Clearinghouse for Inventories and Emissions Factors (CHIEF)
CHIEF Listserv
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CHIEF Listserv provides notices of conferences, new EIAG and MPG documents, updates on electronic reporting, and other emission factor and inventory information via e-mail.
CHIEF Archive Search
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The CHIEF Archive is a collection of references cited in the Compilation of Air Pollutant Emissions Factors, AP-42, Volume I: Stationary Point & Area Sources and the supporting background documentation.
Air Emissions Inventories, Modeling, Monitoring and Emissions Factors
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The collection of EPA resources dealing with air emissions data, estimates, monitoring, reporting, modeling and inventories are accessible on this page.