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Homeland Security

NAS Urges Phase-Out of Cesium Sources Due To Dirty Bomb Risks

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By George Lobsenz A National Academy of Sciences (NAS) panel has urged the U.S. government to develop policies to phase out radioactive cesium chloride sources now widely used for medical purposes, saying they pose unacceptably high "dirty bomb" risks and can be replaced with devices posing less danger to the public. The expert panel also said the Nuclear Regulatory Commission (NRC) and other federal agencies should consider policies to speed the replacement of other high-risk radioactive sources without unduly hampering…

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