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Area of Concern 53 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   AOC-53

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   Geology

1.3.2   Hydrology

1.3.3   Cultural Resources

1.3.4   Potential Receptors

1.4   Previous Investigation Results

Section 2 - Closure Activities

2.1   Excavation and Disposal

2.2   Closure and Confirmation Sampling

Section 3 - Conclusions and Closure Certification

3.1   Conclusions and Recommendations

3.2   Evaluation of Data Quality Objectives Attainment

3.2   Closure Certification 

Appendices

Appendix A   Waste Manifests

Appendix B   Analytical Results Summary

Appendix C   Evaluation of Data Quality Objectives Attainment

Appendix D   Data Verification Reports

Appendix E   TIC Data

Figures

Figure AOC53‑1   AOC‑53 Site Location Map

Figure AOC53‑2   AOC‑53 Aerial Photographs

Figure AOC53‑3   Soils and Topographic Map

Figure AOC53‑4    Geologic Setting

Figure AOC53-5    AOC-53 Closure Sample Locations 

Tables

Table AOC53-1   AOC‑53 Confirmation Sampling Results