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    Activity
    Integration Group for the Safety Case (IGSC)

    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...

    Safety regulation in radioactive waste management Safety provisions of radioactive waste management Deep geological repository (DGR) Optimisation of radioactive waste management IDKM of radioactive waste management Radioactive waste management Disposal IGSC Geological disposal Safety case Societal aspects of radioactive waste management …
    Published date: 17 March 2022
    Event
    Digital Safety Case Methods and Development
    25 - 26 October 2022
    Venue: NH Hotel Berlin Mitte, Leipziger Str. 106-111, 10117, Berlin, Germany

    Radioactive waste is produced in all phases of the nuclear fuel cycle and from the use of radioactive materials in industrial, medical, defence and research applications. Disposal in engineered repos...

    WP-IDKM EGSSC Information, data and knowledge management RWMC Safety case Nuclear knowledge management …
    Published date: 24 May 2022
    News
    Building confidence in waste repositories: the role of the safety case

    On 17-18 May, experts in radioactive waste management, local stakeholders and non-technical actors convened in Bern, Switzerland, for the IGSC and FSC workshop on the safety case.

    News brief Human aspects of nuclear safety Deep geological repository (DGR) Radioactive waste management IGSC Safety culture Repository Public communication FSC Safety case …
    Published date: 23 May 2022
    Event
    NEA RWMC Workshop on Developing Safety Cases for Various Radioactive Waste Disposal Facilities: Needs and Challenges of RWMC Organisations
    20 - 22 July 2022
    Sheraton Bucharest Hotel, Bucharest, Romania

    This workshop is organised by the NEA Radioactive Waste Management Committee (RWMC) and hosted by the Nuclear and Radioactive Waste Agency (ANDR), Romania.

    At the back end of the nuclear fuel cycle, ...

    Radioactive waste management RWMC IGSC Safety case
    Published date: 10 May 2022
    NEA Document
    Repository Library - A Report of the Radioactive Waste Repository Metadata Management (RepMet) Initiative
    NEA/RWM/R(2019)4

    This document is the fourth of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and r...

    English IDKM of radioactive waste management Metadata RepMet Radioactive waste management Information, data and knowledge management IGSC Repository Radioactive waste Safety case …
    Published date: 1 March 2022
    NEA Document
    Site Characterisation Library - A Report of the Radioactive Waste Repository Metadata Management (RepMet) Initiative
    NEA/RWM/R(2019)2

    This document is the second of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and r...

    English IDKM of radioactive waste management Metadata RepMet Radioactive waste management Information, data and knowledge management IGSC Repository Radioactive waste Safety case …
    Published date: 1 March 2022
    NEA Document
    Waste Package Library - A Report of the Radioactive Waste Repository Metadata Management (RepMet) Initiative
    NEA/RWM/R(2019)3

    This document is the third of the five interrelated reports of the Radioactive Waste Repository Metadata Management (RepMet) Initiative. The series of reports discusses the key aspects of data and re...

    English IDKM of radioactive waste management Metadata RepMet Radioactive waste management Information, data and knowledge management IGSC Repository Radioactive waste Safety case …
    Published date: 1 March 2022
    News
    Developing safety cases for various radioactive waste disposal facilities

    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.

    News brief Radioactive waste management Deep geological repository (DGR) Disposal IGSC Geological disposal Safety case …
    Published date: 1 July 2021
    News
    NEA’s Integration Group for the Safety Case (IGSC) turns twenty

    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.

    News brief Radioactive waste management Deep geological repository (DGR) Radioactive waste management IGSC Safety case …
    Published date: 29 January 2021
    Activity
    Expert Group on Geological Repositories in Crystalline Rock Formations (Crystalline Club)

    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...

    Radioactive waste management Deep geological repository (DGR) Crystalline rock Crystalline Club (CRC) Safety case …
    Published date: 16 November 2021
    Activity
    Working Group on the Characterisation, the Understanding and the Performance of Argillaceous Rocks as Repository Host Formations (Clay Club)

    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.

    Deep geological repository (DGR) IGSC Clay Club Safety case
    Published date: 16 November 2021
    Activity
    Expert Group on Repositories in Rock Salt Formations (Salt Club)

    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...

    Deep geological repository (DGR) Salt Club Safety case Rock salt
    Published date: 10 November 2021
    Other
    Summary Record of the Topical Session of the 21st Meeting of the IGSC

    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.

    Radioactive waste management IGSC Safety case
    Published date: 15 March 2021
    Other
    Summary of the Joint IGSC/SITEX Seminar on Regulatory Review of Safety Cases for Geological Disposal of Radioactive Waste

    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...

    RF IGSC FSC Geological disposal Safety case …
    Published date: 5 May 2021
    Other
    Two decades of Safety Case Development: An IGSC 20th Anniversary Brochure

    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...

    English Safety provisions of radioactive waste management Operational safety Performance assessments Radioactive waste management IGSC Safety assessment Geological disposal Safety case …
    Published date: 21 December 2020
    Activity
    Expert Group on Operational Safety (EGOS)

    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.

    Deep geological repository (DGR) EGOS IGSC Safety case
    Published date: 4 February 2021
    Publications and Reports
    Engineered Barrier Systems (EBS) in the Safety Case: The Role of Modelling

    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...

    English Modelling and simulation Engineered barrier system (EBS) Deep geological repository (DGR) Geochemical modelling Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
    Published date: 16 February 2007
    Publications and Reports
    Rôle des informations géoscientifiques dans le dossier de sûreté pour la gestion des déchets radioactifs

    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...

    French Radioactive waste management IGSC Safety assessment Repository Safety case PAAG GEOTRAP SEDE Geological disposal AMIGO Geosphere …
    Published date: 24 September 2010
    Publications and Reports
    Confidence in Models of Radionuclide Transport for Site-specific Assessment

    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...

    English Deep geological repository (DGR) Model Performance assessments Radionuclide migration Radioactive waste management Safety assessment Proceedings Safety case GEOTRAP Geological disposal Geosphere …
    Published date: 13 February 2001
    Publications and Reports
    Gas Generation and Migration in Radioactive Waste Disposal: Safety-relevant Issues

    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...

    English Deep geological repository (DGR) Radioactive waste management Safety assessment Geological disposal Proceedings Safety case …
    Published date: 20 April 2001
    Publications and Reports
    Radionuclide Retention in Geologic Media

    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...

    English Deep geological repository (DGR) GEOTRAP Radioactive waste management Safety assessment Geological disposal Proceedings Safety case Geosphere …
    Published date: 14 February 2002
    Publications and Reports
    Engineered Barrier Systems (EBS) in the Context of the Entire Safety Case

    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...

    English Engineered barrier system (EBS) Deep geological repository (DGR) Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
    Published date: 3 July 2003
    Publications and Reports
    Geological Disposal: Building Confidence Using Multiple Lines of Evidence

    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...

    English Deep geological repository (DGR) Radioactive waste management Safety assessment Geological disposal AMIGO Proceedings Safety case Geosphere …
    Published date: 1 June 2004
    Publications and Reports
    Dossier de sûreté post-fermeture d’un dépôt en formation géologique

    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...

    Deep geological repository (DGR) French IPAG Post-closure Radioactive waste management RWMC Safety assessment Geological disposal Safety case …
    Published date: 19 July 2004
    Publications and Reports
    The Handling of Timescales in Assessing Post-closure Safety

    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...

    English Deep geological repository (DGR) Timescales Initiative Post-closure Radioactive waste management IGSC Safety assessment Geological disposal Safety case …
    Published date: 10 February 2004
    Publications and Reports
    Gestion des échelles de temps dans l’évaluation de la sûreté en phase post-fermeture

    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...

    Deep geological repository (DGR) Timescales Initiative French Post-closure Radioactive waste management IGSC Safety assessment Geological disposal Safety case …
    Published date: 1 March 2004
    Publications and Reports
    Management of Uncertainty in Safety Cases and the Role of Risk

    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...

    English Deep geological repository (DGR) IPAG Uncertainty management Post-closure Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
    Published date: 25 February 2005
    Publications and Reports
    Vers la réalisation d’un dossier de sûreté de démantèlement

    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...

    French Decommissioning Nuclear installations Decommissioning and legacy management Safety case WPDD …
    Published date: 30 December 2005
    Publications and Reports
    Sourcebook of International Activities Related to the Development of Safety Cases for Deep Geological Repositories

    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 ...

    English Deep geological repository (DGR) Radioactive waste management IGSC Sourcebook Safety case …
    Published date: 17 August 2017
    Publications and Reports
    Microbial Influence on the Performance of Subsurface, Salt-Based Radioactive Waste Repositories

    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 ...

    English Deep geological repository (DGR) Salt Club Radioactive waste management Radioactive waste Safety case …
    Published date: 22 May 2018
    Publications and Reports
    Confidence in the Long-term Safety of Deep Geological Repositories

    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...

    English Deep geological repository (DGR) Radioactive waste management RWMC Safety assessment Geological disposal Safety case …
    Published date: 6 January 2000
    Publications and Reports
    The Handling of Timescales in Assessing Post-closure Safety of Deep Geological Disposal

    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...

    English Deep geological repository (DGR) Post-closure Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
    Published date: 22 November 2002
    Publications and Reports
    Safety Assessment of Radioactive Waste Repositories: Systematic Approaches to Scenario Development

    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...

    English Safety provisions of radioactive waste management Radioactive waste management PAAG Scenario Disposal RWMC Safety assessment Safety case …
    Published date: 2 January 1992
    Publications and Reports
    Considering Timescales in the Post-closure Safety of Geological Disposal of Radioactive Waste

    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...

    English Timescales Initiative Post-closure Regulation Radioactive waste management Safety assessment Recommendations Geological disposal Safety case …
    Published date: 13 March 2009
    Publications and Reports
    Methods for Safety Assessment of Geological Disposal Facilities for Radioactive Waste

    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...

    English MeSA Radioactive waste management IGSC Safety assessment Uncertainty analysis Geological disposal Safety case …
    Published date: 18 September 2012
    Publications and Reports
    International Experiences in Safety Cases for Geological Repositories (INTESC) + CD-ROM

    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...

    English Deep geological repository (DGR) Radioactive waste management IGSC Safety assessment Safety case INTESC Biosphere Geosphere …
    Published date: 5 May 2009
    Publications and Reports
    Expériences internationales des dossiers de sûreté pour les dépôts en formation géologique (INTESC) + CD-ROM

    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 ...

    Deep geological repository (DGR) French Radioactive waste management IGSC Safety assessment Safety case INTESC Biosphere Geosphere …
    Published date: 5 May 2009
    Publications and Reports
    Safety Cases for Deep Geological Disposal of Radioactive Waste: Where Do We Stand?

    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...

    English Deep geological repository (DGR) Regulation Radioactive waste management IGSC Geological disposal International co-operation Proceedings Safety case …
    Published date: 12 April 2007
    Publications and Reports
    Engineered Barrier Systems (EBS) in the Safety Case: Design Confirmation and Demonstration

    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 ...

    English Engineered barrier system (EBS) Deep geological repository (DGR) Experiments Underground research laboratory (URL) Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
    Published date: 12 April 2007
    Publications and Reports
    Engineered Barrier Systems (EBS) in the Context of the Entire Safety Case

    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...

    English Engineered barrier system (EBS) Deep geological repository (DGR) Radioactive waste management Safety assessment Geological disposal Proceedings Safety case …
    Published date: 16 November 2004
    Other
    IGSC Integration Group for the Safety Case

    Integration Group for the Safety Case (IGSC) flyer.

    IGSC Geological disposal Safety case
    Published date: 24 September 2020
    Other
    Integration Group for the Safety Case (IGSC)

    This brochure describes the IGSC’s mission, membership and operation, current issues and work programme, and publications.

    Radioactive waste management RWMC IGSC Safety case
    Published date: 1 September 2009
    NEA Document
    Relevance of Gases in the Post-closure Safety Case for Radioactive Waste
    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...

    English Deep geological repository (DGR) Decommissioning Post-closure RWMC Safety case …
    Published date: 11 March 2015
    NEA Document
    The Safety Case for Deep Geological Disposal of Radioactive Waste: 2013 State of the Art
    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...

    English Safety provisions of radioactive waste management Radioactive waste management Knowledge management and data preservation RWMC IGSC Proceedings Safety case Societal aspects of radioactive waste management …
    Published date: 19 February 2014
    NEA Document
    International Features, Events and Processes (IFEP) List for the Deep Geological Disposal of Radioactive Waste Version 3.0
    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...

    English Safety provisions of radioactive waste management Deep geological repository (DGR) Radioactive waste management Disposal RWMC IGSC Radioactive waste Safety case Radioactive waste management FEPs Features events and processes (FEPs) …
    Published date: 18 February 2019
    Other
    Summary Record of the Topical Session of the 18th Meeting of the IGSC

    Summary record extracted from NEA/RWM/IGSC(2016)10/PROV concerning the topical session on the demonstration of repository technology.

    Radioactive waste management Deep geological repository (DGR) IGSC Geological disposal Technology Safety case …
    Published date: 12 October 2016
    Other
    Summary Record of the Topical Session of the 17th Meeting of the IGSC

    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.

    Radioactive waste management Siting IGSC Safety case
    Published date: 7 October 2015
    Other
    Summary Record of the Topical Session of the 16th Meeting of the IGSC

    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.

    Radioactive waste management Post-closure IGSC Safety case
    Published date: 8 October 2014
    Other
    Summary Record of the Topical Session of the 13th Meeting of the IGSC

    Summary record extracted from NEA/RWM/IGSC(2011)2 concerning the topical session on gas migration.

    Radioactive waste management Migration IGSC Safety case
    Published date: 19 October 2011
    Other
    Summary Record of the Topical Session of the 9th Meeting of the IGSC

    Summary record extracted from NEA/RWM/IGSC(2008)1 concerning the proposed programme of work for the IGSC.

    Radioactive waste management IGSC Safety case
    Published date: 25 October 2007
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