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r <br /> r TABLE 8 <br /> AIR SPARGING/VAPOR-EXTRACTION TEST <br /> BENZENE ANALYTICAL RESULTS OF GROUND-WATER SAMPLES <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado Street <br /> Stockton, California <br /> October 13, 1993 <br /> Tune AS-1 MS-1 MS-2 MS-3 QS QE <br /> 1030 19 520 160 480 0 0 <br /> 1330 20 440 <05 880 218 190 <br /> 1530 -- 240 <05 1,200 20.5 192 <br /> Distance <br /> From AS-1 0 9 9 195 <br /> (Ft) <br /> Notes <br /> Analytical results to parts per billion (ppb) <br /> -- = Not sampled or not analyzed <br /> QS = Air sparge flow rate (ACFM) at time of sampling <br /> QE = Vapor-extraction flow rate (ACFM) at tune of sampling <br /> ACFM = Actual cubic feet per minute <br /> 30003-8 <br />