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Tuesday, 6 August 2013

Tokyo Electric can’t stop radioactive flow at Fukushima plant : Japan Times


Tokyo Electric Power Co. said Tuesday it is struggling in its latest efforts to stop radioactive groundwater from flowing into the sea at the Fukushima No. 1 nuclear plant.
Tepco said some of the water is getting over or around “chemical walls” it created by injecting chemicals into the soil that solidify into a wall.
The latest problem involves groundwater that has built up over the last month, since Tepco started creating the chemical walls in an embankment to stop leaks after it detected radiation spikes in groundwater samples.
Tepco spokesman Yoshikazu Nagai said the company was slow to deal with the underground water problem while focusing on the melted reactors, which pose greater risks.
Measures to contain contaminated underground water leaks have lagged while “we devoted ourselves to cool the reactors,” which was the foremost task, Nagai said.
The plant still runs on makeshift equipment and has been plagued with blackouts and leaks from underground tanks.
Tepco has been repeatedly criticized for delayed handling and disclosures of problems and mishaps.
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