SAP Addendum Specific to Field Sampling Plan for AOC-65 Treatability Study Under AETC TO 0058, July 2002

Table of Contents

1.0 - Introduction

2.0 - Geophysical Testing

2.1   Electrical Resistivity Imaging

2.2   Microgravity

2.3   Very Low Frequency Electromagnetics

2.4   Ground Penetrating Radar

2.5   Seismic Reflection

3.0 - Building 90 Removal Action

3.1   Building 90 Subslab Ventilation System

3.1.1   Soil Boring

3.1.2   Vapor Extraction Wells Construction

3.1.3   Building 90 Subslab Ventilation Initial System Test

3.2   Building 90 Removal Action

3.2.1   Soil Borings

3.2.2   Soil Excavation Sampling

Section 4 - Groundwater Recharge Study

4.1   Piezometer Installation

4.2   Baseline Groundwater Sampling

4.3   Post-Rainfall Groundwater Sampling

4.4   Rainfall Measurements

4.5   Groundwater Elevation Measurements

4.6   Groundwater Tracer Study

5.0 - AOC-65 SVE System

5.1   Vapor Extraction Wells

5.2   Vapor Monitoring Points

5.3   Treatability Testing

5.3.1   Initial System Check

5.3.2   Radius of Influence Testing

5.3.3   Soil Gas Tracer Test

6.0 - Operation and Maintenance

7.0 - Sample Collection Procedures

7.1   Surface Soil Sampling

7.2   Subsurface Soil Sampling

7.3   Groundwater Sampling

7.4   Soil Gas Sampling

7.5   Piezometer Construction

7.6   VEW/VMP Construction

7.7   Extraction Packer Test

8.0 - Investigation Derived Waste

8.1   Lined Surface Impoundments

8.2   Temporary Storage Containers

9.0 - sample analysis and quality control

9.1   Sample Analytical Requirements

9.2   Quality Control Requirements