[SWMU B-12]

SWMU B-12 RCRA Facility Investigation/Closure Report, April 2005

Table of Contents

Section 1 - Introduction

1.1   Closure Standard

1.2   Background and Site Description

1.2.1   CSSA

1.2.2   SWMU B-12   Site Description   Potential Sources of Contamination   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 and Recommendations

3.2   Evaluation of Data Quality Objectives Attainment

3.3   Closure Certification


Figure B12-1   Site Location Map

Figure B12-2   Soils and Topographic Map

Figure B12-3   Geologic Setting

Figure B12-4   Sample Location Map

Figure B12-5   SWMU B-12 Site Location Map

Figure B12-6   SWMU B-12 Aerial Photographs

Figure B12-7   SWMU B-12 Sampling Locations


Table B12-1   Summary of Chemical Constituents Detected in Soil, March 2000

Table B12-2   SWMU B-12 Waste Characterization Sample Results

Table B12-3   SWMU B-12 Closure Confirmation Sampling Results


Appendix A   Analytical Results Summary

Appendix B   Waste Manifests

Appendix C   Evaluation of Data Quality Objectives

Appendix D   Data Verification Report(s)

Appendix E   RFI Sampling Reports