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Home / Breaking News / 'A Huge Amount of Radiation' as Fukushima Crisis Worsens
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'A Huge Amount of Radiation' as Fukushima Crisis Worsens

Multitude of problems: Tanks (foreground) containing radioactive water and reactor buildings (background) at the Fukushima No. 1 nuclear plant are photographed in February. (KYODO)Contaminate. Store. Leak. Repeat.

That is the dangerous water cycle now taking place in Japan as huge amounts of water are being used to cool the damaged reactors and fuel rods remaining at the Fukushima plant with no safe way to contain, dispose, or deal with the thousands of tons of growing waste.

And the catastrophe only continues to worsen as reports from Japan on Tuesday indicate that a new and separate leak of “highly radioactive water” is now occuring from a storage tank with officials saying the undetected leak may have be allowing tons of contaminated water to seap into the ground every day for a month, or longer.

The new leak is separate from the ones reported in recent weeks, but may foretell a whole new series of worry, according to experts.

The water from the ongoing and latest leak, according to Reuters, “is so contaminated that a person standing 50 centimeters (1.6 feet) away would, within an hour, receive a radiation dose five times the average annual global limit for nuclear workers.”

As the Japan Times reports:

At 9:50 a.m. Monday, Tepco workers on patrol found a pool of at least 120 liters of highly contaminated water thought to have escaped from concrete barrier’s drain valves. The valves had been opened to drain rainwater.

The radiation level measured around 50 cm above the toxic water stood at about 100 millisieverts per hour, Tepco said.

Exposure to 100 millisieverts increases the incidence of death by cancer by 0.5 percent, according to the International Commission on Radiological Protection. It is also the legal upper limit for a nuclear worker over five years.

On Tuesday, Tepco said the water level in tank No. 5 had dropped by 3 meters, meaning about 300 tons of contaminated water had been lost. From Monday to Tuesday, about 10 tons were lost, indicating this amount may have leaked every day over the past 30 days, a senior Tepco official told The Japan Times.

“So far, we had four similar (tank) leakage cases. The problem this time is that we didn’t detect it for as long as 30 days,” the official said.

“That is a huge amount of radiation. The situation is getting worse,” Michiaki Furukawa, professor emeritus at Nagoya University and a nuclear chemist, told Reuters.

And Reuters adds:

Massive amounts of radioactive fluids are accumulating at the Fukushima plant as Tepco floods reactor cores via a jerry-rigged system to keep melted uranium fuel rods cool and stable.

The water in the improvised cooling system then flows into basements and trenches that have been leaking since the disaster.

Highly contaminated excess water is pumped out and stored in steel tanks on elevated ground away from the reactors, which lie adjacent to the coast. About 400 tons of radioactive water per day has been pooling and kept in storage at Fukushima.

In order to keep up with the pace of the contaminated water flow, Tepco has mostly relied on tanks that are bolted together with plastic sealing around the joints. Those tanks are less robust — but quicker to assemble — than the welded tanks that the utility has recently started installing.

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This work is licensed under a Creative Commons Attribution-Share Alike 3.0 License

Republished from: Common Dreams

  • http://rinf Mel

    can’t tread water forever

  • Dave

    The Japanese have to make a decision which would be worse; keep dumping 10 thousand tons of hot water into the Pacific each month (it’s probably ten times that in reality), or stop the water & allow the fuel to ignite & torch itself into smoke, fumes & vapors until it’s exhausted itself…
    My guess is that in 20 years, more Americans on the west coast of the US will die from this than all those killed by our Fat man & Little boy.

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