EPA Regional Programs


Apr. 18, 2018
April 2018 Toxic Substances Control Act (TSCA) Chemical Substance Inventory Now Available
This version serves as the EPA's regular update of the inventory that occurs approximately every 6 months. For the first time, this version includes a field designating which chemical substances were "active" in U.S. commerce based on the following: reporting from the 2012 and 2016 Chemical Data Reporting cycles; Notices of Commencement received by the agency since 21 June 2006; and Notice of Activity Form A's received by the agency through the 7 February 2018 deadline, per the TSCA Inventory Notification (Active-Inactive) rule.

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Last Updated: July 16, 2014