Biological assessments for the low energy demonstration accelerator, 1996 and 1997

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The Department of Energy (DOE) plans to build, install, and operate a Low Energy Demonstration Accelerator (LMA) in Technical Area 53 of the Los Alamos National Laboratory (LANL). LEDA will demonstrate the accelerator technology necessary to produce tritium, but is not designed to produce tritium at LANL. USFWS reviewers of the Biological Assessment prepared for LEDA insisted that the main drainage be monitored to measure and document changes to vegetation, soils, wildlife, and habitats due to LEDA effluent discharges. The Biology Team of ESH-20 (LANL`s Ecology Group) has performed these monitoring activities during 1996 and 1997 to document baseline conditions ... continued below

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67 p.

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Cross, S. December 31, 1998.

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Description

The Department of Energy (DOE) plans to build, install, and operate a Low Energy Demonstration Accelerator (LMA) in Technical Area 53 of the Los Alamos National Laboratory (LANL). LEDA will demonstrate the accelerator technology necessary to produce tritium, but is not designed to produce tritium at LANL. USFWS reviewers of the Biological Assessment prepared for LEDA insisted that the main drainage be monitored to measure and document changes to vegetation, soils, wildlife, and habitats due to LEDA effluent discharges. The Biology Team of ESH-20 (LANL`s Ecology Group) has performed these monitoring activities during 1996 and 1997 to document baseline conditions before LEDA released significant effluent discharges. Quarterly monitoring of the outfall which will discharge LEDA blowdown effluent had one exceedance of permitted parameters, a high chlorine discharge that was quickly remedied. Samples from 12 soil pits in the drainage area contained no hydric indicators, such as organic matter in the upper layers, streaking, organic pans, and oxidized rhizospheres. Vegetation transacts in the meadows that LEDA discharges will flow through contained 44 species of herbaceous plants, all upland taxa. Surveys of resident birds, reptiles, and amphibians documented a fauna typical of local dry canyons. No threatened or endangered species inhabit the project area, but increased effluent releases may make the area more attractive to many wildlife species, an endangered raptor, and several other species of concern. Biological best management practices especially designed for LEDA are discussed, including protection of floodplains, erosion control measures, hazards posed by increased usage of the area by deer and elk and revegetation of disturbed areas.

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67 p.

Notes

OSTI as DE98001667

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  • Other Information: PBD: [1998]

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  • Other: DE98001667
  • Report No.: LA-UR--97-3817
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/555248 | External Link
  • Office of Scientific & Technical Information Report Number: 555248
  • Archival Resource Key: ark:/67531/metadc696035

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  • December 31, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • May 5, 2016, 6:19 p.m.

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Cross, S. Biological assessments for the low energy demonstration accelerator, 1996 and 1997, report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc696035/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.