28 Apr '11, 10pm

The Latest from the N.R.C. on Fukushima and More: One question raised at a commission briefing was whether the f...

The Nuclear Regulatory Commission has not yet said what changes it will order at American reactors in response to the Fukushima disaster, but at a briefing on Thursday morning, some clues emerged about areas that might require further study. The issue the five-member commission was considering was its “station blackout rule,” which dates from 1980 and specifies what preparations the plants must make for the loss of off-site power because of a blackout in the area and the failure of the emergency diesel generators to start. While the commission is not particularly worried about a tsunami, which caused the station blackout at Fukushima, it is concerned about getting the same result from other causes. One obvious question is whether the four-hour battery capacity at most plants is adequate to run instruments, lights and valves until power can be restored. A commission staff m...

Full article: http://green.blogs.nytimes.com/2011/04/28/the-latest-from...

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