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[Volume 1-4 Table of Contents]

Sampling and Analysis Plan - Addendum Specific to Field Sampling Plan for Delivery Order TO42

Table of Contents

Section 1 - Introduction

1.1   Field Activities

Section 2 - Installation of Monitoring Wells

2.1   Overview of Well Installations

2.2   Monitoring Well Specifications

2.2.1   Single-Cased Wells

2.2.2   Double-Cased Wells

2.2.3   Triple-Cased Wells

2.2.4   Well Construction Requirements

2.2.5   Westbay Multi-Port Well Construction Requirements

2.3   Contingency Planning

2.3.1   Drilling Additives

2.3.2   Perched Groundwater

2.4   Core Sample Collection

2.5   Sample Analysis

2.6   Totco Vertical Drift Indicator

2.7   Borehole Geophysical Surveys

2.7.1   Electric Logs (Resistivity and Spontaneous Potential)

2.7.2   Natural Gamma Ray Logs

2.7.3   Caliper Logs

2.8   Injection Packer Test Procedures

2.9   Discrete Interval Groundwater Samples

2.10   Well Upgrades

2.11   Transducer and Pump Installations

2.12   Monitoring Well Development

Section 3 - Groundwater Well sampling

3.1   Water Level Measurements

3.2   Groundwater Sampling Methods

3.2.1   On-Site Wells with Dedicated Low-Flow Bladder Pumps

3.2.2   Shallow Wells Sampled by the Bailer Method

3.2.3   Westbay� Multi-Port Samplers

3.2.4   Deep Wells Sampled by the Bailer Method

3.2.5   On-Site Water Production Wells

3.2.6   Off-Site Domestic and Public Supply Wells

3.3   Groundwater Sample Identification

3.4   Groundwater Sampling Parameters

Section 4 - Decontamination Procedures

Section 5 - Investigation-Derived Waste Handling

5.1   Lined Settling Basins

5.2   Temporary Storage Containers

5.3   Granular Activated Carbon at Outfall 002

Appendices

Appendix A   Sieve Analysis for 8/16-Mesh Sand

Appendix B   Chemical Fingerprint Analysis For Quickfoam�

Appendix C   Worksheets for Conducting Injection Packer Tests

Appendix D   Well Development Record

Appendix E   GAC Unit Operational Data

Appendix F   Quarterly Groundwater Sampling Schedules March 2002 Through September 2003

Tables

Table 2.1   Estimated Quantities of Drilling Requirements

Table 2.2   Estimated Quantities of Environmental Samples

Table 2.3   Sampling Parameters from Soil/Rock Definitive Data Samples*

Table 2.4   Sampling Parameters from Water and Soil Screening Data Samples

Table 2.5   Sampling Parameters from Outfall 002 Screening Data Samples

Table 2.6   Example Sampling Identification for Project Samples

Table 2.7   Completion Information for Existing Wells

Table 2.8   Tasks for Well Upgrades

Table 9   Sample Quantities and Analytical Parameters

Table 10   Low-Flow Pump Installation Data and Minimum Tubing Purge Volumes

Table 11   Valid Groundwater Sample Identifications

Table 12   Sampling Parameters from Groundwater Definitive Data Samples

Figures

Figure 2.3 - Packer Test Design