Under the Resource Conservation and Recovery Act (RCRA), the EPA has proposed a rule that would regulate coal combustion residuals (CCR) for the first time.

CCRs, commonly known as coal ash, are residues captured from the combustion of coal at power plants and are typically disposed of at large surface impoundments in liquid (wet or slurried) form and at landfills in solid (dry) form. CCRs are currently considered exempt wastes under an RCRA amendment.

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