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U.S. to evacuate Americans out of Japan (March 17)
Navy stops moving sailors to Japan amid crisis (March 17)
Upcoming PCS moves to Yakota, Misawa delayed (March 16)
U.S. sets safety rules for citizens in Japan (March 16)
More U.S. relief crews exposed to radiation (March 15)
Navy families in Japan urged to stay indoors (March 15)
Navy ships off Japan move to avoid radiation (March 14)
WASHINGTON — The Obama administration said Thursday that radiation leaking from the crippled Japanese nuclear complex does not present a danger to the western United States or its Pacific territories at this time. Officials also defended a proposed 50-mile evacuation zone for American troops and citizens in Japan.
"I want to stress this is a prudent and precautionary measure to take," Gregory Jaczko, chairman of the Nuclear Regulatory Commission, told a White House briefing. The evacuation zone recommended by the U.S. is far wider than that established by Japan, which has called for a 12-mile zone and has told those within 20 miles to stay indoors.
Daniel B. Poneman, deputy secretary of energy, told the briefing that his agency agreed with the 50-mile zone, calling it "a prudent move."
A "very dangerous situation" remains in Japan, he said.
Still, Jaczko said, "Basic physics and basic science tells us there really can't be any harm to anyone here in the United States or Hawaii or any territories," such as Guam, American Samoa or the Northern Marianas.
Jaczko said the U.S. recommendation for the 50-mile evacuation zone was based on the "possibility of scenarios that we haven't seen yet." He also said it was based on "prudent assumptions and prudent assessments about what could happen."
Asked could be done to make sure that radiation from the world's worst nuclear emergency in a quarter century would not harm the United States, Jaczko said: "We are really focused on making sure first and foremost that the plants in this country are safe."
The officials spoke as Japanese emergency workers sought to regain control of the dangerously overheated nuclear complex, dousing it with water from police cannons, fire trucks and helicopters to cool nuclear fuel rods that were threatening to spray out more radiation.
The U.S. Energy Department said it had conducted two separate tests to measure how much radioactive material had been deposited on the ground in Japan. That data, Poneman said, was consistent with the recommendation for American citizens to evacuate a 50-mile radius around the plant.