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Concerns over safety of nuclear waste storage casks at Pilgrim Nuclear Power Station

Sea level rise factors into nuclear waste discussion Pilgrim advisory panel reviews issues related to dry cask storage. Cape Cod Times, PLYMOUTH , 17 Nov 17, — Entergy Corp.’s plan to store more than 4,000 highly radioactive spent fuel assemblies in massive casks about 25 feet above mean sea level at Pilgrim Nuclear Power Station raised considerable concern among members of the Nuclear Decommissioning Citizens Advisory Panel at a meeting Wednesday.

Concerns ranged from the potential for the metal-lined casks to corrode over time and leak, to the possibility that sea level rise could put them underwater in a storm.

The spent fuel will likely be stored in multipurpose dry casks, manufactured by Holtec, that are 18 feet tall and 11 feet in diameter. Once filled, they weigh 173 tons. The casks will stand on two concrete pads outside the reactor. The first pad is already in place and holds eight loaded dry casks. It can accommodate about 38.

The second pad is yet to be built and its location is still under study. It will likely be close to the first. Highly radioactive metal now in the reactor’s core also will be stored in casks, Entergy representative Joseph Lynch said.

The plant is scheduled to shut down permanently by May 31, 2019. The 21-member advisory panel was appointed to advise the governor on matters related to the plant’s decommissioning.

The reactor’s location on the coast of Plymouth raises issues such as flooding potential and cask corrosion.

Lynch provided data, based on the company’s most recent flood study, that showed a Category 5 hurricane, with waves swelling to 9 feet, could raise the sea level to 22.4 feet.

Although Lynch said the data demonstrated “we have margins,” panel members and members of the public who attended the meeting said those margins were too tight…….

Rising sea levels should be factored into planning, said Duxbury resident James Lampert. “I’m concerned, and this panel should be concerned, that we’re always taking today’s snapshot,” Lampert said. “There’s no plan to move any of this stuff. You have to assume these casks may be on the two pads for 50 or 100 years.”

Lampert asked how much of the fuel was so-called “high burn-up” — a question Lynch could not answer. According to the Nuclear Regulatory Commission website, high burn-up spent fuel is hotter and more radioactive…….

Dry cask storage of lower burn-up spent nuclear fuel has been done since 1986, but dry storage of high burn-up spent fuel is more recent, according to the U.S. Office of Nuclear Energy website. About 200 dry casks have now been loaded with at least some high burn-up fuel, the site says, and almost all spent nuclear fuel being loaded in the United States is now high burn-up.

NRC spokesman Neil Sheehan declined “for security reasons” to say how much spent fuel at Pilgrim is high burn-up.

Lampert also asked the panel to review a study by research scientist Gordon Thompson on weapons capable of penetrating dry casks.

Mary Lampert, president of the citizens group Pilgrim Watch, called projections that plants already closed, such as Vermont Yankee, would be free of stored fuel by 2052 “fantasy,” since there is still no national repository to permanently handle spent fuel.

Gov. Charlie Baker and the decommissioning panel should be looking at the worst-case scenario, she said.

The multipurpose dry casks made by Holtec are not the best choice, she said.

“Holtec casks are designed for the short term,” she said. “Diablo Canyon’s casks are showing early signs of stress corrosion.”

Although the casks are permitted for 20 years by the NRC, they will likely be relicensed for 40 or even 60 years, Lynch said.

Rebecca Chin, co-chairwoman of the Duxbury Nuclear Advisory Committee, lobbied for monitoring wells around the perimeter of the casks. “We need to know what’s running off the pad into the groundwater,” Chin said. http://www.capecodtimes.com/news/20171116/sea-level-rise-factors-into-nuclear-waste-discussion

November 18, 2017 Posted by | safety, USA, wastes | 1 Comment

Dounreay fast nuclear reactor’s dome to be demolished

BBC 14th Nov 2017, Permission has been sought for major changes to the Dounreay nuclear power
complex, including the demolition of its landmark dome structure. A
planning application has been submitted to Highland Council for the
dismantling of the site’s reactors.

The application covers other work,
including construction of new buildings to store low level radioactive
waste. The waste is currently held in pits that are at risk of being
exposed due to coastal erosion. Dounreay Site Restoration Limited (DSRL)
has estimated that this could take from 800 to 3,000 years to happen, with
the radioactive material then being washed out into the North Atlantic.

Thebuildings to be demolished include the Dounreay Fast Reactor’s exterior
superstructure, also known as the sphere and the golf ball. It is a
landmark feature of the nuclear site on the Caithness coast, near Thurso.
The dome, like many other structures at Dounreay, was built in the 1950s.
http://www.bbc.co.uk/news/uk-scotland-highlands-islands-41982131

November 16, 2017 Posted by | decommission reactor, UK | Leave a comment

Funding arrangements for clean-up at Hanford nuclear site – ‘Dangerous and destructive’’

‘Dangerous and destructive.’ That’s how board describes Hanford’s funding trend http://www.tri-cityherald.com/news/local/hanford/article184177936.html, BY ANNETTE CARY acary@tricityherald.com  NOVEMBER 11, 2017  \

November 13, 2017 Posted by | - plutonium, USA | Leave a comment

A drone for Dounreay

BBC 10th Nov 2017, A drone is being used at a Scottish nuclear site for work that can involve
a risk of injury and cost thousands of pounds to be done by people. The
camera-equipped unmanned aerial vehicle is being flown on inspections of
Dounreay’s highest structures. Dounreay Site Restoration Limited (DSRL)
said it carries out about 50 such inspections every year. The nuclear power
site on the north Caithness coast near Thurso is in the process of being
decommissioned.
http://www.bbc.co.uk/news/uk-scotland-highlands-islands-41947604

November 13, 2017 Posted by | decommission reactor, UK | Leave a comment

UK public being asked for views on Wylfa nuclear waste management

Wales Online 6th Nov 2017, The public are being asked for the views on how the radioactive waste from
the new nuclear power station at Wylfa is managed and disposed of. Natural
Resources Wales (NRW) is asking people for their views on Horizon Nuclear
Power’s application for an environmental permit.

The application is for a radioactive substances regulation permit which details how Horizon will
manage, discharge, transfer and dispose of radioactive material and waste
from the power station. As part of the process NRW is holding a public
consultation on the content of application. It’s the first in a series of
permits that the company needs to operate its planned Wylfa Newydd power
station at Tregele, Anglesey. To be granted this permit Horizon must
demonstrate how it will minimise the amount of radioactive waste it
generates and discharges.
http://www.walesonline.co.uk/business/business-news/youre-worried-nuclear-waste-your-13863171

November 8, 2017 Posted by | UK, wastes | Leave a comment

Cost of decommissioning Pilgrim nuclear power station – $25 million a year

$25 million a year decommissioning fee proposed for Pilgrim nuclear plant  Andy Metzger, State House News Service, Nov 6, 2017 BOSTON — Without sufficient funds for safely decommissioning the Pilgrim Nuclear Power Station, the state could be left holding the proverbial (glowing) bag once the plant ceases operations, environmental activists warned lawmakers Monday, asking them to impose a $25 million annual fee on the station if it misses deadlines.

The plant is set to close in a year and a half and its owner, Entergy, said the timetable for completing the decommissioning five years after closing is unrealistic.

“Physically it’s impossible to decommission in five years,” Tom Joyce, a lobbyist for Entergy, told the Committee on Telecommunications, Utilities and Energy. The fuel that was delivered to the power plant on the Plymouth coast about six months ago is “very hot and being used now to fuel the reactor and produce electricity, which will stay in the pool and can’t be touched for five years,” Joyce said.

Pilgrim went into operation in 1972, and it has been a source of major safety concern for residents of the South Shore and Cape Cod, especially after the meltdown in Fukushima, Japan, demonstrated the devastation that can follow a nuclear disaster……..

The plant, which is rated one notch above the Nuclear Regulatory Commission’s ranking of unacceptable, is set to close at the end of May 2019, and federal regulators will oversee the decommissioning process.

Pilgrim has a fund to pay for decommissioning that Joyce said stands at around $1 billion and anti-Pilgrim activists said was recently priced at about $960 million. Activists say that amount won’t be enough to cover the cost of safely securing the spent fuel and other decommissioning responsibilities.

Decommissioning Vermont Yankee, a smaller plant, had an estimated cost of $1.23 billion, according to Claire Miller, a community organizer for Toxics Action Center.

“If there’s not enough money the reactor could be mothballed for 60 years, and during that time obviously the workforce would be reduced to a skeleton [crew], offsite emergency planning would be eliminated, and offsite environmental monitoring eliminated or reduced,” Miller told the committee. “If Entergy … skips town, we are left holding the bag, along with lots of radioactive waste.”

Legislation filed by Plymouth Republicans Sen. Vinny deMacedo and Rep. Mathew Muratore would establish a Nuclear Power Station Post-Closure Trust Fund financed with $25 million annual payments by any nuclear plant that is not completely decommissioned five years after it stops making electricity. Pilgrim is the only remaining nuclear plant in Massachusetts.

“This is a detriment to our community,” deMacedo told the committee about the soon-to-be shuttered plant…… http://plymouth.wickedlocal.com/news/20171106/25-million-year-decommissioning-fee-proposed-for-pilgrim-nuclear-plant

November 8, 2017 Posted by | business and costs, decommission reactor, USA | Leave a comment

Anxiety over the San Onofre nuclear wastes, and all of America’s growing pile of radioactive trash

Navy ponders what to do with site of San Onofre nuclear facility San Diego Tribune, Rob Nikolewski, Contact Reporter, 5 Nov 17,   The anxiety over the 3.55 million pounds of nuclear waste sitting at the San Onofre Nuclear Generating Station (SONGS) dominates most of the discussion about the future of the site.

After all, the spent fuel is located in what many say is the most vulnerable site imaginable — about 100 feet from the Pacific Ocean, next to one of the most heavily traveled freeways in the country (Interstate 5), in an area with a history of seismic activity and within a 50-mile radius of where 8.4 million people live.

But often overlooked is what will eventually happen to the land where the plant currently sits, which is carved out of an 85-acre chunk of Marine Corps Base Camp Pendleton, owned by the U.S. Navy.

Back in 1964, an easement was issued by the Department of the Navy to Southern California Edison and San Diego Gas & Electric to construct SONGS.

About one-third of the waste at SONGS is sitting in what is called “dry cask storage.” The remaining two-thirds are in “wet storage,” where the assemblies are being cooled. Dry storage is considered safer than wet storage.

Starting next month, workers at SONGS will begin the slow process of transferring the fuel assemblies in wet storage to a dry cask storage site that recently wrapped up construction.

The transfer is expected to be completed in 2019.

Like waste at nuclear facilities across the country, the spent fuel at SONGS is stuck on site until the federal government opens a repository to receive the nearly 80,000 metric tons that has piled up over the years. http://www.sandiegouniontribune.com/business/energy-green/sd-fi-songs-navy-20171103-story.html

November 6, 2017 Posted by | USA, wastes | Leave a comment

The global burden of nuclear decommissioning

TMR 3rd Nov 2017.Strict regulations pertaining to nuclear disaster are likely to have a core
impact on the growth of the global market for nuclear decommissioning
services, states TMR Research in a research report. The report has been
titled, “Nuclear Decommissioning Services Market – Global Industry
Analysis, Size, Share, Trends, Analysis, Growth, and Forecast 2017 –
2025.”
https://tmrresearchblog.com/alarming-rise-accidents-trigger-use-nuclear-decommissioning-services/

Le Monde 4th Nov 2017, Europe faces the burden of nuclear decommissioning. In Germany and Italy,
as in France, the deconstruction of the reactors will spread over decades,
producing huge volumes of waste difficult to manage.
http://www.lemonde.fr/planete/article/2017/11/04/l-europe-face-au-fardeau-du-demantelement-nucleaire_5210174_3244.html

November 6, 2017 Posted by | 2 WORLD, decommission reactor | Leave a comment

Chalk River nuclear waste dump now to get only ‘low level’ waste

World Nuclear News 2nd Nov 2017, Only low-level radioactive waste will be disposed of in the planned Near
Surface Disposal Facility (NSDF) at Chalk River, Canadian Nuclear
Laboratories (CNL) has announced. CNL made the decision not to include
intermediate-level waste after reviewing comments and concerns expressed
during a public comment period on the facility’s draft Environmental Impact
Statement (EIS).  http://www.world-nuclear-news.org/WR-Low-level-waste-only-for-Canadian-repository-0211178.html

November 3, 2017 Posted by | Canada, wastes | Leave a comment

South Carolina’s relics of an ill-fated nuclear building spree

The South’s legacy of abandoned nuclear reactors, The Slate, BY CAROLINE PEYTON AND SPECIAL TO THE STATE’S EDITORIAL BOARDNOVEMBER 02, 17 COLUMBIA, SC   “……..The cancellation of the V.C. Summer expansion project testifies to innumerable missteps, but our collective amnesia has missed the bigger story: The South’s long, messy nuclear history is a catalog of modest successes and epic failures.

Sadly, the V.C. Summer project shutdown is nothing new for the South. It has happened at least 22 times since the 1970s. Some plants existed merely as blueprints, while others were canceled mid-construction. Across the region, half-finished projects stand as emblems of bungled industry efforts. At its core, this history has been defined by secrecy, miscalculations and decisions made by the few at the expense of ordinary people.

In the 1950s and 1960s, Southern politicians envisioned regional transformation through atomic energy; the South would become an “energy breadbasket.” A network of elected officials, utility companies and industry lobbyists sold these projects as job creators, an endless source of cheap energy and boons to the rural communities located near reactors.

This building spree resulted in more than 40 commercial nuclear reactors operating at 23 sites and earned the South industry admiration for its “nuclear friendly citizenry.” Yet those reactors represent only a fraction of what could have been; approximately 35 additional reactors were proposed for Southern states, including a half-dozen where construction had started and billions of dollars were spent on the nuclear road to nowhere.

So what happened to those ill-fated reactors? By the late 1970s, projections for energy demands declined, construction costs didn’t match initial projections, and the accident at Three Mile Island soured public opinion. Local concerns mattered too.

In South Carolina, the failed nuclear fuel reprocessing plant in Barnwell County, along with the staggering influx of radioactive waste, helped spawn the South’s largest anti-nuclear protest. Protestors flocked to Barnwell denouncing South Carolina’s role as the nation’s trash can.

In Mississippi, infuriated ratepayers gathered outside the Grand Gulf nuclear plant and burned their utility bills. Other plants were plagued with serious safety issues and community opposition, like the now-operating Waterford 3 reactor in Louisiana.

The most notorious episode occurred with the Tennessee Valley Authority, where a corporation fought landowners in Hartsville, Tenn., to build the “world’s largest nuclear plant” — only to pull the plug. What remains in this bucolic setting are half-finished remnants and a lone cooling tower, fittingly called a “used beer can” by residents. TVA ultimately canceled seven reactors after spending billions, which tarnished its legacy, permanently marred local landscapes and exacerbated a climate of distrust.

Today, the cavernous structures attract photographers seeking dystopian backdrops. Mostly though, they continue to rust away, a symbol of a beleaguered industry that has never resolved fundamental problems — namely projects mired in secrecy and unrealistic cost estimates.

Despite industry reforms since the 1970s, V.C. Summer’s collapse sounds familiar to those well-acquainted with the region’s nuclear past. Bad legislation, the Base Load Review Act of 2007, placed the cost burden upon the ratepayers and limited SCE&G and SCANA’s accountability. A secret report, along with internal emails between SCE&G and state-owned Santee Cooper, reveal a troubling array of warning signs and uncorrected problems.

While it’s true that there were new problems here, such as the Westinghouse bankruptcy, the broad outlines of the V.C. Summer fiasco could have been ripped from any headline in the late 1970s. In the case of those canceled projects, no genuine attempt at restitution was made. Those abandoned plants offer guidance for today.

Legislators and public service commissions must prioritize ratepayers first, better understand the risks involved in large-scale reactor projects and let history inform their decisions as well. If the industry wants to retain the South’s “nuclear-friendly citizenry,” it, too, must confront the nuclear ghosts of its past, and reject the hubris, secrecy and overblown projections that have doomed so many plans and, in some cases, left Southerners with little more than nuclear ruins.

Dr. Peyton wrote her dissertation at USC on the South’s nuclear history; contact her at cpeyton@cameron.edu http://www.thestate.com/opinion/op-ed/article182242486.html 

November 3, 2017 Posted by | USA, wastes | Leave a comment

Examining the hype in Australia about space exploration

Australia’s international space agency hype https://independentaustralia.net/environment/environment-display/australias-international-space-agency-hype,10876  s the current hype about space travel justified, and what of the human and environmental cost? Noel Wauchope reports.

ENTHUSIASM for space travel has been mounting since Australia hosted the recent International Astronautical Congress (IAC), held in Adelaide in September.

Then there was the announcement that Australia is getting a space agency!

We are informed by space scientist Dr Megan Clarke:

“ … more than 3000 of the world’s top space experts wildly cheered [and] all aspects of Australian society were united on the need for a national agency.” 

In November, the very brilliant and appealing space travel and nuclear power enthusiast, Professor Brian Cox is to tour Australia! Champion astronaut Scott Kelly has just published his exciting bookEndurance: a Year in Space, A Lifetime of Discovery.

Dare anyone throw cold water on all this joy?

Intriguingly, the Australian Government, while proudly hyping up this initiative, has not yet come up with a title for the new agency. However, someone else has and they have set up an elegant and professional-looking website for it: Australian Research and Space Exploration (ARSE).

Let’s start with that most important consideration — money

Although everyone says that space exploration is going to be an economic bonanza, I can’t see how it’s actually going to bring in money. There are some vague suggestions about finding mineral resources on other planets. Even NASA seems hard-put to find any real commercial benefits.

They discuss a few useful scientific and medical technologies — for example, water purification techniques and advanced eye surgery. These are side benefits of space research but surely could have been developed more cheaply with research on Earth directly intended for the purpose. I am reminded of the “benefits” of man walking on the moon in 1966 – we got Teflon – and even that didn’t turn out so well.

What about the costs of space exploration, space travel and sending a man to Mars? It is very hard to locate actual figures. Even three years ago, NASA’s space travel research cost taxpayers US$17.6 billion (AU$22.9 billion) — and costs have surely risen by now.  A huge part of the cost is in fitting and fuelling the space rockets’ thermoelectric generators with the production of the plutonium fuel being the most costly part of the expense.

Plutonium fuel

Plutonium 238 fuelled Voyager 1, which is expected to keep going until 2025, the New Horizons trip to Pluto and Cassini, which recently crashed into Saturn. NASA is sanguine about risks of a space exploration accident, claiming that it’s a low probability.

Karl Grossman has described a previous accident, dispersing plutonium widely and the risks involved in the Cassini project thus:

‘ … the Plutonium-238 used in space devices is 280 times more radioactive than the Plutonium-239 used in nuclear weapons.’ 

A very small amount of Plutonium-238, that cannot be seen, felt, or measured with a Geiger counter is enough to kill you. One nanoparticle inhaled and lodged in the lungs is enough to give anyone lung cancer. In experiments with dogs, there was no dose low enough to NOT cause the death of these animals. Just one nanoparticle the size of dust (1 microgram) that could not even be seen, was enough to kill every dog tested.

There is a long list of space travel accidents, including 19 rocket explosions causing fatalities, as well as nine other crashes/accidents causing fatalities. There seems to be no published research on rockets and space debris that have ended up in the oceans. We can assume that such ocean debris does exist, including the long-lasting radioactive particles of plutonium, to be carried thousands of miles by ocean currents.

Ocean crashes are sometimes reported, but the public is generally unaware of the space junk and the plutonium that goes into the oceans. NASA is very coy about publicly stating that the rocket’s rockets’ thermoelectric generators are, in fact, fuelled by plutonium.

NASA continues research on solar-powered space flights, but that idea seems out of fashion at the moment.

The human toll of space travel

The human toll of space travel is not emphasised. However, Scott Kelly, who holds the U.S. record for time spent in space, has been quite frank about this in his new book. As an identical twin, Scott is an especially useful person for studying the effects of space on the body.

He became, in fact, a laboratory research animal — a sacrificial lamb, perhaps, in the cause of space research:

‘I lost bone mass, my muscles atrophied and my blood redistributed itself in my body, which strained and shrank the walls of my heart. More troubling, I experienced problems with my vision, as many other astronauts had. I had been exposed to more than 30 times the radiation of a person on Earth, equivalent to about ten chest X-rays every day. This exposure would increase my risk of a fatal cancer for the rest of my life.’

Despite Scott’s extraordinary health problems, which linger to this day, he is optimistic and keen about human travel to Mars.

Which brings us to the biggest consideration: the ethics of all this.

I am fascinated that it is stated in Wikipedia, in assessing the cost of sending humans to Mars (over US$500 billion or AU$651 billion), that:

‘The largest limiting factor for sending humans to Mars is funding.’

I think that the human cost should be a bigger “limiting factor”. There’s still the problem of lethal radiation on the trip and on Mars. Plus it’s a one-way trip. Scott Kelly has detailed, especially, the mental distress of being stuck in a spacecraft for months, isolated from human society and from loved ones, as well as the physical problems. Despite all this, Scott is keen on space travel and humans going to Mars. He is carried along, it seems, by a love of adventure, of risk, of achievement and fame.

Comfortable old white men in suits are planning the Mars trip; Younger, enthusiastic young men and women, like Scott Kelly, are mesmerised by the adventure and perceived “glory”. Should we be encouraging them on this suicide mission?

We are constantly being told of the benefits to come, in space travel. What benefits? Are they greater than the huge environmental and personal risks? And the financial costs – the US$500 billion (AU $651 billion), paid for by the tax-payer? That money could go to meet real human needs. There’s something wrong with our priorities when we mindlessly accept enthusiasm for technology, innovation, and so on, as better than healing the health of this planet and its populations.

Nuclear power

And there is one other issue — nuclear power. The space hype coincides with the current drastic downturn in the fortunes of the nuclear industry. To continue with space research/travel, plutonium is needed. And the only way to get it is from nuclear reactors. Space science could be a lifeline for the failing nuclear industry.

It’s no coincidence that the International Astronautical Congress was held in Adelaide — Australia’s hub of nuclear ambition. It’s no coincidence that Professor Brian Cox is visiting, hot from his recent pep talks to the nuclear industry in Wales.

The uncritical hype about space travel ties in well with the pro-nuclear hype, especially in South Australia.

November 2, 2017 Posted by | - plutonium, AUSTRALIA, technology | Leave a comment

WEST Somerset Council concerned about EDF’s £19.6 billion for huge stranded waste nuclear storage

WEST Somerset Council’s cabinet is being asked to challenge Hinkley Point
C power station’s plans to change the way it will deal with waste nuclear
fuel until the council gets more information.

At its meeting next Wednesday, the cabinet committee will be recommended to object to EDF
Energy’s application to the Government’s planning inspectorate for
“non-material changes” to the £19.6 billion project. This would allow
an interim spent nuclear fuel store with a life of 120 years to be
increased in size – up in length from 150 to 229 metres, eight metres wider
and five metres higher, making it one of the biggest buildings on the site.
EDF claims a larger building is needed because it has been decided to keep
the nuclear waste dry in concrete and steel cannisters rather than, as
originally planned, in wet storage in a pool.
http://www.wsfp.co.uk/article.cfm?id=108485&headline=Concern%20over%20bigger%20Hinkley%20waste%20fuel%20building§ionIs=news&searchyear=2017

October 29, 2017 Posted by | UK, wastes | Leave a comment

Continuing effort to remove dangerous spent nuclear fuel rods from Andreyeva Bay

Bellona 25th Oct 2017, The second bundle of 22,000 spent nuclear fuel rods are set to leave the
submarine maintenance base of Andreyeva Bay as part of an ongoing effort to
secure Cold War radioactive hazards lurking near the Russian-Norwegian
border, a Russian official said last week.
http://bellona.org/news/nuclear-issues/2017-10-andreyeva-bay-gears-up-to-send-away-more-old-nuclear-fuel

October 27, 2017 Posted by | EUROPE, wastes | 1 Comment

Argument on the classification of nuclear waste

Reclassify waste to shift the nuclear landscape, The US Department of Energy should classify and dispose of nuclear rubbish according to risk.Nature, 24 October 2017 The United States has a single deep geological repository for nuclear waste. Since 1999, the Waste Isolation Pilot Plant (WIPP), 655 metres down in a massive salt formation near Carlsbad, New Mexico, has received 12,000-odd shipments of what it calls transuranic waste. This is clothing, tools and other detritus from the nuclear-weapons programme that are contaminated by elements heavier than uranium. It’s more hazardous than low-level waste, which can be buried closer to the surface, but not as dangerous as high-level waste, for which a disposal site has yet to be found.

WIPP was closed for three years after radiation escaped from a ruptured drum in 2014. It was given the all-clear to reopen only in January; an enquiry determined that the drum had been packed improperly before shipment from the Los Alamos National Labora­tory in northern New Mexico. Concerns remain about safety, as well as the long-term risk of human intrusion into a facility that will remain dangerous for thousands of years after its eventual closure. But by and large, WIPP has functioned as designed, and it could do even more to help the US Department of Energy (DOE) address the fallout from the country’s nuclear-weapons programme.

Much high-level waste — produced during the reprocessing of spent nuclear fuel into plutonium — is highly radioactive and dangerous. But the evidence suggests that some of the waste that is labelled ‘high level’ technically qualifies as transuranic. This material is still barred from direct disposal at WIPP, purely because of how it was produced. But labels can be changed. If wastes that meet the transuranic criteria could be shipped to WIPP, it would save considerable time and effort as the DOE continues to struggle with the country’s radioactive legacy. ………

After spending some $11 billion on the as-yet-unfinished vitrification plant over the past two decades at Hanford, some may hesitate to change course. But as former DOE secretary Steven Chu said, the worst thing you can do in a multi-decade project such as nuclear-waste clean-up is to close the door to alternatives. In this case, the solution is simple enough: nuclear waste should be managed on the basis of the risk it poses and not the process that produced it. http://www.nature.com/news/reclassify-waste-to-shift-the-nuclear-landscape-1.22880

October 25, 2017 Posted by | USA, wastes | Leave a comment

Call to get rid of radioactive redundant nuclear submarines from Scottish dockyard

Dundee Courier 24th Oct 2017,Radiation levels around Rosyth dockyard increased last year according to
the latest monitoring report. Levels across the UK were well within dose
limits, said the Scottish Environment Protection Agency (SEPA) following
the publication of its Radioactivity in Food and the Environment (RIFE 22)
Report.

However, local SNP MSP Douglas Chapman has made a renewed call for
the “excruciatingly slow” timescale for dismantling Rosyth’s seven
redundant nuclear submarines to be hastened. Mr Chapman, said: “It’s
encouraging that SEPA’s latest report shows radioactivity doses are well
within limits.

“However, Rosyth should not be a sanctuary for toxic
submarines and this is something I have raised in Parliament as
constituents are fed-up with the subs rotting in their own backyard. Yes,
they are to be dismantled and removed, but the timescale is excruciatingly
slow. “‘I’m encouraging SEPA to progress its work with the MoD to
manage the area effectively and help rid Rosyth of the subs so that the
space in the dockyard basin can be used for more economically productive
uses.”

https://www.thecourier.co.uk/fp/news/local/fife/530843/calls-made-to-speed-up-excrutiatingly-slow-nuclear-submarine-dismantling-process-at-rosyth

October 25, 2017 Posted by | safety, UK, wastes | Leave a comment