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TABLE 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> QUIK STOP MARKET NO. 132 <br /> 2555 WEST HAMMER LANE <br /> STOCKTON, CALIFORNIA <br /> i <br /> Sample Date TPH-G Benzene Toluene Ethyl- Total MTBE CO2 Well Depth to Groundwater <br /> Number Sampled (ppb) (ppb) (ppb) benzene Xylenes (ppb} (ppm) Elevation Groundwater Elevation <br /> (ppb) (ppb) (ft above (feet) (ft above <br /> MSL) MSL) <br /> MW-1 08/24/90 470 21 37 62 54 NA 1486 <br /> 09/14/90 320 34 15 1 8 55 1488 <br /> 10/03/90 Well Destroyed <br /> MW-1R 04/08/91 <50 <0 50 <0 50 <0 50 <0 50 358 1441 -1083 <br /> 07/31/91 <50 <0 50 <0 50 <0 50 <0 50 15 50 -11 92 <br /> 09/11/91 <50 <0 50 <0 50 <0 50 <0 50 1567 -1209 <br /> 12/18/91 <50 <0 50 <0 50 <0 50 <0 50 1584 -1226 <br /> 03/18/92 <50 <0 50 <0 50 <0 50 <0 50 1494 -1136 <br /> 06/16/92 `<50 <0 50 <0 50 <0 50 <0 50 15 34 -11 76 <br /> 09/22/92 <50 <0 50 <0 50 <0 50 <0 50 1845 -1487 <br /> 12/21/92 <50 <0 50 <0 50 <0 50 <0 50 1800 -1442 <br /> 03/17193 <50 <0 50 <0 50 <0 50 <0 50 1538 -1180 <br /> 06/18/93 <50 <0 50 <0 50 <0 50 <0 50 1237 -879 <br /> 09/23/93 <50 <050 <0 50 <0 50 <0 50 1356 -998 <br /> 12/17/93 <50 <0 50 <0 50 <0 50 <0 50 1343 -985 <br /> 03/25/94 <50 <0 50 <0 50 <0 50 <0 50 1304 -946 <br /> 06/21/94 <50 <0 50 <0 50 <0 50 <0 50 1290 -932 <br /> 09/13/94 <50 <0 50 <0 50 <0 50 <0 50 1335 -977 <br /> 12/09/94 <50 <0 50 <0 50 <0 50 <0 50 1450 -1092 <br /> 03/16/95 <50 <0 50 <0 50 <0 50 <0 50 11 57 -799 <br /> sh*H <br /> WAW 194 273WLQK 132 T91 JN Ap-98! <br />