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1 <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION..................................................................:..... <br /> 2.0 PROJECT BACKGROUND............................................................................:.................................1 <br /> j 3.0 CPT AND DIRECT PUSH BORING FIELD PROCEDURES.......................................................3 <br /> 3.1 SITE PREPARATION 4 <br /> 3.2 CPT PROCEDURES..................................:........................................................................................4 <br /> 3.2.1 Discrete Depth Groundwater Sampling................................................................:.........................5 <br /> 3.3 LABORATORY ANALYSES............................................................................................................5 <br /> L 4.0 INVESTIGATION RESULTS........................................................................................ .................5 <br /> 4.1 FIELD OBSERVATIONS...............................:......................................................:............................5 <br /> 4.2 RESULTS OF LABORATORY ANALYSES.................................................:..................................6 <br /> t. <br /> 5.0 DISCUSSION AND RECOMMENDATIONS..............................................:.:...:...............::.s.........8 <br /> 6.0 LIMITATIONS..................................................................................................................................10 <br /> ATTACHMENTS <br /> ATTACHMENT A <br /> Figure 1 Vicinity Map <br /> Figure 2 Site Map with Monitoring Well, CPT, and Direct Push Boring Locations <br /> t.- Figure 3 Groundwater Sample Analytical Results—March 13,20031Ap 1 15 - 17,2003 <br /> { Figure 4 Site Map with Geologic Cross-Section Locations <br /> Figure 5 Geologic Cross-Section(A-A') <br /> Figure 6 Geologic Cross-Section(B-B') <br /> Figure 7 Geologic Cross-Section(C-C') <br /> Figure 8 Geologic Crass-Section(D-D') <br /> Figure 9 Site Map showing.Estimated Lateral Extent of 1,2-Dichloroethane ( 100 µg/L) <br /> in Groundwater <br /> Figure 10 Geologic Cross-Section (A-A') showing Estimated_ Extent of 1,2-Dichloroethane <br /> } (>100 }tg/L) in Groundwater <br /> I ATTACHMENT B <br /> Cone Penetration Test Data and Field Equipment and Procedures Document <br /> t <br /> ATTACHMENT C <br /> Groundwater Sample Laboratory Analytical Results <br /> Chain-of-Custody Records <br /> CONDOR <br /> 4 _ _ <br />