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 This website is no longer updated and links to external websites and some internal pages may not work.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

Comments on the EPA Toxicology Review of TCE: Developmental Effects

Claims that the evidence used by the EPA to support that TCE and/or metabolites are specific cardiac teratogens is no persuasive of a causal linkage

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