Contribution of Highway and Nonroad Mobile Source Categories to Ambient Concentrations of 20 Hazardous Air Pollutants in 1996 2002-01-0650
Ambient concentration modeling was conducted to characterize the relative contribution of various mobile source categories to ambient concentrations of hazardous air pollutants (HAPs), and to more effectively set priorities for additional research. The contribution of highway and nonroad mobile source categories to ambient air concentrations of 20 hazardous air pollutants (HAPs) in 1996 were estimated using the Assessment System for Population Exposure Nationwide (ASPEN) dispersion model. In general, the largest mobile source contributors are onroad gasoline vehicles, followed by nonroad 2-stroke and 4-stroke gasoline equipment. However, for carbonyl compounds the contributions of nonroad diesel engines, aircraft, and onroad heavy duty diesel vehicles are relatively greater.
Citation: Cook, R., Strum, M., Touma, J., and Mason, R., "Contribution of Highway and Nonroad Mobile Source Categories to Ambient Concentrations of 20 Hazardous Air Pollutants in 1996," SAE Technical Paper 2002-01-0650, 2002, https://doi.org/10.4271/2002-01-0650. Download Citation
Rich Cook, Madeleine Strum, Jawad S. Touma, Richard Mason
U.S. EPA, Office of Transportation and Air Quality, U.S. EPA, Office of Air Quality Planning and Standards, Atmospheric Sciences Modeling Division, Air Resources Laboratory, National Oceanic and Atmospheric Administration, (On Assignment to the Office of Air Quality Planning and Standards, U.S. EPA), Dyntel, Inc.
SAE 2002 World Congress & Exhibition
Environmental Issues for the Automotive Industry-SP-1672