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[AOC 39 Table of Contents]

AOC 39 RFI/Closure Report, September 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   AOC 39

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   Geophysical Survey

1.3.2   Soil Gas Surveys

 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 B   Data Verification Reports

Appendix C   Evaluation of Data Quality Objectives Attainment

Figures

Figure AOC39-2   Soils and Topography Map

Figure AOC39-3   Geologic Setting

Figure AOC39-4   Sample Location Map

Figure AOC39-5   Surface Soil Sample Location and PCE Soil Gas Contour Map

Tables

Table AOC39-1   Summary of Detected Constituents