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PUBLIC HEALTH ASSESSMENT

NORFOLK NAVAL BASE
(a/k/a SEWELLS POINT NAVAL COMPLEX)
NORFOLK, NORFOLK CITY COUNTY, VIRGINIA
EPA FACILITY ID: VA6170061463

September 16, 2002

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

EVALUATION OF ENVIRONMENTAL CONTAMINATION, EXPOSURE PATHWAYS, AND PUBLIC HEALTH IMPLICATIONS

COMMUNITY HEALTH CONCERNS

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

PUBLIC HEALTH ACTION PLAN

REFERENCES

TABLES

FIGURES

APPENDIX A: Evaluation of Potential Public Health Hazards at Sites Under Investigation at Naval Station Norfolk

APPENDIX B: Glossary

APPENDIX C: Exposure Evaluation


LIST OF TABLES

TABLE 1. Summary of Naval Station Norfolk Site Screening Areas and Areas of Concern

TABLE 2. Evaluation of Potential Exposure Pathways

TABLE 3. Volatile Organic Compounds Detected in Shallow Groundwater at Concentrations Exceeding Comparison Values, Camp Allen Landfill Area B

TABLE 4. Volatile Organic Compounds Detected in Deep Groundwater at Concentrations Exceeding Comparison Values, Camp Allen Landfill, Off-site Samples

TABLE 5. Contaminants Detected in Surface Water and Sediment Samples from Willoughby Bay at Concentrations Exceeding Comparison Values

TABLE 6. Summary of Contaminants that Exceed Risk-Based Concentrations in Fish and Shellfish Samples from Willoughby Bay

TABLE 7. Summary of Contaminants Detected in the Vicinity of the Camp Allen Elementary School


LIST OF FIGURES

FIGURE 1. Location of Naval Station Norfolk

FIGURE 2. Installation Restoration Program Sites at Naval Station Norfolk

FIGURE 3. Solid Waste Management Units at Naval Station Norfolk

FIGURE 4. ATSDR's Exposure Evaluation Process

FIGURE 5. Camp Allen Landfill and Vicinity

FIGURE 6. Camp Allen Landfill Area B


LIST OF ABBREVIATIONS
AOC area of concern
AS/SVE air sparging/soil vapor extraction
ATSDR Agency for Toxic Substances and Disease Registry
B2EHP bis(2-ethylhexyl)phthalate
CAA Clean Air Act
CDC Centers for Disease Control and Prevention
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act
CREG cancer risk evaluation guide
CSF cancer slope factor
CV comparison value
1,1-DCE 1,1-dichloroethene
1,2-DCA 1,2-dichloroethane
1,2-DCE 1,2-dichloroethene
EMEG environmental media evaluation guide
EPA U.S. Environmental Protection Agency
FFA Federal Facilities Agreement
FS feasibility study
IRP Installation Restoration Program
LOAEL lowest observed adverse effect level
LTHA lifetime health advisory
MCL maximum contaminant level
mg/kg milligrams per kilogram
mg/kg/day milligrams per kilogram per day
MRL minimal risk level
N/A not applicable
NM naval magazine
NOAEL no observed adverse effect level
NPDES National Pollutant Discharge Elimination System
NPL National Priorities List
NSN Naval Station Norfolk
OU operable unit
PAH polycyclic aromatic hydrocarbon
PCB polychlorinated biphenyl
PCE tetrachloroethylene (also known as perchloroethylene or PERC)
pCi/g picoCuries per gram
pCi/L picoCuries per liter
PHAP public health action plan
RAB restoration advisory board
RBC risk-based concentration
RCRA Resource Conservation and Recovery Act
RfD reference dose
RI remedial investigation
RMEG reference dose media evaluation guide
ROD record of decision
RRR relative risk ranking
SDWA Safe Drinking Water Act
SSA site screening area
SVOC semi-volatile organic compound
SWMU solid waste management unit
1,1,1-TCA 1,1,1-trichloroethane
1,2,2-TCA 1,1,2-trichloroethane
TCE trichloroethylene
µg/dL micrograms per deciliter
µg/L micrograms per liter
µg/m3 micrograms per cubic meter
UST underground storage tank
VDEQ Virginia Department of Environmental Quality
VDOH Virginia Department of Health
VDSS Virginia Department of Health's Division of Shellfish Sanitation
VOC volatile organic compound
VMRC Virginia Marine Resources Commission


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