17 October 2011
A recent study indicates that radiation from the Fukushima Daiichi nuclear power plant, which suffered a meltdown following the 11 March earthquake and tsunami in Japan, has spread further and was more concentrated than previously thoughtA thorough investigation by Japanese researchers found high levels of radioactive material in concentrated areas in Tokyo and Yokohama, more than 150 miles away from the Fukushima Daiichi nuclear plant.
In Tokyo, one sidewalk in the western part of the city had recorded radiation levels of 2.707 microsieverts per hour, roughly fifty times higher than any other location in the ward where the high levels were detected.
“What’s puzzling is that the levels detected on other parts of the same sidewalk were very low,” said Ken Hatanaka, head of the ward’s section in charge of radiation monitoring....
Much more here.
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