Clearinghouse for Inventories and Emissions Factors (CHIEF)
CHIEF Listserv
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
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
The collection of EPA resources dealing with air emissions data, estimates, monitoring, reporting, modeling and inventories are accessible on this page.