Sentences with phrase «fuel pools at»

Highly packed spent fuel pools at the Japanese facility have caught fire, lost coolant, and released unknown quantities of radioactive material, underscoring the need to remove as much fuel from overcrowded pools as possible.

The Sept. 11, 2001, terrorist attacks led to new requirements to safeguard spent fuel pools at U.S. reactors, but the overall policy toward the nuclear fuel cycle has been bound up in the fight over the proposed fuel repository at Nevada's Yucca Mountain, which the Obama administration wants to terminate.

In the meantime, highly radioactive waste is being stored on - site in spent fuel pools at each nuclear plant, with 1500 tons of waste are currently stored at Indian Point.

No containment structures exist over the spent fuel pools; the pools are vulnerable to a loss - of - coolant scenario; mock attack drills reveal accessibility to and vulnerability of spent fuel buildings; and two of the spent fuel pools at Indian Point have been leaking radioactive materials.

The Indian Point nuclear power plant has a long history of accidental radioactive leaks and spills: spent fuel pools at the plant housing toxic nuclear waste have been leaking since the 1990s; corroded buried pipes have sprung radioactive leaks; tanks have spilled hundreds of gallons radioactively contaminated water; and malfunctioning valves and pumps have leaked radionuclide - laden water.

As NRC staff noted during the Fukushima emergency, when there was concern that the spent - fuel pool at Unit 4 may have lost its cooling water as well as been damaged by the reactor building explosion, adding cold water to already hot fuel can create a problem in its own right.

The NRC analysis found that a fire in a spent - fuel pool at an average nuclear reactor site would cause $ 125 billion in damages, while expedited transfer of spent fuel to dry casks could reduce radioactive releases from pool fires by 99 percent.

Later Thursday, a spokesman for Japan's Nuclear and Industrial Safety Agency, Yoshitaka Nagayama, said, «Because we have been unable to go the scene, we can not confirm whether there is water left or not in the spent fuel pool at Reactor No. 4.»

Officials said hydrogen released from the spent fuel pool at No. 4 may have caused a fire there.

As of midday Thursday, the country's Nuclear and Industrial Safety Agency spokesperson Yoshitaka Nagayama, noted that «because we have been unable to go to the scene, we can not confirm whether there is water left or not in the spent fuel pool at reactor No. 4,» The New York Times reported.

Steam continues to rise in the spent fuel pool at reactor No. 3, indicating that at least some water is reaching the hot rods.

http://bit.ly/HqmRdo Could the collapse of the fuel pool at Fukushima Reactor # 4 endanger the Northern Hemisphere?

Not exact matches

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At present 5,900 tons of high - level waste (HLW) in the form of spent fuel assemblies are sitting in pools next to operating reactors, together with 75 million gallons of radioactive liquid waste, plus 27 million cubic feet of trans - uranic waste (TRU).

There is currently no approved national repository to begin removing it from temporary spent fuel pools located on - site at Indian Point and other U.S. nuclear power plants across the country.

Since at least August 2005, radioactive contaminants such as tritium and strontium - 90 have been leaking from Indian Point's spent fuel pools into the groundwater and the Hudson River.

Approximately 1500 tons of spent fuel is currently stored in densely packed pools at Indian Point.

The safety of spent fuel pools, as at the Fort Calhoun plant outside Omaha, has been an issue since the accident at Japan's Fukushima Daiichi plant

A fire in an electrical switch room on Tuesday briefly knocked out cooling for a pool holding spent nuclear fuel at the Fort Calhoun nuclear plant outside Omaha, Neb., plant officials said.

The safety of deep pools used to store used radioactive fuel at nuclear plants has been an issue since the accident at Japan's Fukushima nuclear plant in March.

«FLEX would provide multiple means of obtaining power and water needed to fulfill the key safety functions of core cooling, containment integrity and spent - fuel pool cooling that would preclude damage to nuclear fuel,» explains Adrian Heymer, executive director of Fukushima regulatory response at NEI.

Such pools at the nation's 104 nuclear reactors hold more than 45,000 metric tons of the nation's approximately 65,000 metric tons of such used nuclear fuel.

Fuel units must be stored initially in pools at reactor sites for about five years, until the decay heat drops enough to permit movement into dry cask containers.

At the time of the accident, some feared that cooling water had drained out of the pool and exposed the fuel to air, which might have led to overheating and melting.

If fuel rods remain uncovered, they may begin to melt, and hot, radioactive fuel can pool at the bottom of the vessel containing the reactor.

And a fire at a pool storing spent fuel rods at dormant reactor No. 4 is posing additional hazards to the few workers remaining at the site.

One was a measure prohibiting plant owners from densely packing spent - fuel pools, requiring them to expedite transfer of all spent fuel that has cooled in pools for at least five years to dry storage casks, which are inherently safer.

The problem of spent fuel storage Nuclear reactor operators must store spent fuel removed from reactor cores for several years at least, in large pools at reactor sites until the remaining heat from the uranium fuel cools sufficiently.

And although information has been spotty, nuclear experts worry that this fuel — which should be submerged in circulating water to keep it from overheating — has been at least partly exposed in the pools belonging to reactor Nos. 3 and 4.

The Japanese plant has endured partial meltdowns in at least three of its six reactors, as well as two of its seven pools for storing spent fuel.

And the U.S. National Academy of Sciences in 2006 suggested the practice of overcrowding pools for the storage of spent nuclear fuel rods — that has caused fires and explosions at Fukushima Daiichi, which stores far less used fuel than typical U.S. plants — could prove dangerous.

In the interim — which could stretch for a century — used fuel rods will remain where they are: at nuclear power plants themselves either in spent fuel pools or in giant concrete casks on pads.

On September 15, the U.S. Nuclear Regulatory Commission affirmed its expert opinion that spent nuclear fuel could be safely stored on nuclear power plant grounds — whether in pools or dry casks — for «at least 60 years beyond the licensed life of any reactor.»

Besides developing better systems for monitoring the pools, the panel recommends that NRC take another look at the benefits of moving spent fuel to other storage as quickly as possible.

Many nuclear plants, like Fukushima, store the fuel onsite at the bottom of deep pools for at least 5 years while it slowly cools.

The most immediate lesson we need to learn, and we should implement this yesterday, is a serious look at the state of our on - site spent nuclear fuel pools.

As we speak, one of the most serious problems happening in Fukushima Daiichi is the spent fuel pool - fire at the fourth reactor.

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The nuclear spent fuel produced during 14 years of operation at Rancho Seco was kept cool in a water pool on site and is now in protective dry storage.

The NuScale Power ModulesTM reactor pool and the spent fuel pool are located at or below nominal plant grade level, while the hoisting and handling equipment is located above grade.

This milestone was achieved with the loading of the 13th MAGNASTOR system at the Kewaunee Power Station in Wisconsin, where MAGNASTOR systems are relied upon to accelerate defueling of the Kewaunee spent fuel pool as an important element of the plant decommissioning strategy.

To make the reactor self - sufficient in case of any leakage, including a break in the main circulation pump, it is possible to use additionally the water from the spent fuel storage pool for at least 72 hrs (an extra inventory of about 800 m3).

Currently, used fuel is safely stored in pools of water or in dry casks at the nuclear plant site.

The removed «spent» fuel then is placed into deep pools of water at the reactor site, where it continues to generate heat and radiation (Figure 1).

Spent fuel at many U.S. and other plants has stayed in pools for much longer than anticipated.

I'll get in a second to why this could be important for you if you're trying to boost your sports performance or to figure out what you're supposed to eat you know, during endurance but the other thing that was interesting was that there was another study that looked at basically how your body taps into this intramuscular triglyceride and it was found that the, when your body is tapping into intramuscular triglyceride sources, your intramuscular triglyceride pool to use that stuff as an energy source during exercise, it can actually cause a little bit of an insulin response and cause your pancreas to have to work a little bit, to churn out insulin in order for you to be able to effectively tap into this adipose tissue and so it's one of those things where there is a little bit of stress on the pancreas when you're tapping into these intramuscular triglycerides even though they're used as a really really potent source of fuel for you when you're out there performing specifically endurance exercise and in this case, for this fasted, male endurance athletes, 60 - 70 % intensity.

Try removal of the seat, looking at the fuel system with the key on to see if you see leaks / fuel pooling there as that might also occur - keep in mind the fuel is pressurized for the injectors.

During the day, newlyweds can sun at the third - floor pool and at night hit the rooftop revelry and enter a mojito - fueled scene.

Your stay at Villa La Perla will include access to its infinity edged swimming pool, Jacuzzi, large flat screen TVs in every bedroom, a gourmet BBQ, and Wolf dual fuel range kitchen for your cooking pleasure.

Japan's Self - Defense Forces worked to cool a fuel rod storage pool at Reactor No. 3 at the Fukushima Daiichi plant on Friday.