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This book presents a critical review of designing, siting, constructing and demonstrating the safety and environmental impact of deep repositories for radioactive wastes. It is structured to provide a broad perspective of this multi-faceted, multi-disciplinary topic: providing enough detail for a non-specialist to understand the fundamental principles involved and with extensive references to sources of more detailed information. Emphasis is very much on "deep? geological disposal - at least some tens of metres below land surface and, in many cases, many hundred of metres deep. Additio
Radioactive waste disposal in the ground. --- Radioactive waste repositories. --- Nuclear waste repositories --- Geological repositories --- Radioactive waste sites --- Radioactive waste disposal in the ground --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories
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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 health and the environment. The barriers include the natural geological barrier and the engineered barrier system (EBS). The EBS itself may comprise a variety of sub-systems or components, such as the waste form, container, buffer, backfill, seals and plugs. These proceedings include the main findings and presented papers from the third NEA-EC workshop on engineered barrier systems, which focused on the role of EBS modelling in the safety case for deep disposal. The workshop examined the modelling tools currently available and identified complex areas of assessment in which further dialogue is needed.
Engineered barrier systems (Waste disposal). --- Radioactive waste disposal in the ground. --- Radioactive waste sites -- Design and construction. --- Radioactive waste sites -- Evaluation. --- Radioactive waste sites. --- Radioactive waste disposal in the ground --- Radioactive waste sites --- Engineered barrier systems (Waste disposal) --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Environmental Engineering --- Design and construction --- Evaluation --- Barrier systems (Waste disposal) --- Engineered barriers (Waste disposal) --- Engineered waste containment barriers --- Dumping sites, Radioactive --- Radioactive dumping sites --- Radioactive waste disposal sites --- Radioactive waste facilities --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Waste disposal in the ground --- Hazardous waste sites --- Radioactive waste repositories --- Design and construction. --- Evaluation. --- Spain
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The safety assessment of a deep repository for nuclear waste poses challenging scientific and technical questions. The risks from leakage of radionuclides from the repository, including transfers to the biosphere and the food chain must be assessed. This involves complex and poorly understood interactions between groundwater, soils, plants and the atmosphere. A unique, multidisciplinary experimental and modeling program at Imperial College London has been funded by UK NIREX to develop the science and to produce modeling tools to interpret and generalize the experimental data for safety assessm
Radioactive waste disposal in the ground --- Radioactive pollution. --- Radioisotopes --- Soil pollution. --- Biosphere. --- Life (Biology) --- Planets --- Gaia hypothesis --- Geobiology --- Contamination of soil --- Soil contamination --- Pollution --- Soils --- Soil remediation --- Soil salinization --- Migration of radioisotopes --- Environmental radioactivity --- Nuclear pollution --- Radioactivity, Environmental --- Radioactive substances --- Radioecology --- Radioactive waste disposal --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Environmental aspects. --- Migration. --- Environmental aspects --- Déchets radioactifs --- Pollution radioactive. --- Isotopes radioactifs --- Sols --- Biosphère. --- Élimination dans le sol. --- Pollution. --- Déchets radioactifs --- Biosphère. --- Élimination dans le sol.
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