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[SWMU DD Index]

Final SWMU Demo Dud Area (DD) Area RCRA Facility Investigation Report, May 2002

Table of Contents

Section 1 - Introduction

1.1   Background and Site Description

1.1.1   CSSA

1.1.2   SWMU DD Area

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   Soil Gas Survey

2.1.2   UXO Clearance and Magnetometer Survey

2.1.3   Subsurface Soil Samples

2.1.4   Groundwater Samples

2.1.5   Surface Soil Samples

2.1.6   Soil Stockpile Disposition Samples

2.2   Results and Comparisons

2.2.1   Soil Gas Survey

2.2.2   UXO Clearance and Magnetometer Survey

2.2.3   Subsurface Soil Samples

2.2.4   Groundwater Samples

2.2.5   Surface Soil Samples

2.2.6   Soil Stockpile Disposition Samples

Section 3 - Conclusions and Recommendations

3.1   Conclusions

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Recommendations

Appendices

Appendix A   Soil Boring Logs

Appendix B   Summary of Recovered uxo Items

Appendix C   Analytical Results

Appendix D   Evaluation of Data Quality Objectives Attainment

Appendix E   Data Verification Reports

Appendix F   Site Photographs

Figures

Figure DD-1   Site Location Map

Figure DD-2   Soils and Topographic Map

Figure DD-3   Geologic Setting

Figure DD-4   Sample Location Map

Tables

Table DD-1   Summary of Detected Constituents in Soils and Rock, March 2000

Table DD-2   Summary of Chemical Constituents Detected in Sifted Soils

Table DD-3   Summary of Metals Levels above Background in Sifted Soil