Geiger counters sit ready to test samples as scientists at rear log new test submissions at the Environmental Protection Agency’s National Air and Radiation Environmental Laboratory in Montgomery, ... more 
Geiger counters sit ready to test samples as scientists at rear log new test submissions at the Environmental Protection Agency’s National Air and Radiation Environmental Laboratory in Montgomery, Ala., Thursday, March 24, 2011. Using super-sensitive equipment and computers linked to West Coast monitors by satellite connections that download new air-quality data each hour, scouring the atmosphere for any radioactive materials that could pose a threat to U.S. public health. less 
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Associated Press | Photo By Dave Martin
Wed, Mar 30, 2011 5:21 AM EDT