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Electrokinetic Test Report for SWMU O-1

Appendix A - O-1 Treatability Study

Lynntech Inc. Final Technical Report, Table of Contents

Preface

Summary

  1. Introduction

  1. Electrokinetic Soil Remediation - Background

  2. Objective and Scope of the Study

  1. Technical Approach

  1. Technical Aspects of Lynntech's Electrokinetic Soil Remediation Technology

  1. Application of Non-uniform Electric Field

  2. Electrode Well Construction

  1. Problems Encountered at CSSA O-1 Site

  1. Experimental Techniques and Methodology

  1. Benchscale Treatability Tests

  1. Soil Samples

  2. Batch Tests for Determination of Optimum Extractant

  3. Electrokinetic Tests for Removal of Chromium from CSSA O-1 Soil

  4. Methods and QA/QC Procedures

  1. Field Test

  1. Field Equipment

  2. Methods and QA/QC Procedures

  1. Results and Discussion

  1. Benchscale Treatability Study

  1. Soil Mechanical Analysis

  2. Determination of Optimum Extractant for Chromium from CSSA O-1 Soil

  3. Determination of the Valence State of Chromium Contaminant After Extraction

  4. Determination of Optimum Extractant for Cadmium from CSSA O-1 Soil

  5. Control of Soil Swelling on Addition of Additives to CSSA O-1 Soil

  6. Electrokinetic Removal of Chromium from CSSA O-1 Soil

  1. Field Scale Treatability Study

  1. Process Operation and Monitoring

  2. Chromium Contaminant Transport and Removal from Soil

  3. Correlation Between Chromium Removal and Soil Acidification

  1. Process Cost Estimates

  1. Conclusions and Recommendations

References

Appendix I