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Report: Groundwaler-quality Monitoring—December 13,2001: 7500 West Eleventh Street, Tracy, CA. Page i <br /> Table of Contents <br /> PROFESSIONAL CERTIFICATION AND LIMITATIONS...................................ii <br /> k 1.0 INTRODUCTION <br /> 1.1 Site Location............................................................................................................ 1 <br /> 1.2 Site Codes <br /> 1.3 Background.............................................................................................................. 1 <br /> 1,4 Geology and Hydrogeology..................................................................................... 2 <br /> 1.5 Distribution of Hydrocarbons in the Subsurface ..................................................... 3 <br /> 2.0 DECEMBER 13, 2001 GROUNDWATER SAMPLING AND ANALYSIS ............ 3 <br /> 2.1 Groundwater Elevations and Flow Direction.......................................................... 3 <br /> 2.2 Purging of Monitoring Wells <br /> 2.3 Recovery of Groundwater Samples from Monitoring Wells................................... 5 <br /> 2.4 Analyses of Groundwater Samples.......................................................................... 5 <br /> f' 2.5 Disposal of Purge Water ........... 7 <br /> 3.0 FUTURE ROUNDS OF GROUNDWATER SAMPLING AND ANALYSIS .......... 7 <br /> 4.0 REFERENCES ............................................................................................................ 8 <br /> {: _ r TABLES <br /> Table l: Depths to Groundwater <br /> jTable 2: Results of Analyses of Samples of Groundwater <br /> fJ <br /> FIGURES <br /> Figure 1: Site Location <br /> Figure 2: Groundwater Contours—December 13, 2001 <br /> Figure 3: Affected Soil in Cross Section A-A' <br /> I:a Figure 4: Affected Soil in Cross Section B-B' <br /> Figure 5: Affected Soil in Cross Section C-C' <br /> APPENDIX A: Field Notes <br /> APPENDIX B: Laboratory Certificates of Analysis <br /> � I <br /> sic <br />