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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 /> Ethyl- Total Well Depth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ppb) (ppb) (ppb} (ppb) {ppb) (ppb) {ppm) (ft above MSL} (feet) (ft above MSL) <br /> Well"-I <br /> 08/24/90 470 21 37 6 2 54 NA14 86 <br /> 09/14/90 320 34 1 5 1 8 55 1 1 1488 <br /> 10/03/90 Well Destroyed <br /> Well MW-IR <br /> 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 50 155 -1192 <br /> 09/11/91 <50 <0 50 <0 50 <0 50 <0 50 1567 -1209 <br /> I2/18/91 <50 <0 50 <0 50 <0 50 <0 50 1584 -1226 <br /> 03/18/92 <50 <0 50 <0 50 <0 50 <050 1494 -1136 <br /> 1 06/16/92 <50 <0 50 <0 50 <0 50 <0 50 1534 -1176 <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 18 -1442 <br /> 03/17/93 <50 <0 50 <0 50 <0 50 Cl 50 1538 -118 <br /> 06/I8/93 <50 <0 50 <0 50 <0 50 <0 50 1237 -879 <br /> 09/23/93 <50 <0 50 <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 50 129 -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 50 145 -1092 <br /> 03/16/95 <50 <0 50 <0 50 <0 50 <0 50 1157 -799 <br /> 06/22/95 <50 <0 50 <0 50 <0 50 <0 50 115 -792 <br /> 09/26/95 <50 <0 50 <0 50 <0 50 <0.50 470 1255 -897 <br /> 12/21/95 <50 <0 50 <0 50 <0 50 <0 50 420 1246 -888 <br /> 03/06/96 <50 <0 50 <0 50 <0 50 <0.50 23 420 109 -732 <br /> 06/04/96 <50 <0 50 <0 50 <0 50 <0.50 19 NR 1049 -69 <br /> 09/17/96 NR NR NR NR NR NR NR 1142 -7 84 <br /> ' 12/09/96 NR NR NR NR NR NR NR 115 -792 <br /> 02/11/97 NR NR NR NR NR NR NR 897 -539 <br /> 06/09/97 NR NR NR NR NR NR NR NA NA <br /> 12/04/97 NR NR NR NR NR NR NR 1094 -736 <br /> 03/I0/98 NR NR NR NR NR NR NR 7 15 -3 57 <br /> 06/08/98 <50 <0 50 <0 50 1 <0 50 1 <0 50 1 23 1 NR 796 -438 <br /> Well AfW-2 <br /> 09/14/90 <50 I <0 50 27 5.3 329 1492 -11 63 <br /> 04/08/91 <50 <0 50 <0 50 <0 50 <050 14 -1071 <br /> 07/31/91 <50 <0 50 <0 50 <0 50 <030 151 -1181 <br /> 09/11/91 <50 <0 50 <0 50 <0 50 <0.50 1532 -1203 <br /> 12/18/91 <50 <0 50 <0 50 <0 50 <0 50 1546 -1217 <br /> 03/18/92 <50 06 1 <0 50 14 1453 -1124 <br /> ' 06/16/92 <50 <0 50 <0 50 <0 50 <050 1496 -1167 <br /> j 09/22/92 <50 07 1 5 <0 50 <050 1806 -1477 <br /> 12/21/92 <50 06 1 1 <050 <050 1624 -1295 <br /> ' ATC PLS\ADMINTA5K5LERWAN\QUIKSTOP1137Uilej1TABLE 1 Page 1 of 6 <br />