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A relevant bit from your link downthread:

Stop the radiation!: ~ REAL INFORMATION FROM EXPERTS on meldown: Metafilter ~

The big problem isn't the boric acid -- though it is an acid, and it can increase corrosion. The big problem is the chlorides in seawater. They'll need to be cleaned out before the reactor is safe to use again, and given the age of the Fukushima #1 reactors, it probably won't be worth doing so


*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Mon Mar 14th, 2011 at 04:41:55 AM EST
[ Parent ]
In the '80s I worked for ESCO in Portland, and we made various large austenitic stainless steel castings for the nuclear energy industry and for nuclear-powered submarines. The problem then was rapid deterioration and replacement of pipes, valves, etc. due to stress corrosion cracking, where the 'stress' was largely due to accumulation of slight local displacements due to radiation. Eventually, microcracks (many) formed, and, if there was a chloride present, it found its way within. Beginning of the end.

I have little doubt that everything made of steel in those facilities will sit around for some years to 'cool'; then will be cut up for scrap - although the 'hottest' material may be buried.

paul spencer

by paul spencer (spencerinthegorge AT yahoo DOT com) on Mon Mar 14th, 2011 at 03:15:16 PM EST
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