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The TEPCO report probably has a longer list of isotopes than just "yes, we found plutonium", but that's the one people will report for shock value.

So, in what may be my last act of "advising", I'll advise you to cut the jargon. -- My old PhD advisor, to me, 26/2/11
by Carrie (migeru at eurotrib dot com) on Mon Mar 28th, 2011 at 03:27:19 PM EST
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My guess: core starts melting -> fuel particles become suspended in water -> water is dumped into torus -> hydrogen/steam explosion damages torus -> activated water released from the containment via the broken torus -> heat -> steam -> plutonium etc fallout.

Peak oil is not an energy crisis. It is a liquid fuel crisis.
by Starvid on Mon Mar 28th, 2011 at 06:41:56 PM EST
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Plus, steam from still hot reactor cores could leak out through damaged gaskets or pipes and condense into radioactive water which flows to the lowest available point. We really do not have adequate information on the construction of the plants. We would need a full set of plans, sections and elevations to start to get an idea. All we have are simplified diagrams.

How many here have seen typical paper based drawings of construction plans from the '70s? There may not really be a complete set of plans. It depends on how TEPCO has dealt with legacy drawings and how well the "as built" modifications were reflected back into the record drawings.

"It is not necessary to have hope in order to persevere."

by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Mon Mar 28th, 2011 at 09:08:16 PM EST
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Ceebs posted a diagram elsewhere on this thread.

So, in what may be my last act of "advising", I'll advise you to cut the jargon. -- My old PhD advisor, to me, 26/2/11
by Carrie (migeru at eurotrib dot com) on Tue Mar 29th, 2011 at 02:32:30 AM EST
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And that is about as good as it gets as to actual information. It is all highly schematic. It looks like you know something until you want to use the information as the basis for some action, then you realize that it has all turned to shit in your hands and you don't know anything practical. Been there too many times on old school sites with fragmentary documentation.

"It is not necessary to have hope in order to persevere."
by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Tue Mar 29th, 2011 at 09:50:03 AM EST
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