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 This website is no longer updated and links to external websites and some internal pages may not work.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

Brief Summary of New EPA Regulations for Nine Metal Fabrication and Finishing Source Categories 40 CFR Part 63 Subpart XXXXXX

This is a short summary of things any affected facility in the nine metal fabrication and finishing source categories must do to comply with the new rule.

For more information on the rule, visit the regulation page for Metal Fabrication and Finishing Source Categories: National Emission Standards for Hazardous Air Pollutants (NESHAP) Area Source Standards.

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