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[SWMU B-29]

SWMU B-29 Closure Report, February 2005

Section 1 - Introduction

1.1   Closure Standard

1.2   Background and Site Description

1.2.1   CSSA

1.2.2   SWMU B-29

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   Surface Soil Samples

1.4.3   Subsurface Soil Samples

Section 2 - Closure Activities

2.1   Excavation and Disposal

2.2   Confirmation Sampling

Section 3 - Conclusions and Closure Certification

3.1   Conclusions

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Closure Certification

Figures

Figure B29-1   Site Location Map

Figure B29-2   Soils and Topographic Map

Figure B29-3   Geologic Setting

Figure B29-4   Sample Location Map

Figure B29-5   In-Phase Electromagnetic Data

Figure B29-6   Quadrature Phase Electromagnetic Data

Figure B29-7   SWMU B-29 Site Location Map

Figure B29-8   SWMU B-29 Aerial Photographs

Figure B29-9   SWMU B-29 Geologic Setting

Figure B29-10   SWMU B-29 Sample Location Map

Tables

Table B29-1   Summary of Chemical Constituents Detected in Surface Soil, March 2000

Table B29-2   Summary of Chemical Constituents Detected in Subsurface Soil, March 2000

Table B29-3   SWMU B-29 Closure Confirmation Sampling Results

Appendices

Appendix A   Waste Manifests

Appendix B   Statistical Evaluation

Appendix C   Evaluation of Data Quality Objectives Attainment

Appendix D   Data Verification Report(s)

Appendix E   RFI Sampling Results