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An emissions inventory is an estimate of the spatial and temporal magnitude of emissions of various pollutants from sources in a region. Emissions inventories are typically divided into categories of point sources (e.g. industrial), on-road mobile (e.g. cars, trucks), non-road mobile (e.g. cranes, forklifts), area (e.g. commercial/residential fuel usage, dry cleaning) and biogenic (e.g. trees, swamps). A good emissions inventory provides input for air quality models that can reliably predict air quality. Accurate emissions inventories are the key to developing emission source-air quality relationships and cost effective control strategies for reducing pollution. Emissions inventories are frequently identified as the largest source of error in the modeling process.
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| Page Updated/Reviewed: 02/15/2007 11:18 AM |
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© 2005 - 2008 Texas Environmental Research Consortium
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