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Air Emissions Factors and Quantification

EPA Emissions Factors Archive Guidance and Resource Material

Each link below presents a list of current documents and other resource material on that subject. Distribution and price information is given for obtaining copies. Links are provided for documents which are available for free download from CHIEF and other EPA Web sites. For older materials, check the CHIEF Archive.  

Emissions Factors Reports

EPA Number: AP-42
Publication Title: Compilation of Air Pollutant Emission Factors AP-42, Fifth Edition, Volume I: Stationary Point and Area Sources. U.S. Environmental Protection Agency, Research Triangle Park, NC, January 1995.
Hard Copies Available: U.S. GPO (202) 512-1800 (stock no. 055-000-00500-1, $56) 
Recent supplements in electronic format only.
EPA Number: AP-42, Supplements A - F, Updates 2001-2006
Publication Title: Supplements to the Compilation of Air Pollutant Emission Factors AP-42, Fifth Edition, Volume I: Stationary Point and Area Sources (PDF)(2 pp, 141 K, About PDF) U.S. Environmental Protection Agency, Research Triangle Park, NC, January 1995 - December 2002