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Main Title Neighborhood Scale Modeling of PM(sub 2.5) and Air Toxics Concentration Distributions to Drive Human Exposure Models.
Author Ching, J.; Lacser, A.; Otte, T. L.; Herwehe, J.; Byun, D.;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab.
Publisher 2003
Year Published 2003
Report Number EPA/600/A-03/051;
Stock Number PB2004-101309
Additional Subjects Air quality; Public health; Exposure; Air pollution; Models; Toxins; Particulates; CMAQ Modeling System; Models-3 CMAQ; CMAQ(Community Multiscale Air Quality)
Holdings
Library   Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS PB2004-101309 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 03/15/2004
Collation 5p
Abstract
Air quality (AQ) simulation models provide a basis for implementing the National Ambient Air Quality Standards (NAAQS) and are a tool for performing risk-based assessments and for developing environmental management strategies. Fine particulate matter (PM (sub)2,5), its constituents and size and number distribution, as well as airborne toxic pollutants (air toxins) have characteristically different degrees of spatial and temporal variability especially in urban areas and in different geographical-climatic regimes. In this study, we explore the specific role of AQ models as a means to drive human exposure models (Burke et al. 2001) and to address situations in which pollutants exhibit high spatial and temporal variability. We seek a capability to capture the resolved-scale concentration fields and to provide measures of sub-grid-scale variability in concentration distributions that impact human exposures.
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