Authorities at Washington state’s Hanford nuclear waste site are investigating a possible leak after discovering radioactive material on a worker’s clothing. The discovery follows an incident early last week in which a site tunnel collapsed, sparking fears of radiation exposure.

Washington River Protection Solutions, a contractor working at the site, on Thursday detected high readings of radiation on a robotic device known as a crawler that workers were pulling out of a nuclear waste tank. Contamination was also discovered on the clothing of one of the workers.
“Established decontamination procedures were followed, which involves removing the contaminated clothing. Further surveying the worker showed no contamination remained. No other workers were affected, and all members of the crew were cleared for normal duty,” said WRPS spokesman Peter Bengtson. Continue reading.