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[AOC-65 Table of Contents]

Environmental Cleanup Plan for AOC 65, April 2002

Table of Contents

Section 1 - Introduction

1.1   Project Objectives

1.2   Scope of Work

1.3   Data Quality Objectives

1.4   Electronic Data Management

1.4.1   Field Logbooks

1.4.2   Electronic Data Field Storage Notebook

1.4.3   Dataloggers/Geophysical Instrumentation

1.4.4   CHERP Database Application

Section 2 - Site Conditions

2.1   Site Description and History

2.2   Geology and Hydrogeology

2.3   Summary of Previous Investigations

Section 3 - Geophysical Investigation

3.1   Objectives

3.2   Electrical Resistivity

3.3   Microgravity

3.4   VLF

3.5   Ground Penetrating Radar

3.6   Seismic

3.7   Borehole Geophysics

Section 4 - Removal Action

4.1   Objectives

4.2   Planning

4.2.1   Permitting

4.2.1.1   State Historical Program Office

4.2.1.2   Air Permitting

4.3   Investigation

4.4   Building 90 Subslab Ventilation Study

4.5   Implementation of Removal Action

4.5.1   Building 90 Removal Actions

4.5.2   Removal Actions Outside Building 90

4.6   Restoration

4.6.1   Beneath Building 90

4.6.2   Outside Building 90

Section 5 - Groundwater Recharge Study

5.1   Objectives

5.2   Piezometer Design and Installation

5.3   Weather Station Design and Installation

5.4   Extraction Packer Test

5.5   Groundwater Sampling

Section 6 - Soil Vapor Extraction Treatability Study

6.1   Objectives

6.2   Required Air Permitting

6.3   System Configuration

6.3.1   Extraction Wells

6.4   SVE Treatability Study Activities

6.4.1   Initial System Check

6.4.2   Radius of Influence Testing

6.4.3   Air Emissions

6.5   Operation and Maintenance

Section 7 - Scheduling and Time Management

Section 8 - Recordkeeping and Reporting

8.1   Submittal Requirements

8.2   Meetings

8.3   Public Meetings

Appendices, Figures, and Tables

Appendix A   Data Quality Objectives

Figure 4.1   Proposed Soil Boring Locations

Table 7.1   Schedule of Project Activities