4 edition of The role of conceptual models in demonstrating repository post-closure safety found in the catalog.
1995 by Nuclear Energy Agency, Organisation for Economic Co-operation and Development, OECD Publications and Information Centre, distributor] in Paris, [Washington, D.C .
Written in English
Includes bibliographical references.
|Contributions||OECD Nuclear Energy Agency.|
|LC Classifications||TD898.2 .R64 1995|
|The Physical Object|
|Pagination||190 p. :|
|Number of Pages||190|
|LC Control Number||96139929|
Deep and Near‐Surface Monitoring for Enhanced CO 2. Storage Security* Susan D. Hovorka. 1 Search and Discovery Article # () Posted J *Adapted from oral presentation at AAPG Annual Convention and Exhibition, New Orleans, Louisiana, April , The safety case report includes the following: design base and disposal facility, site description, waste type and characteristics, engineered barrier system, the features, events and processes & scenarios, description of the model and data, the post-closure safety assessment, complementary considerations and a synthesis of the safety case. Records management, also known as records and information management, is an organizational function devoted to the management of information in an organization throughout its life cycle, from the time of creation or inscription to its eventual includes identifying, classifying, storing, securing, retrieving, tracking and destroying or permanently preserving records. The second initiative, a separate project, is the Nuclear Waste Management Organization’s (NWMO) Adaptive Phased Management initiative. In June , the Government of Canada selected the NWMO’s Adaptive Phased Management (APM) approach as Canada’s plan for the long-term management of used nuclear NWMO is conducting a site selection process to select an informed and willing.
the health and safety of the patient involved, as well as on the health and safety of future patients. Most of those in the audience-which included physicians, nurses, pharmacists, and insurers, as well as lawyers-seemed inspired by this candid and refreshing approach. Making this kind of patient-cen-tered process a model for investigating.
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Role of conceptual models in demonstrating repository post-closure safety. Paris: Nuclear Energy Agency, Organisation for Economic Co-operation and Development ; [Washington, D.C.: OECD Publications and Information Centre, distributor], © (OCoLC) Material Type. • Demonstrate that long-term safety from the hazards presented by SNF can be evalu-ated for a deep horizontal drillhole repository sited in a sedimentary host formation, using established simulation tools and analysis methods.
• Provide arguments in support of a generic post-closure safety. For a repository, the safety case may relate to a given stage of development. In such cases, the expected to evolve through the timescale of the operational and post-closure safety assessments.
Lecture - Introduction to Safety Assessment and Safety Case 27 use of alternative conceptual models to demonstrate. of a repository to provide such long-term safety.
Addressing the post-closure phase is a particular challenge due to its long timescale (i.e. of the order of hundreds of thousands of years), which raises subsequent issues of how to demonstrate safe performance of the repository with adequate confidence based on present analyses and data.
Role and Examples. YMAndrews-Van Luik_NWTRB_ppt is to demonstrate post-closure regulatory compliance uncertain values for performance parameters establish a conceptual model of the repository system and a trajectory of expected repository performance that is reasonably predictable and can be.
The Safety Analysis Report addressed repository safety before and after permanent closure, research and development programs to resolve safety questions, the performance confirmation program, and management systems.
Acceptance of the license application for review by the Nuclear Regulatory Commission staff without requests for additional.
including concrete degradation in the repository environment. For this purpose, the characterisation and evaluation of the long-term behaviour of cementitious materials, the development of silo closure options, and safety re-assessments concerning concrete degradation in the repository environment have been carried out in this IAEA-CRP.
As a methodology demonstration for the Office of Nuclear Waste Isolation (ONWI), the Assessment of Effectiveness of Geologic Isolation Systems (AEGIS) Program conducted an initial reference site analysis of the long-term effectiveness of a salt dome repository.
for assessing the post-closure safety of nuclear waste storage in geologic. • The first part (safety of the disposal concept) concerned the demonstration of long-term safety of the multi-barrier system under the condition that the assumed host-rock properties used for safety assessment are representative for a volume of rock large enough to host the repository.
This part was assessed positively by HSK. Post-closure monitoring goals also include 2, 4, 5, 6, and 7 above. A widely accepted objective of the international community is that long-term safety of the repository must not rely on institutional controls (i.e., monitoring of the repository) after it has been sealed and closed (IAEA, ).
Management of Uncertainty in Safety Case: The Role of Risk Stockholm, Sweden FebruaryPresentation Out I i ne 0 0 0 0 conceptual models - Incorporate insights gained through post-closure. The post-closure performance of a generic horizontal drillhole repository for the disposal of spent nuclear fuel (SNF) is quantitatively evaluated using a physics-based numerical model that accounts for coupled thermal-hydrological flow and radionuclide transport processes.
The model incorporates most subcomponents of the repository system, from individual waste canisters to the geological far. •Severe Shaft Seal Failure Scenario – Conceptual model is the same as for the Normal Evolution Scenario – starts with degraded concrete seals – Severe Failure Scenario uses more pessimistic parameter values Significantly degraded physical and chemical characteristics of the concrete monoliths and shaft seals Increased permeability of the repository/shaft EDZs (EDZ.
Radioactive Waste Repository Development, Safety Assessment, and Site Characterization The conceptual model for radionuclide “Post-Closure Safety.
• Digital models have been common in engineering since the late s but today’s focus on Model-based Engineering goes beyond the use of disparate models • Model-based Engineering moves the record of authority from documents to digital models including M-CAD, E-CAD, SysML and UML managed in a data rich environment • Shifting to model-based.
[Show full abstract] conceptual model to describe enterprises from a holistic perspective. The proposed model is based on relationships between the ArchiMate language and bodies of knowledge (BOKs).
conceptual models of the Yucca Mountain site and the performance of the repository. Such considerations were needed to assure that site investigations would gather data to confirm or rule-out alternative conceptual models, in addition to gathering data to confirm the preferred concept.
Other NRC staff comments on the CDSCP concerned: (1) the. benefited from the development of conceptual models for comparative research. ' Two sets of studies on comparative environmental policy have partially adopted central principles from comparative politics theory.
One group has used the concept of economic development to explain differences in environmental policy. accomplished by reviewing the fundamental concepts behind safety assessment and demonstrating how waste package models can be used to support safety assessment.
Safety assessment for low- and intermediate-level wastes is a complicated process involving assumptions about the appropriate conceptual model to use and the data required to support these.
consider alternative models of features and processes that are consistent with the available data and scientific understanding and evaluate the effects of the alternative conceptual models on performance of the repository; 5.
provide a technical basis for either inclusion or exclusion of specific FEPs in the performance assessment; and. The QSS model has been developed to understand the study of hypothetical post-closure criticality events in a GDF.
The model has been successfully applied to simulate the Oklo zone 2 natural reactor and the results of the calculation are in good agreement. ty (UCF) would be constructed and site-specific research and technology demonstration would be performed.
During this period, in-situ characteristics of the site at repository depth would be obtained and the final design and safety assessments would be prepared prior to final construc-tion and operation of the repository. Project leader, Knowledge Repository. Joseph conceived the idea and on patients, staff and families, developing conceptual models demonstrating relationships identified through the review and developing key point developing a book compiling multiple resources – literature review, best.
Advances in Geologic Disposal System Modeling and Shale Reference Cases vi September ingestion dose -rates exceeding 5 × Sv yr ainty in shale porosity has the largest effect on I concentrations at observation points in the aquifers directly above and below the repository, but at.
Safety Functions and Disposal programme. During the start-up and initial phases, a safety concept is selected and developed. The concept relates to specific safety functions, such as confine RN, prevent intrusion, isolate from safety functions are defined to prevent or reduce the risks, and thus provide the required level of safety.
model validation, predictive modelling, sensitivity analysis and uncertainty propagation analysis. This expertise is documented in this publication, in which numerical modelling is used to address the pertinent issue of site characterization and its impact on safety, using data and information from a potential repository.
Several projects have been undertaken internationally to improve the long term assessment basis. Among these, the International Atomic Energy Agency (IAEA) BIOMASS Theme 1 (International Atomic Energy Agency, ) provided a clear basis for identifying, justifying and describing biosphere addition, the development of conceptual and mathematical models has been set out and.
Assessment of Pre- and Post –Closure Safety in the NUMO Safety Case for a Geological Repository 56 03d – 13 96 J. Stastka Czech Republic Research, Development and Demonstration Projects at the Josef Underground Laboratory 60 03d – 14 V. Maree South Africa The Management of Used (Spent) Fuel and High Level Waste in South Africa Post-Closure Safety Assessment (or Performance Assessment) – A quantitative assessment of repository performancethat evaluates the long-term behavior of a repository, including the ability of the repository barriers to perform their safety functions, and plays a key role in.
Site-descriptive modelling in a context. The earlier Swedish experience included safety analyses that were based on site investigations and modelling, but lacked an integrated site modelling of the studied potential sites, see e.g. SKB ().In the planning for the site investigations at Forsmark and Laxemar, the need of a holistic view and integrated models was emphasised (SKB ).
Decades of salt repository research and development at WIPP and elsewhere, several independent peer reviews, as well as the 5-year periodic compliance applications submitted by the Department of Energy (DOE) and certified by the Environmental Protection Agency (EPA) sincecontinue to provide confidence in the long-term post-closure safety.
pediatrics is critical to patient safety. The literature indicates that the teaching practices of mathematical skills for medication administration, in schools of nursing, vary widely (Allen & Pappas, ; Polifroni, Mc Nulty & Allchin, ), such as, lecture, demonstration, workbook, and multimedia.
programs are used on a regular basis. They serve two roles: “a legalistic or surveillance role; and a helping, therapeutic, or problem solving role” (Trotter,p. The average citizen gives little thought to the fact that transition from prison to the community is a major life change.
B) Carroll's model emphasizes abstract learning whereas Slavin's model emphasizes concrete learning. C) Carroll's model deals with the learner whereas Slavin's deals with the teacher.
D) Slavin's model deals with changeable elements, while Carroll's includes factors. role for states, tribes, and local governments under current law is far from straightforward, given that the Atomic Energy Act of provides for exclusive federal jurisdiction over many radioactive waste management issues.
Nevertheless, we believe it will be essential to affirm a role for states, tribes, and local governments that. A comparison of the Theory of Unpleasant Symptoms and the conceptual model of chemotherapy-related changes in cognitive function.
Oncology Nursing Forum, 36(1), E1-E Tyler, R., & Pugh, L. The span of a Governance, Risk and Compliance process includes three elements.
Governance is the oversight role and the process by which companies manage and mitigate business risks; Risk management enables an organization to evaluate all relevant business and regulatory risks and controls and monitor mitigation actions in a structured manner; Compliance ensures that an organization has.
the WIPP repository, a global first-of-its-kind URF, for at least another 30 years. A comprehensive, regulator-reviewed database and state-of-the-art conceptual and numerical process and total systems analysis (TSPA) models for a deep geological repository for safe disposal of long-lived radioactive wastes/materials (LLRMs).
Abstract. This report presents a preliminary safety analysis for the deep borehole disposal (DBD) concept, using a safety case framework. A safety case is an integrated collection of qualitative and quantitative arguments, evidence, and analyses that substantiate the safety, and the level of confidence in the safety, of a geologic repository.
PAMINA Sixth Framework programme Foreword The work presented in this report was developed within the Integrated Project PAMINA: Performance Assessment Methodologies IN Application to Guide the Development of the Safety Case.
This project is part of the Sixth Framework Programme of the European. The Deep Geological Repository Project (DGR) is a proposal by Ontario Power Generation (OPG) for the site preparation, construction, operation, decommissioning and abandonment of a deep geological radioactive waste disposal facility for low and intermediate-level radioactive waste (L&ILW).
The facility is set to be located on the Bruce nuclear generating station adjacent to OPG’s Western.The lack of progress in reducing health disparities suggests that new approaches are needed if we are to achieve meaningful, equitable, and lasting reductions.
Current scientific paradigms do not adequately capture the complexity of the relationships between environment, personal health and population level disparities. The public health exposome is presented as a universal exposure tracking.
established active model for cross-cultural work it is difficult to uphold a social work commitment to serving marginalized communities. Conceptual Framework. Postmodern critical theory (PMCT) provides a foundation for this study’s analysis of the development of cultural competence in social work practice and education.