Tepco to Finish Draining Radioactive Waste Into Sea Tomorrow

Tokyo Electric Power Co. expects to complete the release of radioactive water into the sea from a waste treatment facility at the Fukushima Dai-Ichi nuclear plant by the end of tomorrow, a spokesman for the power utility said.

The draining of radioactive water from pits outside the Nos. 5 and 6 reactors at the plant is also expected to finish by the end of tomorrow, Junichi Matsumoto, a spokesman for the power utility told reporters in Tokyo today.

The conference followed Japan’s biggest aftershock since the day of the March 11 earthquake and tsunami that crippled the plant. The magnitude-7.1 temblor struck at 11:32 p.m. local time yesterday near the epicenter of last month’s quake, the U.S. Geological Survey reported on its website.

The aftershock hindered efforts by Tepco to prevent hydrogen explosions at the plant 220 kilometers (137 miles) north of Tokyo. After an evacuation of 15 workers, engineers returned to the plant to pump nitrogen into the No. 1 reactor.

No unusual conditions were observed at the Fukushima Dai- Ichi nuclear station, according to statements by Tokyo Electric and Japan’s Nuclear and Industrial Safety Agency. There have been no indications of changes in radiation levels or damage at the plant, Tokyo Electric spokesman Takashi Kurita said earlier today.

To contact the reporters on this story: Ichiro Suzuki in Tokyo at isuzuki@bloomberg.net; Keiko Ujikane in Tokyo at kujikane@bloomberg.net

To contact the editor responsible for this story: Patrick Harrington at pharrington8@bloomberg.net

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