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 This website is no longer updated and links to external websites and some internal pages may not work.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

Economic and Cost Analysis for Air Pollution Regulations

This website provides access to EPA documents and tools relating to cost, benefit, and economic impact analyses of national stationary source air pollution regulations. This includes Regulatory Impact Analyses (RIAs) and Economic Impact Analyses (EIAs), as well as databases and models. This website also includes analytical guidance and reports on conducting analysis of costs, benefits, and economic impacts of air quality management strategies, programs, and regulations.