See the video here: http://www.youtube.com/watch?v=kOSULmGq39E
Radon daughters are detected at very high levels.
A friend who has been conducting systematic sampling in Oregon has also detected higher than expected radon daughters
Potrblog suggests that the high radon content of the water in Fukushima now infused with fissioning corium are together producing radioactive steam emissions with high radon levels
Maybe we are experiencing the hydrovolcanic phenomenon predicted by the architect of unit 3, minus the implied explosion