Tepco doesn’t estimate how much more groundwater would flow into the plant by stopping it flowing to the sea

(Before It's News)

Having measured high level of radioactive material from groundwater and seawater, Tepco is planning to build underground wall beside the seaside.

(cf, Tepco to “improve” the ground to stop groundwater contamination spreading by crushing an observation hole [URL])

At this moment, it is estimated 450 tones of groundwater flows to the sea everyday.

(cf, Former Fukushima worker “450 tones of groundwater flows to the sea everyday” [URL 2])

If they stop it from flowing to the sea by the underground wall, the same volume of groundwater would possible come back to the plant.

Now 400 tones of groundwater flows to the basement of the plant. If this additional 450 tones of groundwater flows into the basement of the plant, it would overwhelm the water purifying capacity and storage capacity. Also, the increased water pressure may damage the bottom and the wall of the buildings.

(cf, Former Fukushima worker, “Groundwater stopped by underground wall may reverse to damage the reactor buildings” [URL 3])

In the press conference of 7/12/2013, Tepco stated they don’t have the estimate of how much more groundwater would flow into the basement of the plant. 

They commented though they don’t know the potential effect to the plant, stopping groundwater from flowing to the sea has the higher priority.

(1:46~)

http://www.tepco.co.jp/tepconews/library/movie-01j.html

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• Tepco “Tritium density has been rising in seawater since May.”
• Tritium density became the highest in boring nearest to the sea again, “630,000,000 Bq/m3″
• Former Fukushima worker, “Groundwater stopped by underground wall may reverse to damage the reactor buildings”
• Former Fukushima worker “450 tones of groundwater flows to the sea everyday”
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• 1,200,000 Bq/m3 of Sr-90 detected from groundwater east side of reactor2, “The data is 5 weeks old”
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