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Assessing and Managing Chemicals under TSCA

Supporting Documents for Manufacturer Requested Risk Evaluation for Octamethylcyclotetra- siloxane (D4)

Documents supporting the Section 6 manufacturer’s request for risk evaluation submitted by the American Chemistry Council’s Silicones Environmental, Health, and Safety Center (SEHSC) are provided below. EPA received a complete request on March 19, 2020 and granted the request on October 6, 2020. A revised version of "EPA’s Possible Additional Conditions of Use for D4" was posted here and in the docket on October 8, 2020. The June 2020 version of "EPA’s Possible Additional Conditions of Use for D4" released for public comment is available in docket EPA-HQ-OPPT-2018-0443.

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

Back to list of manufacturer-requested risk evaluations.

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