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China’s nuclear safety prospects are not good

China is projected to have 71 nuclear power stations by 2020. If we use the figure of 4,922 reactor-years as explained above, then China will “most probably” suffer a major nuclear accident within the next 69 years.

Chinese nuclear technology can be regarded as approaching global levels, with similar design, safety and operational standards. But to reduce costs, Chinese designs often cut back on safety. In the past, earthquake-resilience was lower than in Japan, for example. China also has much less experience of this sector than Japan.

safety-symbol-Smflag-ChinaChinese nuclear disaster ‘highly probable’ by 2030 The Ecologist, He Zuoxiu 25th October 2013 As the UK prepares to build a fleet of new nuclear power stations with Chinese capital and expertise, a former state nuclear expert warns: China itself is heading for nuclear catastrophe. Some members of the nuclear power industry rely too much on theoretical calculations, when only experience can provide real accuracy.

The lifetime of nuclear reactors is calculated in “reactor-years”. One reactor year means one reactor operating for one year. The world’s 443 nuclear power plants have been running for a total of 14,767 reactor-years, during which time there have been 23 accidents involving a reactor core melting. That’s one major accident every 642 reactor years.

But according to the design requirements, an accident of that scale should only happen once every 20,000 reactor years. The actual incidence is 32 times higher than the theory allows. Continue reading →

October 29, 2013 Posted by | China, safety | Leave a comment

Potentially ‘Apocalyptic’ consequences in removing Fukushima nuclear reactor’s spent fuel rods

spent-fuel-rodsFuel Removal From Fukushima’s Reactor 4 Threatens ‘Apocalyptic’ Scenario. Radiation Fuel Rods Matches Fallout of 14,000 Hiroshima Bombs By Common Dreams Global Research, October 25, 2013 by Andrea Germanos

An operation with potentially “apocalyptic” consequences is expected to begin in a little over two weeks from now – “as early as November 8″ – at Fukushima’s damaged and sinking Reactor 4, when plant operator TEPCO will attempt to remove over 1300 spent fuel rods holding the radiation equivalent of 14,000 Hiroshima bombs from a spent fuel storage tank perched on the reactor’s upper floor……

The potential radiation releases in this situation can only be described as apocalyptic. Continue reading →

October 26, 2013 Posted by | Fukushima 2013, Japan, safety | 9 Comments

Oconee Nuclear Station – one reactor shut down

1 reactor shut down at Oconee Nuclear Station The Tribune, : October 25, 2013 By JEFFREY COLLINS — Associated Press COLUMBIA, S.C. — The Oconee Nuclear Station near Seneca had to shut down one of its three reactors after a problem in the water system that helps generate electricity, federal regulators said.

Unit 3 at the plant was manually shut down by Duke Energy around 6 a.m. Thursday, about four minutes after the problem was detected, Nuclear Regulatory Commission spokesman Roger Hannah said.

A control valve in the plant’s water system started causing changes in the flow of water that generates steam to turn the turbines and create power. Engineers shut down the reactor before it was automatically turned off, and there was no danger to the public, Hannah said……. The shutdown did come in the same month the Government Accountability Office released a report about nuclear plant safety. Since 2000, the Oconee Nuclear Station reported the most safety violations of any nuclear plant in the Southeast.

The plant reported 163 lower-level violations and 14 higher-level violations. Lower-level violations pose very low risk, such as improper upkeep of a transformer, while higher-level violations range in significance, such as an electrical system that caused a fire…….. The Browns Ferry plant in Decatur, Ala., reported 135 lower-level violations and six higher-level violations, while the Palo Verde plant in Wintersburg, Ariz., reported 299 lower-level violations and five higher-level violations since 2000. http://www.sanluisobispo.com/2013/10/25/2749832/1-reactor-shut-down-at-oconee.html

October 26, 2013 Posted by | incidents, USA | Leave a comment

Careless behaviour by USA nuclear Air Force officials

Nuclear officers left crucial blast doors open, according to AP report The Verge, By Russell Brandom on October 22, 2013 According to an exclusive report by the Associated Press, Air Force officers entrusted with nuclear launch codes have been caught leaving open the blast doors to their underground command post on two separate occasions. The doors are a crucial element of American nuclear security, ensuring that even if the outer facility is compromised, attackers will not be able to reach the codes required to launch a nuclear attack. The AP’s sources say similar violations are much more common than is publicly reported.

There’s no evidence that any facilities or launch codes were compromised, but the breach of protocol raises serious questions about the security of the US nuclear arsenal, especially after the arsenal’s commander, Maj. General Michael Carey, was abruptly firedlast week. In May, three officers from a North Dakota nuclear base were relieved for a lack of “proper attitude.” http://www.theverge.com/2013/10/22/4867234/nuclear-officers-left-crucial-blast-doors-open-according-to-ap-report

October 26, 2013 Posted by | safety, USA | Leave a comment

China General Nuclear Power Group – does it have the know how to safely run Britain’s nukes?

China’s need for nuclear power leads Britain to revive outdated technology  The Guardian, Sunday 20 October 2013  “…………But while EDF has now convinced government of the need to provide these different support mechanisms, the hard work begins for the French and its Chinese partner. The nuclear industry has a terrible reputation for completing new plants years late and over budget. Areva, the French nuclear engineering company providing the EPR design for Hinkley, is involved in similar plants at Flamanville in France and Olkiluoto in Finland. Both are proving more difficult than expected: the Finnish reactors are expected to be at least seven years late and at least £1.4bn over budget; Flamanville is two years late and believed to be as much as £2bn over budget.

And there is good reason to believe that British companies are going to miss out in Somerset. Centrica has already given up its opportunity to participate as an owner, while EDF has indicated the UK may not have the high-tech engineering skills to compete for supply contracts……

Western nuclear experts claim Beijing has a lot to prove that its own regulation is up to standard, and there will be intense pressure on the UK’s Office for Nuclear Regulation not to dilute standards to help Chinese firms operate their own plants here. There is already an inquiry going on into whether too many concessions have been made by George Osborne into a separate deal under which Chinese banks can operate more freely in London.

China General Nuclear Power Group is one of the biggest companies you have never heard of. In fact, it took a new name only six months ago. The change reflected its ambitions to establish itself on a world stage, outside its home base of Guangdong province. Involvement in Hinkley Point is a key part of the globalisation strategy…….http://www.theguardian.com/environment/2013/oct/21/china-nuclear-power-britain-outdated-technology

October 25, 2013 Posted by | safety, UK | Leave a comment

2 holes leaked radioactive water from bottom of Fukushima tank

[Photo] 2 holes found in the bottom of 300m3 leakage tank / Entirely deteriorated http://fukushima-diary.com/2013/10/photo-2-holes-found-in-the-bottom-of-300m3-leakage-tank-entirely-deteriorated/  by Mochizuki on October 8th, 2013

 Following up this article.. [300m3 leakage] Tepco found 2 leaking bolts in the tank / The bolts are not loosened [URL]

hole-in-tank-Fuk-13

Tepco has been dismantling the tank since yesterday that experienced the 300m3 of leakage. The structural flaw may cause other tanks of the same type to leak commonly. Tepco is investigating the potential leaking points.

From their inspection, they found 2 holes around the bolt parts, which are 3mm × 11mm and 3mm × 22mm.

The flange parts were rusting inside and outside. The bottom parts of the tank were found severely deteriorated.

http://www.tepco.co.jp/nu/fukushima-np/handouts/2013/images/handouts_131008_03-j.pdf

http://photo.tepco.co.jp/date/2013/201310-j/131008-01j.html

News is not the truth. It’s a virtual reality that the sponsor wants us to live in.

October 10, 2013 Posted by | Fukushima 2013, incidents, Japan | Leave a comment

Yuki Karakawa speaks on radiation emergency management

Japan Expert: Second explosion was “more like a bomb” at Fukushima — Spent nuclear fuel flew 30 kilometers away, pellets collected by military — Very strange materials like europium were found — Should have evacuated out to 300 kilometers (VIDEO) http://enenews.com/japan-expert-second-explosion-more-like-a-bomb-at-fukushima-nuclear-fuel-flew-30-kilometers-away-pellets-collected-by-japan-military-should-have-evacuated-300-kilometer-zone-150-years-t
October 7th, 2013  
Title: Lessons from Fukushima
Source: Journal Tribune
Author: Tammy Wells
Date: Oct. 1, 2013

An ambassador to an international emergency management organization and a former minister of defense in Japan stopped by the York County Emergency Management Agency Monday […]

Yuki N. Karakawa, of the Karakawa Foundation and ambassador to the International Association of Emergency Managers, along with Kazuo Aichi, Japan’s defense minister in the 1990s, are both members of the Japan Resilience Initiative. […]

He said the disaster at Fukushima will be felt in Japan for a long time, and that there will be long-term medical effects – something he claims the country hadn’t put into their planning systems. […]

He estimated it will take 150 years for decontamination around Fukushima to be complete.

Yuki Karakawa – Lessons from Japan

Former York County Emergency Management Agency Director Bob Bohlmann said he’d known Karakawa for 15 years, and that he’s done a lot to spread the word about emergency management globally. […]

Yuki Karakawa’s presentation to InfraGard (“a partnership between U.S. businesses and the Federal Bureau of Investigation… dedicated to prevent hostile acts against the United States”), Published February 2013 (At 7:30 in): “300 kilometers should be evacuated, but we did not, Japan did not evacuate. […] In some areas, we can find very strange material like europium and so on. Now Self Defense Forces is collecting all materials. Also spent fuel flew because of a second explosion; it’s more like a bomb, exploded and flew like 30 kilometers. So government, or Self Defense, is now collecting all spent fuel pellets.”   Watch Karakawa’s presentation here
See also: New Book: Nuclear explosion may have occurred at Fukushima Unit 3 after ‘supercritical condition’ — Sudden increase in plutonium, uranium recorded by U.S. at several EPA stations

October 10, 2013 Posted by | Fukushima 2013, Japan, Resources -audiovicual, safety | Leave a comment

PHOTOS: broken support braces on 400-foot tower near Fukushima reactors

New report shows support braces completely severed on 400-foot tower near Fukushima reactors (PHOTOS) http://enenews.com/new-report-shows-support-braces-completely-severed-on-400-foot-tower-near-fukushima-reactors-photos

broken-poles-Fukushma-13

Title: (Systran Translation) Fukushima No. 1 nuclear power plant — Safety appraisal for the component damage of the machine chimney
Source: Tepco
Date: Oct. 7, 2013
h/t Fukushima Diary

See also: Gundersen: Quite likely that 400 foot tall tower near Fukushima reactors “buckled” from massive earthquake — Consequences of it collapsing being analyzed by Tepco (VIDEO)

October 10, 2013 Posted by | Fukushima 2013, incidents, Japan | 1 Comment

Indian Point Nuclear Plant emergency procedures won’t be good enough

safety-symbol-SmFlag-USAFormer NRC Chair: Emergency Plans Won’t Protect Residents from Radiation Huff Post , Roger Witherspoon, 8 Oct 13 The former head of the Nuclear Regulatory Commission said yesterday that emergency plans for a catastrophic event at the highly-recommendedIndian Point nuclear power plant are not designed to ensure that residents will escape unhealthy doses of radiation and it would be best if the plant closes down.

Gregory Jaczko, who led the five-member commission during the triple meltdown of Japan’s Fukushima Daiichi nuclear station and resigned last year after intense clashes with the industry and the other four commissioners, said in a wide-ranging interview that:

  • Emergency plans for Indian Point only teach officials how to make the best decisions in a bad situation and minimize the extent of contamination for those within 10 miles of the Hudson River site. The plans will do nothing to protect the 21 million people living within 50 miles, including New York City, northern New Jersey, eastern Pennsylvania, and western Connecticut.
  • With the exception of Allison M. Macfarlane, his replacement as NRC Chair, the four commissioners “were brought onto the commission because they were more interested in looking at the impact of regulations on the industry rather than on the possible impact on the safety of the public.”
  • The agency’s risk assessment, which undergirds its regulatory structure and determines what practices are safe, is seriously flawed because of a basic assumption that worst case scenarios cannot happen. As a result, there is little thought given to the consequences of accidents — even though it is certain that some will occur.
  • Because the consequences of a meltdown at Indian Point are incalculably catastrophic, it would be best if the plant were closed. Continue reading →

October 10, 2013 Posted by | safety, USA | 1 Comment

Radiation exposure to 6 Fukushima workers following pipe incident

6 Fukushima workers exposed to radiation after pipe incident Rt.com  October 09, 2013 Six people working at the site of crippled Fukushima power plant have been exposed to radiation after one of them mistakenly removed a pipe connected to a contaminated water treatment system. It’s the second incident at Fukushima in three days.

The accidental pipe detachment on Wednesday resulted in the leak of several tons of water, which Fukushima operator TEPCO uses to cool the reactors. ……http://rt.com/news/fukushima-leak-radiation-workers-919/

October 10, 2013 Posted by | incidents, Japan | Leave a comment

Safety worries about China’s new nuclear plant

Industry veteran Li Yulun said the plant’s developer, China National Nuclear Corp (CNNC), and its United States technology partner Westinghouse should be more transparent about how mainland reactors would be built according to the most advanced safety standards.

“Our state leaders have put a high priority on [nuclear safety] but companies executing projects do not seem to have the same level of understanding,” Li, a former vice-president of CNNC, said on the sidelines of a recent clean energy conference in Macau.

The State Council in October last year decided to resume “normal” construction of nuclear power plants, ending a 19-month suspension of new project approvals amid a thorough safety review of all operating projects and those under construction or being planned following the earthquake-nuclear disaster in Japan in March 2011.

Beijing also scaled back expansion of new plants before the end of 2015 and allowed only a small number of “well-proven” projects in coastal regions……..http://www.scmp.com/business/china-business/article/1325973/china-nuclear-plant-delay-raises-safety-concern

October 8, 2013 Posted by | China, safety | Leave a comment

Iran prevents latest nuclear sabotage plan

flag-IranIran foils nuclear plant sabotage plot http://www.skynews.com.au/world/article.aspx?id=912635  Sunday October 6, 2013 Iran has arrested four people suspected of attempting to sabotage one of its nuclear plants, Atomic Energy Organisation chief Ali Akbar Salehi says. ‘Some time ago, we uncovered sabotage activities by several people at a nuclear plant,’ Salehi said in comments carried by the Mehr news agency on Sunday.

‘We let them continue their activities so that we could gather more intelligence. ‘We arrested them at the appropriate moment and their interrogation is ongoing.’ Salehi did not specify which of Iran’s nuclear plants was targeted.

In August last year, saboteurs blew up power lines supplying Iran’s underground uranium enrichment plant at Fardo outside the central city of Qom.

In 2010, a US cyber-attack, reportedly carried out in collaboration with Israel, hit Iran’s nuclear facilities. The Stuxnet virus was tailored specifically to target uranium enrichment facilities. ‘There are still viruses out there but we have taken the necessary measures,’ Salehi said.

‘Since we uncovered the Stuxnet virus, we have reinforced our protection systems and a special unit has been set up.’ In recent years, Iran has detained a number of alleged US or Israeli agents accused of spying on, or attempting to sabotage, its nuclear program. Several Iranian nuclear engineers have also been killed in what Tehran says were assassinations by foreign intelligence services.

October 6, 2013 Posted by | incidents, Iran | Leave a comment

Acute danger of huge radiation release in TEPCO’s work on Fukushima Nuclear reactor no 4

exclamation-safety-symbol-SmA Mistake Now Could Release 14,000 Times More Radiation than Hiroshima http://oilprice.com/Latest-Energy-News/World-News/A-Mistake-Now-Could-Release-14000-Times-More-Radiation-than-Hiroshima.html By James Burgess | Sat, 28 September 2013  Lately the bad news emanating from Japan is that the reactors at the Fukushima nuclear power plant have been leaking thousands of gallons of water ever since the earthquake that struck it in 2011. There is a high chance that the radioactive water could hit Korea, China, and the West Coast of North America, and it is only likely to get worse with time as Tepco, the Japanese utility and operator of the power plant, is unsure how to stop the leaks.

Now however there is worse news that could prove dangerous to much of the world, and again Tepco could be responsible.

At Fukushima, used nuclear fuel rods are stored in pools and, especially at reactor 4, some of these pools are damaged and at risk of completely breaking open in the event of another earthquake. If one of the pools were to collapse or catch fire, then the impacts would affect the world. Arnie Gunderson, a nuclear expert, and Helen Caldicott, a physician, have even suggested that if this occurs then people should evacuate the Northern Hemisphere. And Akio Matsumura, a former advisor for the UN, has called the situation “an issue of human survival.”

Tepco could be responsible for unleashing this devastation on the world as starting in November they have decided to begin an operation to remove 400 tonnes of fuel rod assemblies, on their own. Aworkforce of thousands is preparing to work on the fuel rod pools at the instable reactor 4 in order to relocate them to a safer location.

The spent fuel, which contains plutonium, one of the most deadly substances in the universe, will prove to be a very delicate procedure. If a fuel rod is broken, cracked, or dropped whilst being removed, then it could cause an explosion, a meltdown, or a fire; all of which would release radionuclides into the atmosphere, and result in the evacuation of Tokyo and much of Japan.

The more than 1,300 fuel rod assemblies tightly packed into the building at reactor 4 contain enough radiation equivalent to 14,000 times the radiation released during the atomic bomb dropped on Hiroshima in 1945.

Each fuel rod assembly weighs close to 300kg and measure 4.5 metres long. The reactor 4 building contains 1,331 of spent assemblies and 202 unused assemblies.

Working completely underwater, the fuel assemblies will be pulled off their racks where they are currently stored, and then inserted into a heavy steel chamber, which shields the radiation. Then they will be removed from the pool, lowered to ground level and transported across the plant to a storage pool in an undamaged building.

Toshio Kimura, a former technician at Tepco, said that “previously Previously it was a computer-controlled process that memorized the exact locations of the rods down to the millimeter and now they don’t have that. It has to be done manually so there is a high risk that they will drop and break one of the fuel rods.”

Whilst aware of the inherent dangers, Tepco is confident that it can carry out the operation safely.

October 2, 2013 Posted by | Fukushima 2013, Japan, Reference, safety | Leave a comment

Nuclear radiological attack will find USA cities unprepared

safety-symbol-SmFlag-USAU.S. Cities Unprepared to Deal with Large-Scale Nuclear, Radiological Attack Washington Free Beacon 1 Oct 13 Watchdog group says federal government has offered little guidance to major cities Major U.S. cities lack the capabilities and know-how to effectively deal with the fallout from a large-scale nuclear and radiological attack by terrorists, according to the government’s top watchdog group.

The federal government has conducted “limited” planning and offered little guidance to major cities that are vulnerable to either a radiological or nuclear attack, according to a Monday report issued by the Government Accountability Office (GAO).

The disorganization and lack of preparedness could lead to a “disjointed” emergency response, increasing “the consequences,” fatalities, and economic toll of such a disaster, the report said.

These potentially catastrophic “gaps in early response abilities warrant federal attention,” the GAO said.

Most major cities admitted that while local emergency personnel could scramble to treat victims, they remain uncertain about how exactly to deal with such an attack and whether the federal government would come to their assistance.

There is currently “limited federal planning guidance related to the early response capabilities needed by cities for the large attack depicted in the national planning scenarios,” the GAO reported.

The GAO recommends that the Federal Emergency Management Agency (FEMA) “develop guidance to clarify the early response capabilities needed by cities for RDD [radiological dispersion device] and IND [improvised nuclear device] attacks.”……….

“10 of those cities were perceived as not being able to conduct any of the response activities for an [nuclear] attack without federal assistance.”

FEMA maintains that federal guidance would not be necessary despite the apparent lack of preparation and coordination with the federal government, according to the report………..

The GAO is warning congressional leaders that much more preparation and coordination is needed.

“A disjointed or untimely response could put many additional lives at risk, increase economic consequences, and undermine the public’s confidence in the federal, state, and local governments’ ability to respond to such a crisis,” the GAO wrote in a Monday letter to Sen. Tom Carper (D., Del.), chairman of the Senate Committee on Homeland Security and Governmental Affairs. http://freebeacon.com/u-s-cities-unprepared-to-deal-with-large-scale-nuclear-radiological-attack/

October 2, 2013 Posted by | safety, USA | Leave a comment

Nuclear catastrophe avoided in USA – so far

book-Command-and-ControlWe’re Incredibly Lucky There Hasn’t Been a U.S. Nuclear Catastrophe…Yet Atlantic Wire ERIC LEVENSON, 30 Sept 13 Know that popular Liberty Insurance Mutual commercial that jokingly shows people making small mistakes — dropping an air conditioning unit from an upper-story window or forgetting to put on the emergency brake — that destroy their cars? Funny, right? Now imagine that, but with nuclear weapons.

That’s the frightening picture that author Eric Schlosser paints in his new book Command and Control, a look at the many accidents involving nuclear weapons that almost led to massive destruction. His conclusion isn’t very comforting — it’s partly plain old luck that has kept an explosion from happening, one of several points he made in a phone interview with The Atlantic Wire………

The book is scarily full of stories like the Damascus Accident, which Schlosser worked to get declassified for the book. In another case, a B-52 plane exploded above North Carolina during a supposedly-routine flight, dropping two hydrogen bombs below. They failed to explode because of a single low-voltage switch, the last safety measure available for the explosives. Other gut-wrenching examples were reported in The New Yorker, Los Angeles Times, and The New York Times Book Review.

Just as we are lucky that none of these accidents ever resulted in an explosion, we’re equally lucky that no unhinged military members had a Dr. Strangelove-like desire to take nuclear action into their own hands, a possibility which, despite Air Force claims to the contrary, was very real. “The reality was until the early 1970s, there was nothing to prevent a bomber crew from just flying to the Soviet Union with their hydrogen bombs and dropping them,” Schlosser said. “There were no codes that they had to type in to unlock the bombs or unlock the missiles. So we’re glad that never happened but it’s a pretty risky way to manage a nuclear weapon.”

Even more disconcerting — two people in charge of safety protocols for nuclear weapons didn’t even know about all of these accidents until Schlosser told them. That’s because of the Air Force’s compartmentalized secrecy, which prevents the bomb users from interacting with its developers, Schlosser explained. “There were bomb handlers and pilots who didn’t realize some of the safety problems with the weapons, and there were weapons developers who didn’t realize how these weapons were being handled. And that’s a very bad combination,” he said.

And this isn’t just a historical problem; many of these same issues remain today. “I’m concerned about the arsenal right now, and the morale of the people who are running it, and some of the safety violations we’ve been having for the last two years,” Schlosser said. While his work highlights the potentially huge problems of human infallibility, the solutions he suggests don’t offer much. “But if we’re gonna have these weapons, we need to take care of them properly,” he said. Any other options? “Or just get rid of them.” http://www.theatlanticwire.com/national/2013/09/eric-schlosser-book-command-and-control-review-nuclear-explosion/69949/

October 2, 2013 Posted by | resources - print, safety, USA | Leave a comment