In a somewhat surprising decision issued at the end of 2020, U.S. EPA ruled that Section 112(r)(1) of the Clean Air Act, better known as the “General Duty Clause,” requires facilities to implement the latest industry...more
U.S. EPA’s final rule reversing its 25 year old hazardous air pollutant “once in/always in” policy will soon be published in the Federal Register and will become effective 60 days thereafter. While first announced in a...more
In a major change in air permitting policy, on January 25, 2018 U.S. EPA reversed its longstanding “once in, always in” policy governing what sources are subject to major source regulations for the emissions of air toxics...more