Atmospheric radiation leak underestimated, The Yomiuri Shimbun, 25 April 11, Data released by the government indicates radioactive material was leaking into the atmosphere from the Fukushima No. 1 nuclear power plant in early April in greater quantities than previously estimated.
Radioactive material was being released into the atmosphere from the plant at an estimated rate of 154 terabecquerels per day as of April 5, according to data released by the Cabinet Office’s Nuclear Safety Commission on Saturday.
The NSC previously estimated radiation leakage on April 5 at “less than 1 terabecquerel per hour.”
Iodine-131 and cesium-137 were released into the atmosphere that day at the estimated rates of 0.69 terabecquerel per hour and 0.14 terabecquerel per hour, respectively, the NSC said.
Emissions are converted into iodine-131 equivalents for assessment on the international nuclear event scale (INES), to arrive at the total 154 terabecquerels per day, the nuclear safety watchdog said.
One terabecquerel equals 1 trillion becquerels.
Atmospheric radiation from Fukushima greater than they thought « nuclear-news
Radioactive material was being released into the atmosphere from the plant at an estimated rate of 154 terabecquerels per day as of April 5, according to data released by the Cabinet Office’s Nuclear Safety Commission on Saturday.
The NSC previously estimated radiation leakage on April 5 at “less than 1 terabecquerel per hour.”
Iodine-131 and cesium-137 were released into the atmosphere that day at the estimated rates of 0.69 terabecquerel per hour and 0.14 terabecquerel per hour, respectively, the NSC said.
Emissions are converted into iodine-131 equivalents for assessment on the international nuclear event scale (INES), to arrive at the total 154 terabecquerels per day, the nuclear safety watchdog said.
One terabecquerel equals 1 trillion becquerels.
Atmospheric radiation from Fukushima greater than they thought « nuclear-news
