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Geospte& <br /> consultants <br /> TABLE OF CONTENTS <br /> 1. INTRODUCTION................................................................................................ 1 <br /> 1.1 WORK PLAN OBJECTIVE....................................................................... 1 <br /> 1.2 WORK PLAN CONTENT.......................................................................... 1 <br /> 2. SITE BACKGROUND......................................................................................... 3 <br /> 2.1 GEOLOGY AND HYDROGEOLOGY...................................................... 3 <br /> 2.1.1 Regional Geology and Hydrogeology............................................. 3 <br /> 2.1.2 Site Hydrostratigraphy....................................................................4 <br /> 2.1.3 Occurrence and Movement of Groundwater................................... 5 <br /> 2.2 SITE HISTORY .......................................................................................... 6 <br /> 2.2.1 Summary of Interim Remedial Actions.......................................... 7 <br /> 3. WORK PLAN OBJECTIVE AND RATIONALE............................................. 10 <br /> 3.1 DATA QUALITY OBJECTIVES............................................................. 10 <br /> 3.2 RATIONALE............................................................................................ 11 <br /> 3.3 CHEMICALS OF POTENTIAL CONCERN........................................... 14 <br /> 4. SCOPE OF WORK............................................................................................. 15 <br /> 4.1 PRE-FIELD ACTIVITIES........................................................................ 15 <br /> 4.1.1 Review of Current Field Conditions............................................. 15 <br /> 4.1.2 Utility Survey................................................................................ 15 <br /> 4.1.3 Permitting and Access................................................................... 16 <br /> 4.1.4 Pre-Field Meeting.......................................................................... 16 <br /> 4.2 INVESTIGATION ACTIVITIES ............................................................. 16 <br /> 4.2.1 Soil Borings................................................................................... 16 <br /> 4.2.2 Well Installation............................................................................ 18 <br /> 4.2.3 Field Quality Assurance Sampling................................................ 21 <br /> 4.2.4 Sample Nomenclature................................................................... 21 <br /> 4.2.5 Sample Packaging and Handling.................................................. 22 <br /> 4.2.6 Equipment Decontamination and Investigation Derived Waste... 23 <br /> 4.2.7 Survey of Sampling Locations......................................................23 <br /> 5. SCHEDULE ....................................................................................................... 24 <br /> it 18.05.12 <br /> Pre-Design Investigation Work Plan <br />