Sentences with phrase «fuel pool»

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

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

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.

The water level is low at reactor No. 4's spent fuel pool as well.

The spent - fuel pools contain a large amount of radioactive material that is not contained as well as that in the reactor cores.

The condition of the spent fuel pools has been a source of rising anxiety and confusion since the crisis began.

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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.

In addition, one of the emergency diesel units can now be operated and will be used to supply unit 5 and 6 alternately to inject water to their used fuel pools.

The NuScale spent fuel pool provides storage for up to 10 years of spent fuel storage, plus temporary storage for new fuel assemblies.

As Japan attempts to cool overheating nuclear fuel with seawater, experts worry that the damaged spent - fuel pools pose the greatest threat

Exposed fuel pools and low - pressure readings at the Fukushima Daiichi plant suggest growing hazard levels there, raising serious concerns about the course of the crisis

«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.

The fuel had been moved from reactor No. 4's core to its spent - fuel pool recently, so «that fuel is relatively fresh and hotter, thermally,» Resnikoff explained.

Resnikoff noted that the pools at each reactor are thought to have contained the following amounts of spent fuel, according to The Mainichi Daily News: • Reactor No. 1: 50 tons of nuclear fuel • Reactor No. 2: 81 tons • Reactor No. 3: 88 tons • Reactor No. 4: 135 tons • Reactor No. 5: 142 tons • Reactor No. 6: 151 tons • Also, a separate ground - level fuel pool contains 1,097 tons of fuel; and some 70 tons of nuclear materials are kept on the grounds in dry storage.

And that means there may be two direct paths for radioactive particle byproducts of nuclear fission, such as cesium 137 and iodine 131, to escape and spread radiation — cracks in containment as well as the spent fuel pools now open to the air.

Only good fortune and makeshift measures to pump or spray water into all the spent fuel pools averted that disaster, the academy panel notes.

Faced with an extenuating event, the reactor will automatically shut down and all of the plant's fuel — both in the reactor and the spent fuel pool ̶ will remain in a safely cooled state without the need for electric power.

The small footprint of the NuScale Power Modules plant and the low profile of the reactor building due to below - grade placement of the NuScale Power Modules and spent fuel pool offer a greatly reduced target size relative to traditional LWRs.

For those reactor plants, the tritium builds up in their Spent Fuel Pools during refueling operations.

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.

In it, he called for international intervention before the Tokyo Electric Power Company began to move fuel rods from the spent fuel pool for reactor unit 4 and urged the four climate scientists who recently called for a big push to advance safer nuclear power plant designs to go to the site.

That survey led to the installation of scaffold - like braces for the spent fuel pool later reinforced by concrete.

The truth is that the irradiated fuel in the Unit 4 spent fuel pool does pose some hazard and the prudent management of that risk is to remove it from its present location to a safer, more secure location.

It works the same way as our other green energy products — we inject green fuel into the Canadian fuel pool to match the amount of regular fuel you use.

Helicopters and fire trucks proved unsuccessful at replenishing damaged nuclear fuel pools at Japan's Fukushima Daiichi plant on Thursday.

It is a light water reactor with the reactor, steam generator, and spent fuel pool located inside the containment.

Another consideration, as Rita Sipe, manager of Duke Energy's Nuclear Fleet Communications, in February told POWER, is that used fuel pools and dry cask storage sites, which Duke has located at five of the company's six operating nuclear plants, require operations and maintenance (see sidebar, «The Dry Cask Boom»).

The spent fuel pool provides storage space for up to 15 years of accumulated spent fuel assemblies, plus temporary storage for new fuel assemblies.

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.

These could include new measures to extend plant protection when outside and backup alternating current power and new instrumentation to monitor conditions in spent fuel pools in emergencies.

His call was backed by New York's Congressional delegates including Representatives John Hall (D - NY), Maurice Hinchey (D - NY), Eliot Engel (D - NY), Nita Lowey (D - NY), and Senator Charles Schumer (D - NY) and then - Senator Hillary Clinton (D - NY), who introduced legislation in February 2007 that would require an in - depth review of Indian Point's vital safety and mechanical systems, spent fuel pools, and radiological emergency evacuation plans.

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.

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.

He received support from some of New York's top Congressional delegates, who introduced legislation requiring an in - depth review of Indian Point's vital safety and mechanical systems, spent fuel pools, and radiological emergency evacuation plans.

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.

What if I took a short swim in a nuclear - fuel pool?

Global radioactivity data challenge Japanese estimates for emissions and point to the role of spent fuel pools

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

The fire, reported at 9:30 a.m., led to the loss of electrical power for the system that circulates cooling water through the spent fuel pool, according to a report from the Nuclear Regulatory Commission.

JACZKO: «This is going to progress to the point at which we probably have, we, I think, have to assume at this point that we're going to have three reactors out of control and possibly up to six spent fuel pools.»

Similarly, if the utility could not protect spent fuel pools or casks from being breached during a severe accident, which happened in Japan, the NRC should not license it.

The spent fuel pool is dry and there appears to be a zirconium fire in the spent fuel pool of Unit 4.»

The spent fuel pool is in — excuse me — the spent fuel is in the spent fuel pool.

«Thinning out the spent - fuel pools is a no - brainer,» Lochbaum says.

The NRC solution is for reactor operators to add hoses or spray systems to permit cooling water to be added to such spent - fuel pools.

In the U.S., because of a lack of a long - term plan for dealing with such nuclear waste, spent - fuel pools are even more densely packed, making it easier for a meltdown to occur in the event of a loss of water.

That said, the nuclear industry's FLEX approach, would also include additional pumps and hoses to get water to the spent - fuel pools, as well as instruments to monitor their condition.