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Monday Morning Report

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From NEI’s Japan Earthquake launch page:

UPDATE AS OF 10:30 A.M. EDT, MONDAY, MARCH 21:

Fukushima Daiichi
Tokyo Electric Power Co. continued efforts on Monday to restore power to its reactors at Fukushima Daiichi as well as stabilize cooling in the used fuel pools of some reactors. Reactors 1, 2 and 3 are in stable condition and reactors 5 and 6 are stable and being cooled by systems powered by electricity that was restored over the weekend.

The Tokyo Fire Department sprayed cooling water into the reactor 3 used fuel pool for about 4.5 hours, ending early Monday morning. At reactor 4, Japan's Self-Defense Force sprayed water into the pool for about two hours. Overall, 13 fire engines have been used in the spraying. Efforts to spray water into the used fuel pools at reactors 3 and 4 reactor buildings and used fuel pools was stopped on Monday while TEPCO assessed the effectiveness of these efforts.

Workers were evacuated from the area around reactors 2 and 3 Monday when smoke was observed coming from the secondary containment buildings.

Electricity is expected to be restored to both reactors 3 and 4 by March 23.

Radiation dose rates at monitoring posts are slightly higher than on past days. Rates at the plant site boundary range from 1 to 3 millirem per hour. Radiation dose rates in the area where fire trucks have been located are reported to be 2 to 3 rem per hour, with some isolated areas as high as 30 rem per hour.

Fukushima Daini
All reactors are in cold shutdown and are stable.

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Anonymous said…
2 to 3 rem per hour near the fire trucks? 1000 times more than at the site boundary?
March 21, 2011 at 12:06 PM
David Bradish said…
Yes. The fire trucks are unmanned so radiation dose is as little as possible to the workers.
March 21, 2011 at 12:18 PM
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