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TEPCO Press Release (Apr 05,2011)—Detection of radioactive materials…seawater…Fukushima Daiichi…

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OKIsItJustMe Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Apr-06-11 08:15 AM
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TEPCO Press Release (Apr 05,2011)—Detection of radioactive materials…seawater…Fukushima Daiichi…
http://www.tepco.co.jp/en/press/corp-com/release/110405...

Press Release (Apr 05,2011)
Detection of radioactive materials from the seawater near Fukushima Daiichi Nuclear Power Station(13th release)


On March 21st 2011, radioactive materials were detected from the seawater 
around the discharge canal (south) of Fukushima Daiichi Nuclear Power
Station which was damaged by the 2011 off the Pacific coast of Tohoku
earthquake as a result of the sampling survey of radioactive materials in
the seawater which was implemented as a part of monitoring of surrounding
environment. We had informed the result to Nuclear and Industrial Safety
Agency (NISA) and Fukushima prefecture.
(We already informed.)

We also informed the seawater sampling survey result which is implemented
at three points within 15km area of the Fukushima Daiichi Nuclear Power
Plant from April 2nd.

Three nuclides (Iodine-131, Cesium-134 and Cesium-137) are fixed figures.
Other nuclides figures are to be reinvestigated by improved measures under
NISA instruction on April 1st.
(We already informed)

On April 4th, 2011, we conducted the seawater sampling survey to evaluate
the dispersion of radioactive substances found at Fukushima Daiichi Nuclear
Power Station. As we detected radioactive substances attached as appendix,
we reported to NISA and Fukushima prefecture today.

We are intending to conduct the same sampling investigation.
attachment1: The result of the nuclide analysis of the seawater
(Around the discharge canal (north) of Unit 5 and 6 Fukushima
Daiichi Nuclear Power Station) (PDF 14.4KB)
attachment2: The result of the nuclide analysis of the seawater
(Around the discharge canal (south) of Fukushima Daiichi
Nuclear Power Station) (PDF 16.1KB)
attachment3: The result of the nuclide analysis of the seawater
(Around the north water discharge canal of Fukushima Daini
Nuclear Power Station) (PDF 10.3KB)
attachment4: The result of the nuclide analysis of the seawater
(Around Iwasawa shore at Fukushima Daini Nuclear Power
Station) (PDF 10.3KB)
attachment5: The result of the nuclide analysis of the seawater
(Around 15km off shore of Fukushima Daiichi Nuclear Power
Station) (PDF 10.2KB)
attachment6: The result of the nuclide analysis of the seawater
(Around 15km off shore of Fukushima Daini Nuclear Power
Station) (PDF 10.2KB)
attachment7: The result of the nuclide analysis of the seawater
(Around 15km off shore of Iwasawa Sea Shore) (PDF 10.1KB)
attachment8: Radioactivity Density of Seawater (PDF 27.6KB)
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