy with photodiode array detection (HPLC/PDA). The results indicated that the amounts of acetone extractable matters of air samples showed a significant correlation with direct (r = .87) and indirect mutagenicity (r = .80) in strain TA98 and with direct (r = .73) and indirect mutagenicity (r = .91) in TA100, respectively. In addition, the mutagenic activities were increased significantly during period of November to December in the rural site of central Taiwan, Sha‐Lu.
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