DOUNREY, TRIDENT & DAGELTY BAY (Scotland’s Glow part 2)

Scottish government ‘not told’ about Dounreay radiation problem 6 March 2014

HMS Vanguard (file pic)HMS Vanguard is to be refuelled with a new nuclear reactor as a result of the Dounreay radiation discovery

The Scottish government has criticised the MoD for not alerting it to a radiation problem at the Dounreay nuclear submarine test reactor.

It came after UK Defence Secretary Philip Hammond revealed that low levels of radioactivity were found in the test reactor’s cooling waters two years ago.

He said no leak had occurred and there were no safety implications.

Scottish Veterans Minister Keith Brown said it was unacceptable the Scottish government had not been told until now.

As a result of the radioactive discovery at the Vulcan Naval Reactor Test Establishment at Dounreay, the nuclear submarine HMS Vanguard is to be refuelled with a new nuclear core at a cost of £120m.

The MoD has said that the Scottish Environment Protection Agency (Sepa) and the defence nuclear inspectorate had been kept informed since October 2012. The radioactive discharge had been discovered in January of the same year.

But Mr Brown said Sepa had been asked “not to make this information more widely known for security reasons”. He added:

“It is totally unacceptable that for almost two years the UK government failed to notify Scottish Ministers on such an important issue. The Ministry of Defence, who are responsible for the regulation of operations and safety at Vulcan, informed Sepa of this situation in the summer of 2012 and requested that they were not to make this information more widely known for security reasons. Sepa’s role is to highlight potential for adverse wider environmental impact and I can reassure the public that they have not identified any, but will continue to closely monitor the situation. UK Defence Minister Philip Dunne eventually notified (Scottish Environment Secretary) Richard Lochhead of the situation shortly in advance of the UK government’s parliamentary statement today. There is no excuse for UK Ministers not picking up the phone and alerting us to this situation two years ago and I have today written to Philip Hammond seeking an early meeting to ensure such disrespect is never shown again.”

READ MORE HMS Moronic, Trident & The West Coast of Scotland

‘No environmental impact’

The Scottish government has pledged to remove nuclear weapons from Scotland if the country votes for independence in September’s referendum.

Scottish Green Party co-convener Patrick Harvie said the incident was “just the latest example of Scotland being treated as an after-thought by Westminster”.

But a spokesman for Sepa said it had not believed there was any need to inform the Scottish government about the radioactive discharges as they were “well below the authorised limits set for the site, and there was no environmental impact”.

The spokesman also confirmed: “Following an increase of radioactive gases in the Vulcan reactor in 2012, the MoD requested that the issue be kept on a strict need to know basis for security reasons.”

He added: “Sepa has monitored for radioactive discharges at the Vulcan Naval Reactor since 1996 in order to assess the impact on the local environment. To date, Sepa is satisfied that discharges from the reactor have remained well below the authorised limit allowed under an agreement between the Ministry of Defence and Sepa. That limit is set at less than one millionth of the public dose limit. Currently no impact on the local environment has been observed as a result of these discharges and monitoring work will continue at the facility until it is fully decommissioned, to ensure any future emissions remain low.”

However, an MoD source has told BBC Scotland that, although Sepa had been told the issue should be kept on a “need to know basis” for security reasons, those guidelines did not extend to ministers and Sepa knew that.

The source also confirmed Sepa’s statement that the reason why ministers in the Scottish government had not been informed by the agency was because radioactive discharges were well below authorised limits and there was no environmental impact.

Speaking in the Commons earlier on Thursday, Mr Hammond said the Vulcan Naval Reactor Test Establishment at Dounreay ran at higher levels of intensity than those on Britain’s fleet of nuclear submarines and was designed to pre-empt any similar problems with the reactors on board those vessels.

‘National importance’

The defence secretary said: “These low levels of radioactivity are a normal product of a nuclear reaction that takes place within the fuel but they would not normally enter the cooling water. This water is contained within the sealed reactor circuit and I can reassure the House there has been no detectable radiation leak from that sealed circuit. Indeed, against the International Atomic Energy Agency’s measurement scale for nuclear-related events this issue is classed Level 0, described as ‘below scale – no safety significance’.”

The refuelling of HMS Vanguard will take place during its next scheduled “deep maintenance period”, due to last three and a half years from 2015.

Mr Hammond said: “This is the responsible option: replacing the core on a precautionary basis at the next opportunity, rather than waiting to see if the core needs to be replaced at a later date which would mean returning Vanguard for a period of unscheduled deep maintenance, potentially putting at risk the resilience of our ballistic missile submarine operations.”

The minister said a decision on refuelling another submarine, HMS Victorious, would not need to be taken until 2018.

New submarines for the Trident replacement programme, known as the Successor submarines, will not be affected by the problem, he added.

Labour has also criticised the UK government for not announcing the information earlier, calling it a matter of “national importance”.

Shadow defence secretary Vernon Coaker said the government should have told the Commons earlier about the fault.

He added: “There must be public confidence in the government to be open and transparent on these matters. A fault, however small, that develops in a nuclear reactor is something that the British people and this House should have been told about. This is an issue of national security and national importance.”

  1. MSPs unite in anger at Dounreay radiation ‘cover-up’ 
  2. Edinburgh accuses UK of hushing up British nuclear leak  10 Mar 2014
  3. MoD accused of Dounreay radiation leak cover-up  6 Mar 2014
  4. Governments agree after Dounreay nuclear leak  25 Jun 2014

Nuclear submarine’s nine radioactive leaks in 12 years  19 May 2009

The Ministry of Defence has admitted that nuclear submarines have leaked radioactive material into water nine times in the last 12 years.

HMS Turbulent: Nuclear submarines nine radioactive leaks in 12 years

HMS Turbulent: Radioactive water escaped from HMS Turbulent while the reactor’s discharge system was being flushed at the naval dockyard in March

Following a parliamentary answer to a question by the shadow defence minister Julian Lewis, the Royal Navy has disclosed the most recent leak happened at the submarine pen in Devonport, Plymouth.Radioactive water escaped from HMS Turbulent while the reactor’s discharge system was being flushed at the naval dockyard in March, the Navy admitted. “A small quantity of water leaked on to the submarine casing,”

an MoD spokesman said. “The leak was contained to the casing.”

The second leak that has been admitted by the MoD came when Trafalgar leaked radioactive coolant at sea on 30 January 2006.

“There was no radiation leak into the environment and no crew member was exposed to a radiation hazard,” the MoD said.

The Trident submarines are based in Faslane, Scotland, where Freedom of Information documents have shown that there were three leaks of radioactivity into the Firth of Clyde between 2004 and last year.

Three leaks have now occurred at Devonport between 2005 and March 25 this year and three other seepages at sea, bringing the total to nine since 1997.

The news comes as safety concerns grow over the Navy’s fleet of nuclear submarines after a series of accidents that have affected its fleet of T-class submarines and the Vanguard ballistic missile boats.

In one of the worst incidents in two decades the hunter-killer boat HMS Trafalgar spilt 61 gallons of toxic coolant into the River Tamar in Devonport in November last year.

Two sailors were killed in 2007 when faulty oxygen equipment exploded during a training exercise under the Arctic icepack.

In one of the most serious and embarrassing incidents, the supposedly undetectable HMS Vanguard – carrying Trident nuclear missiles – was accidentally rammed in February by the French submarine Le Triomphant while it patrolled in the Atlantic.

John Ainslie, of the Scottish Campaign for Nuclear Disarmament, said: “The discovery of so many leaks in so many places over recent years suggests that there is a real problem with the safety culture across the whole nuclear navy.”

Radioactive waste leaks from nuclear submarine base  11 Sep 2010

Radiation leak on nuclear sub off Scots coastSun Feb 17 2013

BRITAIN’S nuclear fleet suffered a dangerous setback after a submarine was docked for emergency repairs following a radiation leak off Scotland.

The incident has reduced the hunter killer fleet to five subs instead of the recommended sevenThe incident has reduced the hunter-killer fleet to five subs instead of the recommended seven
HMS Tireless was taking part in a training exercise for new officers off the west coast 10 days ago when a problem developed in its ageing 30-year-old reactor system.The 4,800 tonne Trafalgar-class submarine was ordered to limp back to Faslane naval base on the Clyde, where engineers inspected the leak. She has now returned to her home base at Devonport and faces up to 10 months in dry dock while repair work is carried out.The incident has reduced the hunter-killer fleet to five subs instead of the recommended seven plus a spare needed to carry out vital duties, including protecting the UK’s Trident missile-carrying Vanguard subs.


Of those five, HMS Astute, Britain’s brand new £1.2billion attack sub which ran aground off Skye in 2010, is still not fully operational, and at least one other is undergoing maintenance.The leak will also fuel the heated political debate about nuclear submarines operating in Scottish waters. Alex Salmond has offered a cast-iron guarantee that he will expel Trident from the Clyde – where it supports up to 11,000 jobs – if Scots go for independence.Last night, Angus Robertson MP, the SNP’s Westminster leader and defence spokesman, called on the Ministry of Defence to clarify exactly what had happened. He said: “This is the latest in a long line of alarming incidents involving nuclear submarines off the coast of Scotland.“We need assurances from the MoD about the particular circumstances of this one, and we need to know that all necessary safety procedures were enacted fully and there was no danger to public safety.”Royal Navy officials were unable to say exactly where the sub was when the leak developed, but sources confirmed it was in Scottish waters.

  1. [PDF]    UK Strategy for Radioactive Discharges – Gov.UK
  2. [PDF]   LC34: Leakage and escape of radioactive material
  3. [PDF]    Environmental Report –  Scottish Government

In summary, the policy:


 the storage or disposal of the Waste in facilities constructed: o on the surface or; o near to the surface to depths of several tens of meters.

 The storage or disposal of the Waste in facilities located: o on existing nuclear sites or; o near existing nuclear sites; and

 the treatment of the Waste including sending it elsewhere for treatment, subject to any requirements by the relevant regulators in the UK and overseas for the return of the Waste.


 arrangements, including replacement or refurbishment of storage facilities, for safe and secure storage for at least 100 years, with the capability of extension beyond 100 years if necessary;

 disposal facilities to meet the requirements set by the appropriate regulators, including consideration of a period of 300 years for institutional control;

 storage and disposal facilities to be subject to monitoring as required by regulators;

 the Waste to be retrievable based on regulatory requirements;

 the location of facilities to be determined by application of the Proximity Principle;

 the need to transport the Waste over long distances is minimal; and

 the development of a Strategy to implement the Policy.


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  1. Dalgety Bay   10 Jul 2014
  2. Dalgety Bay radioactive plan agreed by MoD – BBC News  11 Jul 2014
  3. MoD will clean up radiation at Dalgety Bay beach 
  4. Assurance MoD will be taken to task over Dalgety Bay 5 Feb 2015
  5. Radiation found for first time in Dalgety Bay mussel beds19 Nov 2015




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