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PUBLIC HEALTH ASSESSMENT

PORT HADLOCK DETACHMENT
NAVAL ORDNANCE CENTER,
PACIFIC DIVISION
INDIAN ISLAND, WASHINGTON
CERCLIS NO. WA4170090001

September 30, 1998

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

    Site Description and History
    Local Demographics
    Land Use and Natural Resources
    ATSDR Involvement
    Quality Assurance and Quality Control

EVALUATION OF ENVIRONMENTAL CONTAMINATION AND EXPOSURE PATHWAYS

    Introduction
    Consumption of Contaminated Shellfish Located Adjacent to Site 10 and Along Boggy Spit
    Consumption of Contaminated Shellfish Along the North-Northwestern Shores ofMarrowstone Island
    Consumption of Groundwater Potentially Impacted by Site 21

COMMUNITY HEALTH CONCERNS

ATSDR CHILD HEALTH INITIATIVE

CONCLUSIONS

RECOMMENDATIONS/PUBLIC HEALTH ACTION PLAN

PREPARERS OF REPORT

REFERENCES

APPENDIX A Evaluation of Potential Public Health Hazards Associated with the 16 Port Hadlock Sites

APPENDIX B Glossary

APPENDIX C Public Comments on the Port Hadlock Public Health Assessment


LIST OF TABLES

Table 1: Exposure Pathways

Table 2: Analysis of Contaminants in Shellfish Adjacent to Site 10 and Along Boggy Spit (Past Scenario)

Table 3: Analysis of Contaminants in Shellfish Adjacent to Site 10 and Along Boggy Spit (Current Scenario)

Table 4: Analysis of Contaminants in Shellfish Collected Along the North-Northwestern Shores of Marrowstone Island (Past Scenario)

Table 5: Shellfish Data From The North/Northwestern Shores of Marrowstone Island; Collected By ATSDR in April 1998; Marrowstone Island, Washington

Table 6: Analysis of Contaminants in Shellfish Collected Along the North/Northwestern Shores of Marrowstone Island (Current Scenario)


LIST OF FIGURES

Figure 1: Area Map, Port Hadlock Detachment, Indian Island, Washington

Figure 2: Site Map, Port Hadlock Detachment, Indian Island, Washington

Figure 3: Location of Beaches in the Vicinity of Site 10, Port Hadlock Detachment, Indian Island, Washington

Figure 4: ATSDR's Exposure Evaluation Process

Figure 5: Site 10, Port Hadlock Detachment, Indian Island, Washington

Figure 6: 1987 and 1988 Shellfish Sampling Locations, Port Hadlock Detachment, Indian Island, Washington

Figure 7: RI/FS Shellfish Sampling Locations, Port Hadlock Detachment, Indian Island, Washington

Figure 8: April 1998 Shellfish Sampling Locations, Marrowstone Island, Washington

Figure 9: Site 21, Port Hadlock Detachment, Indian Island, Washington

Figure 10: Long Spit, Port Hadlock Detachment, Indian Island, Washington

Figure 11: Sediment Location #12, Port Hadlock Detachment, Indian Island, Washington

Figure 12: Shellfish Monitoring Locations




LIST OF ABBREVIATIONS

ATSDR Agency for Toxic Substances and Disease Registry
BEHP Bis(2-ethylhexyl)phthalate
EPA United States Environmental Protection Agency
IRP Installation Restoration Program
MRL Minimal Risk Level
MTCA Model Toxics Control Act (Washington State)
NPL National Priorities List
OB/OD Ordnance Burn/Ordnance Detonation Area
PAHs Polycyclic Aromatic Hydrocarbons
PCBs Polychlorinated Biphenyls
PHA Public Health Assessment
PHAP Public Health Action Plan
PPE Personal Protective Equipment
ppm Parts per million
RI/FS Remedial Investigation/Feasibility Study
RBC Risk-Based Concentration
RfD Reference Dose
ROD Record of Decision
SVOC Semivolatile Organic Compound
TPH Total Petroleum Hydrocarbons
UST Underground Storage Tank
VOC Volatile Organic Compound
WDOH Washington State Department of Health


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