An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Support Center for Regulatory Atmospheric Modeling (SCRAM)

12th Conference on Air Quality Modeling - Documents

The 12th Conference on Air Quality Modeling, mandated by Section 320 of the Clean Air Act, was held on the EPA RTP Campus from October 2nd through 3rd, 2019. This is a public hearing on regulatory air quality model and technique development.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.