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South Africa, Spain, Sweden, Switzerland

Nuclear Monitor Issue: 
#746, 747, 748
Waste special

South Africa

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The 2008 National Radioactive Waste Disposal Institute Act provides for the establishment of a National Radioactive Waste Disposal Institute which will manage radioactive waste disposal in South Africa. The responsibility for nuclear waste disposal has been discharged by the Nuclear Energy Corporation (Necsa) until now.  Necsa has been operating the national repository for low- and intermediate-level wastes at Vaalputs in the Northern Cape province. This was commissioned in 1986 for wastes from Koeberg and is financed by fees paid by Eskom. Some low- and intermediate-level waste from hospitals, industry and Necsa itself is disposed of at Necsa's Pelindaba site.(*01)

Koeberg spent fuel is currently stored in pools as well as in casks. The site has enough storage capacity for the spent fuel that will be generated during the current operational lifetime of Koeberg.

Pending the outcome of current investigations into possible reprocessing of spent fuel, it is not classified as radioactive waste. Rather than been in its final form for disposal used fuel is. Interim storage takes place on site, awaiting investigations into the best long term option for the management of spent fuel.(*02) If chosen as a preferred option in South Africa, geological disposal of radioactive waste shall take place with an option for retrieving the waste.(*03)

Plans by Eskom to seek contracts for reprocessing surfaced in August 2009. The stae owned utility and operator of Koeberg said the resulting MOX-fuel could be sold to other countries rather than used at home. It turned out to be a plan to try to finance new build.(*04) Not surprisingly it was never heard of again.

According to Nesca CEO Rob Adams South Africa would need a fully operational high-level waste management site by 2070 to deal with spent fuel. The negotiations with the National Nuclear Regulator to identify a high-level waste disposal site would likely start before 2015. Three possible disposal sites would have to be identified, and three individual environmental impact assessment studies would have to be conducted. Necsa would then argue the case of the most suitable site. Vaalputs will most likely be one of them.(*05)


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Low- and intermediate level wastes is stored at ENRESA's storage facility at El Cabril, Cordoba. Spent fuel is stored at the reactor sites awaiting a centralized interim storage and geological disposal A final geological disposal facility is not expected before 2050, at the earliest. No reprocessing of spent fuel takes place, but in the past spent fuel of Vandellos-1 reactor has been reprocessed.

Low-level Waste
In the 1950s, the El Cabril uranium mine was shut down and started to be used for storing low and intermediate level waste. In 1986 ENRESA took responsibility for El Cabril and moved the waste from the mines to new built buildings on the same site.(*01) It is planned to receive waste until 2015.(02) The state-owned radioactive Waste management organization ENRESA, created in 1984, is responsible for managing radioactive waste and decommissioning of nuclear plants.(*03)

High-level waste and spent fuel
ENRESA is since 1987 developing a disposal program aimed at providing a final solution for the spent fuel and high level waste. The program comprised of three areas: identification of suitable sites, conceptual design and performance assessment of a geological repository and research and development.(*04) At that time a repository was expected to be realized by 2020. By end-1990, some 25,000 km2 of possible regions were found. Finally, some 30 areas were identified for further research.(*05)

Although ENRESA had identified favorable areas for further underground research, work was halted in 1996 due to public opposition; or in the words of ENRESA: "the reaction of the public advised to discontinue any field work in 1996."(*06) In 1995, it had become known among environmental groups that ENRESA had plans for the construction of underground disposal laboraties and a list of possible locations was released. The groups accused ENRESA of not having informed the public and of having inspected possible sites. Large demonstrations were organized which culminated in a demonstration of 20,000 people in 1998 at Torrecampo.(*07)  At the end of 1996, the Senate Commission for Industry established an inquiry commission to develop a new waste policy. It had to study the difficulties in finding a site for waste disposal and should include socio-political and public acceptance aspects. The  commission’s work was expected to result in guidelines for the government to develop a legal framework for siting. The commission received contributions from groups and institutions and visited other countries for comparison.(*08)

In 1999 the 5th Radioactive Waste Plan was adopted with a new policy: construction of a centralized interim HLW storage by 2010 for reprocessing waste as well as spent fuel; and no decisions about final disposal before the year 2010.(*09)

In mid 2006 Parliament approved ENRESA's plans to develop an interim centralized high-level  waste and spent fuel storage facility by 2010, and the Nuclear Safety Council CSN approved its design, which was similar to the Habog facility near the Borssele power plant in the Netherlands. In December 2009 the government called for municipalities to volunteer to host this €700 million Almacen Temporal Centralizado (ATC) facility. The government offered to pay up to €7.8 million annually once the facility is operational. It is designed to hold for 100 years 6700 metric tons of used fuel and 2600 m3 of medium-level wastes, plus 12 m3 of high-level waste from reprocessing the Vandellos-1 fuel. The facility is to be built in three stages, each taking five years.  Fourteen towns volunteered, attracted by the prospect of a €700 million investment over 20 years and the annual direct payments, plus many jobs, but only eight were formally accepted.(*10)

In September 2011 the Ministry for Industry announced its selection and rankings: Zarra (Valencia) 736 points; Asco (Tarragona) 732 points; Yebra (Guadalajara) 714 points; Villar de Canas (Cuenca) 692 points. In December 2011 the Ministry announced that Villar de Canas had been selected, though only a 60-year storage period was mentioned. Pending construction, low- and medium-level wastes continues to be sent to ENRESA's storage facility at El Cabril, Cordoba, which has operated since 1961. Used fuel remains at individual power plants.(*11)

For Jose Maria Saiz, the mayor of Villar de Canas, the financial compensation and the promise of 300 jobs were compelling arguments to get the storage to his place. That doesn’t alter the fact that environmental groups and trade unions are against the storage.(*12)  And in March 2012 it turned out that promised regional jobs were not materializing and little is left of the initial optimism.(*13)

The General Plan on Radioactive Waste suggests that the operation of a deep repository in Spain would probably start in 2050. Therefore, the period between 2025 and 2040 would be focused on decision-making process and site characterisations, whereas from 2040 to 2050 construction would take place. A programme of activities between 2006 and 2025 to meet the objective of having a repository by 2050 is lacking (Fundación para Estudios sobre la Energía, 2007).

The high level of priority given to the interim storage facility has delayed the interest and the research efforts in deep geological disposal. Furthermore, the construction of the centralised storage facility allows decisions on final management to be postponed.(*14)


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Since the mid-1970s spent nuclear fuel is to be disposed of in a geologic repository. Early plans for reprocessing the spent fuel were abandoned already in the early 1980’s. In the 1970's Svensk Kärnbränslehantering AB (Swedish Nuclear Fuel and Waste Management Company), SKB, was established to manage the waste (*01 Sweden once dumped low-level waste in the Atlantic Ocean (in 1969) and twice (1959 and 1961) in the Baltic Sea.(*02)

The country wants to dispose its nuclear waste, packed in copper to ensure long-term safety, in granite from 2023/25 on. But problems with copper and geological stability have been published widely. Awaiting final disposal spent fuel is stored in an interim facility in Oskarshamn, called Clab. Low and intermediate-level waste is currently stored in a final repository 50 meters deep in the crystalline basement near the nuclear power plant in Forsmark.(*03)

Long-lasting search
In Sweden, the Parliament decided to a Nuclear Power Act in 1977, which asked for an “absolutely safe solution” for final disposal of nuclear waste and makes the nuclear industry responsible for the management of the waste. The Swedish government started a procedure, called scientific mediation, to clarify the scientific differences. This was followed by discussions with the public, aimed at participation in the decision-making.(*04)

Research to find a final disposal site has taken place for since 1977. Eleven sites were examined, with extensive work undertaken at 7. Test-drillings was planned in 5, but only two of these allowed SKB to carry out even an initial feasibility study: Storuman and Malaa. Several possible locations for the final disposal have been dropped out after referendums, such as Storuman, Malaa(*05) and Gaellivare.(*06) It was obvious by then that the best chance for a repository would be in a municipality that has a nuclear power plant: Forsmark and Oskarshamn, or at the Studsvik research reactor.(*07) The idea is that in these locations such an initiative will most likely gain sufficient support, and SKB limited themselves to the choice of  a site with nuclear power activities. (*Sw08) Municipalities can present themselves voluntarily as a host location, but can also withdraw in a later stage. Although there is a law enabling the government under very specific conditions to overrule such a veto, but this provisions seems very hard to use for any government: this will not happen in practice.(*09)

In 1998, SKB director Peter Nygaards stated that the Swedish government should be prepared to offer financial incentives to a community willing to host the repository. He compared this with the money the government pays to local communities to take in refugees. Similarly, any disposal of nuclear waste must also be reimbursed. Nygaards also said he don’t want to fix the moment of permanently sealing a repository. If the repository is full one should consider if closing is not a better option so that "future generations can open it if they need to?" Nygaards said: "It is not wise to make a decision today for 100,000 years from now".(*10)
 Besides the locations with nuclear power plants, only Tierp volunteered to be a host community for the repository. (*11)

 In November 2001 the government approved research in Tierp, Forsmark and Oskarshamn,(*12) but in April 2002, the city council of Tierp decided to withdraw.(*13)  In June 2009 SKB selected Forsmark.(*14) The repository is proposed to be sited adjacent to the Forsmark nuclear power plant on the Baltic Sea coast. On 16 March 2011, SKB applied for a permit.(*15) It plans to begin site works in 2013, with full construction starting in 2015, and operation after 2020.(*16)

Criticism on safety
The KBS method was developed in the 1970s. The basis is a geologic repository at about 500 meter depth in granite bed-rock and the long-term safety is to be guaranteed by artificial barriers – copper canisters surrounded by a bentonite clay buffer.(*17)

There is severe criticism on the disposal method. The nuclear waste is disposed of at 500 meters depth in granite. According to SKB, this is a stable geological formation. But paleo-geophysicist Nils-Axel Mörner states that the stability is not true. Since the end of the last Ice Age the ground went upwards with a rate of one millimeter per day, there were 58 serious earthquakes and 16 tsunamis. As a consequence of these and other factors Mörner finds the repository unstable and not safe.(*18)
In November 2009 another problem arose: the use of copper. The nuclear waste is encased in a copper layer of five centimeters, which has to remain intact for 100,000 years.

Copper corrodes in environments where oxygen is present. The process is easy to observe on copper roof materials that turn green from oxidation. When the industry’s KBS-method was developed in the 1970’s the understanding was that copper does not corrode at all in an anoxic (oxygen-free) environment in the bedrock. During the 1980's a researcher from the Royal Institute of Technology (KTH) in Stockholm, Gunnar Hultquist, presented new findings that showed that copper could corrode in environments without oxygen, as long as there is water present. The new findings were denied by SKB and ignored by the authorities. During the autumn of 2007 Gunnar Hultquist and a colleague Peter Szakálos presented the findings again, this time with more experimental results.(*19) This is noticed by investigation of copper artifacts from the Swedish warship Vasa, which sunk in 1628: the copper had become much thinner than expected.(*20) Copper corrosion has caused a discussion about the KBS method in Sweden as the findings threaten basic assumptions underlying the long-term safety of the KBS method.

A geologic repository in Swedish bedrock at a depth of 500 m has groundwater flowing through the repository, says Dr. Johan Swahn, Director of the Swedish NGO Office for Nuclear Waste Review (MKG) at a hearing on the management of nuclear waste at the European Parliament’s Committee on Industry, Research and Energy.(*21) A repository using the KBS method therefore has to rely on manmade barriers (clay and copper) to isolate the nuclear waste from the environment. The chemical and biological environment will in the long term threaten the artificial barriers of copper and clay in ways that are difficult to foresee. The relatively dry rock (for the KBS method) chosen by SKB in Forsmark puts stress on the clay barrier and opens up for new questions on copper corrosion processes. In Sweden there will be one or more Ice Ages during the next 100,000 years and glaciation will lead to variations in the chemical and biological environment that will affect the man-made barriers.

The safety case for Swedish KBS method is severely questioned and licensing is uncertain. The problems for the KBS method has opened up for questioning whether disposal methods relying on artificial engineered barriers should be implemented at all. The Swedish and Finnish repository programs for spent nuclear are entirely interdependent. If the Swedish program fails, so does automatically the Finnish.(*22)

In short, also in Sweden, nuclear waste disposal is not a fait accompli.

The Swedish Radiation Safety Authority (SSM) has recommended a tripling of the fee paid by the country's nuclear power industry towards paying for management of the country's nuclear waste. Basing its assessment on information gathered from the relevant organizations - including cost estimates from SKB - SSM has recommended to the government that the fee should be set at 3 öre per kWh of nuclear electricity produced. The current level is 1 öre per kWh. (1 öre is worth approximately US$0.002)  According to SSM, much of the increase is down to new estimates from SKB indicating that the remaining costs of the country's planned final repository for used nuclear fuel have grown by about SEK 18 billion (US$2.7 billion) from previous estimates made in 2008. SSM also says it believes that SKB has underestimated future costs, and it has adjusted the proposed fee increase to reflect this.(*23)


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In 1969, the first Swiss nuclear power plant, Beznau 1, entered service. As of 1 March 2012 this plant is the oldest nuclear plant in the world.(*01) A geological final repository for high level waste will not be available before 2040, at the earliest: 70 years after the first reactor began operation. Switzerland dumped low- and intermediate level radioactive waste in sea 12 times from 1969-1982.(*i02) It transported the waste by train to the Netherlands, from where it was dumped in the Atlantic Ocean together with the Dutch radioactive waste.(*i03) Spent fuel is temporary stored at the Zwilag central storage facility.

In December 1972, the Nationale Genossenschaft fuer die Lagerung radioaktiver Abfaelle (Swiss organization responsible for the storage of nuclear waste) was created: Nagra:(*04) The operators of the nuclear power plants are 95% owned by Nagra, the government has a share of 5%.(*05) Nagra immediately began investigating the storage of low, intermediate and high-level radioactive waste. This resulted in the project "Gewähr" of 1985. In June 1988 the government decided to take the first steps for low and intermediate radioactive waste, but for high-level waste further research was needed. This was because siting feasibility, i.e. the demonstration that a suitable rock body of sufficient extent could be found at an actual site in Switzerland, had not been demonstrated.(*06)

Low and medium radioactive waste: Wellenberg drops out
In 1993, from a 1978 list of originally 100 sites, Nagra chose Wellenberg (in the canton of Nidwalden). Nagra found Wellenberg suitable for safety reasons, but also because there would be
sufficient storage available.(*07) In the Wellenberg-debate critics of the repository project articulated new concepts: the disposal should be retrievable and verifiable. The Nagra, however, did not agree with that and the debate culminated in a June 1995 referendum. A majority of the Nidwalden population voted against the storage. Given the distribution of powers in Switzerland, storage at Wellenberg was off.(*08) The Nagra then examined how the people of Nidwalden would have voted if the requirement of retrievability and monitoring would have been granted. It turned out that 60.8 percent would have voted 'yes'.(*09)

But Nagra wanted to hold on to Wellenberg and the government agreed to this. In 1998 the Department of Energy repeated that Wellenberg is suitable for retrievable and verifiable disposal of low and intermediate level waste.(*10) So another referendum was organized and on 22 September 2002, a majority (57.5%, turnout was 71%) of the population voted again against the disposal at WellenbergThe government reacted by saying that with this result disposal plans were canceled. This was a hard blow to the nuclear industry, which has spent 80 million francs (€55 million) for research and to propitiate the population.(*11)  But it turned out that Wellenberg was not off the table for ever.

Spent fuel policy
From July 2006 on , there is a 10-year moratorium on the export of spent fuel for reprocessing. Before the moratorium, utilities were free to choose between reprocessing and direct disposal of the spent fuel. The reprocessing took place abroad (France and UK). Dry storage buildings at the Beznau nuclear power plant and at the Zwilag central storage facility have been built for the interim storage of spent fuel and of radioactive waste returned from reprocessing abroad. In addition, a building for the wet storage of spent fuel at the Gösgen nuclear power plant was commissioned in 2008.(*12)

2008: new plan for high-level radioactive waste
On 6 November 2008, the Nagra came with a new waste disposal roadmap: 'Zeit zum handeln'.(*13) Surprisingly, Wellenberg was candidate again for storage of low and intermediate level. In February 2011, for the third time, the population Nidwalden voted against (74.5%) the storage.(*14) But unlike earlier, the district no longer has a right to veto: the government has abolished that in 2002.(*15) Therefore, Wellenberg remains on the list.

In the new roadmap, as a first step, there three regions were chosen: Zürcher Weinland, Nörlich Lägeren and Bözberg. These are three regions in northern Switzerland, where a certain kind of clay (opalinus clay) is found. From 2011 on, regional conferences (attended by 100-200 people) should be held several times per year.(*16) The costs, for each region 1.5 million francs (€1 million) is made available, of which 80% is paid by the Nagra.(*17) Somewhere between 2014 - 2016 two locations in each region should be selected and before 2020 a referendum can take place. After that one site will be chosen for the geological repository. After the repository is constructed and the procedures are completed, the storage can start in 2030 for low- and intermediate-level waste and for high-level waste in 2040 at the earliest. (*18)

The plans raised much protest, as extensively described in the May 2010 issue of Energie und Umwelt (Energy and Environment) of the Swiss Energy Foundation (SES).(*19) In all regions, groups work together to prevent that the nuclear waste goes to the site with the least resistance. Although the government announced it wants to give action groups financial support to make their own studies, this was not settled in May 2010. And while the Nagra asserts that a repository has regional benefits, a study of the canton of Schaffhausen shows the contrary: great regional economic damage is expected. Therefore, SES calls the participation a form of sham democracy.

The government, however, continued the plans and on 1 December, 2011, decided that those sites may remain appropriate on 1 December 2011.(*20) The next four years, further investigation will take place at all sites, and interested parties can participate in regional conferences. After those four years, so in 2016, one site is selected and an application process for a license will start. In 2040, Nagra expects, the actual disposal can start. The Swiss Energy Foundation (SES) together with local groups are protesting the continuation of the process. According to these groups there are 12 unresolved questions about safe disposal of nuclear waste.(*21) These 12 questions should first be resolved before the people can be involved in the disposal. Therefore, these groups are in favor of the suspension of the government's plans.(*22) On March 6, the government, however, sees no reason to stop the procedure and announced that a repository has positive outcomes on the regional economy.(*23)


South Africa
*01- World Nuclear Association: Nuclear Power in South Africa, December 2011
*02- Nesca: South African National Report for the Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management, First National Report, October 2008, p.14
*03- Nesca, p.90
*04- Idaho Samizdat: SouthAfrica to reprocess spent nuclear fuel, 28 August 2008
*05- Engineering News: High-level nuclear waste may be disposed of at Vaalputs, 25 March 2009

*01- COWAM: Nuclear Waste Management in Spain : El Cabril and on site storage, COWAM European Concerted Action,  February 2005
*02- Damveld/Van den Berg: Discussion on nuclear waste: A Survey on Public Participation, Decision-making and Discussions in Eight Countries; Spain, January 2000, p.65
*03: ENRESA: Who we are, company website, April 2012
*04- J.L. Santiago, J. Alonso, et al: Geological disposal strategy for high level waste in Spain, in: Distec Proceedings, Conference on Disposal Technology, Hamburg, September 1998, p. 206-211
*05- P. Richardson: The Virtual Repository of Radwaste Information: Spain, July 1997 (currently pay site).
*06- J.L. Santiago, J. Alonso, et al.
*07: WISE News Communique: Spain: protests against possible radwaste storage site, Nr. 489, 3 April 1998
*08- J.L. Santiago, J. Alonso, et al.
*09- OECD/NEA: Radioactive waste management programmes in OECD/NEA Member countries: Spain, 2005, p.4-5
*10- World Nuclear News: Spain selects site for waste storage, 3 January 2012
*11- World Nuclear Association: Nuclear Power in Spain, Update April 2012
*12- Deutschlandradio: Ein spanisches Dorf jubelt, weil es Atommüll lagern darf (A spanish town rejoices, because it can store nuclear waste),  16 February 2012
*13- Ee-news: Spanien: Atommüll-Lager bringt den Fortschritt nicht (Spain: nuclear waste storage does not bring progress), 21 March 2012 
*14- Meritxell Martell Lamolla: Identifying remaining socio-technical challenges at the national level: Spain, InSOTEC Working Paper (Draft), 1 March 2012

*01- See for an extensive historical overview of the waste problem in Sweden: Miles Goldstick Nuclear waste in Sweden –The problem is not solved!, FMKK, August 1988
*02- IAEA: Inventory of radioactive waste disposals at sea, IAEA-Tecdoc-1105, August 1999
*03- SKB: Our current facilities, company website, visited April 2012
*04- Matthijs Hissemöller and Cees J.H. Midden, Technological Risk, Policy Theories and Public Perception in Connection with the Siting of Hazardous Facilities, Charles Vlek and George Cvetko­vitch (eds), Social Decision Methodology for Technological Projects, Kluwer Academic Publis­hers, 1989, p. 173-194
*05- PJ Richardson, Public Involvement in the Siting of Contenti­ous Facilities; Lessons from the radioactive waste repository siting programs in Canada and the United States, with special reference to the Swedish Repository Siting Process, Swedish Radiation Protection Institute, August 1997, p 26-27
*06- Nuclear Fuel: Another Swedish community rejects repository, 16 June 1997, p.17
*07- Nucleonics Week: Malaa voter rejection turns SKB back to plant sites for repository, 25 September 1997, p.15
*08- Marianne Löwgren: Nuclear Waste Management in Sweden: Balancing Risk Perceptions and Developing Community Consensus, in: Eric B. Herzik and Alvin H. Mushkatel, Problems and Prospects for Nuclear Waste Disposal Policy, Greenwood Press, Westport, Connecticut / London, 1993, p. 105-121
*09- Olof Söderberg: Who Makes Which Decisions When?, in Proceedings DisTec'98, Disposal Technologies and Concepts 1998, International Conference on Radioactive Waste Disposal, 9-11 September, Hamburg, pp. 633-639
*10- Nuclear Fuel: New SKB head endorses cash incentives for repository host, 9 March 1998, p. 8-9
*11- Mark Elam and Göran Sundqvist, The Swedish KBS project: a last word in nuclear fuel safety prepares to conquer the world?, In: Journal of Risk Research, Volume 12 Issue 7 & 8 2009, December 2009, p. 969–988
*12- Nuclear Fuel: Swedisch government gives SKB approval to study 3 sites for possible repository, 12 November 2001, p. 8
*13- Nuclear Fuel: Tierp town council votes against site testing for Swedish repository, 15 April 2002, p.10-11
*14: SKB: SKB selects Forsmark for the final repository for spent nuclear fuel, press release 3 June 2009
*15: SKB: SKB turns in application for permit to build a final repository in Forsmark, press release 17 March 2011
*16- World Nuclear Association: Nuclear Power in Sweden, February 2012
*17- SKB: Our method of final disposal, company website,
*18- Nils-Axel Mörner: The Shameful Nuclear Power, presentation 16 April 2008. See also: The uplift of Fennoscandia at:
*19- MKG: Copper corrosion, website MKG (Swedish NGO Office for Nuclear Waste Review)
*20- Technisch Weekblad, 21 November 2009
*21- Dr. Johan Swahn: Considerations on nuclear waste management in Sweden, presentation at the European Parliament’s Committee on Industry, Research and Energy public hearing on management of nuclear waste, 1 December 2010
*22- Johan Swahn: The Scandinavian Nuclear Waste Strategies, MKG, Expert Hearing Greens in het European Parliament, 8 juni 2010, p.10
*23- World Nuclear News: Swedish waste fees rise to reflect repository cost, 10 October 2011

*01- ee News: Beznau: Aeltestes AKW der Welt wird sichergerechnet, 29 February 2012
*02– IAEA: Inventory of radioactive waste disposals at sea, IAEA-Tecdoc-1105, August 1999, p.50
*03- Dutch Minister of Health and Environmental sanitation: Zwitsers radioactief afval in IJmuiden (Swiss radioactive waste in IJmuiden), Tweede Kamer 15 676 nr 2, 20 July 1979
*04- Nagra: Entwicklung der Nagra 1972 bis 1980 (Development of Nagra 1972-1980), company website, visited April 2012-04-09
*05- Damveld/Van den berg: Discussions on nuclear waste, Laka Foundation, 2000, p.103
*06- Nagra: Opalinus Clay Project. Demonstration of feasibility of disposal (“Entsorgungsnachweis”) for spent fuel, vitrified high-level waste and long-lived intermediate-level waste, December 2002, p.7
*07- M. Fritschi: Standortwahl, (Site selection) in: Nagra Informiert, Nr. 24, June 1994, p.6-12
*08-Luzerner Neuste Nachrichten: Nagra scheitert am Wellenberg, (Nagra fails at Wellenberg) 26 June 1995
*09- Nagra Report: Was halten die Nidwaldner von Wellenberg? (What does population of Nidwalden think of Wellenberg?), Nr. 1/1996, p. 2-3
*10- Nucleonics Week: New Wellenberg studies confirm its safety and feasibility, 24 September 1998, p. 9-10
*11- Nagra News: Sondierstollen in Wellenberg abgelehnt –Wie geht es weiter? (Exploratory tunnels in Wellenberg rejected –How to continue?), December 2002, p.1
*12- NEA/OECD: The control of safety of radioactive waste management and decommissioning in Switzerland, 2011
*13- Nagra: Zeit zum Handeln, (Time to act), November 2008
*14- Allianz Nein zu neuen AKW: Nidwalden will keinen Atommüll – Atomstrom schon (Nidwalden does not want nuclear waste, but nuclear electricity), 14 February 2011
*15: Das Schweizer Parlament: Curia Vista, Zusammenfassung: 01.022; "MoratoriumPlus" und "Strom ohne Atom". Volksinitiativen und Kernenergiegesetz
*16- Neue Zürcher Zeitung, “Das nationale Endlager wird zur lokalen Frage; Neuartiges Partizipationsverfahren zur Atommüll-Tiefenlagerung”;   10 december 2009
*17- Tagesanzeiger, “Nagra zahlt für Endlager-Regionen”, 5 december 2010
*18- Nagra: Zeit zum Handeln, November 2008
*19- Energie & Umwelt: Das Atommuellproblem ist nicht geloest (The nuclear waste problem has not been solved), Schweizerische Energie Stiftung, 3/20, May 2010
*20- Bundesrat: Standortsuche für geologische Tiefenlager: Bundesrat legt sechs Gebiete fest und startet Etappe 2 (Search for geological disposal sites: Federal Council sets six sites and starts Stage 2), 1 December 2011
*21- Schweizerische Energie Stiftung: Die 12 ungelösten Fragen der Schweizer Atommüllentsorgung, (The 12 unanswered questions about the Swiss radioactive waste disposal), December 2011
*22- Schweizerische Energie Stiftung: Atommüll-Fragen müssen jetzt geklärt werden (Radioactive waste questions must be answered now), 9 January 2012
*23- Neue Zürcher Zeitung: Endlager-Standorte haben keine Garantie auf Entschädigung (Final disposal sites have no right for compensation),  6 March 2012