The U.S. Environmental Protection Agency (EPA) announced on November 10, 2022, the availability of the final revision to the risk determination for the methylene chloride risk evaluation issued under the Toxic Substances Control Act (TSCA). 87 Fed .Reg. 67901. EPA states that the revision to the methylene chloride risk determination reflects its announced policy changes to ensure the public is protected from unreasonable risks from chemicals in a way that is supported by science and the law. EPA determined that methylene chloride, as a whole chemical substance, presents an unreasonable risk of injury to health when evaluated under its conditions of use (COU). For more information and our Commentary, please read the full memorandum.