1200 Bq/Kg of Strontium 90 ,7000 times more than before 311


Tepco announced they measured 1200 Bq/ Kg of Strontium 90 from the sea ground soil at the south side of the intake of reactor 1~4 on 1/12/2012. They also measured 15~620 Bq/ Kg of Strontium at 3 different locations.
The samples were taken from 11/24/2011 ~ 11/25/2011. Before 311, the maximum reading was 0.17 Bq/ Kg, which is less than 1/7000 of after 311.


ストロンチウム90 事故前の7000倍

福島原発 取水口海底土から検出



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