Citation:

Ching, J., F.S. Binkowski, AND J. Pleim. PRELIMINARY RESULTS: MODELING FINE PARTICULATE MASS FOR THE EASTERN UNITED STATES USING THE EPA REGIONAL PARTICULATE MODEL. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-95/144 (NTIS PB96139118), 1995.

Description:

PM-10, particulate matter less than 10um, is one of several criteria air pollutants for which National Ambient Air Quality Standards (NAAQS) are established by the United States Environmental Protection Agency (EPA) to protect human wealth and welfare. ecently, attention has been focuses on finer particles, those less than about 2.5um. ypically, particles in this size range are as products of atmospheric reactions of sulfur, nitrogen, and organic pollutants. hese pollutants are also primary natural and anthropogenic emissions from urban areas and from point sources in rural areas. he atmospheric lifetimes of aerosol particles can be several days. trategies designed to reduce emissions to achieve NAAQS for particulate matter must incorporate inventories for both primary particulate emissions and development and analysis of control strategies to achieve compliance with NAAQS require regional-to-urban scale photochemical and aerosol models. his paper briefly describes the Regional particulate Model (RPM), and illustrates some of its capabilities with preliminary results. his model was designed for addressing both the assessments and emissions control strategy options required for the NAAQS review. his model provides a basis for understanding the complex temporal and spatial distributions of air pollution on scales ranging from urban-suburban to regional (sub-continental) scales. he model predicts the chemical composition and size distribution of airborne aerosol particles. PM includes the main processes of aerosol dynamics such as growth and coagulation.

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