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4 <br /> an air sparging and soil vapor extraction (AS/SVE)system. The system consisted of two sets of <br /> AS/SVE wells and two sets of nested piezometers. The system was shut down in November <br /> 1995,when rising groundwater levels submerged the SVE wells. An estimated 8,787 pounds of <br /> TPH-gasoline were removed during the period of system operation,however,as indicated by <br /> the quarterly monitoring results at the site,elevated concentrations of gasoline constituents are <br /> still present in groundwater in the former tank and pump area. <br /> I <br /> 1 <br />+ C <br /> a <br /> C <br />� C <br />� C <br />' SFO/CABERNET/GROUPSIEBG/DELMONTEIPLANT_33/WORKPLAN_CPT.DOC 4 <br /> I <br />