On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
Seyfarth Synopsis: The U.S. Environmental Protection Agency (EPA or Agency) has released a pre-publication copy of its proposed amendments to the Air Toxics Standards for Industrial, Commercial, and Institutional Boilers and...more
Seyfarth Synopsis: Last week, the U.S. Environmental Protection Agency (EPA or Agency) initiated the first phase of a two phased approach to address ethylene oxide (EtO) emissions, announcing final amendments to the...more
On December 27, EPA proposed to revise the cost finding associated with the Mercury and Air Toxics Standards (MATS) along with the risk and technology review required by the Clean Air Act. (EPA Announcement)....more