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 This website is no longer updated and links to external websites and some internal pages may not work.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

Technical Briefs - Homeland Security Research

EPA makes information available in many formats, including condensed technical summaries intended to provide quick access to data needed for decision making. Technical summaries can be used to better understand important topics or identify unique, valuable data not available from other agencies or collaborators.

Technical Summaries