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creasing alarm’ at Fukushima: Thousands of tons of plutonium contaminated liquid in trenches leaking into ocean — ‘Biggest risk’ at plant — ‘Exceptionally difficult’ problem — ‘Constant flow’ in and out of trenches — ‘Racing to stop’ more from coming in (PHOTO)
Published: August 7th, 2014 at 11:02 pm ET
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Wall St. Journal, Aug 7, 2014 (emphasis added): [Shunichi Tanaka, chairman of the Nuclear Regulation Authority] said [Tepco] needs to get its priorities straight when it comes to work to decommission [...] Fukushima Daiichi [...] “The biggest risk is the trench water. Until that matter is addressed, it will be difficult to proceed with other decommissioning work,” [Tanaka] said on Wednesday at his weekly news conference. “It appears that they are getting off track,” he told reporters. Tepco has been trying to remove some 11,000 metric tons of water that contains dangerous radioactive materials such as uranium and plutonium from a trench that runs from the Fukushima Daiichi plant’s No.2 reactor building. […] “What if another tsunami hits the plant and the highly contaminated water in the trench is discharged… ?” Mr. Tanaka asked reporters.
NHK, July, 30, 2014: TEPCO initially planned to freeze radioactive wastewater that’s been flowing into underground utility tunnels [trenches] at the plant. It hoped the measure would prevent the wastewater from mixing with groundwater and flowing out to sea. But 3 months into the project, the water hasn’t frozen as planned.
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