Workers enter sticken nuclear plant

Workers entered one of the damaged reactor buildings at Japan’s stricken nuclear power plant.

It was the first time since it was rocked by an explosion in the days after a devastating earthquake, the country’s nuclear safety agency said. The plant’s operator, Tokyo Electric Power Co, said workers are connecting ventilation equipment in Unit 1 in an attempt to absorb radiation from the air inside the building. The work is expected to take about four or five days.

The utility must lower radiation levels inside the reactor before it can proceed with the key step of installing a cooling system that was knocked out by the March 11 quake and subsequent tsunami that left more than 25,000 people dead or missing along Japan’s north-eastern coast.

Two workers entered the reactor building around 11:30 am for about 25 minutes. They were exposed to 2 millisieverts during that time, Tomikawa said.

A dozen workers split up into teams were expected to go into the building on a rotation for short periods to limit radiation exposure. “This is an effort to improve the environment inside the reactor building,” he said.

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Tags: Japan nuclear crisis, nuclear plant workers, nuclear safety