Challenges in defining a radiologic and hydrologic source term for underground nuclear test centers, Nevada Test Site, Nye County, Nevada

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The compilation of a radionuclide inventory for long-lived radioactive contaminants residual from nuclear testing provides a partial measure of the radiologic source term at the Nevada Test Site. The radiologic source term also includes potentially mobile short-lived radionuclides excluded from the inventory. The radiologic source term for tritium is known with accuracy and is equivalent to the hydrologic source term within the saturated zone. Definition of the total hydrologic source term for fission and activation products that have high activities for decades following underground testing involves knowledge and assumptions which are presently unavailable. Systematic investigation of the behavior of fission ... continued below

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10 p.

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Smith, D.K. June 1, 1995.

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The compilation of a radionuclide inventory for long-lived radioactive contaminants residual from nuclear testing provides a partial measure of the radiologic source term at the Nevada Test Site. The radiologic source term also includes potentially mobile short-lived radionuclides excluded from the inventory. The radiologic source term for tritium is known with accuracy and is equivalent to the hydrologic source term within the saturated zone. Definition of the total hydrologic source term for fission and activation products that have high activities for decades following underground testing involves knowledge and assumptions which are presently unavailable. Systematic investigation of the behavior of fission products, activation products and actinides under saturated or Partially saturated conditions is imperative to define a representative total hydrologic source term. This is particularly important given the heterogeneous distribution of radionuclides within testing centers. Data quality objectives which emphasize a combination of measurements and credible estimates of the hydrologic source term are a priority for near-field investigations at the Nevada Test Site.

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10 p.

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INIS; OSTI as DE95015887

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  • ER `95: environmental remediation conference: committed to results, Denver, CO (United States), 13-18 Aug 1995

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  • Other: DE95015887
  • Report No.: UCRL-JC--120389
  • Report No.: CONF-950868--3
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 105676
  • Archival Resource Key: ark:/67531/metadc618945

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 18, 2016, 11:51 a.m.

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Smith, D.K. Challenges in defining a radiologic and hydrologic source term for underground nuclear test centers, Nevada Test Site, Nye County, Nevada, article, June 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc618945/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.