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 This website is no longer updated and links to external websites and some internal pages may not work.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

Emissions Inventory Final Rule TSD

This technical support document (TSD) provides the details of emissions data processing done in support of EPA's final rulemaking effort for the Federal Transport Rule, now known as the Cross-State Air Pollution Rule.

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