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 This website is no longer updated and links to external websites and some internal pages may not work.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

The Role of BTAGs in Ecological Assessment

The comprehensive environmental restoration, compensation, and liability act (CERCLA), and the national oil and hazardous materials contingency plan (NCP) mandate that remedial actions

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
  • The Role of BTAGs in Ecological Assessment (PDF)(167 pp, 129 K)
    The comprehensive environmental restoration, compensation, and liability act (CERCLA), and the national oil and hazardous materials contingency plan (NCP) mandate that remedial actions