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Leaking tank at Fukushima plant has no water gauge

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NHK — Aug 22


The operator of Fukushima Daiichi nuclear plant says it may have failed to find a leak of radioactive wastewater from a tank because it lacks a water gauge.


Tokyo Electric Power Company, or TEPCO, on Monday found a massive leak of highly contaminated wastewater from a tank near the No.4 reactor. Water had seeped outside the barrier around the tank.The tank is 11 meters high and can store up to 1,000 tons of wastewater. TEPCO said the tank’s water level had dropped nearly three meters. That means more than 300 tons had been lost.

The utility says the tank has no water gauge, so workers at the plant did not notice the leak until they saw water outside the barrier.

The tank is one of about 350 at the plant made from steel plates and bolts. Four cases of leaks have been reported so far.


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