Identification of a potential source of chloroform in urban air: Preliminary Communication |
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Authors: | DE Harsch RA Rasmussen D Pierotti |
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Institution: | Air Pollution Research Section Department of Chemical Engineering Washington State University Pullman, Washington 99164 USA;Environmental Engineering Department Oregon Graduate Center Beaverton, Oregon 97005 USA |
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Abstract: | A new potential source of elevated chloroform (CHCl3) concentrations in urban air is reported. The exhaust gases from gasoline internal combustion engines operated on conventional “leaded” fuel and not equipped with catalytic converters contain parts-per-billion concentrations of chloroform which can, in congested urban areas, contribute significantly to the ambient concentration of chloroform. Exhaust gases from engines burning conventional “leaded” gasoline contain much higher levels of chloroform than do exhaust gases from engines equipped with catalytic converters and operating on “nonleaded” gasoline. |
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