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r <br /> Working To Restore Nature <br /> TABLE OF CONTENTS <br /> CONTENTS PAGE <br /> 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0 BACKGROUND DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 21 Site Description 1 <br /> ' 22 Proximity of Private, Municipal, & Irrigation Wells 1 <br /> 3.0 REGIONAL GEOLOGY AND HYDROLOGY . . . . . . . . . . . . . . . . . . . . . 2 <br /> 4.0 PREVIOUS WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 5.0 ADDITIONAL SUBSURFACE ASSESSMENT . . . . . . . . . . . . . . . . . . . . . 4 <br /> 51 Workscope and Objectives . 5 <br /> 52 Drilling and Soil Sampling 5 <br /> 53 Installation of Groundwater Monitoring Wells 6 <br /> 54 Installation of Vapor Extraction Wells 6 <br /> 55 Well Development and Groundwater Sampling 7 <br /> 6.0 INVESTIGATION RESULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 61 Soil Lithology 7 <br /> 62 Laboratory Analysis - Soils 7 <br /> 63 Groundwater Gradient S <br /> 64 Laboratory Analysis - Groundwater S <br /> ' 7.0 REMEDIAL INVESTIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 71 Field Methods 9 <br /> 72 Remedial Investigation Results 10 <br /> 7 2 1 Long Term Soil Vapor Test 10 <br /> 7 2 2 Short Term Soil Vapor Test 11 <br /> 7 2 3 Estimated Radius of Influence 11 <br /> 7 2 4 Laboratory Results 11 <br /> r <br /> I50047\R-031594 FNL <br /> 1 <br />