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Title: Site characterization for explosivies contamination at a military firing range impact area
Authors: U.S. Army Environmental Center.
United States. Army. Corps of Engineers. Sacramento District.
University of New Hampshire. Dept. of Chemistry.
Science and Technology Corporation (Hampton, Va.)
Jenkins, Thomas F.
Walsh, Marianne E.
Thorne, Philip G.
Miyares, Paul H.
Ranney, Thomas A.
Grant, Clarence L.
Esparza, John R.
Keywords: Anti-tank ranges
Firing range
Soil pollution
Impact area
Spatial heterogeneity
Fort Ord (Calif.)
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 98-9.
Description: Special Report
Abstract: A study was conducted at the inland firing ranges at Fort Ord to determine the current levels of explosives residues and to recommend appropriate future site characterization techniques. A set of 280 soil samples was collected from depths ranging from 0–15 cm to 105–120 cm from anti-tank ranges 44 and 48. Sampling locations were selected on the basis of the locations of current and former targets, and included an area away from specific targets and a background area, not affected by local detonations. HMX was the explosives residue present at the highest concentration. Much lower concentrations of RDX, TNT, and two isomers of aminodinitrotoluene were also detected. Explosives residues were largely confined to surface soils near tank targets. A major problem for site characterization was found to be the large spatial heterogeneity present. Composite samples very effectively provided representative samples for 5- x 5-m size grids. A colorimetric on-site method gave reliable results for HMX, relative to SW846 Method 8330. No currently available on-site method for RDX was found to be adequate in the presence of much higher concentrations of HMX.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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