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AP-42 Compilation of Air Emissions Factors from Stationary Sources
Description
Primary compilation of EPA's emissions factor information. It contains emissions factors and process information for more than 200 air pollution source categories.
Questions this resource can help answer
What is the emissions rate associated with industrial, commercial, or agricultural sources?
How do I use this resource?
Emissions factors relate the quantity of pollutants released to the atmosphere to an activity that generates pollution. Emissions factors can be multiplied by activity levels to estimate total emissions for a source. The AP42 emissions factors for specific source categories, e.g. solid waste disposal, can be found in specific chapter PDFs.
Pro tips
Resource information
Technical specifications
Emissions factors have been developed and compiled from source test data, material balance studies, and engineering estimates.
15 chapters, 5 appendices, separate PDF for each