Compilation of Air Pollutant Emissions Factors (AP-42) AP-42, Compilation of Air Pollutant Emissions Factors, has been published since 1972 as the primary compilation of EPA’s emissions factor information. It contains emissions factors and process information for more than 200 air pollution source categories.

Is there any website which gives information about Index II?

There is a website which gives information about Index II. Information on this website is owned, maintained and updated by : Dept. Of Registration & Stamps,Maharashtra.

What does apap-42 stand for?

AP-42, Compilation of Air Pollutant Emission Factors, has been published since 1972 as the primary compilation of EPA’s emission factor information.

How are the emissions factors in AP-42 compiled?

The emissions factors have been developed and compiled from source test data, material balance studies, and engineering estimates. The Fifth Edition of AP-42 was published in January 1995. Since then EPA has published supplements and updates to the fifteen chapters available in Volume I, Stationary Point and Area Sources.

How do I access the AP-42 document by chapter?

Use the AP-42 Chapter webpage links below to access the document by chapter. Cover page, detailed Table of Contents, Publications in Series, Insertion Instructions, and Key Word Index (PDF) (26 pp, 128 K, About PDF). This is current through the Fifth Edition, Supplement C of AP-42.

When was the 5th edition of AP-42 published?

The Fifth Edition of AP-42 was published in January 1995. 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. Use the AP-42 Chapter webpage links below to access the document by chapter.