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' kn KLEINFELDER <br /> ' TABLE OF CONTENTS <br /> ' CHAPTER PAGE <br /> 1 EXECUTIVE SUMMARY..............................................................................................................................1 <br /> 2 SITE SETTING................................................................................................................................................5 <br /> 2.1. SITE LOCATION....................................................................................................................................5 <br /> ' 2.2. CURRENT USE AND SITE CHARACTERISTICS...............................................................................5 <br /> 2.3. REGIONAL GEOLOGY AND HYDROGEOLOGY..............................................................................5 <br /> 3 BACKGROUND...............................................................................................................................................7 <br /> ' 4 FIELD ACTIVITIES.......................................................................................................................................9 <br /> 4.1. PRE-FIELD ACTIVITIES .......................................................................................................................9 <br /> ' 4.2. MONITORING WELL INSTALLATION...............................................................................................9 <br /> 4.3. MONITORING WELL DEVELOPMENT............................................................................................11 <br /> 4.4. MONITORING WELL SAMPLING.....................................................................................................11 <br /> ' 5 LABORATORY ANALYSIS........................................................................................................................12 <br /> 5.1. MONITORING WELL SOIL BORING SAMPLING............................................................................12 <br /> 5.2. MONITORING WELL GROUNDWATER SAMPLING.....................................................................12 <br /> ' 5.3. ADDITIONAL LIMITED SOIL SAMPLING.......................................................................................13 <br /> 6 RESULTS........................................................................................................................................................14 <br /> ' 6.1. GROUNDWATER FLOW DIRECTION AND GRADIENT___..............................*....***,****....**......14 <br /> 6.2. MONITORING WELL SOIL BORING SAMPLING RESULTS.........................................................14 <br /> 6.3. GROUNDWATER SAMPLING RESULTS..........................................................................................15 <br /> 6.4. ADDITIONAL LIMITED SOIL SAMPLING RESULTS.....................................................................17 <br /> ' 7 CONCLUSIONS AND RECOMMENDATIONS.......................................................................................19 <br /> 7.1. CONCLUSIONS ....................................................................................................................................19 <br /> 7.2. RECOMMENDATIONS........................................................................................................................21 <br /> 8 LIMITATIONS..............................................................................................................................................22 <br /> Text Tables: <br /> ' Table 1 Monitoring Well Locations...............................................................................................................9 <br /> Table 2 Monitoring Well Construction Detail..............................................................................................10 <br /> Table3 Monitoring Well Elevations............................................................................................................10 <br /> Table4 Groundwater Elevations..................................................................................................................11 <br /> 1 Table 5 Monitoring Well Soil Boring Sample Results.................................................................................15 <br /> Table 6 Groundwater Laboratory Results(May 3,2004).............................................................................16 <br /> Table 7 TTLC and STLC Shallow Soil Sample Results...............................................................................17 <br /> ' Plates: <br /> Plate 1 —Site Location Map <br /> Plate 2—Monitoring Well and Soil Boring Location Map <br /> Plate 3—Lead Concentration and Proposed Excavation Limit Map <br /> ' Appendices: <br /> A—Monitoring Well Permit E—Laboratory Data Sheets <br /> B—Soil Boring Logs F—Groundwater Monitoring Well Survey Map <br /> C—Monitoring Well Development Logs G—Typical Kleinfelder Field Protocol <br /> D—Monitoring Well Sampling Logs <br /> ' 42162.E01 /ST04R854 Page iofi <br /> Copyright 2004,Kleinfelder,Inc. July 1,2004 <br />