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An Assessment Of The Long Term Suitability Of Present And Proposed Methods For The Management Of Uranium Mill Tailings
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Book Synopsis An assessment of the long term suitability of present and proposed methods for the management of uranium mill tailings by :
Download or read book An assessment of the long term suitability of present and proposed methods for the management of uranium mill tailings written by and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Assessment of the Long Term Suitability of Present and Proposed Methods for the Management of Uranium Mill Tailings : a Study for the Atomic Energy Control Board by : Beak Consultants
Download or read book An Assessment of the Long Term Suitability of Present and Proposed Methods for the Management of Uranium Mill Tailings : a Study for the Atomic Energy Control Board written by Beak Consultants and published by . This book was released on 1979 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Long Term Stabilization of Uranium Mill Tailings by :
Download or read book The Long Term Stabilization of Uranium Mill Tailings written by and published by . This book was released on 2004 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the current state of the art of uranium mill tailings disposal and the results from an IAEA Coordinated Research Project (CRP) on technologies and strategies for their long term stabilization. The aim of the CRP was to develop conceptual and technical solutions that render tailings more inert over prolonged time spans.
Book Synopsis Current Practices for the Management and Confinement of Uranium Mill Tailings by : International Atomic Energy Agency
Download or read book Current Practices for the Management and Confinement of Uranium Mill Tailings written by International Atomic Energy Agency and published by . This book was released on 1992 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present report provides an updated and comprehensive overview of the subject and supersedes Technical Reports Series No. 209, Current Practices and Options for Confinement of Uranium Mill Tailings, published in 1981. The present worldwide production of uranium mill tailings exceeds 20 million tonnes annually. lt is therefore essential that the environmental and health risks from these materials are reduced to an acceptable level. This report highlights new technological developments in this field as well as operational and managerial experience arising from the application of these methods.
Book Synopsis Uranium Mill Tailings Management by :
Download or read book Uranium Mill Tailings Management written by and published by . This book was released on 1980 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regulatory Impact Analysis of Final Environmental Standards for Uranium Mill Tailings at Active Sites by :
Download or read book Regulatory Impact Analysis of Final Environmental Standards for Uranium Mill Tailings at Active Sites written by and published by . This book was released on 1983 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Long Term Stabilization of Uranium Mill Tailings by : International Atomic Energy Agency
Download or read book The Long Term Stabilization of Uranium Mill Tailings written by International Atomic Energy Agency and published by . This book was released on 2004 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mining and milling of uranium ores has been undertaken in many places around the world, resulting in large volumes of mining/milling residues with low activity concentrations of long lived nuclides that often have been disposed of in a haphazard fashion. This report summarizes the current state of the art of uranium mill tailings disposal and the results from an IAEA Coordinated Research Project (CRP) on technologies and strategies for their long term stabilization. The aim of the CRP was to develop conceptual and technical solutions that render tailings more inert over prolonged time spans, t.
Book Synopsis Development of a Risk-Based Performance Assessment Method for Long-Term Cover Systems--Application to the Monticello Mill Tailings Repository by :
Download or read book Development of a Risk-Based Performance Assessment Method for Long-Term Cover Systems--Application to the Monticello Mill Tailings Repository written by and published by . This book was released on 2001 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: A probabilistic, risk-based performance-assessment methodology is being developed to assist designers, regulators, and involved stakeholders in the selection, design, and monitoring of long-term covers for contaminated subsurface sites. This report presents an example of the risk-based performance-assessment method using a repository site in Monticello, Utah. At the Monticello site, a long-term cover system is being used to isolate long-lived uranium mill tailings from the biosphere. Computer models were developed to simulate relevant features, events, and processes that include water flux through the cover, source-term release, vadose-zone transport, saturated-zone transport, gas transport, and exposure pathways. The component models were then integrated into a total-system performance-assessment model, and uncertainty distributions of important input parameters were constructed and sampled in a stochastic Monte Carlo analysis. Multiple realizations were simulated using the integrated model to produce cumulative distribution functions of the performance metrics, which were used to assess cover performance for both present- and long-term future conditions. Performance metrics for this study included the water percolation reaching the uranium mill tailings, radon flux at the surface, groundwater concentrations, and dose. Results of this study can be used to identify engineering and environmental parameters (e.g., liner properties, long-term precipitation, distribution coefficients) that require additional data to reduce uncertainty in the calculations and improve confidence in the model predictions. These results can also be used to evaluate alternative engineering designs and to identify parameters most important to long-term performance.
Book Synopsis Engineering Assessment of Inactive Uranium Mill Tailings New and Old Rifle Site, Rifle, Colorado. Phase II by :
Download or read book Engineering Assessment of Inactive Uranium Mill Tailings New and Old Rifle Site, Rifle, Colorado. Phase II written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ford, Bacon and Davis Utah Inc. has performed an engineering assessment of the problems resulting from the existence of radioactive uranium mill tailings at Rifle, Colorado. The Phase II--Title I services include the preparation of topographic maps, the performance of core drillings and radiometric measurements sufficient to determine areas and volumes of tailings and other radium-contaminated materials, the evaluation of resulting radiation exposures of individuals and nearby populations, the investigation of site hydrology and meteorology and the evaluation and costing of alternative corrective actions. Radon gas release from the 3.1 million tons of tailings at the two Rifle sites, constitutes the most significant environmental impact. Windblown tailings, external gamma radiation and localized contamination of surface waters are other environmental effects. The 15 alternative remedial action options presented range from millsite decontamination and off-site remedial action (Options I and IV), to adding various depths of stabilization cover material (Options II, V, VI and VII), to removal of the tailings to long-term storage sites and decontamination of the present sites (Options III and VIII through XV). Cost estimates for the first 14 options range from $224,000 to $20,300,000. Option XV, estimated at $32,200,000, includes the cost for moving both Rifle tailings piles and the Grand Junction tailings pile to DeBeque for long-term storage and site decontamination after removal of the piles. Reprocessing of the tailings for uranium appears to be economically attractive at present.
Book Synopsis Management of Uranium Mill Tailings, Low-level Waste and Hazardous Waste by :
Download or read book Management of Uranium Mill Tailings, Low-level Waste and Hazardous Waste written by and published by . This book was released on with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993-10 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study to Develop and Demonstrate Techniques for the Probabilistic Assessment of the Long-term Effects of Uranium Mill Tailings in Canada, Phase I. by :
Download or read book A Study to Develop and Demonstrate Techniques for the Probabilistic Assessment of the Long-term Effects of Uranium Mill Tailings in Canada, Phase I. written by and published by . This book was released on 1984 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study, carried out as part of the National Uranium TailingsProgram, was conducted to demonstrate the applicability andfeasibility of using a probabilistic assessment technique toevaluate the long-term environmental effects of uranium milltailings. Such an evaluation requires the use of mathematicalmodels to simulate the behaviour of the actual system. Thetechnique has the advantage over traditional deterministicmethods, however, in that it incorporates the natural variabilityand uncertainty regarding model inmput parameters and provides anopportunity to consider the likelihood of future events directlyin the assessment producing a distribution of output results.This Phase I study focussed on examination of the concepts andtechniques of probabilistic assessment, and involved apreliminary analysis of a hypothetical "reference" tailings site.
Book Synopsis Engineering Assessment of Inactive Uranium Mill Tailings, Shiprock Site, Shiprock, New Mexico. Phase II by :
Download or read book Engineering Assessment of Inactive Uranium Mill Tailings, Shiprock Site, Shiprock, New Mexico. Phase II written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ford, Bacon and Davis Utah Inc. has performed an engineering assessment of the problems resulting from the existence of radioactive uranium mill tailings at Shiprock, New Mexico. The Phase II, Title I services include the preparation of topographic maps, the performance of core drillings and radiometric measurements sufficient to determine areas and volumes of tailings and other radium-contaminated materials, the evaluation of resulting radiation exposures of individuals and nearby populations, the investigation of site hydrology and meteorology and the evaluation and costing of alternative corrective actions. Radon gas release from the 1.7 million tons of tailings at the Shiprock site constitutes the most significant environmental impact, although windblown tailings and external gamma radiation are also factors. The 11 alternative actions presented range from completion of the present ongoing EPA site decontamination plan (Option I), to stabilizing in-place with varying depths of cover material (Options II-IV), to removal to an isolated long-term disposal site (Options V-XI). All options include remedial action costs for off-site locations where tailings have been placed. Costs estimates for the 11 options range from $540,000 to $12,500,000. Reprocessing the tailings for uranium is not economically feasible.
Book Synopsis Uranium mill tailings management by :
Download or read book Uranium mill tailings management written by and published by . This book was released on 1982 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methodologies for Evaluating Long-term Stabilization Designs of Uranium Mill Tailings Impoundments by : Colorado State University
Download or read book Methodologies for Evaluating Long-term Stabilization Designs of Uranium Mill Tailings Impoundments written by Colorado State University and published by . This book was released on 1986 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Management of Uranium Mill Tailings : an Appraisal of Current Practices by : Canada. Atomic Energy Control Board. Advisory Panel on Tailings
Download or read book The Management of Uranium Mill Tailings : an Appraisal of Current Practices written by Canada. Atomic Energy Control Board. Advisory Panel on Tailings and published by . This book was released on 1978 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Long-term Safety Assessment of Uranium Mill Tailings by :
Download or read book The Long-term Safety Assessment of Uranium Mill Tailings written by and published by . This book was released on 1985 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overview of the program and its activities to the present, as well as an overview of the planning approach, program output, and project proposals. Specific projects in modelling, measurements and fundamental understanding, and disposal technology are summarized, including beginning date, objective, background, major outputs, and resource requirements. Financial summaries for total projects, and by type are included.
