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Highly radioactive water leak at Fukushima No. 1 nuke plant

In the background, from left, the No. 1, 2, 3, and 4 reactor buildings of the Fukushima No. 1 Nuclear Power Plant are seen, in Okuma, Fukushima Prefecture, on Oct. 31, 2016. In front are tanks used to store contaminated water. (Mainichi)

Highly radioactive water has leaked from the disaster-crippled Fukushima No. 1 nuclear plant, Tokyo Electric Power Co. (TEPCO) announced on Aug. 17.

The estimated 50 milliliters of contaminated water remained inside the station dike, and there was no leakage to the outer environment, plant operator TEPCO said. An analysis found that the tainted water contained 22 million becquerels per liter of beta-ray-emitting radioactive materials.

According to the utility, a worker from a company cooperating with TEPCO spotted water dripping from multi-nuclide removal equipment at the facility at around 2:15 p.m. on Aug. 16. After the worker mended the part with tape, the leakage stopped.

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