Source : NHK
https://www3.nhk.or.jp/nhkworld/english/news/20140208_02..html
TEPCO to review eroneous radiation data
The operator of the damaged Fukushima Daiichi nuclear plant has decided to review radiation data after finding the initial readings may be much lower than actual figures.
Tokyo Electric Power Company, or TEPCO, says it has detected a record high 5 million becquerels per liter of radioactive strontium in groundwater collected last July from one of wells (...)