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TABLE 3 <br /> AIR SPARGING TEST <br /> TPHg ANALYTICAL RESULTS OF GROUND-VATER SAMPLES <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado Street <br /> Stockton, California <br /> October 12, 1992 December 22, 1992 <br /> Time AS-1 MS-1 MS-2 MS-3 QS Time AS-1 MS-1 MS-2 MS-3 0S <br /> 11 00 110 -- i 3,400 2,000 0 10 30 180 1,200 400 1,400 0 <br /> 14 30 -- 3,400 11,000 8,800 15 14 30 2381 420 190 2,400 10 <br /> 270 -- -- <br /> 16 30 -- 2,100 -- -- 21 17 30 1081 440 <50 6 900 20 <br /> 140 -- -- -- <br /> Distance from 0 9 9 19 5 Distance from 0 9 9 19 5 <br /> AS-1 (ft ) AS-1 (ft ) <br /> I <br /> Notes <br /> Analytical results in parts per billion (ppb) <br /> -- = Not sampled or not analyzed <br /> 0 a Air sparge flow rate (ACFM) at time of sampting <br /> ZFM = Actual cubic feet per minute <br /> (1) = Duplicate sam <br /> piing Eerformed after purging sparge well <br /> 30003-8 <br />