The NEA hosted an online expert roundtable discussion on 24 June 2021 on safety case projects of three different types of disposal facilities in member countries.
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1 July 2021
Summary record of the topical session on “Considerations for Updating a Safety Case” held during the 21st meeting of the IGSC held in Paris, France on 8-10 October 2019.
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15 March 2021
The Integration Group for the Safety Case (IGSC) provides advice to the Radioactive Waste Management Committee (RWMC) on major and emerging issues to facilitate the development of waste management st...
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9 June 2021
The Joint IGSC/SITEX Seminar on Regulatory Review of Safety Cases for Geological Disposal of Radioactive Waste, held in Paris, France on 21-22 February 2017, provided a forum for international organi...
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5 May 2021
The NEA Integration Group for the Safety Case (IGSC) has served as the most important and effective international platform for developing and integrating the science and engineering necessary to unde...
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21 December 2020
The main objective of the Salt Club is to make the current knowledge base on rock salt more readily available to member countries, particularly those countries with adequate rock salt deposits to hos...
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3 March 2021
The Expert Group on Operational Safety (EGOS) aims to identify, evaluate and help define international best practice in operating geological repositories for radioactive waste safely.
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4 February 2021
On the occasion of this anniversary, the NEA has published a commemorative brochure that reflects on 20 years of IGSC work and traces the evolution of the concept of the safety case overall.
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29 January 2021
The Crystalline Club (CRC) is composed of technical experts with experience in evaluating or reviewing the understanding of crystalline rock as host rocks for deep geologic disposal projects. CRC mem...
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21 December 2020
In the deep disposal of radioactive waste, the presence of several barriers serving complementary safety functions enhances confidence that the waste will be isolated and contained to protect human h...
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16 February 2007
The Clay Club promotes the exchange of information, shared approaches and methods to develop and document an understanding of clay media as a host rock for a repository.
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17 December 2020
À toutes les phases du cycle du combustible nucléaire, mais aussi lorsque l’on utilise des substances radioactives dans l’industrie, la recherche et en médecine, on produit des déchets radioactifs. L...
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24 September 2010
GEOTRAP is the OECD/NEA Project on Radionuclide Migration in Geologic, Heterogeneous Media carried out in the context of site evaluation and safety assessment of deep repository systems for long-live...
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13 February 2001
In underground repositories for radioactive waste, significant quantities of gases may be generated as a result of several processes. The potential impact of gas generation, accumulation and migratio...
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20 April 2001
GEOTRAP is the OECD/NEA Project on Radionuclide Migration in Geologic, Heterogeneous Media carried out in the context of site evaluation and safety assessment of deep repository systems for long-live...
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14 February 2002
A joint NEA-EC workshop entitled “Engineered Barrier Systems (EBS) in the Context of the Entire Safety Case” was organised in Oxford on 25-27 September 2002 and hosted by United Kingdom Nirex Limited...
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3 July 2003
When preparing the safety case for a deep geological repository of radioactive waste, the integration of wide-ranging information from multidisciplinary sources is a complex task. This has provided t...
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1 June 2004
Le dépôt des déchets radioactifs à vie longue dans des formations géologiques profondes fait l’objet d’études approfondies dans le monde entier dans le but de protéger l’homme et l’environnement, auj...
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19 July 2004
A workshop entitled “The Handling of Timescales in Assessing Post-closure Safety” of deep geological repositories for radioactive waste was organised by the NEA in April 2002. This report presents th...
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10 February 2004
L’AEN a organisé en avril 2002 un atelier sur la “Gestion des échelles de temps dans le cadre de l’évaluation de sûreté en phase post-fermeture” de stockages de déchets radioactifs en formation géolo...
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1 March 2004
The OECD Nuclear Energy Agency (NEA) organised a workshop on the “Management of Uncertainty in Safety Cases and the Role of Risk” in Stockholm, Sweden, on 2-4 February 2004. The workshop’s main objec...
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25 February 2005
Le problème clé dans le démantèlement des installations nucléaires est l’élimination progressive des risques, au moyen d’une série d’actions de décontamination et de déconstruction qui doivent être r...
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30 December 2005
All national radioactive waste management authorities recognise today that a robust safety case is essential in developing disposal facilities for radioactive waste. To improve the robustness of the ...
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17 August 2017
For the past several decades, the Nuclear Energy Agency Salt Club has been supporting and overseeing the characterisation of rock salt as a potential host rock for deep geological repositories. This ...
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22 May 2018
This report is aimed at safety assessors of deep geological repositories and at technical specialists concerned with radioactive waste disposal. It is intended to improve communication among interest...
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6 January 2000
A workshop entitled the “Handling of timescales in assessing post-closure safety” of deep geological repositories for radioactive waste was organised in Paris on 16-18 April 2002 and hosted by the Fr...
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22 November 2002
The analysis of the long-term safety of radioactive waste disposal systems requires the use of mathematical models and scenarios that simulate repository behavior in response to future events. This r...
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2 January 1992
A key challenge in the development of safety cases for the deep geological disposal of radioactive waste is handling the long time frame over which the radioactive waste remains hazardous. The intrin...
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13 March 2009
Safety assessment is an interdisciplinary approach that focuses on the scientific understanding and performance assessment of safety functions as well as the hazards associated with a geological disp...
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18 September 2012
A “safety case” is the synthesis of evidence, analyses and arguments that quantify and substantiate a claim that a geological repository for radioactive waste will be safe after closure and beyond th...
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5 May 2009
Un « dossier de sûreté » est la synthèse des preuves, analyses et arguments qui permettent de quantifier et de justifier que le dépôt de déchets radioactifs en formation géologique restera sûr après ...
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5 May 2009
The OECD Nuclear Energy Agency (NEA) hosted an international symposium on “Safety Cases for the Deep Disposal of Radioactive Waste: Where Do We Stand?” in January 2007. The NEA has spearheaded import...
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12 April 2007
The presence of several barriers serving complementary safety functions enhances confidence that radioactive waste placed in deep geological repositories will be adequately isolated and contained to ...
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12 April 2007
The Integration Group for the Safety Case (IGSC) of the Nuclear Energy Agency (NEA) is co-sponsoring a project with the European Commission to develop a greater understanding of how to achieve the ne...
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16 November 2004
Integration Group for the Safety Case (IGSC) flyer.
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24 September 2020
This brochure describes the IGSC’s mission, membership and operation, current issues and work programme, and publications.
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1 September 2009
NEA/RWM/IGSC(2015)1/REV1
In the post-closure phase of a deep geological repository for radioactive waste, significant quantities of gases may be generated from various sources. The most important gas generating process is an...
Published date:
11 March 2015
NEA/RWM/R(2013)9
This document describes the proceedings of an IGSC International Symposium held at the OECD Conference Centre, Paris France on 7-9 October 2013. The purpose of this symposium was to assess the practi...
Published date:
19 February 2014
NEA/RWM/R(2019)1
Version 3.0 of the International Features, Events and Processes (IFEP) List for the Deep Geological Disposal of Radioactive Waste. This is a comprehensive and structured list of generic FEPs, relevan...
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18 February 2019
Summary record extracted from NEA/RWM/IGSC(2016)10/PROV concerning the topical session on the demonstration of repository technology.
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12 October 2016
Summary record extracted from NEA/RWM/IGSC(2015)9/FINAL concerning the topical session on the role of geo-scientific arguments in the siting process.
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7 October 2015
Summary record extracted from NEA/RWM/IGSC(2014)5/PROV concerning the topical session on handling extreme geological events in safety cases during the post-closure phase.
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8 October 2014
Summary record extracted from NEA/RWM/IGSC(2011)2 concerning the topical session on gas migration.
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19 October 2011
Summary record extracted from NEA/RWM/IGSC(2008)1 concerning the proposed programme of work for the IGSC.
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25 October 2007
Summary record extracted from NEA/RWM/IGSC(2009)7 concerning the topical session devoted to organisational issues.
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22 October 2009
Summary record extracted from NEA/RWM/IGSC(2010)8 concerning the topical session on optimisation.
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20 October 2010
Summary record extracted from NEA/RWM/IGSC(2009)2/REV concerning balancing operational and long-term safety considerations.
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29 October 2008
Summary record extracted from NEA/RWM/IGSC(2006)5 concerning recent progress and new methods of handling FEPs in the safety case.
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26 October 2006
Integration Group for the Safety Case (IGSC) brochure on the long-term safety case for geological disposal of radioactive waste.
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1 February 2014
The long-term safety of deep disposal of radioactive waste will be strongly dependent on the performance of the geological setting. The geology fulfils important safety functions including isolating ...
Published date:
22 June 2007
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