Afternoon Report

Radiation doses at the Fukushima Daiichi nuclear power plant continue to decrease. Radiation dose rates at the site boundary of the Fukushima Daiichi nuclear power plant ranged from 1 millirem to 3 millirem per hour on March 18. Eighteen locations were monitored in a 30 kilometer to 60 kilometer radius of the plant. The highest radiation dose rate at any of those locations was 14 millirem per hour.

Tokyo Electric Power Company (TEPCO) is installing high voltage cables from a nearby transmission line to reactors 1 and 2 at Fukushima Daiichi. Power is expected to be restored to reactors 1 and 2 later today (Saturday, March 19, Japan time). Priority is being given to restoring power to residual heat removal and cooling water pumps at the reactors. Plans are being made to extend high voltage cables to reactors 3 and 4 by March 21.

TEPCO also is stepping up efforts today to add water to the used fuel pool at reactor 4.

Two diesel generators are running and supplying electrical power to Reactors 5 and 6 at Fukushima Daiichi. A residual heat removal pump, powered by a diesel generator, is providing cooling to the spent fuel pool at reactor 5. Temperature in the spent fuel pool at reactor 5 is “high, but decreasing” according to Japan nuclear industry sources.

There has been no change in the primary reactor containment structures at the Fukushima Daiichi plant. Crews are still pumping seawater into the reactors 1, 2 and 3 to cool the fuel.

All four reactors at Fukushima Daini have reached cold shutdown conditions with normal cooling being maintained using residual heat removal systems.

U.S. Public Opinion Data

U.S. public opinion on the safety of nuclear energy is relatively unchanged from 2008 levels despite the Fukushima accident, and 60 percent of Americans surveyed said the situation in Japan has made no difference in how they feel about nuclear energy in the United States.

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