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Geosynte& <br /> consultants <br /> ' TABLE OF CONTENTS <br /> 1. INTRODUCTION.......................................................................9.........................1 <br /> ' 1.1 Project Objectives ........................................................................................1 <br /> 1.2 Report Organization.....................................................................................1 <br /> ' 2. BACKGROUND...................................................................................................2 <br /> 2.1 Pond Operation and Closure ........................................................................2 <br /> ' 2.2 1993 Pond Area Investigations.....................................................................3 <br /> 2.3 1994/1995 Pond Investigation......................................................................3 <br /> ' 2.4 Localized Geology........................................................................................5 <br /> 2.5 Historical Groundwater Elevations Relative to Pond...................................5 <br /> t3. INVESTIGATION ACTIVITIES..........................................................................7 <br /> 3.1 Preparations..................................................................................................7 <br /> ' 3.1.1 Health and Safety Plan Update........................................................7 <br /> 3.1.2 Former North and South Pond Area Cap Survey.............................7 <br /> ' 3.1.3 Site Inspection and Utility Clearance...............................................7 <br /> 3.1.4 Permitting.........................................................................................7 <br /> 3.2 Field Program...............................................................................................8 <br /> 3.2.1 Drilling Angled Borings ..................................................................8 <br /> 3.2.2 Soil Sampling...................................................................................8 <br /> ' 3.2.3 Groundwater Sampling.................................. .................................9 <br /> 3.2.4 Grouting Procedures......................................................................10 <br /> ' 3.2.5 Decontamination Procedures.........................................................10 <br /> 3.2.6 Investigation-Derived Waste Management....................................10 <br /> 3.3 Analytical Program.....................................................................................10 <br /> 3.4 Quality Assurance/Quality Control............................................................l l <br /> 4. SCHEDULING AND REPORTING...................................................................12 <br /> 5. REFERENCES....................................................................................................13 <br /> Work Plan Stockton Pond Inv_01-07-08.doc ii 0L07.2008 <br /> 1 <br />