Radioactive Mud on the Seafloor 124 Miles from Fukushima

13 09 2012


A significant quantity of radioactive cesium, likely from the crippled Fukushima No. 1 nuclear power plant, has turned up in subsea mud about 200 kilometers away, near the mouth of the Shinanogawa River on Japan’s northwestern coast. Scientists said samples taken in 2011 at Nagaoka, Niigata Prefecture, contained concentrations of up to 460 becquerels per kilogram of dry mud, a level comparable to that detected at a river mouth in Tokyo Bay last year. Some isotopes of cesium are heavily radioactive. . . . (more)




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