By Lynn L. Bergeson and Carla N. Hutton
The U.S. Environmental Protection Agency (EPA) announced on March 4, 2022, the availability of the latest Toxic Substances Control Act (TSCA) Inventory. EPA states that the biannual update to the public TSCA Inventory is part of its regular posting of non-confidential TSCA Inventory data. EPA plans the next regular update of the Inventory for summer 2022. According to EPA, the Inventory contains 86,631 chemicals, of which 42,039 are active in U.S commerce. Other updates include new chemical substance additions, commercial activity data and regulatory flags, such as polymer exemptions, TSCA Section 4 test orders, and TSCA Section 5 significant new use rules (SNUR). EPA notes that on October 15, 2021, it announced a list of 377 specific chemical identities that were expected to lose their confidential status and move to the public portion of the Inventory. According to EPA, these 377 are listed in this public Inventory posting by their specific chemical identities.