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' Former Manna Pro Site Page 6 <br /> Quarterly Groundwater Monitoring Report <br />' Project No 207 2 <br /> • April 23, 2003 <br />' 3.0 DISCUSSION <br />' 3.1 Discussion of Data <br /> Field and analytical data results are summarized in Summary Table 1 and <br />' illustrated in Figures 3 through 5 <br /> The map of groundwater gradient (Figure 3) suggests that the flow direction <br />' and gradient of groundwater is consistent with historical measurements <br />' The water table has moved very little since the last monitoring event in <br /> December A slight local groundwater anomaly in the vicinity OB-5 is has <br /> diminished and shifted slightly to the west <br />' The analytic data suggest that contaminant levels are in the low to middle <br /> range of historical norms <br /> 1 <br /> 3 2 FlattirP Wnrk Schedii]p <br />' The second phase of the vapor extraction / air sparge remedial system is under <br /> construction Currently, 10 new vapor extraction and 8 sparge wells are being <br />' drilled and constructed <br /> I <br /> 1 <br /> I <br /> 2937 Veneman Ave ,#B240 Geo-Phase Environmental Inc Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax (209) 569-0293 <br /> I <br />