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Press Release (Apr 11,2011)
The results of nuclide analyses of radioactive materials in the air at the site of Fukushima Daiichi Nuclear Power Station (17th release)
On March 22nd 2011, as part of monitoring activity of the surrounding
environment, we conducted nuclide analysis of radioactive materials
contained in the air which were collected at the site of Fukushima
Daiichi Nuclear Power Station, which was damaged by
Tohoku-Chihou-Taiheiyo-Oki Earthquake. As a result, radioactive materials
were detected and therefore, we summarized the results and reported them
to Nuclear and Industry Safety Agency as well as to the government of
Fukushima Prefecture.

Three nuclides (Iodine-131, Cesium-134 and Cesium-137) are released as
fixed figures. Other nuclides figures are to be released as soon as
identified under instruction of NISA.
                                                   (previously announced)

On April 10th 2011, we conducted nuclide analysis of radioactive
materials contained in the air which were collected at the site of
Fukushima Daiichi Nuclear Power Station on the same day. As a result,
radioactive materials were detected as described in the exhibit.
Accordingly, we have reported the result of analysis to Nuclear and
Industrial Safety Agency and Fukushima Prefecture.

We are planning to conduct these surveys continuously. 
Appendix: The result of the nuclide analysis of radioactive materials in 
          the air at the site of Fukushima Daiichi Nuclear Power Station 
                                                            (PDF 29.9KB) 
Appendix: Fukushima Daiichi: the result of the dust nuclide analysis 
                                                            (PDF 12.6KB) 
Appendix: Fukushima Daini: the result of the dust nuclide analysis 
                                                            (PDF 13.0KB) 
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