Nuclear weapons contractors around the U.S. made mistakes when shipping explosives and toxic chemicals at least 25 times in the last five years, according to government records. And an investigation found that regulators imposed only a few, minor penalties for those potentially dangerous errors.
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News broke last weekend that Los Alamos National Laboratory took shortcuts when treating some nuclear waste headed to the Waste Isolation Pilot Plant. One of the LANL waste drums sprang a radiation leak earlier this year, contaminating workers and closing the facility.