Fresh leak of highly radioactive water detected at Fukushima nuclear power plant via ABC News

Sensors at the Fukushima nuclear plant have detected a fresh leak of highly radioactive water into the sea.

Tokyo Electric Power Co (TEPCO) said the sensors, which were rigged to a gutter that pours rain and ground water at the Fukushima Daiichi plant to a nearby bay, detected contamination levels up to 70 times greater than the already-high radioactive status seen at the plant campus.

TEPCO said its emergency inspections of tanks storing nuclear waste water did not find any additional abnormalities, but the firm said it shut the gutter to prevent radioactive water from going into the Pacific Ocean.

The higher-than-normal levels of contamination were detected on Sunday, with sensors showing radiation levels 50 to 70 times greater than usual.

Though contamination levels fell steadily throughout the day, the same sensors were still showing contamination levels about 10 to 20 times more than usual, a company spokesman said.

It was not immediately clear what caused the original spike of the contamination and its gradual fall, he said.

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The International Atomic Energy Agency recently said TEPCO has made “significant progress” in cleaning up the plant, but suggested that Japan should consider ways to discharge treated waste water into the sea as a relatively safer way to deal with the radioactive water crisis.

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