![]() ![]() Miscellaneous Data and Conversion Factors - September 1985 (32 pp, 103 K, About PDF) Introduction to AP-42, Volume I, Fifth Edition ( PDF) - January 1995 (10 pp, 70 K, About PDF) For sections and chapters added after November 1997, see the chapter web pages below. This is current through the Fifth Edition, Supplement C of AP-42. Draft/Revised/New Emissions Factorsĭocumentation Supporting Draft and New Emissions Factors AP-42 Draft Emissions Factors, But Not FinalizedĪfter the comment period, can I use a draft section? (txt) (1 p, 1 K) Chapter & SectionĪP-42, Fifth Edition Compilation of Air Pollutant Emissions Factors, Volume 1: Stationary Point and Area Sources ChapterĬover page, detailed Table of Contents, Publications in Series, Insertion Instructions, and Key Word Index (PDF) (26 pp, 128 K, About PDF). Use the AP-42 Chapter webpage links below to access the document by chapter. Since then EPA has published supplements and updates to the fifteen chapters available in Volume I, Stationary Point and Area Sources. The latest emissions factors are available below on this website. The Fifth Edition of AP-42 was published in January 1995. The emissions factors have been developed and compiled from source test data, material balance studies, and engineering estimates. ![]() A source category is a specific industry sector or group of similar emitting sources. It contains emissions factors and process information for more than 200 air pollution source categories. Join the CHIEF Listserv to receive information about new emissions factors, conferences, updates to software tools and related information by contacting Compilation of Air Pollutant Emissions Factors (AP-42)ĪP-42, Compilation of Air Pollutant Emissions Factors, has been published since 1972 as the primary compilation of EPA's emissions factor information. For more information on the final factors, please see the Documentation Supporting Draft and Final Emissions Factors webpage. ![]() The draft new/revised emissions factors have now been finalized. ![]()
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