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 This website is no longer updated and links to external websites and some internal pages may not work.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


Audit Policies, Guidance and Protocols

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

Audit Policy

Audit Protocols

Comprehensive Environmental Response, Compensation and Liability (CERCLA)

Clean Water Act (CWA)

Emergency Planning and Community Right-to-Know Act (EPCRA)

Federal Insecticide, Fungicide and Rodenticide Act (FIFRA)

Resource Conservation and Recovery Act (RCRA)

Safe Drinking Water Act (SWDA)

Toxic Substances Control Act (TSCA)

Federal Facilities

Top of Page