The NEA Clay Club has been gathering the key geoscientific characteristics of the various argillaceous formations that are – or have been – studied in NEA member countries in the context of radioacti...

The OECD/NEA Working Group on the Characterisation, the Understanding and the Performance of Argillaceous Rocks as Repository Host Formations, namely the “Clay Club”, examines the various argillaceou...

The Working Group on the Characterisation, the Understanding and the Performance of Argillaceous Rocks and Repository Host Formations (Clay Club) marked its 30^th anniversary at its meeting on 17 Nove...

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.

Most experts worldwide agree that radioactive waste disposal in engineered facilities, or repositories, located in appropriate formations deep underground, provide a suitable waste management option ...

The definition of the chemical and isotopic composition of the groundwater present in argillaceous formations, which are considered as potential host rocks for radioactive waste disposal, is crucial ...

One of the initiatives of the Clay Club has been to launch a compilation and a review of the relevant literature on the basic concepts and mechanisms which control the movement of water, solute and g...

An evaluation of the occurrence of fluid flow through faults and fractures is of primary importance for the performance assessment of radioactive waste repositories located in argillaceous settings.

NEA Clay Club annual meeting, 23 September 2020.

A topical session focused on the Evidence of, and Approaches to Self-Healing in Argillaceous Media was organised in the framework to the 11th meeting of the Clay Club, held in Nancy, France on 16 May...

This document contains the proceedings of the NEA Clay Club workshop on Clay Characterisation from Nanoscopic to Microscopic Resolution. The workshop was intented to provide a discussion platform on ...

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...

Disposal of high-level radioactive waste and spent nuclear fuel in engineered facilities, or repositories, located deep underground in suitable geological formations is being developed worldwide as t...

The OECD/NEA Working Group on the Characterisation, the Understanding and the Performance of Argillaceous Rocks as Repository Host Formations for the disposal of radioactive waste (known as the "Clay...

This document reports the main items discussed and decisions made at the 14th Plenary Meeting of the NEA's Integration Group for the Safety Case's (IGSC) Clay Club, held at the ONDRAF/NIRAS offices i...

This document is the summary record of the 14th Plenary Meeting of the NEA's Integration Group for the Safety Case's (IGSC) Clay Club, held at the ONDRAF/NIRAS offices in Brussels, Belgium on 20-21 O...

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.

Disposal of high-level radioactive waste and spent nuclear fuel in engineered facilities, or repositories, located deep underground in suitable geological formations is being developed worldwide as t...