FINAL Solid Waste Management Unit B

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FINAL
Solid Waste Management Unit B-27
RCRA Facility Investigation Report

Prepared for:

Camp Stanley Storage Activity
Boerne, Texas

July 2002

Table of Contents

SECTION 1 Introduction

1.1 Background and Site Description

1.1.2 SWMU B-27

1.2 Site Environmental Setting

1.2.1 Site Soils and Topography

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

Appendices:

Appendix A - Analytical Results Summary - Surface Samples

Appendix A - Analytical Results Summary - Subsurface Samples

Appendix B - Soil Boring Logs

Appendix C - Evaluation of Data Quality Objectives Attainment

Appendix D - Data Verification Reports

List of Figures:

Figure B27-1 Site Location Map

Figure B27-2 Soils and Topographic Map

Figure B27-3 Geologic Setting

Figure B27-4 Sample Location Map

Figure B27-5 In-Phase Electromagnetic Data

Figure B27-6 Quadrature Phase Electromagnetic Data

List of Tables

Table B27-1 Summary of Chemical Constituents Detected in Surface Soil, March 2000

Table B27-2 Summary of Chemical Constituents Detected in Subsurface Soil and Rock, March 2000