Raymond N. Yong is Professor Emeritus of Civil Engineering and Applied Mechanics at McGill University and former Director of the Geotechnical Research Centre of McGill University, Canada.Roland Pusch is Managing Director of Geodevelopment AB and former Professor at the Technical University of Luleå and University of Lund, Sweden.Masashi Nakano is Emeritus Professor of Soil Physics and Soil Hydrology at the University of Tokyo and Director of the Institute of Soil Science and Engineering, Japan.

• 1. Introduction 2. Radioactive and Hazardous Solid Waste Isolation 3. Nature of Clays 4. Clay-water Reactions and Partly-saturated Water Transport 5. Contaminant-clay Interactions and Impacts 6. Thermal, Hydraulic, Mechanical, Chemical and Biological Processes 7. Clay Evolution and Long Term Buffer/Barrier Performance 8. Field and Mockup Experiments 9. Modelling for Prediction and Performance Assessment 10. Safety Assessment and Performance Determination

Raymond N. Yong is Professor Emeritus of Civil Engineering and Applied Mechanics at McGill University and former Director of the Geotechnical Research Centre of McGill University, Canada.Roland Pusch is Managing Director of Geodevelopment AB and former Professor at the Technical University of Luleå and University of Lund, Sweden.Masashi Nakano is Emeritus Professor of Soil Physics and Soil Hydrology at the University of Tokyo and Director of the Institute of Soil Science and Engineering, Japan.

• 1. Introduction 2. Radioactive and Hazardous Solid Waste Isolation 3. Nature of Clays 4. Clay-water Reactions and Partly-saturated Water Transport 5. Contaminant-clay Interactions and Impacts 6. Thermal, Hydraulic, Mechanical, Chemical and Biological Processes 7. Clay Evolution and Long Term Buffer/Barrier Performance 8. Field and Mockup Experiments 9. Modelling for Prediction and Performance Assessment 10. Safety Assessment and Performance Determination

Raymond N. Yong is Professor Emeritus of Civil Engineering and Applied Mechanics at McGill University and former Director of the Geotechnical Research Centre of McGill University, Canada.Roland Pusch is Managing Director of Geodevelopment AB and former Professor at the Technical University of Luleå and University of Lund, Sweden.Masashi Nakano is Emeritus Professor of Soil Physics and Soil Hydrology at the University of Tokyo and Director of the Institute of Soil Science and Engineering, Japan.

• 1. Introduction 2. Radioactive and Hazardous Solid Waste Isolation 3. Nature of Clays 4. Clay-water Reactions and Partly-saturated Water Transport 5. Contaminant-clay Interactions and Impacts 6. Thermal, Hydraulic, Mechanical, Chemical and Biological Processes 7. Clay Evolution and Long Term Buffer/Barrier Performance 8. Field and Mockup Experiments 9. Modelling for Prediction and Performance Assessment 10. Safety Assessment and Performance Determination