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Working to Restore Nature <br /> TABLE 7 <br /> RESULTS OF CHEMICAL ANALYSES OF WATER SAMPLES <br /> COLLECTED FROM SPARGE WELLS <br /> ARCO Service Station 2130 <br /> 7906 North El Dorado <br /> Stockton, California <br /> Sample Sample Ethyl- Total Dissolved <br /> Number Date TPHg Benzene Toluene benzene Xylenes Oxygen <br /> AS-1-1 10/12/92 110 12 18 10 14 42 <br /> AS-1-1 10/13/92 690 19 17 <0 50 45 44 <br /> AS-1-2 10/13/92 360 20 20 <0 50 34 54 <br /> MS-1-1 10/13/92 2,300 520 350 29 210 40 <br /> MS-1-2 10/12/92 3,400 820 540 53 290 35 <br /> MS-1-2 10/13/92 1,900 440 290 120 170 3 7 <br /> MS-1-3 10/12/92 2,100 520 330 29 190 34 <br /> MS-1-3 10/13/92 1,100 240 150 12 97 34 <br /> MS-2-1 10/12/92 3,400 460 110 <0 50 73 NR <br /> MS-2-1 10/13/92 330 160 <050 <050 <050 37 <br /> • MS-2-2 10/12/92 11,000 2,500 1,400 <050 1,100 NR <br /> MS-2-2 10/13/92 55 <0 50 <050 <050 <0 50 46 <br /> MS-2-3 10/13/92 <50 12 <050 <050 <0 50 49 <br /> MS-3-1 10/12/92 2,000 160 26 <0 50 33 NR <br /> MS-3-1 10/13/92 3,100 480 120 <0 50 57 17 <br /> MS-3-2 10/12/92 8,800 1,400 780 29 680 NR <br /> MS-3-2 10/13/92 3,500 880 82 <0 50 170 28 <br /> MS-3-3 10/13/92 4,900 1,200 390 <0 50 290 29 <br /> Results in parts per billion except dissolved oxygen in parts per million <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Below detection limit for the analytic methods used <br /> NA = Not analyzed <br /> NR = Not requested <br /> • <br />