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PUBLIC HEALTH ASSESSMENT

FORT ORD
MARINA, MONTEREY COUNTY, CALIFORNIA
CERCLIS NO. CA7210020676

September 24, 1996

Prepared by the

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


TABLE OF CONTENTS

LIST OF FIGURES

LIST OF TABLES

ACRONYMS

SUMMARY

INTRODUCTION

    General Information
    Quality Assurance and Quality Control
    Exposure Evaluation Process

BACKGROUND

    Site Visits and Community Concerns Identified
    Site Description
    Site History
    Local Demographics

COMMUNITY HEALTH CONCERNS & POTENTIAL PATHWAYS OF EXPOSURE

    Groundwater
      Discussion
        Groundwater Hydrology and Groundwater Use
        Source of Groundwater Contamination
        Drinking water well quality
          Fort Ord - Current and future drinking water quality
          Marina Coast Water District - Current and future drinking water quality
          Past Drinking Water Contamination
          Fort Ord - Past drinking water quality
          Marina Coast Water District, California - Past drinking water quality
          Private wells
    UXO/OE
      Discussion
    CAIS
      Discussion
    Stormwater Outfalls
      Discussion
    Offshore UXO
      Discussion
    Lead in the Beach Ranges
      Discussion

CONCLUSIONS

PUBLIC HEALTH ACTIONS

PREPARERS OF REPORT

REFERENCES

APPENDICES

    Appendix A: Land Use Descriptions
    Appendix B: ATSDR Public Health Hazard Conclusion Categories
    Appendix C: Public Comments on the Fort Ord Public Health Assessment

LIST OF FIGURES

Figure 1 - Site Location

Figure 2 - Fort Ord Base Reuse Plan

Figure 3 - Fort Ord Demographics

Figure 4 - Geologic Cross-section of Aquifers in the Fort Ord Area

Figure 5a - Fort Ord Location Map

Figure 5b - Drinking Water Well Locations, Landfills, Streets

Figure 6 - Fort Ord Suspected Ordnance Contamination

Figure 7 - Schematic Profile of Fort Ord Water Distribution System

Figure 8 - Time Critical Removal Actions


LIST OF TABLES

Table 1 - Population Data, Monterey County

Table 2 - Population Data, Marina and Seaside

Table 3 - Housing Data, Marina and Seaside

Table 4 - Housing Data, Monterey County

Table 5 - Historical Summary of all Contaminant Detections in Fort Ord wells

Table 6 - Historical Summary of All Contaminant Detections in Marina wells

Table 7 - Fort Ord Closed Wells

Table 8 - Potential cancer risk associated with human ingestion of Fort Ord drinking water assuming "worst-case" (maximum-case) and "possible-case" conditions

Table 9 - Potential non-cancer risk associated with human ingestion of Fort Ord drinking water assuming "worst-case" conditions


List of Acronyms
ATSDR Agency for Toxic Substances and Disease Registry
BGS below ground surface
BLM Bureau of Land Management
BRAC Base Realignment and Closure
BRP Base Reuse Plan
CAIS Chemical Agent Identification Sets
CDC Centers for Disease Control and Prevention
CDHS California Department of Health Services
CE Corps of Engineers
CERCLA Comprehensive Environmental Response, Compensation, and Liability Act
CREG Cancer Risk Evaluation Guideline
CRL Certified Reporting Limit
DEH Directorate of Engineering and Housing
DOD Department of Defense
EE/CA Engineering Evaluation/Cost Analysis
EMEG Environmental Media Evaluation Guide
EOR Explosive Ordnance Reconnaissance
EPA Environmental Protection Agency
FFA Federal Facilities Agreement
FO-SVA Fort Ord-Salinas Valley Aquiclude
HARP Health Activities Recommendation Panel
HLA Harding-Lawson Associates
LTHA Lifetime Health Advisory for drinking water
MCL Maximum Contaminant Level
MCHD Monterey County Health Department
MCWD Marina County Water District
NaCl Sodium Chloride
NCEH National Center for Environmental Health
NPL National Priority List
OE Ordnance and Explosives
PCE Tetrachloroethylene
PHAP Public Health Action Plan
POM Presidio of Monterey
ppb parts per billion
RAB Restoration Advisory Board
RWQCB Regional Water Quality Control Board
SARA Superfund Amendments and Reauthorization Act
1,1,1-TCA 1,1,1-Trichloroethane
TCE Trichloroethylene
TCRAs Time Critical Removal Actions
VOC Volatile Organic Compound
ug/dL micrograms per deciliter
USACDP US Army Chemical Demilitarization Program
UXO Unexploded Ordnance

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