EPA Revises State’s Regional Haze Plan, Withdraws Obama-Era Regulations

The U.S. Environmental Protection Agency said Tuesday it recently approved revisions to Arkansas’ clean-air plan for regional haze and withdrew a portion of the Obama-era federal plan that addressed “downwind” dirty-air emissions from Entergy coal-fired power plants and factories that cross state lines.

The state plan, first submitted by the state Department of Environmental Quality in 2015, addresses haze that impacts visibility at national parks and wilderness areas in Arkansas and downwind states. The revisions address Clean Air Act requirements for particulate matter and sulfur dioxide as they relate to the best available retrofit technology for electric generating units.

As expected, the final ruling by the regional office of the EPA in Dallas left state environmental regulators and Entergy Arkansas officials relieved after several years of attempting to complete a final version of the state’s implementation plan under two federal administrations with opposing regulatory philosophies.      MORE

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