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
EVALUATION OF ENVIRONMENTAL CONTAMINATION AND POTENTIAL EXPOSURE PATHWAYS
Table 1 RI Groundwater Results
Table 2 Summary of Exposure Pathways at Iowa Army Ammunition Plant
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
| 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 |
