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' Forniei Manna Pio Site Page 14 <br /> Quarterly Groundwater Monitoiing Report <br />' &Monitoring Well Consh uction <br /> Pi oject No 207 2 <br /> June 2, 2000 <br /> tShallow Monitoring Data <br /> Field and analytical data results are summarized in Summary Table 1 and <br />' illusti ated in Figures 3 through 5 <br /> The map of groundwater gradient (Figure 3) suggests that the flow of <br />' groundwater is to the southeast with a very shallow gradient The water table <br /> has risen about 3 feet since the last monitoring event in January <br />' Monitoring data collected during the October 1999 monitoring exhibited a closed <br /> area of depression in the groundwater surface This had largely disappeared, by <br /> January 2000, but in this current event, a groundwater depression is again <br />' evident and is centered near observation well, OB-2 <br />' The analytical data suggest that contaminant levels aie generally consistent <br /> with, or somewhat lower than what has been observed in past monitoring <br /> events Anomalous analytical results noted in the past two events have not been <br />' repeated <br /> 5.2 Future Work Schedule <br /> The San Joaquin County PHS/EHD has approved a Work Plan to conduct <br /> additional site characterization of the deeper groundwater and to complete pilot <br /> level testing of sevei al remedial technologies The California UST Fund <br /> (USTCFP) recently issued a letter of "pre-approval" for reimbursement of the <br /> anticipated costs associated with this work Field work for the pilot study <br />' portion of the remedial feasibility study commenced on April 17 of this year, and <br /> was completed on June 1, 2000 <br />' Monitoring of the existing wells should continue This should be done in <br /> addition to completing the feasibility study now under way <br />' 2937 Veneman Ave,#B240 Geo-Phase Environmental Inc Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax (209) 569-0293 <br />