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-Signs, Portents, and the Weather-
Fukushina Plutonium At Normal Background Levels
2011-03-29
From NHK Japan morning broadcast:

Five locations were tested on the grounds of the Fukushima Dai-ichi nuclear plant. Two samples showed a trace of plutonium 238. This contamination is consistent with global background contamination since Cold War atmospheric nuclear weapons testing. Ingesting 50kg of this soil over a 50 year period would result in a dose of 0.12uSv. The activity level of the contamination is 0.54 Bq/kilo or less than 1/100th that of a single banana.
Posted by:crosspatch

#2  But, but ... I swear Mrs. Bobby's WaPo said it was still an unfolding disaster! I guess I should've read it. But the 'Burg headline says it all.
Posted by: Bobby   2011-03-29 06:01  

#1  Typo, should be ingesting 1kg of material over a 50 year period. Basically its the same as eating the dirt out of your back yard.

Posted by: crosspatch   2011-03-29 03:04  

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