EPA Denies Request to Reconsider MATS Startup-Shutdown Rules
Last Friday the U.S. Environmental Protection Agency (EPA) denied a petition filed by environmental groups requesting that the EPA reconsider changes it had made to its Mercury and Air Toxics Standards (MATS) rule. The specific regulations at issue, which are now final, allowed certain operators of plants more flexibility in compliance monitoring and testing during startup and shutdown of certain types of facilities.