Laserfiche WebLink
Former Manna Pro Site Page 6 <br /> Quarterly Groundwater Monitoring Report <br /> Project No 207 2 <br /> November 4, 2002 <br /> I3.0 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 fallen almost 3 feet since the last monitoring event in <br /> June A slight local groundwater high to the vicinity OB-5 is evident as has <br /> often been the case in the past <br />' The analytic data suggest that contaminant levels are in the low to middle <br /> range of historical norms <br /> 3.2 Future Work Schedule <br /> The first phase vapor extraction 1 air sparge remedial system has been <br /> completed and operated for 90 days A report of this work and the results was <br /> issued on June 18, 2002 Based on the results of the first phase corrective <br /> action program, an addendum to the Corrective Action Plan was prepared on <br /> August 12, 2002 and submitted to the San Joaquin County Environmental <br /> Health Department The addendum was approved on October 22, 2002 The <br /> budget covering the anticipated costs of the work is being prepared and will <br />' soon be submitted the California UST Clean-up fund for pre-approval <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 />