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Pubmed for Handhelds

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  • Title: Hazardous air pollutants from mobile sources in the Metropolitan Area of Mexico City.
    Author: Schifter I, Díaz L, López-Salinas E.
    Journal: J Air Waste Manag Assoc; 2005 Sep; 55(9):1289-97. PubMed ID: 16259424.
    Abstract:
    Environmental agencies are currently in the process of implementing a new air management program, which includes the improvement of fuel quality. In this work, exhaust emissions data and estimated relative risk for various fuels testing in-use vehicles, equipped with three different exhaust emission control technologies, are presented. Aromatics, sulfur, and olefins contents; type of oxygenated compound; and Reid vapor pressure were varied. The aim also includes calculating the ozone (O3) forming potential and a relative cancer risk of emissions from current and formulated gasoline blends in Mexico. The proposed gasoline decreases carbon monoxide, total hydrocarbons (THC), and nitrogen oxides emissions by 18 and 14%, respectively, when compared with gasoline sold in the rest of the country and within ozone nonattainment metropolitan areas in Mexico, respectively.
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