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 This website is no longer updated and links to external websites and some internal pages may not work.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

Office of Inspector General

Report: EPA Can Improve Its Preparation and Use of Independent Government Cost Estimates for Superfund Contracts

Report #10-P-0065February 16, 2010

What We Found

EPA can improve its Superfund IGCEs and the corresponding cost estimating process.

Report Materials

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