December 27, 2023

EPA Begins TSCA Prioritization Process for Five Chemicals, Requires Reporting on MBOCA

The U.S. Environmental Protection Agency (EPA) announced on December 18, 2023, that it is beginning the process to prioritize five additional toxic chemicals for risk evaluation under the Toxic Substances Control Act (TSCA). 88 Fed. Reg. 87423. The chemicals are acetaldehyde, acrylonitrile, benzenamine, 4,4’-methylene bis(2-chloroaniline) (MBOCA), and vinyl chloride. EPA seeks relevant information, including but not limited to, the chemical substance’s hazard and exposure potential; the...