High Purity Germanium Gamma-PHA Assay of Uranium Storage Pigs for 321-M Facility

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Description

The Analytical Development Section of SRTC was requested by the Facilities Disposition Division (FDD) to determine the holdup of enriched uranium in the 321-M facility as part of an overall deactivation project of the facility. The 321-M facility was used to fabricate enriched uranium fuel assemblies, lithium-aluminum target tubes, neptunium assemblies, and miscellaneous components for the production reactors. The facility also includes the 324-M storage building and the passageway connecting it to 321-M. The results of the holdup assays are essential for determining compliance with the Solid Waste's Waste Acceptance Criteria, Material Control and Accountability, and to meet criticality safety ... continued below

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Dewberry, R.A. September 18, 2001.

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Description

The Analytical Development Section of SRTC was requested by the Facilities Disposition Division (FDD) to determine the holdup of enriched uranium in the 321-M facility as part of an overall deactivation project of the facility. The 321-M facility was used to fabricate enriched uranium fuel assemblies, lithium-aluminum target tubes, neptunium assemblies, and miscellaneous components for the production reactors. The facility also includes the 324-M storage building and the passageway connecting it to 321-M. The results of the holdup assays are essential for determining compliance with the Solid Waste's Waste Acceptance Criteria, Material Control and Accountability, and to meet criticality safety controls. This report describes and documents the use of a portable HPGe detector and EG and G Dart system that contains a high voltage power supply, signal processing electronics, a personal computer with Gamma-Vision software, and space to store and manipulate multiple 4096-channel g-ray spectra to assay for 235U content in 268 uranium shipping and storage pigs. This report includes a description of three efficiency calibration configurations and also the results of the assay. A description of the quality control checks is included as well.

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  • Other Information: PBD: 18 Sep 2001

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  • Report No.: WSRC-TR-2001-00031
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/786670 | External Link
  • Office of Scientific & Technical Information Report Number: 786670
  • Archival Resource Key: ark:/67531/metadc717859

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  • September 18, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 5, 2016, 5:46 p.m.

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Dewberry, R.A. High Purity Germanium Gamma-PHA Assay of Uranium Storage Pigs for 321-M Facility, report, September 18, 2001; South Carolina. (digital.library.unt.edu/ark:/67531/metadc717859/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.