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TABLE 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> QU1K STOP MARKET NO,132 <br /> 3555 WEST HAMMER LANE <br /> STOCKTON,CALIFORNIA <br /> Ethyl- Total Well Depth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 levation Groundwater Elevation <br /> Sampled u !L u 1L u !L u !L u !L u 1L m fL �,E <br /> above MSLJ feet ft above MSL <br /> tNel!NIliV-10 <br /> 08/23/01 <50 <0.50 <0.50 <0.50 -40.50 <5.0 NR 3.16 9.97 -6.81 <br /> 11/30/01 <50 <1.0 <1.0 <1.0 <11.0 <0.50 NR 10.50 -7.34 <br /> 02/27/02 <50 <0.50 <0.50 <0.50 <1.0 <0.50 NR 9.58 -6.42 <br /> 05/31/02 <50 <0.50 <0.50 <0.50 <1.0 <0.50 NR 9.56 -6.40 <br /> 08130!02 <50 <0.50 <0.50 <0.50 <1.0 4.50 NR 10.51 .7.35 <br /> 11/19/02 <50 <0,50 <0.50 <0.50 <1.0 <0.50 NR 10.90 -7.74 <br /> 03/06/03 <50 <0.50 <0.50 <0.50 <1.0 0.60 NR 10.56 -7.40 <br /> 05128!03 <50 <0.50 <0.50 <0.50 <1.0 0.96 NR 10.38 -7.22 <br /> 09/11/03 <50 <0.50 <0.50 <0.50 <1.0 0.68 NR 11.07 -7.91 <br /> 01130104 <50 -40.50 <0.50 <0.50 <1.0 3.10 NR 10.56 -7.40 <br /> 0330104 NR NR NR NR NR 3.40 NR 10.07 -6.91 <br /> 06117/04 NR NR NR NR NR 1.70 NR 10.34 -7.18 <br /> 09130/04 NR NR NR NR NR 0.80 NR 11.1 -7.94 <br /> 12114/04 NR NR NR NR NR 0.63 NR 11.91 -8.75 <br /> 03114105 NR NR NR NR NR <0.50 NR 9.32 -6.16 <br /> 05124105 NR NR NR NR NR <0.50 NR 9.13 -5.97 <br /> 08124105 NR NR NR NR NR <0.50 NR 9.95 -6.79 <br /> 08124105 NR NR NR NR I NR 1 <0.50 NR micro ur a 9.95 -6.79 <br /> 11130105 Car Parked on Well <br /> 03113106 <25 <0.50 1 -40.50_1_ <0.50 1 <0.50 1 <1,0 I NR I micro ur a 9.06 -5.90 <br /> 06114106 Well has been destroyed r <br /> Notes: <br /> In Bold denotes results from recent sampling event <br /> Well MW-8 was installed on 11-19-99 and surveyed by Siegfried Engineering Inc.on 12-9-99;MW-2.MW-5.and MW-6 were also surveyed. <br /> Wells MW-9 and MW-10 were instalied on August 7,2001 and surveyed by Morrow Surveying on August 29,2001 <br /> TAH-G denotes total petroleum hydrocarbons as gasoline <br /> MTBE denotes methyl-ten-butyl ether;from 12-3-98 MTBE analyses were performed by EPA Method 8260 <br /> NR denotes analysis not requested. NA denotes not available <br /> ug1L denotes micrograms per liter. mg1L denotes milligrams per liter <br /> <denotes not detected above listed detection limit for the method <br /> It denotes feet <br /> MSL denotes mean sea level <br /> CO2 denotes carbon dioxide <br /> Due to construction activities,the well MW-B elevation has been changed,but the well could not be resurveyed prior to this monitoring event. <br /> Because MW-8 needs to be resurveyed,the groundwater elevation for MW-8 could not be determined. <br /> '**MW--8 was recently paved over by the City of Stockton preventing access to it. ATC was unable to collect a sample from this well <br /> and the groundwater elevation could not be calculated for well MW-8 this quarter <br /> "Hydrocarbon reported in the gasoline range does not match the gasoline standard <br /> ""Sample contains descrete peak in gasoline range <br /> ^""Quantic of unknown hydrocarbon(s)in sample based on gasoline. <br /> Page 9 131`9 <br />