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 This website is no longer updated and links to external websites and some internal pages may not work.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

Cleanup Science and Technology

EPA uses many tools to assess, conduct and monitor cleanups. Some of these are innovative while others have been in use for a long time. This list provides links to information about these cleanup tools.