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 This website is no longer updated and links to external websites and some internal pages may not work.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

General Conformity

General Conformity Training Module II: Key Concepts

This module provides information on evaluating the applicability of the regulations to federal actions, the requirements for determining conformity, and the review process for a determination and is designed for the program managers and others who need a working knowledge of the program.

Detailed information on the steps to conduct conformity evaluations are found in Module III.