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1 <br />' TABLE OF CONTENTS <br /> 1 0INTRODUCTION ... . . ... .. .. .. . .. ..... . .. •. .. . .... . ......... .. ...1 <br />' 2 0 SITE BACKGROUND .. .... ... . .. .. .... ... . . ... .. .... ... . .. . .. ............... ..... ... . . 1 <br /> 3.0 QUARTERLY GROUNDWATER MONITORING—OCTOBER 2000..... ..... .... .. . . .... .. 2 <br />' 3 I GROUNDWATER MONITORING OBSERVATIONS AND PARAMETERS 2 <br /> 3 2 GROUNDWATER SAMPLING 3 <br /> 4.0 GROUNDWATER MONITORING RESULTS ... . ..... ..... ... ... ... ........ ......... ........ ... . .. 3 <br /> 4 1 GROUNDWATER ELEVATION CONTOURS 3 <br /> 4 2 LABORATORY ANALYSES 4 <br />' 4 3 SOIL VAPOR EXTRACTION SYSTEM 5 <br /> 5.0 DISCUSSION OF RESULTS .. ....... .. .. ..... . ... ....... ... . ... . ........ ..... ......... .. .. ... ... .. 5 <br /> 5 1 DISCUSSION OF GROUNDWATER ELEVATIONS 5 <br />' 5 2 DISCUSSION OF ANALYTICAL RESULTS 6 <br /> 5 2 1 DISCUSSION OF BENZENE CONCENTRATIONS 6 <br /> 5 2 2 DISCUSSION OF MTBE CONCENTRATIONS 6 <br /> 5 2 3 DISCUSSION OF OTHER ANALYTES CONCENTRATIONS 7 <br /> 6 0 RECOMMENDATIONS.. . . .. . .. . .. .. ..... .. .. . .... .. . ..... . ... ... ...... ..... .. ..... ..8 <br /> LIST OF APPENDICES <br /> lie APPENDIX A <br /> Figure 1 Vicinity Map <br /> Figure 2 Groundwater Elevation Contour Map <br /> Figure 3 Benzene Concentration Contours for October 12,2000 <br /> Figure 4 MTBE Concentration Contours for October 12,2000 <br /> Figure 5 Hydrograph and Hydrograph Table <br /> Figure 6 Benzene (MW-1) and GWE vs Time <br /> I Figure 7 Benzene (MW-2) and GWE vs Time <br /> Figure 8 Concentrations of Benzene and MTBE vs Time for Soil Vapor Wells (SV-1 <br /> through SV-9) <br /> Figure 9 MTBE and GWE (MW-2) vs.Time <br /> Figure 10 MTBE and GWE (MW-1) vs Time <br /> IAPPENDIX B <br /> Table A- Historical Groundwater Analyses (MW-1 through MW-8 and SVE wells) <br /> Groundwater Monitoring Field Forms (MW-1 through MW-81 <br /> APPENDIX C <br /> Cei tificates of Analyses (MW-1 through MW-8) <br /> • Chain-of-Custody <br /> } <br /> IAPPENDIX D <br /> Soil Vapor Extraction System Log 1%tio" <br /> �� CONDOR <br />