EAST MULTNOMAH COUNTY GROUND WATER CONTAMINATION
GRESHAM, MULTNOMAH COUNTY, OREGON
CERCLIS NO. ORD987185030
July 14, 1995
Prepared by
U.S. Department of Health and Human Services
Public Health Service
Agency for Toxic Substances and Disease Registry
Atlanta, Georgia
Table of Contents
ENVIRONMENTAL CONTAMINATION AND OTHER HAZARDS
Appendix 1 - Figures 1, 2, 3, 4, and 5
Appendix 2 - Community Relations Plan East Multnomah County Groundwater Contamination Site
Appendix 3 - Health Comparison Values
Appendix 4 - Tables of the Environmental Contaminants at the Proposed East Multnomah County Groundwater Contamination Priorities List Site
Appendix 5 - Environmental Exposure Pathways, Tables 1 and 2
Appendix 6 - Estimated Exposure Doses
Appendix 7 - Response to Public Comments
List of Figures
Appendix 1, Figure 1 - Map of the Proposed East Multnomah County Groundwater Contamination National Priorities List Site, Multnomah County, Oregon
Appendix 1, Figure 2 - Map of the City of Portland Drinking Water Wells and the Approximate Extent of Contamination in the Troutdale Sandstone Aquifer, Multnomah County, Oregon
Appendix 1, Figure 3 - Map of the Approximate Extent of Groundwater Contamination at the Proposed East Multnomah County Groundwater Contamination National Priorities List Site, Multnomah County, Oregon
Appendix 1, Figure 4 - Cross Sectional View of the Groundwater Aquifers Underlying the Proposed East Multnomah County Groundwater Contamination National Priorities List Site, Multnomah County, Oregon
Appendix 1, Figure 5 - Population within East Multnomah Trichloroethylene Plumes
List of Tables
Appendix 4, Table 1 - Environmental Contaminants Detected Above Health Comparison Values at the Boeing Company Facility, Multnomah County, Oregon
Appendix 4, Table 2 - Environmental Contaminants Detected Above Health Comparison Values at the Cascade Corporation Facility, Multnomah County, Oregon
Appendix 4, Table 3 - Environmental Contaminants Detected Above Health Comparison Values at the Swift Adhesives Facility, Multnomah County, Oregon
Appendix 4, Table 4 - Environmental Contaminants Detected Above Health Comparison Values Downgradient of the Cascade Corporation and Boeing of Portland Facilities, Multnomah County, Oregon
Appendix 4, Table 5 - Environmental Contaminants Detected Above Health Comparison Values Downgradient of the Cascade Corporation Facility, Multnomah County, Oregon
Appendix 4, Table 6 - Environmental Contaminants Detected Above Health Comparison Values Downgradient of the Swift Adhesives Facility, Multnomah County, Oregon
Appendix 4, Table 7 - Environmental Contaminants Detected Above Health Comparison Values in Residential Wells, East Multnomah County Groundwater Contamination National Priorities List Site, Oregon
Appendix 5, Table 1 - Completed Environmental Exposure Pathways at the Proposed East Multnomah County Groundwater Contamination National Priorities List Site
Appendix 5, Table 2 - Potential Environmental Exposure Pathways at the Proposed East Multnomah County Groundwater Contamination National Priorities List Site
Appendix 6, Table 1 - Comparison of Estimated Exposure Dose to Health Guidelines for Ingestion or Inhalation
