RICHLAND, Wash. — Hundreds of workers at Hanford Nuclear Reservation were evacuated Tuesday after part of a tunnel, which stores rail cars filled with radioactive waste, collapsed.
Officials detected no radiation release, and no workers were in the tunnel when it caved in, said Randy Bradbury, a spokesman for the Washington state Department of Ecology. Around 11 a.m. PT, a robot was being used to sample contamination in the air and on the ground.
Hanford contractors working nearby were removed from the area while those farther away on the the 586-square-mile site were told to remain indoors, according to the U.S. Department of Energy. The complex, about half the size of Rhode Island, has more than 9,000 employees.
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