On March 9, 2020, EPA published its final “risk and technology review” for the standards it adopted in 2004 to regulate emissions of hazardous air pollutant (HAP) from natural gas-fired combustion turbines. Like most other such reviews, EPA confirmed that the risks presented by HAP emissions from the source category are acceptable with an ample margin of safety. EPA also concluded that there are no new cost-effective controls for reducing those emissions.

Continue Reading EPA Review of Gas Turbines Confirms Ample Margin of Safety, Even Without Controls

On July 29, EPA Administrator Andrew Wheeler signed a long-anticipated proposal to amend EPA’s 2015 Coal Combustion Residuals (CCR) rule.

EPA’s proposal includes a number of changes, including the establishment of an alternate risk-based groundwater protection standard for boron, revisions to the annual groundwater monitoring and corrective action report requirements, and revisions to the CCR website requirements. The proposal also includes changes in response to the U.S. Court of Appeals for the D.C. Circuit’s August 21, 2018 remand of certain CCR rule provisions. These amendments address the “beneficial use” definition and CCR pile requirements.
Continue Reading EPA Proposes Second Round of CCR Rule Amendments