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PRELIMINARY PUBLIC HEALTH ASSESSMENT

UNITED HECKATHORN
RICHMOND, CONTRA COSTA COUNTY, CALIFORNIA
EPA FACILITY ID: CAD981436363

April 16, 1992

Prepared by:

California Department of Health Services
Under Cooperative Agreement with the
Agency for Toxic Substances Disease Registry


TABLE OF CONTENTS

LIST OF TABLES AND FIGURES

SUMMARY

BACKGROUND

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

PATHWAYS ANALYSIS

PUBLIC HEALTH IMPLICATIONS

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTIONS

REFERENCES

PREPARERS OF REPORT

APPENDIX A: INHALATION OF CONTAMINANTED AIRBORNE DUST IN THE RESIDENTIAL NEIGHBORHOOD NEAR UNITED HECKATHORN
     CALCULATIONS OF INHALATION RISK IN RESIDENTIAL AREA

APPENDIX B: EXCESS RISKS ASSOCIATED WITH EATING FISH CAUGHT NEAR UNITED HECKATHORN

APPENDIX C: RESPONSES TO PUBLIC COMMENTS


List of Tables and Figures

Table 1. Airborne Contaminant Concentrations

Table 2. Concentration of airborne particles (ng/m3) from United Heckathorn for five sampling period, July 18 - August 8, 1989

Table 3. Organochloride Contaminants (ppm) in On-Site Upland Soil Samples at United Heckathorn

Table 4. Range of Total DDT-Equivalent Concentrations in On-Site Upland Soil Found at the United Heckathorn Site

Table 5. Organochloride Contaminants (ppm) in On-Site Samples of Embankment of Lauritzen Canal at United Heckathorn Site

Table 6. Off-site Airborne Contaminant Concentrations (ng/m3) at Southern End of Residential Area

Table 7. Organochloride Contaminants (ppm) in On-Site Sediments from the Lauritzen Canal at the United Heckathorn Site

Table 8. Off-Site Concentration of Metals in Lauritzen Canal Sediments at United Heckathorn Site

Table 9. Completed Exposure Pathways

Figure 1. Geographic Location of Site

Figure 2. United Heckathorn and LTRC Complex

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