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 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Major Source Boiler Maximum Achievable Control Technology (MACT) Webinar: Overview of Requirements

EPA held a webinar on November 21, 2013 to help with understanding EPA's Major Source Boiler Maximum Achievable Control Technology (MACT) Rule. This webinar provides an overview of EPA’s rule to reduce air emissions from major sources of industrial, commercial, and institutional boilers and process heaters.

To learn more about the rule visit the Industrial, Commercial, and Institutional Boilers and Process Heaters: National Emission Standards for Hazardous Air Pollutants (NESHAP) Major Sources page.

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