First time Plutonium reported outside Fukushima plant

Published: June 6th, 2011 at 5:49 pm ET
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Plutonium found outside Fukushima plant, NHK, June 5, 2011:

Minute amounts of plutonium have been detected for the first time in soil outside the Fukushima Daiichi nuclear plant.

Shinzo Kimura of Hokkaido University collected the roadside samples in Okumamachi, some 1.7 kilometers west of the front gate of the power station. They were taken during filming by NHK on April 21st [...]

The samples of plutonium-239 and 240 make up a total of 0.078 becquerels per kilogram. [...]

[M]ost likely to have come from the plant blasts, as their density ratio is different from those detected in the past [from nuclear bombs]. [...]

Published: June 6th, 2011 at 5:49 pm ET
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