March 8, 2022
EPA Publishes Final Scope of D4 Risk Evaluation, Seeks Comment on Draft Revision to PV29 Risk Determination
On March 7, 2022, the U.S. Environmental Protection Agency (EPA) announced the availability of the final scope of the risk evaluation to be conducted for octamethylcyclotetra-siloxane (D4), a chemical substance for which EPA received a manufacturer request for risk evaluation under the Toxic Substances Control Act (TSCA). 87 Fed. Reg. 12696. The scope document includes the conditions of use (COU), hazards, exposures, and the potentially exposed or susceptible subpopulations (PESS)...