Federal officials are investigating and taking precautionary measures after a contractor found radioactive particles on construction debris at the Idaho National Laboratory advanced test reactor complex in southeastern Idaho.
KIFI-TV reported that the contractor found traces of cesium and cobalt.
U.S. Department of Energy spokesman Brad Bugger says the radioactive particles might have come from a past decontamination and demolition project.
He says the agency is checking people and vehicles as they come in and out of the facility to make sure the particles aren’t getting off the site.
He says there’s no health threat unless the particles end up on someone’s skin and the person has prolonged exposure.
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