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PUBLIC HEALTH ASSESSMENT

HANSCOM FIELD/HANSCOM AIR FORCE BASE
BEDFORD, MIDDLESEX COUNTY, MASSACHUSETTS
EPA FACILITY ID: MA8570024424

April 22, 2004

Prepared by:

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


TABLE OF CONTENTS

LIST OF FIGURES

LIST OF TABLES

LIST OF ABBREVIATIONS

SUMMARY

BACKGROUND

EVALUATION OF ENVIRONMENTAL CONTAMINATION AND POTENTIAL EXPOSURE SITUATIONS

COMMUNITY HEALTH CONCERNS

CHILD HEALTH CONSIDERATIONS

CONCLUSIONS

PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

REFERENCES

APPENDICES


LIST OF FIGURES

Figure 1. Area Map
Figure 2. IRP Sites at HF/HAFB
Figure 3. Demographics Within a One-Mile Radius of HF/HAFB


LIST OF TABLES

Table 1. Exposure Pathways evaluated at Hanscom Field/Hanscom Air Force Base
Table 2. IRP Sites at HAFB
Table 3. Contaminants Detected Above Comparison Values in Surface Soil at Sites 4 and 8
Table 4. Contaminants detected above Comparison Values in Surface Soil at Site 6
Table 5. Contaminants Detected Above Comparison Values in Shawsheen River Surface Water
Table 6. Contaminants Detected Above Comparison Values in Wetland Surface Water Surrounding Operable Unit 1
Table 7. Contaminants Detected Above Comparison Values in Elm Brook and Wetland Surface Water Surrounding IRP Site 4
Table 8. Contaminant Detected Above Comparison Values in Wetland Surface Water Surrounding Sites 6 and 21
Table 9. Contaminants Detected Above Comparison Values in Shawsheen River Sediments
Table 10. Contaminants Detected Above Comparison Values in Wetland Sediments
Table 11. Contaminants Detected Above Comparison Values in the Hartwell Road Production Wells
Table C-1. Exposure Doses for Soil Contaminants Greater than Comparison Values
Table C-2. Exposure Doses for Surface Water Chemicals Greater than Comparison Values
Table C-3. Exposure Doses for Sediment Contaminants Greater than Comparison Values
Table C-4. Exposure Doses for Contaminants in Hartwell Road Production Wells Greater than Comparison Values


LIST OF ABBREVIATIONS

AST aboveground storage tank
ATSDR Agency for Toxic Substances and Disease Registry
bgs below ground surface
BTEX benzene/toluene/ethylbenzene/xylene
CEL cancer effect level
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act
CREG cancer risk evaluation guide (ATSDR)
CV comparison value
DCE dichloroethylene
DDT dichlorodiphenyltrichloroethane
DEP Massachusetts Department of Environmental Protection
EMEG environmental media evaluation guide (ATSDR)
EPA U.S. Environmental Protection Agency
ESC Electronic Systems Center
FAA Federal Aviation Administration
FDA U.S. Food and Drug Administration
HAFB Hanscom Air Force Base
HF Hanscom Field
HF/HAFB Hanscom Field/Hanscom Air Force Base
IRA interim removal action
JP-4 jet propellant 4
LNAPL light non-aqueous phase liquid
LOAEL lowest-observed-adverse-effect level
Massport Massachusetts Port Authority
MCL maximum contaminant level (EPA)
MCP Massachusetts Contingency Plan
mg/kg/day milligram per kilogram per day
MRL minimal risk level (ATSDR)
msl mean sea level
MWRA Massachusetts Water Resources Authority
NFA no further action
NIOSH National Institute for Occupational Safety and Health
NPDES National Pollutant Discharge Elimination System
NPL National Priorities List
OSHA Occupational Safety and Health Administration
OU operable unit
ORC® Oxygen Release Compound®
PAH polycyclic aromatic hydrocarbons
PCB polychlorinated biphenyl
PHA public health assessment
PHAP public health action plan
ppb parts per billion
ppm parts per million
QAPP Quality Assurance Project Plan
RBC risk-based concentration (EPA)
RCRA Resource Conservation and Recovery Act
RfD reference dose (EPA)
RI Remedial Investigation
RMEG reference dose media evaluation guide (ATSDR)
ROD Record of Decision
SVOC semi-volatile organic compound
TCE trichloroethylene
TPH total petroleum hydrocarbons
USAF U.S. Air Force
USGS U.S. Geological Survey
UST underground storage tank
VOC volatile organic compound
VPH volatile petroleum hydrocarbons


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