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Standardized Waste Form Test Methods

Published online by Cambridge University Press:  26 February 2011

Steven C. Slate
Steven C. Slate*
Affiliation:
Pacific Northwest Laboratory, Richland, WA 99352, USA
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Abstract

The Materials Characterization Center (MCC) is developing standard tests to characterize nuclear waste forms. Development of the first thirteen tests was originally initiated to provide data to compare different high-level waste (HLW) forms and to characterize their basic performance. The current status of the first thirteen MCC tests and some sample test results are presented: The radiation stability tests (MCC-6 and 12) and the tensile-strength test (MCC-11) are approved; the static leach tests (MCC-1, 2, and 3) are being reviewed for full approval; the thermal stability (MCC-7) and microstructure evaluation (MCC-13) methods are being considered for the first time; and the flowing leach test methods (MCC-4 and 5), the gas generation methods (MCC-8 and 9), and the brittle fracture method (MCC-10) are indefinitely delayed. Sample static leach test data on the ARM-I approved reference material are presented.

Established tests and proposed new tests will be used to meet new testing needs. For waste form production, tests on stability and composition measurement are needed to provide data to ensure waste form quality. In transportaion, data are needed to evaluate the effects of accidents on canisterized waste forms. The new MCC-15 accident test method and some data are presented. Compliance testing needs required by the recent draft repository waste acceptance specifications are described. These specifications will control waste form contents, processing, and performance.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 44: Symposium N – Scientific Basis for Nuclear Waste Management VIII , 1984 , 741
Copyright
Copyright © Materials Research Society 1985

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References

1 Office of Nuclear Waste Isolation, Conceptual Waste Package Interim Product Specifications and Data Requirements for Disposal of Glass Commercial High-Level Waste Forms in Salt Geologic Repositories, BMI/ONWI-521 (Office of Nuclear Waste Isolation, Columbus, Ohio, 1983).Google Scholar
2 Oversby, V. M., The NNWSI Project Interim Acceptance Specifications for Defense Waste Processing Facility and West Valley Demonstration Project Waste Forms and Canisterized Waste, UCID-20156, 1984 (Lawrence Livermore National Laboratory, Livermore, California, August 1984).Google Scholar