Contamination will remain even after Billions of Yen spent on Fukushima cleanup. The late Ric Johnson, nuclear veteran, whose jobs at Maralinga included decontamination using steam cleaning, told me more than one that the method is inadequate.
It results in radioactive mists and run off, and drives radioactive isotope particles deep into crevices. Over the years these slowly leech out, presenting a random and unknown hazard. Equipment such as tanks which saw service at Maralinga were put back into service and some were used in Vietnam. More Radiation Detected in Concrete for codominium. Thatcher + Brucer = « Radiation Hormesis and Adaptive Response. Oh shit.
I think I see a Tiger Tank coming. Phew, it was only a duck, (wax on, wax off.) The Ghost of Marshall Brucer is outraged. Radiation Hormesis and Adaptive Response. English - 子ども福島. Citizens' Radioactivity Measuring Station.