radioactive waste had leaked

Hanford Seeks Possible Leak in 2nd Double-walled Tank
Hanford Seeks Possible Leak in 2nd Double-walled Tank
Hanford Seeks Possible Leak in 2nd Double-walled Tank
SPOKANE, Wash. (AP) — Officials for the Hanford Nuclear Reservation are trying to determine if a second giant tank containing radioactive waste from the production of plutonium for nuclear weapons is leaking. Hanford officials said Tuesday that filters inside an aging tank known as AY-101 recently showed radiation at higher than normal background levels...