Probers Examine Nebraska Nuclear Workers’ Exposure to Radiation

Federal regulators have launched an investigation into the accident last week that exposed three employees of a Nebraska nuclear plant to radiation.

As Reuters reports, the incident took place April 3 at the Cooper Nuclear Station, which is operated by the Nebraska Public Power District. The three workers wrongly removed a radioactive tube through the bottom of a reactor vessel, rather than through the top. That set off the radiation alarm, prompting the workers to put down the tube and leave the area.

The plant’s operators do not believe that the exposure level exceeded regulatory limits, although the exact quantity will be determined by the Nuclear Regulatory Commission investigation, which began Monday. Following the investigation, the NRC will publish a report of its findings within 45 days.

“We want to understand why normal work practices were not followed, resulting in unplanned radiation exposures to three workers,” said Elmo Collins, a regional administrator with the NRC.

Cooper Nuclear Station is one of the nation’s 104 nuclear plants, whose safety practices have come under increased scrutiny amid the current nuclear disaster at Japan’s Fukushima Daiichi nuclear power plant. The Cooper plant is located in Brownville, Neb., 75 miles south of Omaha.

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