Report: Unburned MOX fuel containing plutonium was in mushroom-like cloud of black smoke when Reactor No. 3 exploded
June 14, 2012 report by Minamisoma city council member Koichi Oyama translated by Dissensus Japan:
It stinks the black smoke [from Reactor No. 3]. The black smoke is the soot of dangerous fuel and the white smoke is the gas caused by the hydrogen explosion.
It’s more dangerous when it’s colored and it becomes black.
But there’s more dangerous substances who fell out.
At first the white smoke which fell out from the side is an hydrogen explosion (the same as for unit 1).
Then there was the vertical black smoke who looked like a mushroom which was the unburned MOX fuel which contains plutonium and was caused by lack of oxygen supply .
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