Tag Archives: Reactor Pit

Leak found in reactor pit as Japan PM tours disaster zone

Japan’s prime minister made his first visit to the country’s tsunami-devastated region on Saturday as officials grappling to end the worst nuclear crisis since Chernobyl said they may have discovered why radiation has been leaking into the sea.

Tokyo Electric Power Co (TEPCO) said it had found a crack in a concrete pit that was leaking water at its No.2 reactor in Fukushima, measuring 1,000 millisieverts of radiation per hour.

"With radiation levels rising in the seawater near the plant, we have been trying to confirm the reason why, and in that context, this could be one source," said Hidehiko Nishiyama, deputy head of the Nuclear and Industrial Safety Agency (NISA).

He cautioned, however: "We can’t really say for certain until we’ve studied the results."

TEPCO has begun pouring concrete into the pit to stop the leak, he said.

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