U.S. Transparency monitoring under the U.S./Russian HEU purchase agreement

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The conversion of Highly Enriched Uranium (HEU) metal to low enriched uranium (LEU) takes place at four Russian sites. HEU metal to oxide processing began in 1994 with shipments of HEU oxide from the Siberian Chemical Enterprise (SChE) to the Ural Electrochemical Integrated Plant (UEIP) fluorination and blending facility. U.S. transparency monitoring at these facilities began in February 1996. In 1996, fluorination and blending operations began at the Electrochemical Plant (ECP). In 1997, additional HEU metal to oxide was added at the Mayak Production Association (MPA), and additional fluorination and blending operations have been performed at SChE. U.S. transparency monitoring ... continued below

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581 Kilobytes pages

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Benton, J.; Dougherth, D. R.; Glaser, J. W. & Thomas, D. C. July 27, 1999.

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Description

The conversion of Highly Enriched Uranium (HEU) metal to low enriched uranium (LEU) takes place at four Russian sites. HEU metal to oxide processing began in 1994 with shipments of HEU oxide from the Siberian Chemical Enterprise (SChE) to the Ural Electrochemical Integrated Plant (UEIP) fluorination and blending facility. U.S. transparency monitoring at these facilities began in February 1996. In 1996, fluorination and blending operations began at the Electrochemical Plant (ECP). In 1997, additional HEU metal to oxide was added at the Mayak Production Association (MPA), and additional fluorination and blending operations have been performed at SChE. U.S. transparency monitoring at these facilities is intended to provide confidence that HEU weapons components are received, that the HEU metal is converted to HEU oxide, and that the HEU is blended to LEU prior to shipment to the U.S. Enrichment Corporation (USEC). The monitoring begins with observation of HEU weapon components in sealed containers, including confirmation of the {sup 235}U enrichment using U.S. nondestructive assay (NDA) equipment. The feeding of HEU metal shavings to the oxidation process and the subsequent packaging of the HEU oxide for shipment to the fluorination and blending facilities are then monitored. At those facilities, monitors are allowed to witness the fluorination and blending of the HEU into LEU. Monitors are allowed to use the NDA instrumentation to confirm that HEU is being processed. A series of process and material accountancy documents are provided to U.S. monitors.

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581 Kilobytes pages

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  • Institute of Nuclear Material Management, 40th Annual Meeting, Phoenix, AZ (US), 07/26/1999--07/29/1999

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  • Report No.: UCRL-JC-135145
  • Report No.: CD3013000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 14539
  • Archival Resource Key: ark:/67531/metadc626618

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 27, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 23, 2016, 6:57 p.m.

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Benton, J.; Dougherth, D. R.; Glaser, J. W. & Thomas, D. C. U.S. Transparency monitoring under the U.S./Russian HEU purchase agreement, article, July 27, 1999; California. (digital.library.unt.edu/ark:/67531/metadc626618/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.