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  • Title: Secondary organic aerosol formation from the irradiation of simulated automobile exhaust.
    Author: Kleindienst TE, Corse EW, Li W, McIver CD, Conver TS, Edney EO, Driscoll DJ, Speer RE, Weathers WS, Tejada SB.
    Journal: J Air Waste Manag Assoc; 2002 Mar; 52(3):259-72. PubMed ID: 11924857.
    Abstract:
    A laboratory study was conducted to evaluate the potential for secondary organic aerosol formation from emissions from automotive exhaust. The goal was to determine to what extent photochemical oxidation products of these hydrocarbons contribute to secondary organic aerosol (SOA) and how well their formation is described by recently developed models for SOA formation. The quality of a surrogate was tested by comparing its reactivity with that from irradiations of authentic automobile exhaust. Experiments for secondary particle formation using the surrogate were conducted in a fixed volume reactor operated in a dynamic mode. The mass concentration of the aerosol was determined from measurements of organic carbon collected on quartz filters and was corrected for the presence of hydrogen, nitrogen, and oxygen atoms in the organic species. A functional group analysis of the aerosol made by Fourier transform infrared (FTIR) spectroscopy indicated
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