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Development of Gridded Mobile Source Emission Estimates for Nueces County FY93, FY96, FY99, and FY07 in Support of the COAST Project
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1995-08-01
[PDF-2.97 MB]
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Edition:Interim: April 1992 - August 1996
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Abstract:This report documents the methodology used to develop the Nueces County gridded mobile source emissions inventories. Included in the report are an overview of the emission estimation methodology involving a Graphic Information System application; the methods used to estimate the seasonally adjusted vehicle miles of travel and associated operating speeds; the estimation of the emission rates using the EPA's MOBILE5a program; and an outline of the method used to develop the emission estimates using the MOBILE5a emission rates. The appendices present the MOBILE5a set-ups; the emission rates developed for the emissions inventory; and the SUMALL output tables showing VMT, VHT, and average operational speeds cross-classified by vehicle and roadway type, and pounds of VOC, CO, and NOx cross-classified by vehicle and roadway type.
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