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                        A glaring loophole already had allowed at least a half-billion tons of the waste to go unregulated. Now the agency says many of the facilities that are subject to the rules do not comply.
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                        The action was prompted by a lawsuit seeking to close a glaring loophole that had left many of the nation’s mountains of coal ash without federal regulations, but the agency would still exempt some disposal sites.
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                        They want the EPA to address a federal loophole they say leaves nearly a billion tons of coal ash unregulated.
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                        Environmental groups that fought for the 2015 coal ash regulations were pleased to see the Biden administration begin to enforce them and expected to get involved in the lawsuit.
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                        It’s been almost a year since a barge transporting coal ash from Puerto Rico to a landfill in Folkston, Georgia, spilled more than 5,000 tons of the toxic industrial byproduct into the ocean off Atlantic Beach.
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                        Tucked among scattered pine and cypress trees near Orlando, Florida, a 175-foot-tall mountain of coal ash looms as a stark representation of this booming region's reliance on fossil fuels.
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                        The barge was carrying coal ash, a potentially hazardous material produced when coal is burned for energy. It ran aground in late March.
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                        The Barge Bridgeport remains grounded about a mile south of the St. Johns River, with some 8,000 tons of coal ash unaccounted for.
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                        North Carolina regulators have cited five more Duke Energy power plants for lacking required storm water permits after a massive spill at one of the…