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Press Release (Apr 23,2011)
Detection of Radioactive Material from Subsurface Water near the Turbine Building of Fukushima Daiichi Nuclear Power Station
 
On March 28th 2011, we were advised from Nuclear Safety Commission of 
Japan to enhance the sampling survey regarding water in underground 
floor of the turbine building of Fukushima Daiichi Nuclear Power Station. 
In order to verify any leakages to underground and sea, and safety, we 
have been implementing the sampling survey of subsurface water and 
seawater.

Regarding sampling survey of sub-drain, based on the instruction from 
NISA on April 14th, we continue to conduct same kind of sampling survey 
three times a week, and inform the result on the next day of the survey.
                                                  (Previously announced)

On April 22nd 2011, we had conducted sampling survey regarding sub-drain 
(subsurface water obtained and managed in the site) near the turbine 
building of Fukushima Daiichi Nuclear Power Station. Today, we had 
informed the result to Nuclear and Industrial Safety Agency (NISA) and 
the government of Fukushima Prefecture, because radioactive materials 
were detected as shown in the attachment. 
attachment1:Results of Nuclide Analysis of Sub-drain(PDF 52.3KB) 
attachment2:Radioactivity Density of Seawater(PDF 42.8KB) 
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