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 This website is no longer updated and links to external websites and some internal pages may not work.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

Assessing and Managing Chemicals under TSCA

Supporting Documents for Manufacturer Requested Risk Evaluation for Octahydro-tetramethyl-naphthalenyl-ethanone Chemical Category (OTNE)

Documents supporting the Section 6 manufacturer’s request for risk evaluation submitted by International Flavors and Fragrances, Inc. (IFF), Privi Organics USA Corporation (Privi), and DRT America, Inc. (DRT), through the OTNE Consortium, are provided below. EPA received a complete request on November 20, 2020. 

Additional information will be updated periodically as required under the risk evaluation rule.

Back to list of manufacturer-requested risk evaluations.

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