PUBLIC HEALTH ASSESSMENT
TRACY DEFENSE DEPOT
(a/k/a DEFENSE DISTRIBUTION REGION WEST TRACY ARMY)
TRACY, SAN JOAQUIN COUNTY, CALIFORNIA
CERCLIS NO. CA4971520834
September 2, 1998
Prepared by:
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
EVALUATION OF ENVIRONMENTAL CONTAMINATION
AND POTENTIAL EXPOSURE PATHWAYS
COMMUNITY/PUBLIC HEALTH CONCERNS
APPENDIX B: List of Comparison Values
APPENDIX C: Estimated Exposures and Health Effects
APPENDIX D: Responses to Public Comments
Table 1. Operable Units
Table 2. Exposure Pathways Table
Table 3. Contaminant Concentrations in DDJC Tracy Water Supply Wells
Table 4. Contaminant Concentrations in Off-Site Private Wells (Domestic Use)
Table 5. Contaminant Concentrations in Off-Site Agricultural Wells
Table 6. Contaminant Concentrations in Day Care Center Surface Soil
Table 7. Contaminant Concentrations in On-Site Surface Soil
Figure 1. Area Map
Figure 2. Site Map
Figure 3. Demographics in a 1-Mile Buffer Around DDJC Tracy
Figure 4. ATSDR's Exposure Evaluation Process
Figure 5. VOC Plume associated with OU 1
