On February 19, 2020, the U.S. Environmental Protection Agency (EPA) released its review plan for certain confidential business information (CBI) claims under the Toxic Substances Control Act (TSCA). Aiming to provide clarity for affected stakeholders and efficiently fulfill CBI requirements under TSCA, EPA will review CBI claims made for chemical substance identity for chemicals on the “active” portion of the TSCA Inventory. The final rule is a follow-on to the 2017 TSCA Inventory Notification (Active-Inactive) Rule, amending certain substantiation provisions in response to a federal court decision. Chemical manufacturers and/or processors who have made CBI claims for specific chemical identities listed as “active” substances must follow the final process released by EPA. The final review plan describes the procedures and deadlines for substantiating CBI claims, including provisions for supplementing certain previously filed substantiations. It is important to note that manufacturers that amend, update, or file new CBI substantiations consistent with the new requirements must do so electronically via EPA’s Central Data Exchange (CDX) system.

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