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DISASTER MANAGEMENT
Record radiation levels detected at Fukushima reactor
by Staff Writers
Tokyo (AFP) June 27, 2012


TEPCO, the operator of Japan's crippled Fukushima nuclear plant, said Wednesday record amounts of radiation had been detected in the basement of reactor number 1, further hampering clean-up operations.

TEPCO took samples from the basement after lowering a camera and surveying instruments through a drain hole in the basement ceiling.

Radiation levels above radioactive water in the basement reached up to 10,300 millisievert an hour, a dose that will kill humans within a short time after making them sick within minutes.

The annual allowed dose for workers at the stricken site is reached in only 20 seconds.

"Workers cannot enter the site and we must use robots for the demolition," said TEPCO.

The Fukushima operator said that radiation levels were 10 times higher than those recorded at the plant's two other crippled reactors, number two and three.

This was due to the poor state of the nuclear fuel in the reactor compared to that in the two others.

The meltdown at the core of three of Fukushima's six reactors occurred after the March 11, 2011 earthquake and ensuing massive tsunami shut off the power supply and cooling system.

Demolition of the three reactors as well as the plant's number 4 unit is expected to take 40 years and will need the use of new technologies.

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DISASTER MANAGEMENT
Japan sorry for not using US radiation map
Tokyo (AFP) June 19, 2012
A Japanese minister apologised Tuesday for the nation's failure to make use of a United States-made map showing how radiation was spreading from crippled reactors in the days after the Fukushima crisis. Tokyo admitted that confusion among government departments meant the map was never used and evacuees were not directed away from areas where radiation from the leaking nuclear plant was spiki ... read more


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