Fukushima’s disaster plan? One page long

Updated
TEPCO photo of Fukushima reactor No. 1.
TEPCO photo of Fukushima reactor No. 1.

I’m so awestruck by this AP report on Salon that it’s best that I just quote it:

Japanese nuclear regulators trusted that the reactors at Fukushima Dai-ichi were safe from the worst waves an earthquake could muster based on a single-page memo from the plant operator nearly a decade ago.

In the Dec. 19, 2001 document – one double-sized page obtained by The Associated Press under Japan’s public records law – Tokyo Electric Power Co. rules out the possibility of a tsunami large enough to knock the plant offline and gives scant details to justify this conclusion, which proved to be wildly optimistic.

Regulators at the Nuclear and Industrial Safety Agency, or NISA, had asked plant operators for assessments of their earthquake and tsunami preparedness. They didn’t mind the brevity of TEPCO’s response, and apparently made no moves to verify its calculations or ask for supporting documents.

“This is all we saw,” said Masaru Kobayashi, who now heads NISA’s quake-safety section. “We did not look into the validity of the content.”

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Fukushima's disaster plan? One page long

Updated