PUBLIC HEALTH ASSESSMENT

OGDEN DEFENSE DEPOT
OGDEN, WEBER COUNTY, UTAH
CERCLIS NO. UT9210020922

September 30, 1992

Prepared by:

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

TABLE OF CONTENTS

SUMMARY

BACKGROUND

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

COMMUNITY HEALTH CONCERNS

ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS

A. On-Site Contamination
Soil
Surface Water
Sediment
Groundwater
Air
Food Chain
B. Off-Site Contamination
Soil
Groundwater
Other Potential Sources
C. Quality Assurance And Quality Control
D. Physical and Other Hazards
E. Environmental Contamination Summary

PATHWAYS ANALYSES

A. Completed Exposure Pathways
B. Potential Exposure Pathways

PUBLIC HEALTH IMPLICATIONS

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

CONCLUSIONS

RECOMMENDATIONS

PUBLIC HEALTH ACTIONS

PREPARERS OF THE REPORT

REFERENCES

FIGURES

APPENDIX

Comments on Defense Depot Ogden Utah Public Health Assessment

LIST OF TABLES

Table 1. Description of DDOU Study Areas

Table 2. DDOU Background Metals Concentrations in Soil

Table 3. DDOU Risk Assessment^* Contaminants of Concern For All Media

Table 4. DDOU Shallow Groundwater Contaminants Exceeding the Comparison Valueand their Highest Detected Concentration

Table 5. Pathway Analysis of Soil and Drum Remnant Contamination Associated WithBurial Site 1 on The Ogden Nature Center

Table 6. Pathway Analysis of Groundwater Contamination Associated with OUs 1-4

Table 7. Pathway Analysis of Potential Air Contamination Associated with Burial Site 4

LIST OF FIGURES

FIGURE 1. DDOU Location Map

FIGURE 2. DDOU Operable Unit and CSS Location Map

FIGURE 3. Waste Disposal Areas, Operable Units 1 and 3

FIGURE 4. Waste Disposal Areas, Operable Unit 2

FIGURE 5. Waste Disposal Areas, Operable Unit 4

FIGURE 6. Test Pit and Soil Boring Locations at OU 1

FIGURE 7. Soil Boring and Test Pit Location Map

FIGURE 8. Surface Waters at DDOU

FIGURE 9. Surface Waters near OU 1

FIGURE 10. Cis-1,2-DCE Groundwater Contamination at DDOU, OU 1

FIGURE 11. Cis-1,2-DCE Groundwater Contamination at DDOU, OU 2

FIGURE 12. Cis-1,2-DCE Groundwater Contamination at DDOU, OU 4

FIGURE 13. TCE Groundwater Contamination at DDOU, OU 2

FIGURE 14. Vinyl Chloride Groundwater Contamination, DDOU, OU 1

FIGURE 15. Vinyl Chloride Groundwater Contamination, DDOU, OU 4

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