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The photo below was taken by WRPS technician Mike Geffre on Oct. 12, 2011, two days after he and another WRPS employee first saw what appeared to be radioactive waste on the device, which is used to detect leaks in the annulus of Hanford's double-shell waste tanks. Inside the window can be seen part of the plummet partially covered by white debris. Geffre took the photo with his iPhone.

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