ealized it hear popular plutonium, and didn't need anymore. complex shut down from hanford, washington state to savannah river site in south oakridge in tennessee, they stopped making aterials for nuclear weapons, but then they were left with the legacy of decades of operating that ous facilities and legacy is just an enormous going p problem that is to last well into the century. says time magazine clean-up cost $19 billion to ate and not expected to be finished until 2060. additional cost of $100 billion. is the site, time magazine notes, where most of the plutonium for nuclear weapons were built, including the bomb japan.opped on it contains greatest volume of fromactive waste left over the production. when this tunnel collapsed, what does that mean? was the danger level? guest: yes, this tunnel was not active st of the radio waste was stored. t hanford, the biggest risks are a farm of waste tanks filled with highly radioactive liquid, biggest risk. this tunnel had radioactive junk. operated this reprocessing facility, over time, equipment