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. 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. These factors can be found on the Final Revisions to AP-42 Chapter 2, Section 2 – Sewage Sludge Incineration page. EPA has Finalized new/revised emission factors for AP-42 Chapter 2, Section 2 – Sewage Sludge Incineration.

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