Preface. Fundamental Physics and Chemistry of the Actinides. The Transuranium Elements: From Neptunium and Plutonium to Element 112; D.C. Hoffman. Solid State Chemistry and Thermophysical Properties of the Actinides; M. Beauvy. Electronic Structure of the Actinide Elements; B. Johansson. Bulk Properties of Light Actinides from First Principles; J. Kollar, et al. 5f-Electrons Localization of the Actinide Metals, delta-Plutonium Case; M. Penicaud. Lattice Relaxation and the Stability of Plutonium-Based Alloys and Intermetallics; J.D. Becker, et al. Electronic Structure and Structural Stability of Uranium Dioxide; S.L. Dudarev, et al. Synthesis and Crystal Structure of New Quaternary Silicides of Uranium; P.S. Salamakha, O.L. Sologub. Structural Chemistry of New Quaternary Germanides of Uranium; O.L. Sologub, P.S. Salamakha. Reactor Operations. Main Features of Improvement of Existing NPP Units and Creation of New Ones in Russia: Principal Safety Aspects; L.N. Phalkovski. Conception of VVER Reactors with Coated Particles; E.I. Grishanin, L.N. Phalkovski. Improvement of the Models and Codes for RBMK Neutronic Calculations; J.V. Alimov, et al. Nuclear Heating Power Plant Technical Safety Decisions; P.V. Berliaev, et al. Modeling of the Experiments with Natural Circulation of a Molten Fluoride Salt Fuel; K. Mikitiouk, et al. Waste Disposal and Repositories. Geological Disposal of High Level Radioactive Waste; V.S. Tsyplenkov. Spent Fuel Characteristics and Disposal Considerations; V.M. Oversby. Thermochemistry of Crystalline and Amorphous Phases Related to Radioactive Waste; A. Navrotsky. Potential Long Term Disposal of Plutonium in the Stockpile; J.T. Waber. Application ofRadiochemical, Accelerator-Based and Surface Analytical Techniques to the Investigation of the U- and Th-Interaction with Tectosilicate Minerals; P. Misaelides, et al. Lanthanide Oxalates as a Possible Form of Intermediate Separation for Long-Lived Fission-Product Nuclides; G. Kolonin. Interactions of Radionuclide with Hard Rock; V. Bu atova. Actinides in the Environment. Radionuclide Dispersal Pathways: Some General Considerations and Examples; P.I. Mitchell. Fission Products and Transuranic Elements Released into the Environment During the Chernobyl Accident; A.A. Borovoi, S.L. Gavrilov. Remediation of the Chernobyl Accident Site; S.A. Bogatov. Radioactive Waste and Contamination in the Arctic Regions Perspectives on the Impact on its Indigenous Peoples; M. Stenbaek. Fate and Transport of Plutonium in Forest Ecosystems: Assessment Using the FORESTPATH Model; I. Linkov, et al. Plutonium Content in Black Sea Sediments and Algae; A.S. Strezov, T.T. Stoilova. Uranium in the Environment in Surrounding Areas of the Romanian Nuclear Power Plant During the Pre-Operational Period; N. Panuescu, et al. Use of High Gradient Magnetic Separation for Actinide Applications; L.R. Avens, et al. Actinides in Portugal; V. Marques. Social and Psychological Sources of the Chernobyl Accident; O.V. Konovalova. Indices.