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Press Release (Oct 04,2011)
Nuclide Analysis Results of Radioactive Materials in the Air at the Site of Fukushima Daiichi Nuclear Power Station (193rd release)
On March 22, 2011, as a part of monitoring activity of the surrounding 
environments, we conducted nuclide analyses of radioactive materials 
contained in the air which was 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 analyses results of 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.
                                                    (Previously announced)

On October 3, 2011, we conducted a nuclide analysis of radioactive 
materials contained in the air which was collected at the site of 
Fukushima Daiichi and Daini Nuclear Power Stations. As shown in the 
attachment, radioactive materials were not detected. 

We reported the above results to NISA as well as to the government of 
Fukushima Prefecture today. 

We will continuously conduct the same sampling surveys. 
Appendix1: Nuclide Analysis Results of Radioactive Materials in the Air at 
           the Sites of Fukushima Nuclear Power Stations (PDF 11.5KB) 
Appendix2: Fukushima Daiichi Nuclear Power Station Results of Dust Nuclide 
           Analysis (PDF 12.0KB) 
Appendix3: Fukushima Daini Nuclear Power Station Results of Dust Nuclide 
           Analysis (PDF 10.3KB) 
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