Not Hanford, but in 1958 a radiation excursion happened at Y-12, and in that case, it was storage drums that had corroded, so the bottom came off. That's just o

Not Hanford, but in 1958 a radiation excursion happened at Y-12, and in that case, it was storage drums that had corroded, so the bottom came off. That's just one example of how this stuff can get in the floor.