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7 <br /> Table 1 <br /> ! CUMULATIVE RESULTS OF GROUNDWATER SAMPLING ANDANALYSES <br /> • QUIK STOP MARKET NO. 132 <br /> 2555 WEST HAMMER LANE <br /> STOCKTON, CALIFORNIA <br /> ATC PROJECT NO. 75.62503.0003 <br /> Ethyl- ota Wellepth to Groundwater <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ug/L) (ug/L) (ug/L} I (ug/L) (ug(L) (ug/L) (mg/L) (ft above MSL) (feet) (ft above MSL) <br /> Well MW-8 <br /> 12/09/99 <50 <0.5 <0.5 <0.5 <0.5 <5 NR 3.07 9.78 -6.71 <br /> 03/27/00 <50 <0.5 <0.5 <0.5 <0.5 <5 NR 7.22 4.15 <br /> otes: <br /> ell 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 /> PH-G denotes total petroleum hydrocarbons as gasoline <br /> MTBE denotes methyl-tert-butyl ether;from 12-3-98 MTBE analyses were performed by EPA Method 8260 <br /> R denotes analysis not requested. NA denotes not available <br /> ug/L denotes micrograms per liter. mg/L denotes milligrams per liter <br /> <denotes not detected above listed detection limit for the method <br /> ft denotes feet <br /> MSL denotes mean sea level <br /> 11CO2 denotes carbon dioxide <br /> • <br /> J,N[nProgroslQ�ikSmp(625a3)tQ5131{U(1DSµTa6W��latQtr2W0C'WSamplingTablc.%JsViistnnnl <br /> Pae 8 of 8 <br />