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...

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.

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...

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...

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.

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...

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.

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.

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.

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...

Integration Group for the Safety Case (IGSC) flyer.

The IGSC has identified various tools that can be used to structure and thus better manage and transfer the ever-increasing amounts of information and knowledge across a project lifetime.

The Integration Group for the Safety Case (IGSC) has been organising a series of symposia every five years focusing on the development of a competent and robust safety case since 2007, in co‑operatio...

The design and implementation activities of the Integration Group for the Safety Case (IGSC) focus on how to achieve safety in practice.

The Scientific Basis activities of the Integration Group for the Safety Case (IGSC) examine important scientific and technical issues for the development and integration of safety cases.

NEA Expert Group on Operational Safety (EGOS) meeting, 7 October 2019.

NEA Integration Group for the Safety Case (IGSC) meeting, 8‑10 October 2019.

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...

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 ...

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 ...

Communication has a specific role to play in the development of deep geological repositories. Building trust with the stakeholders involved in this process, particularly within the local community, i...

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

This report provides an overview of the state of the art in scenario development related to the long-term safety of geological repositories for radioactive waste.

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.

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...

NEA News is the professional journal of the Nuclear Energy Agency (NEA). It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nucl...

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.

This document is the draft summary record of the 15th meeting of the Integration Group for the Safety Case (IGSC), held OECD Conference Centre, Paris, France on 10-11 October 2013.

This document is the summary record of the 2nd meeting of the Salt Club held in Berlin, Germany on 16 September 2013. The Salt Club operates under the aegis of the Integration Group for the Safety Ca...

This document describes the proceedings of an IGSC international workshop was convened in Braunschweig, Germany on 5-7 September 2013, with the purpose of identifying and compiling information on kno...

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...

Integration Group for the Safety Case (IGSC) brochure on the long-term safety case for geological disposal of radioactive waste.

This Technical Note reviews the relevant project-specific FEP lists recently developed (i.e. since 2006) by organisations assessing the post-closure safety of the deep disposal of radioactive waste. ...

The first meeting of the Salt Club (SC-1) took place at the NEA Offices in Issy-Les-Moulineaux, France on 04 December 2012. This draft summary record reviews the main items and decisions.

This document describes the provisional Programme of Work (PoW) of the Expert Group on Operational Safety in 2013 to 2014. Work activities outlined here were approved by the EG-OS at their kickoff me...

This document defines and discusses the purpose and general contents of post-closure safety cases for geological repositories for long-lived radioactive waste. Its aim is to provide a useful point of...

An important activity of the OECD Nuclear Energy Agency (NEA) in the field of radioactive waste management is the organisation of independent, international peer reviews of national studies and proje...

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...

The Nuclear Energy Agency (NEA) has an acknowledged role in organising independent, international peer reviews of national programmes and studies in the field of radioactive waste management. The NEA...

Sweden is at the forefront among countries developing plans for a deep geological repository of highly radioactive waste. There is no such repository in operation yet worldwide, but Sweden, Finland a...

The main purpose of this status report is to increase awareness and understanding of the potential applications of indicators in the safety case, and provide support for further development in the ar...

A major activity of the Nuclear Energy Agency (NEA) in the field of radioactive waste management is the organization of independent, international peer reviews of national studies and projects. The N...

A central safety function of radioactive waste disposal repositories is the prevention or sufficient retardation of radionuclide migration to the biosphere. Performance assessment exercises in variou...

At the request of the Belgian Federal government, the OECD-NEA International Review Team (IRT) is reviewing the safety case of the ONDRAF/NIRAS' surface disposal facility for low and intermediate lev...

This report presents the proceedings of a workshop on the roles, evolution and interactions of cementitious materials in geological disposal facilities for radioactive waste. The workshop was organis...

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

At the request of the Swedish government, the OECD-NEA International Review Team (IRT) is examining the application by SKB for a construction license of a spent fuel repository in Sweden. Questionnai...

Over the past two decades the NEA, on behalf of requesting countries, has regularly organised international peer reviews of national safety reports in the field of geological disposal of radioactive ...

Summary record extracted from NEA/RWM/IGSC(2010)8 concerning the topical session on optimisation.

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...