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[AOC 38 Table of Contents]

Final AOC-38 Closure Report, September 2004

Table of Contents

Section 1 - Introduction

1.1   Closure Standard

1.2   Background and Site Description

1.2.1   CSSA

1.2.2   AOC-38

1.2.2.1   Site Description

1.2.2.2   Potential Sources of Contamination

1.2.2.3   Site Location

1.3   Site Environmental Setting

1.3.1   Site Soils and Topography

1.3.2   Geology

1.3.3   Hydrology

1.3.4   Cultural Resources

1.3.5   Potential Receptors

1.4   Previous Investigations

1.4.1   Geophysical Survey

1.4.2   Soil Gas Survey

1.4.3   Surface Soil Samples

Section 2 - Closure Field Activities

Section 3 - Conclusions and Closure Certification

3.1   Conclusions and Recommendations

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Closure Certification

Appendices

Appendix A   Evaluation of Data Quality Objectives Attainment

Figures

Figure AOC38-1   Site Location Map

Figure AOC38-2   Soils and Topographic Map

Figure AOC38-3   Geologic Setting

Figure AOC38-4   Soil Gas Survey Sample Location and Geophysical Anomaly Map

Figure AOC38-5   Soil Sample Location and PCE Soil Gas Contour Map

Figure AOC38-6   AOC-38 Site Location Map

Figure AOC38-7   AOC-38 Aerial Photographs

Figure AOC38-8   AOC-38 Sample and Geophysical Anomaly Location Map, with PCE Soil Gas Contours