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[SWMU B-10]

Final RCRA Facility Investigation/Closure Report
Solid Waste Management Unit B-10, May 2003

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU B-10

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 Sampling

2.1.3   UXO Sweep

2.1.4   Waste Characterization Sampling

2.1.5   Waste Excavation and Soil Sampling

2.1.6   Soil Boring Sampling

2.1.7   Groundwater Sampling

2.2   Results and Comparisons

2.2.1   Geophysical Survey

2.2.2   Soil Gas Survey Sampling

2.2.3   UXO Sweep

2.2.4   Waste Characterization Sampling

2.2.5   Waste Excavation and Soil Sampling

2.2.6   Soil Boring Sampling

2.2.7   Groundwater Sampling

Section 3 - Conclusions and Recommendations

3.1   Conclusions

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Recommendations

3.4   Certification

Figures

Figure B10-1   Site Location Map

Figure B10-2   Soils and Topographic Map

Figure B10-3   Geologic Setting Figure

B10-4   1995 PCE Soil Gas Contour Map

Figure B10-5   Electromagnetic Data Quadrature Phase

Figure B10-6   Electromagnetic Data In-Phase

Figure B10-7   Waste Characterization Sample Locations

Figure B10-8   Sample Location Map

Figure B10-9   1996 PCE Soil Gas Map

Figure B10-10   Former PIMS Location

Tables

Table B10-1  Summary of Soil Gas Analytical Results (August 1996)

Table B10–2  Summary of TCLP Results for Waste Characterization Samples (December 1999, January 2000, and August 2000)

Table B10-3  Summary of Total Results for Waste Characterization Samples (August 2000)

Table B10-4  Summary of Chemical Constituents Detected in Soil (November 2000)

Appendices

Appendix A   Analytical Results Summary

Appendix B   Evaluation of Data Quality Objectives Attainment

Appendix C   Data Verification Report