PUBLIC HEALTH ASSESSMENT
CORNHUSKER ARMY AMMUNITION PLANT
GRAND ISLAND, HALL COUNTY, NEBRASKA
EPA FACILITY ID: NE2213820234
September 30, 1992
Prepared by:
FEDERAL PROGRAMS BRANCH
DIVISION OF HEALTH ASSESSMENT AND CONSULTATION
AGENCY FOR TOXIC SUBSTANCES AND DISEASE REGISTRY
TABLE OF CONTENTS
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A. Site Description and History
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Load, Assemble and Pack (LAP) Facilities
Burning Grounds
Sanitary Landfill
Shop Area
Nitrate Area
Pesticide and Fertilizer Storage Areas
Pistol Range
Gravel and Clay Pit Area
Magazine Areas
Drainage Ditches
Sewage Treatment Plants
C. Demographics, Land Use, and Natural Resource Use
D. Health Outcome Data
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
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A. On-Site Contamination
B. Off-Site Contamination
C. Quality Assurance And Quality Control
D. Physical And Other Hazards
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A. Toxicological Evaluation
B. Health Outcome Data Evaluation
C. Community Health Concerns Evaluation
D. Summary of Public Health Implications
APPENDIX A. DEMOGRAPHIC INFORMATION
APPENDIX C. COMMENTS ON CORNHUSKER ARMY AMMUNITION PLANT PUBLIC HEALTH ASSESSMENT
TABLE 1. Designated Study Areas for the CAAP Institutional Restoration Program
TABLE 2. Impurities and breakdown products of RDX and TNT
TABLE 3. Soil Contamination Detected in LAP Area, Fall 1990
TABLE 4. Examples of Soil Contamination Detected in Study Areas, Fall 1990
TABLE 5. Comparison of Proposed Analytes to RDX and TNT Impurities and Breakdown Products*
TABLE 6. Summary of groundwater sampling for RDX/TNT (1982-1984), VOCs (1984-1987)
TABLE 8. Completed Exposure Pathway
TABLE 9. Potential Exposure Pathways
FIGURE 1. General Location of Cornhusker Army Ammunition Plant
FIGURE 2. Environmental Study Areas, Cornhusker Army Ammunition Plant
FIGURE 3. Soil Map of Hall County, Nebraska
