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In reply to the discussion: TEPCO’s Risky Operation at Fukushima - The Nation [View all]Art_from_Ark
(27,247 posts)Last edited Sun Nov 17, 2013, 08:13 AM - Edit history (2)
all I can say right now is, the local background radiation readings increased by a factor of 10 here (by a factor of 5 in Tokyo, 35 miles to the south) right after the explosions, but gradually decreased over the next several months. The background radiation readings were taken by a variety of organizations, such as the local university and research institutes.
There were a few 'hotspots" between my city and Tokyo for a while, where the radiation readings were much higher than in my city, but that was explained by the rainfall that those areas received right after the explosions, while my city did not get any rain. And due to public pressure, soil in schoolyards in those hotspots that showed radiation readings of at least 10X normal was removed.