Acknowledgments; C.K. Rofer, T. Kaasik. Introduction and Recommendations; C.K. Rofer, T. Kaasik. Introductory Material: The Situation at Sillamae. Industrial Complex in Northeast Estonia: Technical, Economic and Environmental Aspects; M. Veiderma. Uranium Processing at Sillamae and decommissioning of the Tailings; E. Lippmaa, E. Maremae. Sillamae - A Common Baltic Concern; J.O. Snihs. Master Plant for Remediation of the Sillamae Tailings Pond and Technical Design Project; T. Kaasik. Site Monitoring; V. Nosov. Stability of the Dam at the Sillamae Tailings Pond; M. Mets, H. Torn. Process Flow Sheet; V. Petrenko, A. Siinmaa. Rare Earth Production at the Sillamae Plant, 1969-1991 and the Possibility of Scandium Extraction from Loparite; V.D. Kosynkin, V.J. Nikonov. Indoor Occupational Exposure to Radiation at the Silmet Plant in Estonia: A Preliminary Assessment; R. Mustonen, et al. Experience with Uranium Tailings in Other Countries. Remediation of the Former Uranium Mine Ranstad; B. Sundblad. Remediation of Tailings Dams; A.G. Benckert. Remediation Concepts for Uranium Mining Operations in CEEC: A Phare Multi-Country Environmental Sector Programme; J. Vrijen. WISMUT Experience in Remediation of Uranium Mill Tailings Ponds; A.T. Jakubick and M. Hagen. Post-Remediation Monitoring and Maintenance Experience at Uranium Mill Tailings Sites, United States; C.A. Jones, et al. Current State of Remediation of Tailings Ponds and Their Surroundings in Hungary; I. Benkovics, et al. The Environmental Impact of Former Uranium Mining Activities at the Novoveska Huta site, Slovakia; M. Kosik. A `Heritage' from Uranium Mining in Poland; Z. Waclawek, et al. A Field Study of Capillary and HydraulicBarriers in Landfill Covers Varying in Slope at Los Alamos, New Mexico, USA; J.W. Nyhan, et al. Regulatory and Legal Issues. Estonian Radiation Protection Requirements and the Sillamae Site; E. Realo. Legal Responsibility and Liability for the Sillamae Site; G. Hedelius. Regulations and Requirements Swedish Approach; J.O. Snihs. Nordic Experience with Environmental Regulations; K. Broden. Assessment of Options. Outline of a Multiattribute Utility Approach to Development of a Waste Management Strategy at Sillamae; P.C. Anselmo. The Potential for Economic Recovery of Metals from the Sillamae Site; G.A. Davis. Applicable Technologies. Oil Shale Ash: Its Characterization and Possible Use in Remediation at the Sillamae Site; T. Laur, V. Kikas. Types of Oil Shale Ash and Methods for Increasing Their Reactivity; R. Kuusik, T. Kaljuvee. Utilization of Semi-Coke for Energy Production; J. Uustalu. Magnetic Separation for Rare Earth Oxide Recovery at Sillamae, Estonia; L.M. Worl, et al. Purification and Utilization of Waste Waters from Silmet Plant Containing Ammonium Salts; G. Rajalo, et al. New Approaches for the Treatment of Naturally Occurring Radioactive Materials; L.M.M. Roelofs, R.B. Wiegers.Ash Cements Stabilized by Supercritical Co2 Carbonation for Tailings Pond Overlayer; J.B. Rubin, et al. A Novel Chemical Nitrate Destruction Process; J. Dziewinski, S. Marczak.