Coal ash is shown in settling ponds at Duke Energy's Riverbend power plant on Mountain Island Lake in a 2008 photo.
Coal ash is shown in settling ponds at Duke Energy's Riverbend power plant on Mountain Island Lake in a 2008 photo. JEFF WILLHELM Staff Photographer
Coal ash is shown in settling ponds at Duke Energy's Riverbend power plant on Mountain Island Lake in a 2008 photo. JEFF WILLHELM Staff Photographer

Duke Energy, critics ask that ash suits be closed

July 22, 2015 02:54 PM