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PUBLIC HEALTH ASSESSMENT

CLEBURN STREET WELL SITE
GRAND ISLAND, HALL COUNTY, NEBRASKA
CERCLIS NO. NED981499312

March 26, 1997

Prepared by

U.S. Department of Health and Human Services
Public Health Service
Agency for Toxic Substances and Disease Registry
Division of Health Assessment and Consultation
Atlanta, Georgia


TABLE OF CONTENTS

LIST OF TABLES

LIST OF FIGURES

SUMMARY

BACKGROUND

    A. Site Description and History
    B. Site Visit
    C. Demographics, Land Use, and Natural Resource Use
    D. Health Outcome Data

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

    A. On-Site Contamination
    B. Off-Site Contamination
    C. Toxic Chemical Release Inventory (TRI) Review
    D. Quality Assurance and Quality Control
    E. Physical and Other Hazards

PATHWAYS ANALYSES

    A. Completed Exposure Pathways
    B. Potential Exposure Pathways

PUBLIC HEALTH IMPLICATIONS

    A. Toxicological Evaluation
    B. Health Outcome Data Evaluation
    C. Community Health Concerns Evaluation

CONCLUSIONS

RECOMMENDATIONS

PREPARERS OF REPORT

REFERENCES

APPENDIX A - FIGURES



LIST OF TABLES

Table 1.Contaminant Concentrations in Soil (various depths)
Table 2.Contaminant Concentrations in Groundwater from Monitoring Wells
Table 3.Contaminant Concentrations in Pine Street Well, Cleburn Street Well(before taken off-line in 1986), and Lincoln Street Well (before taken off-line in 1995)
Table 4.Contaminant Concentrations in Cleburn Street Well (after taken off-line in 1986)
Table 5.Contaminant Concentrations in Municipal Water Supply Reservoirs (PineStreet Reservoir)
Table 6.Contaminant Concentrations in Standing Water in Underground TrafficLight Control Box
Table 7.Completed Exposure Pathways
Table 8.Potential Exposure Pathways
Table 9.Estimated Population for Completed Exposure Pathways
Table 10.Estimated Population for Potential Exposure Pathways
Table 11.Comparison of Estimated Exposed Dose to Health Guidelines forMunicipal Water System Users
Table 12.Total Cancer Incidence (1987-1989) and Cancer Mortality Rates (1985-1989) for Colon/Rectal and Bladder Cancers in Hall County, State ofNebraska, and United States (1987)
Table 13.Total Cancer Incidence (1987-1990) and Cancer Mortality Rates (1986-1990) for Liver/Gallbladder Cancer and Combined Cancer Sites in HallCounty, State of Nebraska, and United States (1987)



LIST OF FIGURES

Figure 1. Site Location

Figure 2. Site Area Map

Figure 3. Soil-Gas Investigation

Figure 4. Soil Boring Locations

Figure 5. Monitoring Well Locations

Figure 6. RI Phase III Soil Probe and Monitoring Well Locations

Figure 7. PCE Concentrations in Shallow "A" Wells

Figure 8. PCE Concentrations in Deep "B" Wells


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