Elk and Deer Study, Material Disposal Area G, Technical Area 54: Source document

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As nuclear research has become more prevalent, environmental contamination from the disposal of radioactive waste has become a prominent issue. At Los Alamos National Laboratory (LANL) in northern New Mexico, radioactive contamination from disposal operations has raised some very specific concerns. Material Disposal Area G (Area G) is the primary low-level radioactive waste disposal site at LANL and occupies an area adjacent to land belonging to the Native American community of the Pueblo of San Ildefonso. Analyses of soil and vegetation collected from the perimeter of Area G have shown concentrations of radionuclides greater than background concentrations established for northern ... continued below

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Medium: P; Size: 83 pages

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Ferenbaugh, J. K.; Fresquez, P. R.; Ebinger, M. H.; Gonzales, G. J. & Jordan, P. A. September 1, 1999.

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Description

As nuclear research has become more prevalent, environmental contamination from the disposal of radioactive waste has become a prominent issue. At Los Alamos National Laboratory (LANL) in northern New Mexico, radioactive contamination from disposal operations has raised some very specific concerns. Material Disposal Area G (Area G) is the primary low-level radioactive waste disposal site at LANL and occupies an area adjacent to land belonging to the Native American community of the Pueblo of San Ildefonso. Analyses of soil and vegetation collected from the perimeter of Area G have shown concentrations of radionuclides greater than background concentrations established for northern New Mexico. As a result, Pueblo residents had become concerned that contaminants from Area G could enter tribal lands through various ecological pathways. The residents specifically questioned the safety of consuming meat from elk and deer that forage near Area G and then migrate onto tribal lands. Consequently, this study addresses the uptake of {sup 3}H, {sup 90}Sr, {sup tot}U, {sup 238}Pu, {sup 239}Pu, {sup 241}Am, and {sup 137}Cs by elk (Cervus elaphus) and deer (Odocoileus hemionus) that forage around the perimeter of Area G and the associated doses to the animals and to humans who consume these animals. Radionuclide uptake by and internal dose to animals was estimated using equations modified from National Council on Radiological Protection Report 76. The Residual Radiation computer code was used to estimate the external dose to animals and the dose to humans consuming meat. Soil and water concentrations from the perimeter of Area G and from background regions in northern New Mexico were averaged over 4 years (1993--1996) and used as input data for the models. Concentration estimates generated by the model correspond to the concentration range measured in actual tissue samples from elk and deer collected at LANL. The highest dose estimates for both animals (0.028 mrad/d) and humans (0.072 mrem/y) were well below guidelines established to protect the environment (100 mrad/d) and the public (100 mrem/y) from radiological health risks.

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Medium: P; Size: 83 pages

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INIS; OSTI as DE00751947

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  • Other Information: PBD: 1 Sep 1999

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  • Report No.: LA-13596-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/751947 | External Link
  • Office of Scientific & Technical Information Report Number: 751947
  • Archival Resource Key: ark:/67531/metadc711849

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

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  • September 1, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 3, 2016, 12:54 p.m.

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Ferenbaugh, J. K.; Fresquez, P. R.; Ebinger, M. H.; Gonzales, G. J. & Jordan, P. A. Elk and Deer Study, Material Disposal Area G, Technical Area 54: Source document, report, September 1, 1999; Los Alamos, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711849/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.