March 31, 2011 2:38 PM
Japan asks power companies to secure emergency energy sources for nuclear plants
Japan's Nuclear and Industrial Safety Agency says 180 becquerels per cubic centimeter of radioactive iodine-131 has been detected in seawater sampled near damaged Fukushima Daiichi nuclear plant. The level is over 4000 times higher than the legal standard and far above the levels detected on Tu...