martes, 12 de abril de 2011

Fukushima crisis: Japan rises to highest level to Chernobyl


Nuclear Security Agency of Japan has decided to increase the severity of the Fukushima nuclear accident 5 A maximum of 7, which equates to the one in Chernobyl in 1986.
The agency said that the reactors damaged from the tsunami of 11 March at the Fukushima Daiichi Nuclear Power Station have been releasing massive amounts of radioactive substances into the air, posing a risk to human health and the environment of the area.

However, the level of radioactive emissions registered since the beginning of the nuclear accident in Fukushima is equivalent to 10% of those measured after the Chernobyl disaster, which occurred when the reactor was operating at full capacity, whereas Japan had operations arrested by the earthquake.

Fukushima Nuclear Accident


The spokesman for the Nuclear Security Agency, Hidehiko Nishiyama, explained that, unlike Chernobyl, the radiation level Fukushima, despite being high, allows operators to work on site to stabilize damaged four more units.

However, the company that owns the plant, TEPCO, said shortly after the amount of radiation released could exceed the issued following the Chernobyl accident and the Fukushima Nuclear Accident.If Fukushima still emitting radioactive material, the amount may exceed that of a nuclear incident occurring in 1986 in Ukraine, said Junichi Matsumoto, of TEPCO.
Nishiyama has insisted that the two accidents, the only ones that have been rated INES-7, are different, as in Chernobyl exploded reactor core, while hydrogen detonations Fukushima affecting the external building units.

The increased severity of the accident at the international level is based on provisional estimates of the Japanese nuclear agency, which has detected high concentrations of cesium and radioactive iodine in the area.According to Nishiyama, emissions of iodine 131 from the beginning of the crisis terabecquerel over 10,000, down from the hundreds of thousands of terabecquerel cast at Chernobyl (Ukraine).

Fukushima and the Ecology

Shortly before the news is confirmed, a new fire has been extinguished and alarm bells ringing at the station. This time has been the No. 4 reactor that has experienced the fire, according to Kyodo news agency reported. In the area there has been no change in radiation levels, according to the same source.
The fire was spotted by a worker at 6.38 am (21.38 GMT Monday) in a building near the exit to the sea water reactor. According to TEPCO, the company operating the plant, the operator detected smoke in the place where the test samples of water south of the plant and immediately alerted fire fighters work at the facility, which quelled the fire.

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