WASHINGTON, April 23 -- The U.S. Environmental Protection Agency has released the following public communication dated March 18, 2025, from the Styrene Information and Research Center Inc. Here is the cover letter: * * * On behalf of the Styrene Information and Research Center, Inc. (SIRC) I submit its comments the selection of styrene as a candidate for designation as a High-Priority Substance for risk evaluation under section 6 of the Toxic Substances Control Act (TSCA). SIRC is a non-profi  more