Radioactive water leak into Pacific Ocean from a pit at Japan nuclear plant

Authorities in Japan discovered an about eight-inch-long crack in the concrete wall of a pit at the unit-2 reactor Saturday that made highly radioactive water leak from Fukushima Daiichi nuclear plant into the ocean.
According to the Washington Post, the radioactivity level in the air above the water was measured at 1,000 millisieverts per hour. Under the Japanese law, this measure is four times the maximum level that workers can be exposed.
Workers struggle to prevent the leakage spread. The New York Times reported the workers tried to plug the apparent source of water using more than 120 pounds of sawdust, three garbage bags full of shredded newspaper and about nine pounds of a polymeric powder that officials said absorbed 50 times its volume of water on Sunday.
According to the New York Times, experts estimated that about seven tons an hour of radioactive water is escaping the pit. Also, the toxic water from the damaged No. 2 reactor contains one million becquerels per liter of iodine 131. It is about 10,000 times the levels normally found in water at a nuclear plant.
Itsuro Kimura, emeritus professor at Kyoto University and director of the Japan-based Institute of Nuclear Technology, said that the cooling systems coming back online at the plant's six reactors is the best way to stop the leakages, the New York Times reported.
At the same time, Japan still needs aid from other countries. According to the Washington Post, Japan received aid including a German-designed robot that can be used to remove debris and help repair the power plant; British radiation counters and gas masks; and 10,000 tons of gas and diesel from China.

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This page contains a single entry by yeun0040 published on April 3, 2011 11:03 PM.

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