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Response to RobertEarl (Reply #38)

Mon Nov 18, 2013, 10:00 AM

40. Nope (yet again)

When building number 4 blew up, it did so because the rods in the pool overheated.

Untrue. In fact, we know for certain that this didn't happen.

The fuel pool was known to have lost water.

No it wasn't. It was mistakenly assumed to have lost water (by a couple people with no first-hand knowledge)... but we learned years ago that this was incorrect. I made a similar mistake at the time based on reporting of smoke around the pool. If the fuel was going to cause that, I assumed that there must be a hole in the pool - and that the danger involved would depend on how high above/below the tops of the fuel that hole was. But we long-ago learned that there was no hole in the pool.

After the explosion we saw pictures of an outside-the-walls water pump putting water into the pool. So, we know the rods overheated due to lack of water.

Did that make sense to you when you typed it? Adding water proves there was a lack of water?

Nobody could see into the pool at the time and they had no idea how much water there was... so they were adding water against a worst-case scenario where the pool had a serious leak. Again... we learned years ago that this was incorrect. The pool is intact.

Knowing that now (and for well over two years)... there are other things that we know for certain. Yes... the fuel at the time had the ability to heat up the water to the boiling point, but the amount of heat (and the amount of water) are known quantities. They know how long it would take a full pool to reach the boiling point of water... and they know how long it would take for the water to boil off.

This isn't a new calculation. Regulators/operators for decades have performed detailed calculations for how long it would take a given pool to heat up and how long evaporation/boiling would take before fuel was uncovered and/or damaged.

The explosion occurred well before this point. Therefore... the explosion had nothing whatsoever to do with the fuel in the pool (also true for unit #3). It's not physically possible.

And there is evidence that some of the rods melted and fused with the metal in the tank. Becoming one with the tank, it could be said.

There has been absolutely zero evidence of this... in fact it wouldn't be possible knowing what we know now (see above). Please back this up with something other than continued un-sourced claims repeated over and over despite correction.


It takes 10 years for rods to cool enough to be dry-casked, iirc.

Five years. And even that leaves a safety margin. The vast majority of the rods in that pool could be "dry-casked" now.

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LineLineLineReply Nope (yet again)
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