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In a Wednesday, Oct. 19, 2011 file photo, Walter Lee, right, manager of Nuclear Emergency Preparedness leads the evaluation as the Tennessee Valley Authority conducts an emergency preparedness drill in the Central Emergency Control Center in Chattanooga, Tenn. The drill involved a simulated explosion releasing a small amount of radiation at TVA's Watt's Bar Unit 1 power plant near Spring City, Tenn.

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Evacuations and drills pared near nuclear plants

Without fanfare, the nation's nuclear power regulators have overhauled community emergency planning for the first time in more than three decades, requiring fewer exercises for major accidents and recommending that fewer people be evacuated right away.


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