American Data Collection Flights: Worst Contamination Within 18 Mile Range of Highest Concern

WASHINGTON — The first readings from American data-collection flights over the stricken Fukushima Daiichi nuclear plant in Japan show that the worst of the contamination has not spewed beyond the 18-mile range of highest concern established by Japanese authorities, but there is also no indication that another day of frantic efforts to cool nuclear fuel in the reactors and spent fuel pools has yielded any progress, according United States government officials.

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