Lessons learned at West Valley during facility decontamination for re-use (1982--1988)

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The primary mission of the West Valley Demonstration Project (WVDP) is to solidify a large volume of high-level liquid waste (2.3 million liters -- 600,000 gallons) produced during reprocessing plant operations and stored in underground tanks. This is to be accomplished through the maximum use of existing facilities. This required a significant effort to remove existing equipment and to decontaminate areas for installation of liquid and cement processing systems in a safe environment while maintaining exposure to workers as low as reasonably achievable. The reprocessing plant occupied a building of about 33,000 m/sup 2/ (350,000 ft/sup 2/). When the WVDP ... continued below

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Pages: 77

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Tundo, D.; Gessner, R.F. & Lawrence, R.E. November 1, 1988.

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Description

The primary mission of the West Valley Demonstration Project (WVDP) is to solidify a large volume of high-level liquid waste (2.3 million liters -- 600,000 gallons) produced during reprocessing plant operations and stored in underground tanks. This is to be accomplished through the maximum use of existing facilities. This required a significant effort to remove existing equipment and to decontaminate areas for installation of liquid and cement processing systems in a safe environment while maintaining exposure to workers as low as reasonably achievable. The reprocessing plant occupied a building of about 33,000 m/sup 2/ (350,000 ft/sup 2/). When the WVDP was initiated, approximately 6 percent of the plant area was in a non-contaminated condition where personnel could function without protective clothing or radiological controls. From 1982 to 1988, an additional 64 percent of the plant was cleaned up and much of this converted to low- and high-level waste processing areas. The high-level liquid and resulting low-level liquids are now being treated in these areas using an Integrated Radwaste Treatment System (IRTS). The Project has now focused attention on installation, qualification and operation of a vitrification system which will convert the remaining high-level waste into borosilicate glass logs. The stabilized waste will be sent to a Federal Repository for long-term storage. From 1982 to 1988, about 70 technical reports were dealing with specific tasks and cleanup efforts. This report provides an overview of the decontamination and decommissioning work done in that period. The report emphasizes lessons learned during that effort. Significant advances were made in: remote and contact decontamination technology; personnel protection and training; planning and procedures; and radiological controls. 62 refs., 35 figs., 5 tabs.

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Pages: 77

Notes

NTIS, PC A05/MF A01 - OSTI; 1.

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  • Other Information: Portions of this document are illegible in microfiche products

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  • Other: DE89009017
  • Report No.: DOE/NE/44139-54
  • Grant Number: AC07-81NE44139
  • DOI: 10.2172/5923322 | External Link
  • Office of Scientific & Technical Information Report Number: 5923322
  • Archival Resource Key: ark:/67531/metadc1094919

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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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  • November 1, 1988

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • April 2, 2018, 1:14 p.m.

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Tundo, D.; Gessner, R.F. & Lawrence, R.E. Lessons learned at West Valley during facility decontamination for re-use (1982--1988), report, November 1, 1988; United States. (digital.library.unt.edu/ark:/67531/metadc1094919/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.