Sentences with phrase «highly radioactive»

Every waste dump in the U.S. leaks radiation into the environment, and nuclear plants themselves are running out of ways to store highly radioactive waste on site.
I can't remember any other energy source being put through so much study for so long before a single kilowatt was produced, except perhaps the kind that creates highly radioactive waste.
We still have on the books a law that does not allow us to build new nuclear power plants until we have an approved method for disposing of the highly radioactive waste.
And just like existing nuclear power plants, they produce long - lived, highly radioactive nuclear waste for which no safe management and permanent storage exists.
If the nation is to seriously confront a growing inventory of highly radioactive waste, a key step is to determine -LSB-...]
Proliferation is less of an issue with the once - through cycles, however, since the resultant plutonium stays embedded with other highly radioactive wastes.
While thorium itself looks relatively benign compared with uranium, the fuel cycle produces a number of highly radioactive by - products.
In particular, nuclear transmutation technology has been drawing significant attention after the accident.This publication is timely with the following highlights: 1) Development of accelerator - driven systems (ADSs), which is a brand - new reactor concept for transmutation of highly radioactive wastes; 2) Nuclear reactor systems from the point of view of the nuclear fuel cycle.
I came across a disturbing New Yorker article from 2007 by Steve Coll, who wrote of the alarming amount of unguarded, highly radioactive material floating around the world, and the ease with which it could be made into a dirty bomb.
The search for more clues about how she might have become exposed to highly radioactive material, leads to her job at Northmoor Corporation which was secretly involved in some shady nuclear defense contracts with the U.S. government.
So Fukushima is still leaking tons of highly radioactive water into the Pacific, even in December 2011, and plans more intentional dumping into the ocean, but declares their emissions to be «zero» due to the technicality of declaring it «a state of emergency».
While the fission products in a thorium fuel cycle have a half - life of about 66 years; it is also so highly radioactive that it can not be used to make bombs.
Approximately 300 million liters of highly radioactive wastes are stored in hundreds of underground tanks at the Hanford Site in Washington and the Savannah River Site in South Carolina.
This corridor is heavily shielded by iron and concrete from the highly radioactive neutron beam target area, only 20 meters (less than 25 yards) away.
But DOE also wants to bring waste that is so highly radioactive that it must be «remotely handled» by machines to prevent dangerous exposures to people.
It is relatively easy to separate this plutonium, because the depleted uranium blanket is less contaminated with highly radioactive fission products than regular spent fuel.
A disposal site on Yucca Mountain would need to hold up to 77,000 tons of highly radioactive nuclear waste for up to 1 million years.
Since vitrification and disposal in a federal repository of highly radioactive waste is expensive, there is an advantage to first reducing the amount of the highly radioactive waste to be vitrified, with the goal of having to process less volume.
IRSN argues that the leak could have taken place when Mayak technicians botched the fabrication of a highly radioactive component for a physics experiment at the Gran Sasso National Laboratory in L'Aquila, Italy.
«The shallow underwater tests performed during that time did create a highly radioactive plume with some fission products trapped in the water, although that material disperses and gets diluted fairly quickly,» Lyman says.
For example, an entire nuclear cycle involving light - water reactors, reprocessing of the spent fuel, and disposal of small «packages» of highly radioactive nuclear waste in deep boreholes could prove an attractive option, Moniz noted.
Neutron bombardment can convert iron and cobalt, both found in steel, into the highly radioactive isotopes manganese 54 and cobalt 60.
That is about 20 kilometres southeast of the proposed burial site of at least 25 000 tonnes of highly radioactive spent fuel and high - level waste from the US's -LSB-...]
Those stainless steel drums contain metal - clad spent uranium embedded in concrete, and they are highly radioactive.
In a bid to restart discussion of what to do with the nation's nuclear waste, four U.S. senators today unveiled a draft plan to create a federal agency that would oversee short - and long - term storage of the highly radioactive materials produced primarily by commercial power reactors.
Boreholes envisioned for holding highly radioactive waste would be far deeper than proposed or existing underground disposal.
«Despite their good intentions, the senators ignored the fact that we have a problem right now with how nuclear plant owners store this highly radioactive waste,» Lochbaum said.
Cauldrons of highly radioactive soup bump and burp, belching flammable gases.
Those were supposed to be the centerpiece of an $ 80 million, federally funded project to see whether the government could get rid of some highly radioactive waste by sticking it deep underground.
But Moniz has said it could be ideal for some kinds of waste, particularly 1936 slender, half - meter - long tubes of highly radioactive cesium - 137 and strontium - 90.
In addition, if the melted nuclear fuel proves bad enough — like Chernobyl's lethal mass of molten core known as the «elephant's foot» — it will have to be entombed for a number of years rather than removed, because of radiation risk from what is essentially a cooled shell of ceramic armor surrounding a highly radioactive core that remains hot and is still undergoing radioactive decay.
India's Atomic Energy Regulatory Board (AERB) says it took the drastic step because the university missed its August deadline for filing a fact - finding report on an incident that took place in April, when the Chemistry Department breached regulations by selling as scrap a gamma irradiator containing the highly radioactive isotope cobalt - 60.
Highly radioactive water from Japan's crippled Fukushima nuclear plant is pouring out at a rate of 300 tons a day, officials said on Wednesday, as Prime Minister Shinzo Abe ordered the government to step in and help in the clean - up.
The Elephant's Foot, a highly radioactive corium glob that formed beneath the Chernobyl reactor during the 1986 disaster, looks remarkably like a cooled basaltic flow.
One category of highly radioactive material, which ends up stored in glass «logs» for burial, is reduced, he said.
These highly radioactive remains are thought to be melted fuel as well as supporting structures.
They say enriching uranium at a processing plant poses less risk than handling spent nuclear fuel, which is highly radioactive, at a reactor.
The research may eventually help lead to ways to safely dispose of highly radioactive spent nuclear fuel that is stored now at commercial nuclear power plants.
In the final milliseconds, as the two objects merge, the death spiral kicks out highly radioactive material.
Studying such compounds in the lab also helps computational researchers to improve their predictions about the more highly radioactive elements present in nuclear waste that are even more difficult to study.
«If you were down here when the beam is operating,» Limon replies, «it would be highly radioactive and fatal.»
«If I were down here when the beam was operating, would it be highly radioactive and dangerous?»
But some experts and activists are concerned the route approval is a prelude to shipping highly radioactive liquid waste.
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.
Wildfire Burns in Fukushima «No - Go Zone,» Sparking Fears of Airborne Radiation EcoWatch A wildfire broke out in the highly radioactive «no - go zone» near the crippled Fukushima nuclear power plant over...
They knew the basement was highly radioactive, but officials promised that if they died, their families would be provided for.

Not exact matches

Each gas drilling well requires 5 acres of road and well pad, 4 to 9 million gallons of water mixed with 50,000 gallons of hundreds of different chemicals — many of them highly toxic carcinogens, neurotoxins and endocrine disrupters (as well as many untested synergistically on living beings) forced into a spider web of miles of pipeline that is soon thick coated with radioactive radium when 60 % of that toxic brew is on its way back upward as gas waste «brine.»
Cobalt - 60 and many other radioactive elements emit highly energetic gamma rays when they decay.
«What we're talking about here is highly complex, multicomponent radioactive waste which contains almost everything in the periodic table,» Goel said.
In particular, a relatively new form of nuclear technology could overcome the principal drawbacks of current methods — namely, worries about reactor accidents, the potential for diversion of nuclear fuel into highly destructive weapons, the management of dangerous, long - lived radioactive waste, and the depletion of global reserves of economically available uranium.
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