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PUBLIC HEALTH ASSESSMENT

IOWA ARMY AMMUNITION PLANT
MIDDLETOWN, IOWA
CERCLIS NO. IA7213820445

December 28, 1999

Prepared by:

Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry


TABLE OF CONTENTS

LIST OF TABLES

LIST OF FIGURES

LIST OF ABBREVIATIONS

SUMMARY

BACKGROUND

    Installation Description and History
    Remedial and Regulatory History
    Demographics and Land Use
    ATSDR Activities
    Quality Assurance and Quality Control

EVALUATION OF ENVIRONMENTAL CONTAMINATION AND POTENTIALEXPOSURE PATHWAYS

    Introduction
    Concern: Groundwater
    Concern: Surface Water
    Concern: Soil and Sediment
    Concern: Other Public Health Concerns

COMMUNITY HEALTH CONCERNS

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

PUBLIC HEALTH ACTION PLAN

    Completed Groundwater Actions
    Completed Surface Water Actions
    Completed Soil and Sediment Actions
    Ongoing/Planned Groundwater Actions
    Ongoing/Planned Surface Water Actions
    Ongoing/Planned Soil and Sediment Actions

PREPARERS OF REPORT

REFERENCES

APPENDICES

    APPENDIX A: Evaluation of Potential Public Health Hazards Associated With the RI/FS Sites at Iowa Army Ammunition Plant

    APPENDIX B: Estimates of Human Exposure Dose and Determination of Health Effects from Past Consumption of RDX-Contaminated Groundwater

    APPENDIX C: Comparison Values

    APPENDIX D: Glossary

    APPENDIX E: Responses to Public Comments


LIST OF TABLES

Table 1 RI Groundwater Results

Table 2 Summary of Exposure Pathways at Iowa Army Ammunition Plant


LIST OF FIGURES

Figure 1 Area Map, Iowa Army Ammunition Plant, Iowa

Figure 2 Iowa Army Ammunition Plant, Iowa

Figure 3 ATSDR's Exposure Evaluation Process

Figure 4 Locations of Production and Monitoring Wells,Iowa Army Ammunition Plant, Iowa

Figure 5 Locations of Suspected Groundwater Plumes, Iowa Army Ammunition Plant, Iowa

Figure 6 Locations of the 44 PA/SI Sites, Iowa Army Ammunition Plant, Iowa




LIST OF ABBREVIATIONS

AEC U.S. Atomic Energy Commission
ATSDR Agency for Toxic Substances and Disease Registry
CAMU Corrective Action Management Unit (also known as Trench 7)
EPA U.S. Environmental Protection Agency
FFA Federal Facility Agreement
FS feasibility study
HAL health advisory limit
IAAAP Iowa Army Ammunition Plant
LAP load, assemble, and pack
MCL EPA's maximum contaminant level
NPDES National Pollutant Discharge Elimination System
NTC non-time critical
OU operable unit
PA/SI preliminary assessment/site investigation
PHAP Public Health Action Plan
ppb parts per billion
ppm parts per million
RAB Restoration Advisory Board
RCRA Resource Conservation and Recovery Act Hazardous and Solid Waste Amendments
RDX hexahydro-1,3,5-trinitro-1,3,5-triazine
RI remedial investigation
SVOC semi-volatile organic compound
TNT trinitrotoluene
VOC volatile organic compound


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