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Saturday, June 18, 2011

Nuclear Crisis in Japan - NIRS

UPDATE, Friday, June 17, 2011. There have been increasing reports of radioactive “hotspots” being found around Japan, especially in the area outside but near the evacuation zone of course, but also quite far away. For example, the Wall Street Journal reported today on a hotspot found in Chiba Prefecture 120 miles from Fukushima Daiichi and not too far from Tokyo. There have been reports of elevated readings in Tokyo itself, and across northern Japan.

We found the map below today on DailyKos which gives some indication of the extent of contamination. The areas in blue indicate slightly elevated radiation levels—high enough that a person exposed to these levels likely would receive an annual radiation dose in excess of 1 MilliSievert/year (100 millirems/year), which, until Fukushima was the maximum annual exposure level for the general public in Japan—as it remains the maximum level in the U.S.

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Nuclear Crisis in Japan - NIRS

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