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Final SWMU B-25 RCRA Facility Investigation Report, July 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU B-25

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   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

Section 3 - Conclusions and Recommendations

3.1   Conclusions

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Recommendations

Appendices

Appendix A   Analytical Results Summary

Appendix B   Soil Boring Logs

Appendix C   Evaluation of Data Quality Objectives Attainment

Appendix D   Data Verification Reports

Figures

Figure B25-1   Site Location Map

Figure B25-2 Soils and Topographic Map

Figure B25-3   Geologic Setting

Figure B25-4   Sample Location Map

Figure B25-5   In-Phase Electromagnetic Data

Figure B25-6   Quadrature Phase Electromagnetic Data

Tables

Table B25-1   Summary of Chemical Constituents Detected in Surface Soil, March 2000

Table B25-2   Summary of Chemical Constituents Detected in Subsurface Soil, March 2000