PUBLIC HEALTH ASSESSMENT

MEMPHIS DEFENSE DEPOT (DEFENSE LOGISTICS AGENCY)
(a/k/a USA DEFENSE DEPOT MEMPHIS)
MEMPHIS, SHELBY COUNTY, TENNESSEE
EPA FACILITY ID: TN4210020570

November 14, 2000

Prepared by:

Superfund Site Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry

TABLE OF CONTENTS

SUMMARY

SITE HISTORY AND BACKGROUND

Site History
FIGURE 1 - DDMT VICINITY
FIGURE 2 - DDMT MAIN FACILITY
FIGURE 3 - DUNN FIELD
FIGURE 4 - DEMOGRAPHICS MAP
Demographics
Information Provided to the Public
Public Concern about DDMT
ATSDR Activities

CURRENT CONDITIONS OF SITE

Introduction
Evaluation of Dunn Field Data
Table 1 - Soil Contaminants in Dunn Field Surface Soil
Evaluation of Main Facility Data
Table 2 - Top Soil Contaminants
Evaluation of Residential Areas around DDMT
FIGURE 5 - SURFACE WATER DRAINAGES
Table 3 - Comparison of BRAC¹/RI², SS³, and DDMT Area Soil Means
Table 4 - Comparison of Perimeter And Off Site Soil Means
Evaluation of Health Outcome Data

COMMUNITY HEALTH CONCERNS

CONCLUSIONS

ATSDR CHILD HEALTH INITIATIVE

PUBLIC HEALTH ACTIONS

Completed Public Health Actions
Planned Public Health Actions

PUBLIC COMMENTS

PREPARER OF REPORT

REFERENCES

APPENDICES

APPENDIX A - PARAMETERS TESTED
APPENDIX B - EXPLANATION OF EVALUATION PROCESS
APPENDIX C - EXPLANATION OF COMPARISON VALUES
APPENDIX D - CALCULATION OF ESTIMATED EXPOSURE DOSES
Calculation of Exposure Dose from Ingestion of Contaminated Soil
Calculation of Risk of Carcinogenic Effects
Table D1 - Estimated Exposure Doses and Cancer Risk for Dunn Field Soil Contaminants
Table D2 - Estimated Exposure Doses and Cancer Risk for Soil Contaminants
APPENDIX E - CONTAMINANT TABLES
Table E1 - Contaminants in Dunn Field Sediment
Table E2 - Contaminants in Dunn Field Surface Water
Table E3 - Surface Soil Contaminants above a Comparison Value
Table E4 - Contaminants in Sediment Samples above a Comparison Value
Table E5 - Contaminants in Surface Water above a Comparison Value
Table E6 - Contaminants in Background Sediment
Table E7 - Contaminants in Background Surface Water
APPENDIX F - TOXICOLOGICAL EVALUATION
Possible Health Consequences of Chemicals found on Dunn Field
Possible Health Consequences of Chemicals found on DDMT Main Facility
APPENDIX G - CONTAMINANT MAPS
Figure G1 - Arsenic in Soil
Figure G2 - Dieldrin in Soil
Figure G3 - DDT in Soil
Figure G4 - Lead in Soil
Figure G5 - Benzo(a)pyrene Levels and Possible Worker Exposures
Figure G6 - Benzo(a)pyrene in Soil
Figure G7 - Arsenic in Sediment
Figure G8 - Benzo(a)pyrene in Sediment
Figure G9 - Arsenic in Surface Water
Figure G10 - Dieldrin in Surface Water
APPENDIX H - ANALYSIS OF SURFACE WATER PATHWAY
APPENDIX I - PUBLIC COMMENTS
Comments Received During Two Public Meetings
Comments Received in Writing from the Public
Comments from Howard University
Comments from Tennessee Department of Environment and Conservation
Comments from the Department of Defense
APPENDIX J - GLOSSARY OF TERMS

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