Reply #258: radiation leak source to sea confirmend

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Water with high levels of radiation has been confirmed to have seeped into the sea from the No. 2 reactor at the troubled Fukushima Daiichi nuclear power plant, government officials said Saturday

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The government ''wants (the utility) to start the operation of covering the crack in concrete as soon as possible,'' said Hidehiko Nishiyama, a spokesman for the Nuclear and Industrial Safety Agency.

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The radiation level in the pit at the No. 2 reactor was more than 1,000 millisieverts per hour, according to the agency.

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TEPCO is considering using a large artificial floating island, a so-called ''megafloat,'' to store the tainted water, the agency said, while it will also inject nitrogen into the containment vessels of the plant's reactors to help prevent the risk of more hydrogen explosions.

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A 15-member advance party of a U.S. military radiation control team arrived at Yokota Air Base in western Tokyo.

Full story here: http://english.kyodonews.jp/news/2011/04/82753.html