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Popular online sale shop is your best choose.Although the damaged Fukushima Daiichi nuclear power plant has not yet been stabilized, there is no evidence that overheating during the last month has resulted in any melting of the reactor vessels or their containment structures, Obama administration officials said Thursday.

If that assessment is correct, then significant additional releases of radioactivity into the environment will be limited, and emergency crews should have a far better chance of preventing further damage to the plant's reactors.

The assessment, provided to The Times on background, suggests that the plant is unlikely to suffer a complete meltdown, in which uranium fuel gets so hot that it melts through the bottom of the reactor and containment vessels, spewing high-level radiation into the plant's underlying foundation.fashion Christian louboutin pumps online sale

"We are a long way from a point where anybody would say this is stable," a senior administration official said. "But it is not a runaway. For a long time, we will be at a declining level of risk."

The conclusions by Obama administration experts appear more optimistic about the outcome at Fukushima than recent reports that have leaked out of the Nuclear Regulatory Commission, which have suggested that the situation is increasingly risky and dangerous.

Separately, the staff of the NRC came under heavy questioning Thursday by the Advisory Committee on Reactor Safeguards, a panel of outside experts, academics and nuclear industry officials that provides guidance to the agency.

At a committee meeting, NRC officials were asked about the scientific basis for their agency's advice that Americans evacuate a 50-mile zone around the plant. NRC officials said they couldn't provide an explanation and would have to get back to the committee.

NRC officials were unavailable for comment afterward.

Meanwhile, northern Japan was rattled by a 7.1 aftershock, the strongest since March 11, when the magnitude 9 earthquake and tsunami struck the region and set in motion the nuclear disaster at Fukushima.

Authorities blamed two deaths on Thursday's 11:30 p.m. earthquake, which triggered a new tsunami warning that was later canceled. A 79-year-old man died of shock, and a woman in her 60s perished when a power failure turned off her oxygen tank, Japanese media reports said. More than 130 people were injured, police said.

The operator of the battered nuclear plant said there were no indications that the aftershock caused any new problems or injuries there.

The information filtering out of Japan increasingly appears to be setting a boundary for the severity of the problem at Fukushima — though no doubt it is going to take years, if not decades, to remediate the damage already caused.

The most telling evidence about the condition of the reactors is the absence of heavy radionuclide contamination around the plant, which would indicate that uranium fuel became so overheated that it vaporized heavy fission products such as strontium and technetium, experts said.Eyewear buy fashion chanel sunglasses online sale

Instead, the main contaminants have been isotopes of iodine and cesium, which are water soluble and are not held in the uranium fuel itself.

The Obama administration experts said it appears that three reactors could be leaking radioactive water and other contaminants into areas of the plant that should be free from radioactivity, although the cause of breaches is not yet known.

"We don't know how the containment failed," one expert said. "It is more of a leak than a massive rupture. There is an extremely low probability of a melt-through of the reactor vessel. There is no conclusive evidence of a melt-through."

Temperature gauges at the bottom of the reactor vessel recorded levels of 300 degrees Celsius, far below the 1,500-degree melting point of steel. Even if that level were reached, the experts said they are confident that water in the containment structure would have prevented any melt.

Instead of a melt-through, the experts said the leakage from the reactors might be coming through various pieces of equipment that enter the heavy-gauge steel reactor vessel, including mechanical systems that operate control rods or pipes.

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By Jo Ingles and Mary Wisniewski

COLUMBUS, Ohio, March 30 (Reuters) - Ohio's legislature on Wednesday passed a Republican measure to curb the collective bargaining rights of about 350,000 state employees, and Governor John Kasich said he will sign it into law.

Its passage marks another success for Republicans who are pursuing measures in several U.S. states to limit the rights of public-sector unions. Unions are a key constituency of the Democratic Party.
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The bill, which also bans strikes by unions for public employees, was approved in the Ohio Senate late on Wednesday following its passage in the state House of Representatives earlier in the day.

Kasich, a Republican, did not indicate when he would sign the bill but he is expected to do so by Friday. When the bill is enacted, Ohio would become the most populous U.S. state this year to impose sweeping collective bargaining curbs on public sector unions.

Kasich said the bill will put taxpayers and public employees on a more equal footing regarding pay and benefits.

Similar measures have spurred protests in Wisconsin, Tennessee, Michigan and other states.

Ohio Democrats hope to put the new law on the ballot for a referendum vote in November in an effort to overturn it.

"The wheels are in motion" for a referendum battle, said State Senator Joe Schiavoni, a Democrat. "They're trying to take away these union members' rights."

"I'm hopeful and I feel confident that at the end of the day the referendum will overturn the law," he said.

During the debate, some Republicans said changes from an earlier version of the bill, including a modification that allowed police and firefighters to bargain collectively for safety equipment, improved it.

"The bill we have on the floor today has some blemishes but addresses major problems in the collective bargaining process," said State Representative Michael Henne, a Republican.Healthy products cheap power balance sale