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[SWMU B-7]

SWMU B-7 Final RCRA Facility Investigation/Closure Report -- July 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU B-7

1.2   Site Environmental Setting

1.2.1   Site Soils and Topography

1.2.2    Site Geology

1.2.3    Hydrology

1.2.4   Cultural Resources

1.2.5   Potential Receptors

1.3   Previous Investigations

1.4   Closure Standard

Section 2 - Field Investigation

2.1   Field Actions

2.1.1   Geophysical Survey

2.1.2   Soil Gas Survey Samples

2.1.3   Surface Soil Samples

2.1.4   Subsurface Soil Samples

2.1.5   Surface Waste Removal

2.1.6   Groundwater Samples

2.2   Results and Comparisons

2.2.1   Geophysical Survey

2.2.2   Soil Gas Survey Samples

2.2.3    Surface Soil Samples

2.2.4   Subsurface Soil Samples

2.2.5   Groundwater Samples

2.2.6   Surface Waste Removal

Section 3 - Conclusions and Recommendations

3.1   Conclusions

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Recommendations

3.4   Certification

Appendices

Appendix A   Analytical Results Summary

Appendix B   Data Verification Report

Appendix C   Evaluation of Data Quality Objectives Attainment Table

Figures

Figure B7-1   Site Location Map

Figure B7-2   Soils and Topographic Map

Figure B7-3   Geologic Setting

Figure B7-4   Sample Location Map

Tables

Table B7-1 SWMU B7 Summary of Detected Constituents