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Press Release (Apr 28,2011)
Detection of Radioactive Materials from Subsurface Water near the Turbine Buildings 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 surveys of sub-drains, 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 27th 2011, we had conducted sampling surveys regarding sub-drains 
(subsurface water obtained and managed in the site) near the turbine 
buildings 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 10.2KB) 
attachment2:Radioactivity Density of Sub-drain(PDF 43.4KB) 
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