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 This website is no longer updated and links to external websites and some internal pages may not work.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

Risk Assessment

Ecological Risk Assessment Guidance for Superfund: Process for Designing and Conducting Ecological Risk Assessments, Introduction, June, 1997

This document provides guidance on the process of designing and conducting technically defensible ecological risk assessments for the Superfund Program.

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