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Alternative methods for disposal of low-level radioactive wastes. Volume 3. Task 2b: technical requirements for aboveground vault disposal of low-level radioactive waste

Technical Report ·
OSTI ID:5100712
The study reported herein contains the results of Task 2b (Technical Requirements for Aboveground Vault Disposal of Low-Level Radioactive Waste) of a four-task study entitled ''Criteria for Evaluating Engineered Facilities.'' The overall objective of this study is to ensure that the criteria needed to evaluate five alternative low-level radioactive waste (LLW) disposal methods are available potential license applicants. The above-ground vault disposal alternative is one of several methods that may be proposed for disposal of low-level radioactive waste. In this report, the term aboveground vault refers to an engineered structure with roof, walls and floor enclosing the disposal space. The limited experience and knowledge gained with this method are described and updated in this report. The short term experience does not conclusively demonstrate the capability of this method to satisfy the Part 61 Performance Objectives. A generic description of the features and components and operation of an aboveground vault disposal facility is provided. Features and components that could enhance the long-term performance are described. The applicability of existing criteria developed for near-surface disposal (10 CFR Part 61 Subpart D) to the aboveground vault disposal method, as assessed in Task 1, are reassessed herein. With few exceptions, these criteria were found to be applicable in the reassessment. These conclusions differ slightly from the Task 1 findings. 22 refs., 5 figs.
Research Organization:
Army Engineer Waterways Experiment Station, Vicksburg, MS (USA). Geotechnical Lab.
OSTI ID:
5100712
Report Number(s):
NUREG/CR-3774-Vol.3; ON: TI86900252
Country of Publication:
United States
Language:
English