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Date December 20, 2002 <br /> Quartet' 3rd Quarter,2002 <br /> • groundwater elevations across the site decreased since the previous quarter Groundwater flow was to the north at an <br /> approximate gradient of 0 003 ft/ft,consistent with historical data <br /> This report is based on data, site conditions, and other information that are generally applicable as of the date of the <br /> report,and the conclusions and recommendations herein are therefore applicable only to that time frame <br /> Background information, including but not limited to previous field measurements, analytical results, site plans,and <br /> other data has been furnished to URS by Atlantic Richfield Company, its previous consultants, and/or third parties <br /> that URS has used in preparing this report URS has relied on this information as furnished URS is not responsible <br /> for nor has it confirmed the accuracy of this information <br /> Field measurements have been supplied by a groundwater sampling subcontractor URS has not performed an <br /> independent review of the field sampling data and is neither responsible for nor has confirmed the accuracy of these <br /> data <br /> TABLES <br /> Table 1 Groundwater Elevation and Analytical Data <br /> Table 2 Fuel Oxygenates Analytical Data <br /> Table 3 Groundwater Gradient Data <br /> FIGURES <br /> Figure 1 Groundwater Elevation Contour Map <br /> Figure 2 Groundwater Concentration Map <br /> APPENDICES <br /> Appendix A Field and Laboratory Procedures <br /> Appendix B Laboratory Analytical Reports,Chain-of-Custody Documentation,and Field Data Sheets <br /> K V5 BP ARC010(-W01Qua erEy%3_QTR 02�6M GWMR3Q02 doc Page 2 <br />