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Press Release (Apr 25,2011)
The results of nuclide analyses of radioactive materials in the air at the site of Fukushima Daiichi Nuclear Power Station (31st release)
On March 22nd, 2011, as a part of monitoring activity of the surrounding
environments, we conducted nuclide analyses of radioactive materials
contained in the air which were collected at the site of Fukushima Daiichi
Nuclear Power Station, which was damaged by the Tohoku- Chihou-Taiheiyou-Oki
Earthquake. As a result, radioactive materials were detected and
therefore, we summarized the results and reported them to Nuclear and
Industry Safety Agency (NISA) as well as to the government of Fukushima
Prefecture.

The three nuclides (Iodine-131, Cesium-134 and Cesium-137) are to be
released as fixed figures, and the other nuclide figures are to be
revaluated in accordance with the preventive measures formulated after
the warning from NISA on April 1st.
(Previously announced)

On April 24th, 2011, we conducted nuclide analyses of radioactive
materials contained in the air which was collected at the site of
Fukushima Daiichi Nuclear Power Station on the same day. As a result,some
radioactive materials were detected as described in the exhibit.
Accordingly, today we have reported the result of the analyses to NISA and
the government of Fukushima Prefecture.
 
We will continuously conduct the same sampling surveys. 
 
Appendix: The result of the nuclide analysis of radioactive materials in 
          the air at the site of Fukushima Nuclear Power Station  
                                                               (PDF 10.4KB) 
Appendix: Fukushima Daiichi: the result of the dust nuclide analysis 
                                                               (PDF 13.5KB) 
Appendix: Fukushima Daini: the result of the dust nuclide analysis 
                                                               (PDF 14.2KB) 
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