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[SWMU B-5]

Final SWMU B-5 RCRA Facility Investigation/Closure Report - June 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU B-5

1.1.2.1   Site Description

1.1.2.2   Potential Sources of Contamination

1.1.2.3   Site Location

1.2   Site Environmental Setting

1.2.1   Site Soils and Topography

1.2.2   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

3.4   Certification

Appendices

Appendix A   Analytical Results Summary

Appendix B   Data Verification Reports

Appendix C   Evaluation of Data Quality Objectives Attainment

Figures

Figure B5-1   Site Location Map

Figure B5-2   Site Soils and Topographic Map

Figure B5-3   Geologic Setting

Figure B5-4   Sample Location Map

Figure B5-5   Electromagnetic Data In-Phase

Figure B5-6   Electromagnetic Data Quadrature Phase

Tables