TOKYO (AP) ― The operator of Japan’s crippled nuclear plant said Saturday that it was moving tons of highly radioactive water from a temporary storage tank to another after detecting signs of leakage, in a blow to the plant’s struggles with tight storage space.
Tokyo Electric power Co. said about 120 tons of the water are believed to have breached the tank’s inner linings, some of it possibly leaking into the soil. TEPCO is moving the water to a nearby tank at the Fukushima Dai-chi plant ― a process that could take several days.
TEPCO detected the leak earlier in the week, when radiation levels spiked in water samples collected in between the inner linings of the tank. Radiation levels in water samples taken outside the tank also have increased, an indication of the water leak, TEPCO spokesman Masayuki Ono said.
Contaminated water at the plant, which went into multiple meltdowns after the March 2011 earthquake and tsunami that devastated northeastern Japan, has escaped into the sea several times during the crisis.
Experts suspect there has been a continuous leak into the ocean through an underground water system, citing high levels of contamination among fish caught in waters just off the plant.