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Utilities defend EPA's SO2 NAAQS designations

March 08, 2018
Utilities are defending EPA's designation of areas in Ohio and Colorado as “unclassifiable” for the agency's 2010 sulfur dioxide (SO2) national ambient air quality standard (NAAQS), rejecting environmentalists' arguments that EPA should have designated them “nonattainment” areas subject to tougher pollution control mandates. In a March 5 filing in Samuel Masias, et al. v. EPA, et al. , power industry groups including the Utility Air Regulatory Group, intervening to defend EPA, dispute the case made by environmental groups for tougher...

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