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PUBLIC HEALTH ASSESSMENT

NAVAL SURFACE WARFARE CENTER
INDIAN HEAD DIVISION (NSWC-IHDIV)
(a/k/a INDIAN HEAD NAVAL SURFACE WARFARE CENTER)
INDIAN HEAD, CHARLES COUNTY, MARYLAND
CERCLIS NO. MD7170024684

January 2, 1998

Prepared by:

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


TABLE OF CONTENTS

ACRONYMS, ABBREVIATIONS, AND GLOSSARY

SUMMARY

BACKGROUND

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

    I. Public Health Hazard: Exposure to Residential Sources of Lead

      Public Health Action Plan

    II. Potential Health Hazards

      A. Mercury in Buildings 101 and 102
        A.1. Past Exposure to Mercury in Buildings 101 and 102
                Public Health Action Plan
        A.2. Potential for "Take Home" Mercury Contamination
                Public Health Action Plan
        A.3. Future Use of Buildings 101 and 102

      B. Fish in Mattawoman and Chicamuxen Creeks

        Public Health Action Plan

    III. No Public Health Hazard: Drinking Water Supply
              Public Health Action Plan

COMMUNITY HEALTH CONCERNS

HEALTH OUTCOME DATA

PREPARERS OF THIS REPORT

REFERENCES

APPENDICES


LIST OF TABLES

TABLE 1. Summary of ATSDR's Public Health Conclusions for NSWC-IHDIV

TABLE 2. Public Health Hazard Situation: Residential Lead

TABLE 3. Potential Public Health Hazard Situation: Mercury in Buildings 101 and 102

TABLE 4a. No Apparent Public Health Hazard Situation: Fish Consumption

TABLE 4b. Potential Public Health Hazard Situation: Fish Consumption

TABLE 5. Maximum whole body concentrations of total mercury, cadmium, and zinc (mg/kg WW) in fish collected from Mattawoman Creek (1987-1991) compared with EPA Risk-Based Concentration values.

TABLE 6. No Public Health Hazard: Drinking Water Supply


LIST OF FIGURES

FIGURE 1. Site Location Map


LIST OF APPENDICES

APPENDIX A: Population and Housing Data; Census Tract Map

APPENDIX B: Summary of Site Evaluations

APPENDIX C: Public Health Assessment Conclusion Categories

APPENDIX D: Application, to the NSWC-IHDIV soil data set, of the algorithm relating soil lead concentrations to potential increases in blood lead levels

APPENDIX E: ATSDR Public Health Statement on Mercury


ACRONYMS, ABBREVIATIONS, AND GLOSSARY
adverse health effectsnegative or unwanted effects on the health of an individual; for example, effects may include a specific illness or a general decrease in the overall health of a person

ATSDRAgency for Toxic Substances and Disease Registry

aquifera geologic (rock) formation through which groundwater moves and that is capable of producing water in sufficient quantities for a well

bioaccumulationthe process by which plants or animals retain chemical pollutants in their tissues at levels greater than in the environment in which they live

CDCCenters for Disease Control and Prevention

CERCLISComprehensive Environmental Response Compensation and Liability Information System

conduita natural or artificial channel through which materials such as fluids are transported; for example, a water well

DODDepartment of Defense

EPAEnvironmental Protection Agency

groundwaterwater beneath the earth's surface in the spaces between soil particles and in rock

ingestioneating and drinking; for example, children eating lead paint chips or swallowing lead in dust due to chewing and sucking activity on hands and toys

HUDHousing and Urban Development (Department of)

IRPInstallation Restoration Program (Department of Defense)

medical monitoringa set of medical tests and physical exams specifically designed to evaluate whether an individual is being exposed to a particular chemical at concentrations that could negatively affect that person's health

mercury vapormercury is a liquid metal that becomes an odorless, colorless gas (or vapor), which can be inhaled, at ordinary room temperatures

migrationmoving from one location to another

mg/m3milligrams per cubic meter; a measure of theconcentration of a chemical in a known amount (a cubicmeter) of soil

mg/kg WWmilligrams per kilogram of wet weight; a measure of theconcentration of a chemical in a known amount (a kilogram) offish tissue which has not been dehydrated prior to making themeasurement.

munitionsexplosive military items; for example, grenades and bombs

NPLNational Priorities List (of Superfund sites)

NSWC-IHDIVNaval Surface Warfare Center - Indian Head Division

ordnancemilitary supplies; for example, weapons, ammunition and vehicles

propellantsexplosives for forcing forward projectiles such as rockets

PbLead

PbBLead in blood

RCRAResource Conservation and Recovery Act

Remedial Investigationthe CERCLA process of determining the type and extent of hazardous material contamination at a site

solventa liquid capable of dissolving or dispersing another substance; for example, acetone or mineral spirits

surface waterwater flowing in ditches, creeks, and rivers or standing in lakes and ponds

µg/dLmicrograms per deciliter; a measure of the concentration of achemical in a known amount (deciliter) of liquid; for example, theconcentration of lead in a blood sample


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