High-level radioactive water from Nuclear Power Plant (NPP) Fukushina Dai-Ichi leaked and flowed into the Pacific Ocean. Water flows into the basin as deep as two meters into the sea. Later known, the water flows through holes in concrete walls in diameter 20 centimeters. Thus disclosed Tokyo Electric Power Company officials, Fukushima nuclear power plant managers.
Radiation levels in the hole more than 1,000 millisieverts per hour or 330 times the dose received by the average population in industrialized countries in a year. To stop it, the company will patch the hole with concrete.
These findings obtained on the basis of the results of investigations during the past few days, to seek an explanation surge of sea water contamination near the plant.
Last Thursday, government officials announced on Wednesday afternoon samples taken within a radius of 330 meters from the Nuclear Power Plant, iodine-131 levels measured 4385 times above the standard. While the levels of cesium-237 known to 527 times above normal. Experts say, the last radioactive isotope can be a big problem.
Because, cesium-237 would take 30 years to remove half of the radiation. Compare with isotope iodine-131 which only took eight days.
High-level radioactive water levels were also detected in some turbine reactors, tunnels, and underground water. Even the area near the reactor number two the whole show, 100,000 times the radiation level above the normal threshold of a nuclear cooling.
Starting this Saturday a camera installation project in the trenches, which serve to help demonstrate the potential for leakage, begins.
Spraying also continued to lock the radioactive material in and around the nuclear complex - so that no further seeping through water, air and land.
The crew had spread to about 2,000 liters (more than 500 gallons) of synthetic resin in an area of 500 square meters. "Functions such as super glue that suppress the contamination," said Nolan Hertel, radiation technicians Georgia Institute of Technology, Atlanta, United States, as published CNN, 2 April 2011.
Meanwhile, Japan's nuclear safety agency official, Hidehiko Nishiyama said it plans to inject hydrogen into the reactor number 1, 2, and 3.
Saturday, April 2, 2011, after visiting Rikuzentakata in Iwate Prefecture, Japan's Prime Minister Naoto Kan went to Hironocho, a village in Fukushima prefecture which has become the center of nuclear crisis management operations. There he gave encouragement to the workers who were struggling to determine the fate of Japan.