TEPCO Press Release (Apr 05,2011)—The results of nuclide analyses of radioactive materials in…air…

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http://www.tepco.co.jp/en/press/corp-com/release/11040505-e.html

Press Release (Apr 05,2011)
The results of nuclide analyses of radioactive materials in the air at the site of Fukushima Daiichi Nuclear Power Station (11th release)

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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.
                                             (previously announced)

From March 31st to April 4th 2011, we conducted nuclide analysis of 
radioactive materials contained in the air which were collected on 
the same date at the site of Fukushima Daiichi Nuclear Power Station. 
As a result, radioactive materials were detected as shown in the 
attachment. Therefore, we summarized the results and reported them 
to Nuclear and Industry Safety Agency as well as to the government 
of Fukushima Prefecture today.

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.

We are planning to conduct these surveys continuously.

Appendices:
The result of the nuclide analysis of radioactive materials in the air 
at the site of Fukushima Daiichi Nuclear Power Station
   Appendix1:March 31st(PDF 12.5KB)
   Appendix2:April  1st(PDF 12.6KB)
   Appendix3:April  2nd(PDF 12.5KB)
   Appendix4:April  3rd(PDF 12.6KB)
   Appendix5:April  4th(PDF 12.5KB)

The result of the nuclide analysis of radioactive materials in the air 
at the site of Fukushima Daini Nuclear Power Station
   reference1:March 31st(PDF 12.6KB)
   reference2:April  1st(PDF 12.1KB)
   reference3:April  2nd(PDF 12.1KB)
   reference4:April  3rd(PDF 12.2KB)
   reference5:April  4th(PDF 12.1KB)
   reference6:Nuclide analysis of radioactive materials in the air
              Fukushima Daiichi Nuclear Power Atation(PDF 12.6KB)
   reference7:Nuclide analysis of radioactive materials in the air
              Fukushima Daini Nuclear Power Station(PDF 12.6KB)