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F + <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> i { <br /> 1.0 INTRODUCTION AND OBJECTIVE....................... .............................................................. 1 <br /> 1.1 Introduction........................................................................................................... I <br /> 1.2 Objective <br /> 2.0 PROJECT AND BACKGROUND REVIEW ............ . ............................................................. I <br /> 2.1 Site Location and Description............................................................................... 1 <br /> 2.2 Responsible Party Contact .. 2 <br /> ................................................................................... <br /> _ 2.3 Geomorphology, Geology, and Hydrog e�oiogy..................................................... 2 <br /> 2.3.1 Geomorphology........................... . ............................................................. 2 <br /> 2.3.2 Geology....................................................................................................... 3 <br /> 2.3.3 Groundwater................................................................................................ 4 <br /> 3.0 SUMMARY OF PREVIOUS SITE ACTIVITIES......4............................................................ 4 <br /> 3.1 Underground Storage Tank Removal Activities................................................... 4 <br /> 3.2 Previous Site Assessment and Remedial Excavation Activities .. 5 <br /> ......................... <br /> 4.0 SUMMARY OF RECENT ACTIVITIES. 6 <br /> 4.1 Soil Borings and Soil Sample Collection.............................................................. 6 <br /> 4.2 Site Geolo <br /> 4.2.1 Engineered Fill........................... . ............................................................. 8 <br /> 2.3.1 Excavation Backfill..................... . ............................................................. 9 <br /> 2.3.1 Quaternary Alluvium................................................................................... 9 <br /> 4.3 Installation of Groundwater Monitoring'(Wells..................................................... 9 <br /> 4.4 Well Survey............................................1..................................................I......... 10 <br /> 4.5 Groundwater Sample Collection and Analysis.................................................... 10 <br /> 4.5.1 April 8, 1998 Sampling............... . ........................................................... 11 <br /> 4.5.2 May 13, 1998 Sampling...............k............................................................ 1I <br /> 4.5.3 Groundwater Sample Analyses................................................................. 12 <br /> 4.6 Groundwater Elevation and Flow Direction....................................................... 13 <br /> 5.0 DISCUSSION OF RECENT RESULTS................................................................................. 13 <br /> 5.1 Soil Sample Analyses Results.............. . .......................................................... 13 <br /> 5.2 Groundwater Sample Analyses Results . .......................................................... 14 <br /> 6.0 CONCLUSIONS AND DISCUSSION.................................................................I................. 15 <br /> 7.0 RECOMMENDATIONS........................................... . ........................................................... 15 <br /> 8.0 LIMITATIONS OF INVESTIGATION.................... . ........................................................... 16 <br /> G . <br /> I : <br /> L : <br /> � 1 <br />