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[SWMU B-4 Table of Contents]

Final SWMU B-4 RCRA Facility Investigation Report, June 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU B-4

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

1.3.1   Surface Geophysical Survey

1.3.2   Soil Boring Sampling

1.3.3   Soil Gas Survey

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

2.2.4.1   Metals Results

2.2.4.2   VOC Results

2.2.4.3   SVOC Results

2.2.4.4   Explosives Results

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   Data Verification Reports

Appendix D   Evaluation of Data Quality Objectives Attainment

Figures

Figure B4-1   Site Location Map

Figure B4-2   Soils and Topographic Map

Figure B4-3   Geologic Setting

Figure B4-4   Sample Location Map

Tables

Table B4-1   Summary of Chemical Constituents Detected in Soil, March 1995

Table B4-2  Summary of Chemical Constituents Detected in Groundwater,
March 1995

Table B4-3  Summary of Chemical Constituents Detected in Soil, April 2000