On February 8, 2018, the U.S. Environmental Protection Agency (EPA) announced it is releasing a third alternative approach for assigning and applying unique identifiers (UID) to reconcile the competing requirements of Toxic Substances Control Act (TSCA) Section 14(g) for comment. 83 Fed. Reg. 5623. EPA’s first and second alternative approaches were released for comment in its notice on May 8, 2017 (82 Fed. Reg. 21386). Under amended TSCA, EPA is required to develop...
