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Published April 4, 1997 | public
Journal Article

The Atmospheric Aerosol-Forming Potential of Whole Gasoline Vapor


A series of sunlight-irradiated, smog-chamber experiments confirmed that the atmospheric organic aerosol formation potential of whole gasoline vapor can be accounted for solely in terms of the aromatic fraction of the fuel. The total amount of secondary organic aerosol produced from the atmospheric oxidation of whole gasoline vapor can be represented as the sum of the contributions of the individual aromatic molecular constituents of the fuel. The urban atmospheric, anthropogenic hydrocarbon profile is approximated well by evaporated whole gasoline, and thus these results suggest that it is possible to model atmospheric secondary organic aerosol formation.

Additional Information

© 1997 American Association for the Advancement of Science. Received 2 December 1996; accepted 5 February 1997. We would like to acknowledge support by the U.S. Environmental Protection Agency Center on Airborne Organics, the National Science Foundation, the Deutsche Forschungsgemeinschaft, the Coordinating Research Council, and the Chevron Corporation. We would also like to thank S. Kent Hoekman for his helpful comments.

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