Is the kind of massive radiation release that occurred with Chernobyl possible at the Fukushima plant?
No, it can’t have that kind of massive release. It simply can’t do that. The question is to what extent the zirconium alloy, which clads the fuel pellets, is damaged in the core, and how much of the fuel has failed. And I don’t necessarily mean melted, I mean failed. There’s been an ambiguous use of the word ‘melting’ applied to the core. But when people talk about meltdown, they should be very specific about what they mean by the word.
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