Weakened Coal Ash Standards Spark Controversy EPA proposes weaker coal ash disposal rules. 2008 Tennessee dike failure spread coal ash over 300 acres. EPA originally regulated coal ash, later strengthened by Obama and Biden. Coal associations claim rules divert funds from energy needs. Torrey warns toxic metals leach into water, risking contamination Environmental Regulation | Energy Policy | Toxic Waste United States Nicholas Torrey 1 day ago