Air Emissions Factors and Quantification

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Air Emissions Factors and Quantification

Emissions factors are tools for building emissions inventories, guiding air quality management decisions and developing emissions control strategies.  This technical website provides current information on these tools and provides support for using them. 

Air Emission Factors / AP-42

Web Factor and Information Retrieval System (WebFIRE)

Emissions Estimation Tools

See also Clearinghouse for Inventories and Emissions Factors (CHIEF)

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