Pinon Pine Tree Study, Los Alamos National Laboratory: Source document

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One of the dominant tree species growing within and around Los Alamos National Laboratory (LANL), Los Alamos, NM, lands is the pinon pine (Pinus edulis) tree. Pinon pine is used for firewood, fence posts, and building materials and is a source of nuts for food--the seeds are consumed by a wide variety of animals and are also gathered by people in the area and eaten raw or roasted. This study investigated the (1) concentration of {sup 3}H, {sup 137}Cs, {sup 90}Sr, {sup tot}U, {sup 238}Pu, {sup 239,240}Pu, and {sup 241}Am in soils (0- to 12-in. [31 cm] depth underneath the ... continued below

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Medium: P; Size: 100 pages

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Fresquez, P. R.; Huchton, J. D.; Mullen, M. A. & L. Naranjo, Jr. January 1, 2000.

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Description

One of the dominant tree species growing within and around Los Alamos National Laboratory (LANL), Los Alamos, NM, lands is the pinon pine (Pinus edulis) tree. Pinon pine is used for firewood, fence posts, and building materials and is a source of nuts for food--the seeds are consumed by a wide variety of animals and are also gathered by people in the area and eaten raw or roasted. This study investigated the (1) concentration of {sup 3}H, {sup 137}Cs, {sup 90}Sr, {sup tot}U, {sup 238}Pu, {sup 239,240}Pu, and {sup 241}Am in soils (0- to 12-in. [31 cm] depth underneath the tree), pinon pine shoots (PPS), and pinon pine nuts (PPN) collected from LANL lands and regional background (BG) locations, (2) concentrations of radionuclides in PPN collected in 1977 to present data, (3) committed effective dose equivalent (CEDE) from the ingestion of nuts, and (4) soil to PPS to PPN concentration ratios (CRs). Most radionuclides, with the exception of {sup 3}H in soils, were not significantly higher (p < 0.10) in soils, PPS, and PPN collected from LANL as compared to BG locations, and concentrations of most radionuclides in PPN from LANL have decreased over time. The maximum net CEDE (the CEDE plus two sigma minus BG) at the most conservative ingestion rate (10 lb [4.5 kg]) was 0.0018 mrem (0.018 {micro}Sv). Soil-to-nut CRs for most radionuclides were within the range of default values in the literature for common fruits and vegetables.

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Medium: P; Size: 100 pages

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INIS; OSTI as DE00752387

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  • Other Information: PBD: 1 Jan 2000

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  • Report No.: LA-13693-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/752387 | External Link
  • Office of Scientific & Technical Information Report Number: 752387
  • Archival Resource Key: ark:/67531/metadc711769

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  • January 1, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 3, 2016, 12:55 p.m.

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Fresquez, P. R.; Huchton, J. D.; Mullen, M. A. & L. Naranjo, Jr. Pinon Pine Tree Study, Los Alamos National Laboratory: Source document, report, January 1, 2000; Los Alamos, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711769/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.