Rate of radioactive flow to Pacific alarming (Japan Times)

From today’s Japan Times:

Water releasing as much as 10 trillion becquerels of radioactive strontium and 20 trillion becquerels of cesium-137 from the Fukushima No. 1 power plant has flowed into the Pacific Ocean since May 2011, Tokyo Electric Power Co. estimates.

The combined figure of 30 trillion becquerels, announced late Wednesday, implies that highly radioactive water is entering the trenches under the damaged reactors’ turbine buildings.

The three reactors that had core meltdowns are being flooded by emergency cooling water needed to keep the leaky units stable, but the water is leaking from the reactors into the basements, where it is mixing with groundwater penetrating the walls of the 40-year-old plant.

Since the 30 trillion becquerels can’t be accounted for just by groundwater alone, it is likely the toxic water from the trenches is entering the mix as well, the beleaguered utility said after conducting various simulations.

The Fukushima complex was built on a maze of trenches that guide cables and pipes needed to transport electricity and water. The pipes lead to the sea because the power plant, like all the others in Japan, needs seawater for cooling purposes.

The 30 trillion figure is about 100 times more than what Tepco had been allowing to enter the sea each year before the crisis.

Full article: http://www.japantimes.co.jp/news/2013/08/22/national/rate-of-radioactive-flow-to-pacific-alarming/#.UhaxeLwmysQ

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