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 July 7, 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 appendix. Accordingly, today
we have summarized the results and reported them to NISA and the
government of Fukushima Prefecture
On June 13, 2011, we conducted nuclide analyses of strontium contained in
the air. As a result, no strontium was detected as described in the
appendix.
We will continuously conduct the same sampling surveys.
Appendix1: Result of Nuclide Analysis of Radioactive Materials in the
Air at the Site of Fukushima Nuclear Power Stations (PDF 10.5KB)
Appendix2: Result of Nuclide Analysis of Strontium in the Air at the Site
of Fukushima Daiichi Nuclear Power Station (PDF 39.3KB)
Appendix3: Fukushima Daiichi Nuclear Power Station Results of Dust Nuclide
Analysis (PDF 14.2KB)
Appendix4: Fukushima Daini Nuclear Power Station Results of Dust Nuclide
Analysis (PDF 14.2KB)