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[AOC 47 Table of Contents]

Final AOC 47 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   AOC 47

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 1   Site Location Map

Figure 2   Soils and Topographic Map 

Figure 3   Geologic Setting

Figure 4   Sample Location and Geophysical Survey Grid Map

Figure 5   In-Phase Electromagnetic Data

Figure 6   Quadrature-Phase Electromagnetic Data

Figure 7   Ground Penetrating Radar Profile 39

Figure 8   Ground Penetrating Radar Profile 42

Tables

Table 1   Summary of Chemical Constituents Detected in Surface Soils (June 2000)