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ATSDR - AIR FORCE PLANT #4 (GENERAL DYNAMICS), FORT WORTH, TARRANT COUNTY, TEXAS

PUBLIC HEALTH ASSESSMENT

U.S. AIR FORCE PLANT NO. 4 (GENERALDYNAMICS)
FORT WORTH, TARRANT COUNTY, TEXAS
CERCLIS NO.TX7572024605

July 1, 1998

Prepared by:

The Texas Department of Health
Under Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry


TABLE OF CONTENTS

LIST OF FIGURES

LIST OF TABLES

SUMMARY

    Indeterminate Public Health Hazard
    No Apparent Health Hazard
    No Public Health Hazard

INTRODUCTION

BACKGROUND

    A. Site Description and History
    B. ATSDR Involvement
    C. Demographics, Land Use and Natural ResourceUse

ENVIRONMENTAL CONTAMINATION /PATHWAYS ANALYSIS /
PUBLIC HEALTH IMPLICATIONS

    A. Introduction
    B. Indeterminate Public Health Hazard
      Evaluation of Possible Foodchain ExposurePathways
      Exposure Pathways Elements
    C. No Apparent Public Health Hazard
      Evaluation of Possible Sediment Exposure Pathways
      Evaluation of Possible Surface Water Exposure Pathways
      Evaluation of Possible Air Exposure Pathways
    D. No Public Health Hazard
      Evaluation of Possible Soil Exposure Pathways
      Evaluation of Possible Groundwater ExposurePathways

COMMUNITY HEALTH CONCERNS/HEALTHOUTCOME DATA

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTIONS

PREPARERS OF THE REPORT

CERTIFICATION

REFERENCES

OTHER DOCUMENTS REVIEWED AND NOTCITED

APPENDICES

    Appendix A Table 1
    Appendix B - Acronyms and Abbreviations
    Appendix C - Definitions
    Appendix D - Summary of No Further Action Sites at AirForce Plant

LIST OFFIGURES

Figure 1 - U.S. Air Force Plant 4 Site Location
Figure 2 - Identified Potential Areas of Concern
Figure 3 - USAF Plant 4-- ½ Mile RadiusDemographics
Figure 4 - USAF Plant 4-- Demographic Statistics Within OneMile of Site
Figure 5 - Flow Direction in the Regional PaluxyAquifer
Figure 6 - Estimated Boundaries of TCE Plume in AlluvialGroundwater (Terrace Alluvial Aquifer)
Figure 7 - Estimated Boundaries of TCE Concentrations in thePaluxy Upper Sand (East Paluxy Plume)
Figure 8 - Estimated Boundaries of TCE in the Regional PaluxyAquifer (West Paluxy Plume)


LIST OFTABLES

Table 1 Exposure Situations - U.S. Air Force Plant4
Table 2 Health Assessment Comparison (HAC) Values forVolatile Organic Contaminants in Sediment From Lake Worth
Table 3 Maximum Concentrations of Volatile OrganicCompounds Detected in
Surface Water From Meandering Road Creek in 1995

Table 4 Health Assessment Comparison Values For OrganicAir Contaminants - Air Force Plant 4



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