[CSSA Home]

Technical Memorandum on Soil Boring Investigation - Well 16 Source Characterization, June 1995

Table of Contents

Section 1 - Introduction

Section 2 - Investigation Procedures

2.1   Drilling and Sampling Procedures

2.2   Site Geology

2.3   Data Validation

2.4   Statistical Analysis of Background Soil/Rock Samples

2.4.1   Cadmium

2.4.2   Chromium

2.4.3   Lead

2.4.4   Nickel

2.5   TNRCC Comparison Criteria

2.5.1   Soils

2.5.2   Groundwater

Section 3 - SWMU Burn Area 1 (B-1)

3.1   Geology and Hydrogeology

3.2   Observed Waste Material in the Borings

3.3   Soil/Rock Analytical Results

3.4   Groundwater Analytical Results

3.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 4 - SWMU Burn Area 2 (B-2)

4.1   Geology and Hydrogeology

4.2   Observed Waste Material in the Borings

4.3   Soil/Rock Analytical Results

4.4   Groundwater Analytical Results

4.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 5 - SWMU Burn Area 3 (B-3)

5.1   Geology and Hydrogeology

5.2   Observed Waste Material in the Borings

5.3   Soil/Rock Analytical Results

5.4   Groundwater Analytical Results

5.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 6 - SWMU Burn Area 4 (B-4)

6.1   Geology and Hydrogeology

6.2   Observed Waste Material in the Borings

6.3   Soil/Rock Analytical Results

6.4   Groundwater Analytical Results

6.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 7 - SWMU Burn Area 19 (B-19)

7.1   Geology and Hydrogeology

7.2   Observed Waste Material in the Borings

7.3   Soil/Rock Analytical Results

7.4   Groundwater Analytical Results

7.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 8 - SWMU Burn Area 28 (B-28)

8.1   Geology and Hydrogeology

8.2   Observed Waste Material in the Borings

8.3   Soil/Rock Analytical Results

8.4   Groundwater Analytical Results

8.5   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 9 - SWMU Oxidation Pond (O-1)

9.1   Geology and Hydrogeology

9.2   Observed Waste Material in the Borings

9.3   Soil/Rock Analytical Results

9.4   Groundwater Analytical Results

9.5   Surface Water Analytical Results

9.6   Comparison with Statistical Background Metals and Risk-Based Closure Criteria

Section 10 - Summary of Results

10.1   Geology and Hydrogeology

10.2   Conclusions

Section 11 - References (see Bibliography)

Appendix A   Soil Boring Logs

Appendix B   Data Validation Report

Appendix C   Qualified Analytical Data (not available electronically)

Appendix D   Statistical Methodology