12 Apr '11, 7pm

Keeping Score on Nuclear Accidents: To date 12 nuclear accidents, including those at three reactors at the Fukus...

Keeping Score on Nuclear Accidents: To date 12 nuclear accidents, including those at three reactors at the Fukus...

for the seriousness of the accidents runs from “anomaly,” something that would probably not be mentioned in a newspaper, to “incident,” which might be, to an event with major off-site consequences for health and the environment, like Chernobyl or Fukushima. Some do not involve reactors: Japan, for example, experienced an accident in 1999 at a plant that processes plutonium fuel. The plutonium was stored in a liquid in a vessel that was too large, inadvertently creating a “critical mass,” an amount capable of sustaining a chain reaction. The chain reaction created a shower of radiation and heat, blowing apart the critical mass, but as it cooled, it re-assembled. That rated a level 4.

Full article: http://green.blogs.nytimes.com/2011/04/12/keeping-score-o...

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