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 This website is no longer updated and links to external websites and some internal pages may not work.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

Mercury and Air Toxics Standards

Study of Hazardous Air Pollutant Emissions from Electric Utility Steam Generating Units -- Final Report to Congress

In the "Utility Air Toxics Study" report to Congress, issued in February 1998, EPA focused on power plants, analyzing emissions of toxic air pollutants, including mercury.

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