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i <br /> LBank of Stockton - Cutter Lumber Site Page 6 <br /> Quarterly Groundwater Monitoring Report <br /> 1 Project No, 162.2 <br /> September 14,2004 <br /> 3.0 DISCUSSION <br /> ' 3.1 Discussion of Data <br /> Field and analytical data results are summarized in Tables 1 and 2 and <br /> I ' illustrated in Figures 3 through 5. <br /> The contour map of the groundwater surface (Figure 3) suggests that the flow of <br /> ' groundwater is to the northeast, and appears generally consistent with <br /> historical norms. Over the past quarter the groundwater elevation has fallen <br /> about 3 feet from the prior monitoring event. <br /> Over the years, the contaminant concentrations have displayed a gradual <br /> ' downward trend in all of the wells except MW-813 and MW-9. <br /> 3.2 Future Work Schedule <br /> ' Quarterly groundwater monitoring and sampling should continue. The San <br /> • Joaquin County EHD has approved a Corrective Action Plan (CAP). <br /> Construction of the remedial system is largely complete. Eight new service wells <br /> have been constructed and the surface system is in place. A permit to operate <br /> the system will is pending from the San Joaquin Valley APCD. <br /> I ' <br /> i <br /> 1 <br /> 1 <br /> 2937 Veneman Ave.,#B240 Geo-Phase Environmental Inc. Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0293 <br />