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 |