A new glitch in the cooling of spent nuclear plant fuel crippled the Japan has prompted a surge of radiation, but a general decline in leaks allowed police Thursday to search for missing of the victims of the tsunami more closely to the complex than ever before.
Pickled protective policing a radius of 10 kilometres on the Fukushima Daiichi for the first time Thursday in their search for thousands of missing victims even after the March 11 earthquake and the tsunami.
A steel fence is installed to cover a door to prevent the spread of radioactive water in the canal of contribution to the Fukushima Daiichi nuclear power in this photo taken Tuesday. TEPCO/Reuters "we must work very carefully to avoid rip our combinations of radiation with debris, metal and pieces of concrete scattered around the area" a police officer who gave only his nickname, Sato, said in a telephone interview.
Although Japanese authorities have insisted that the improvement of the situation to the crippled plant, the crisis has dragged on, accompanied by a nearly nonstop series of misadventures and replicas of the 9.0 magnitude earthquake that hampered debris clearing work and restoring the plant disabled cooling systems.
A Japan recognized this week the total radioactivity of leak already has catapulted the crisis in the greater severity internationally, on an equal footing with Chernobyl, although always involving only one-tenth of the radioactivity emitted in this disaster of 1986.
Police in white suit, delicately picked through rubble near the plant in an area where up to 1,000 organizations would be filed in tsunami debris, said Sato. Overall, more than 26 000 people would have died on 11 March, although only approximately 11,250 bodies have been recovered so far.
"Many families have asked for their close disappeared." I want to recover the body as quickly as possible and to return to their families, "says.
Glitch this week at the plant involved falling levels of water in the pool for the bars of irradiated fuel in the building of reactor unit 4.
Water sprayed inadvertently in a tank overflow prompted a false that the main pool was full when he was not reading. That prompted the workers to suspend the injection water in the main basin for several days until Wednesday, when resumption of spraying.
Also, strong aftershocks could affect reading, said responsible.
The suspension of spraying allowed temperature and radiation levels to rise, if rods were believed still to be covered with water, said Hidehiko Nishiyama Japanese nuclear and industrial safety agency.
"I believe that the fuel in the pool bars are largely intact, or to keep the normal form of what they should look like," said Nishiyama. "If they were fully involved, we would have considered different sets of numbers of sampling water."
A new burst of radiation leaks this week in the pool of fuel of Unit 4 suggests damage to the fuel rods and complicates efforts to stabilize the said officials. TEPCO Manager Junichi Matsumoto, has said the analysis of the water of the swimming pool has detected higher levels of radioactive iodine 131, cesium-134 and caesium-137. Normally, these elements would not be found in the swimming pool.
Three of the reactors have also approximately 20,000 metric tonnes of stagnant water, contaminated by radiation and it is difficult to reduce spilling reactors, Nishiyama said.
Workers operate a modified Putzmeister 70Z, most large concrete pump mounted on a truck, world for pumping contaminated water from the reactor No. 4 at the Fukushima Daiichi nuclear power. TEPCO/ReutersUntil cooling systems can be fully restored, flooding the engines with water are the only way to prevent overheating, but these many tons of water, of radioactivity, are a distinct threat.
"This is the problem to be stuck with reactors which must constantly be fed with water", Nishiyama said. Setbacks in the preparation of the tanks for storing contaminated water mean new options can be considered, he said. It was not specified.
The operator of plant at Bay, Tokyo Electric Power Co., or TEPCO, is looking for ways to finally remove fuel rods from storage pools reactor that the plant is closed for good. The unit 4 glitch makes these more urgent plans.
Finally the stems must be stored permanently in dry casks, radiation-resistant, but this process is far away, he said.
Meanwhile, TEPCO, works to stabilize conditions at the No. 1 engine of the plant by pumping of nitrogen in its containment vessel to reduce the risk of explosion of hydrogen. He is also install plates of steel and the screens of silt along the coast to help reduce radiation leaks into the sea.
Hesitant progress at the plant have deepened the misery of residents who were forced to leave their homes and jobs near Fukushima Daiichi.
A 102-year-old man committed suicide Tuesday, a day after the Government includes Iitate village where he lived all his life, as an area to be evacuated to avoid exposure to radiation. A local police official, who refused to be named because he was not allowed to speak to the media, confirmed the man had killed himself but would give no further details.
About 140,000 people still live in shelters after losing their homes or be advised to evacuate their nuclear crisis and disaster on 11 March.
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