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Press Release (Jun 12,2011)
Detection of Radioactive Materials from Subsurface Water near the Turbine Buildings of Fukushima Daiichi Nuclear Power Station
 
On March 28 2011, we were advised from Nuclear Safety Commission of Japan
to enhance sampling surveys regarding water accumulated in underground
floor of the turbine buildings of Fukushima Daiichi Nuclear Power Station.
In order to verify any leakages to underground and sea, and safety, we
have been implementing the sampling surveys of subsurface water and
seawater.

Regarding sampling surveys of sub-drains, based on the instruction from
Nuclear and Industry Safety Agency (NISA) on April 14th, we will continue
conducting the same kind of sampling surveys three times a week, and
inform the result on the next day of the survey.
                                                  (Previously announced)

We conducted nuclide analyses (strontium) regarding sub-drains (subsurface
water obtained and managed in the site) near the turbine buildings of
Fukushima Daiichi Nuclear Power Station, whose sample was taken on May
18th. Since, as a result, strontium -89 and -90 were detected as shown in
the attachment, we reported the fact to NISA and the government of
Fukushima Prefecture today. 
Appendix1: Results of Nuclide Analyses of Sub-drains (PDF 10.7KB) 
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