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 This website is no longer updated and links to external websites and some internal pages may not work.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

Innovations in Site Characterization: Interim Guide to Preparing Case Studies

Cost-effective cleanup (remediation) of hazardous waste sites cannot occur unless the type, quantities, and locations of chemical contaminants present at the site are adequately determined by a process called characterization. This guide is intended to assist in the preparation of Site Characterization Case Study Reports.

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