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' Updated Site Conceptual Model and Second Quarter 2002 Monitoring and Reinediation Report <br /> Cleanup and Abatement Order No 5-00-707 EAI Project No 1232 <br /> TABLE OF CONTENTS <br /> Page <br /> 1.0 INTRODUCTION... .. ... .. .. .... . . . .. ... .... ... .. .. . .... 1 <br /> ' 11 Background I <br /> 1 I 1 Wards Site I <br /> 1 1 2 Wards Site Redevelopment 2 <br /> 1 1 3 Unocal Site 2 <br /> 1 14 Robinhood Irrigation Well (RIW) 2 <br /> 1 1 5 Cleanup and Abatement Order 3 <br /> 2.0 SITE CONCEPTUAL MODEL UPDATE... ..... .. 4 <br />' 3.0 GROUND WATER MONITORING .... . .. . . .... ... .. ..... . . .. .. 5 <br /> 3 1 Ground Water Sampling 5 <br /> 3 2 Effluent Handling 5 <br />' 3 3 Analytical Testing 5 <br /> 4.0 REMEDIATION SYSTEM STATUS REPORT .. .. ... . .. ... .. . ... ... 6 <br /> 41 Remediation Compound Relocation 6 <br /> 42 Remediation Results 6 <br /> 5.0 DISCUSSION... . .. . .. .. .. .. . - ------. . .. .. 7 <br /> 5 1 Ground Water Elevation Contour Maps 7 <br /> 52 Ground Water Flow Direction and Magnitude 7 <br /> 53 Monitoring Well Hydrographs 7 <br /> 54 TPH-G and Benzene Isoconcentration Maps 7 <br /> 5 5 Analytical Testing Results g <br />' 5 5 1 Units A and B Wells 8 <br /> 5 5 2 Units C and D Wells (MW-8D, MW-23S/D and MW-24S/D 8 <br /> 5 5 3 Well MW-4 and Other Perimeter Wells 8 <br /> 6.0 RECOMMENDATIONS <br />' 70 LIMITATION . . ...... .. .. .. . . ...... . ... .. 10 <br /> 1 <br /> • <br /> B}LM 1232RO211 -i- <br /> ENVIRONMENTAL AUDIT, INC <br /> 1 <br />