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AP-42 ADDITIONS AND REVISIONS - TRANSPORTABILITY FACTORS FOR FUGITIVE DUST
Citation:
AP-42 ADDITIONS AND REVISIONS - TRANSPORTABILITY FACTORS FOR FUGITIVE DUST.
Impact/Purpose:
Air quality modelers in EPA and in state/local agencies will use these factors to adjust fugitive dust emissions downward before inputting them into grid-based models, to reflect near-source removal.
Description:
The product is a table of factors, one for each county in the US, reflecting the portion of fugitive dust removed very close to the source via impaction on vegetation and similar mechanisms. Factors were based on land cover in area (county or grid cell) A praft final product was distributed in April 2004 and was updated in August 2005. The product consists of an explanatory paper, a spreadsheet, and a list of Source Classification Codes (SCCs) to which the method applies. The final product does not include an AP-42 revision.
