Over the past two decades, the safety case has become a powerful and essential tool to support decision making at every stage of a geological disposal programme. Now, an increasing number of national...

In May 2022, the Forum on Stakeholder Confidence (FSC) and the Integration Group for the Safety Case (IGSC) held a Joint Workshop with stakeholders from Germany, Sweden and Switzerland to assess the ...

Following a safety-oriented, stepwise procedure for geological repository siting, the Nuclear Waste Management Organization of Japan (NUMO) requested in 2021 that the NEA facilitate an independent in...

The Integration Group for the Safety Case (IGSC) was established in 2000 by the OECD Nuclear Energy Agency (NEA) Radioactive Waste Management Committee (RWMC) in recognition of the need for continued...

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...

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, ...

The NEA has made progress on two activities that seek to bolster member countries’ nuclear and radiological emergency preparedness and their ability to co-ordinate response actions.

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.

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...

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...

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 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 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 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.

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...

The Nuclear Energy Agency carried out an independent peer review of Japan’s siting process and criteria for the geological disposal of high-level radioactive waste in May 2016. The review concluded t...

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.

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...

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...

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...