Tokai No. 2 plant reports radioactive water leakage via The Mainichi Daily News

TOKYO (Kyodo) — Water containing radioactive substances has leaked from a reactor pressure vessel at the Tokai No. 2 power plant in Ibaraki Prefecture, although there was no release of toxic substances into the outside environment, the government’s nuclear safety agency said Wednesday.

Some 64 tons of water may have escaped from the pressure vessel to the outer primary container of the plant’s boiling water reactor, which is undergoing regular checkups, the agency said. The incident has not affected the cooling process of the nuclear fuel, it said.

According to plant operator Japan Atomic Power Co., workers erroneously loosened a screw located at the bottom part of the pressure vessel, resulting in the leakage of water. Water splashed onto four workers, but they were not exposed to radiation.

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