Statistical analysis of shard and canister glass correlation test

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The vitrification facility at West Valley, New York will be used to incorporate nuclear waste into a vitrified waste form. Waste Acceptance Preliminary Specifications (WAPS) will be used to determine the acceptability of the waste form product. These specifications require chemical characterization of the waste form produced. West Valley Nuclear Services (WVNS) intends to characterize canister contents by obtaining shard samples from the top of the canisters prior to final sealing. A study was conducted to determine whether shard samples taken from the top of canisters filled with vitrified nuclear waste could be considered representative and therefore used to characterize … continued below

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55 p.

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Pulsipher, B. December 1, 1990.

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The vitrification facility at West Valley, New York will be used to incorporate nuclear waste into a vitrified waste form. Waste Acceptance Preliminary Specifications (WAPS) will be used to determine the acceptability of the waste form product. These specifications require chemical characterization of the waste form produced. West Valley Nuclear Services (WVNS) intends to characterize canister contents by obtaining shard samples from the top of the canisters prior to final sealing. A study was conducted to determine whether shard samples taken from the top of canisters filled with vitrified nuclear waste could be considered representative and therefore used to characterize the elemental composition of the entire canister contents. Three canisters produced during the SF-12 melter run conducted at WVNS were thoroughly sampled by core drilling at several axial and radial locations and by obtaining shard samples from the top of the canisters. Chemical analyses were performed and the resulting data were statistically analyzed by Pacific Northwest Laboratory (PNL). If one can assume that the process controls employed by WVNS during the SF-12 run are representative of those to be employed during future melter runs, shard samples can be used to characterize the canister contents. However, if batch-to-batch variations cannot be controlled to the acceptable levels observed from the SF-12 data, the representativeness of shard samples will be in question. The estimates of process and within-canister variations provided herein will prove valuable in determining the required frequency and number of shard samples to meet waste form qualification objectives.

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55 p.

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OSTI as DE96012315

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  • Other Information: PBD: Dec 1990

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  • December 1, 1990

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  • June 29, 2015, 9:42 p.m.

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  • April 6, 2016, 2:56 p.m.

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Pulsipher, B. Statistical analysis of shard and canister glass correlation test, report, December 1, 1990; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc671242/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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