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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 /> ATC PROJECT NO.75.62503.Odd3 <br /> Ethyl- oto el <br /> es ept to Groundwater <br /> Date TPH-G Benzene Toluene benzene XylenMTBE CO2 Elevation Groundwater Elevation <br /> Sampled (ug/L) (ug/L) (uglL) (ug/L) (ug/L) I (ug/L) (mg/L} (ft above MSL) (feet) (ft above MSL) <br /> Well mw <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 <br /> <0.5 <0.5 <5 NR 7.22 4.15 <br /> 06115100 <50 <0.5 <0.5 <0.5 <0.5 <br /> <5 NR 8.13 -5.06 <br /> 09/18/00 <50 <0.5 <0.5 <0.5 <0.5 <0.50 NR * 8.87 *` <br /> I I I I I I ! <br /> Notes-. <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 /> _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 /> 1 NR denotes analysis not requested. NA denotes nut available e <br /> ug/L denotes micrograms per liter. mg/L denotes milligrams per liter I <br /> denotes not detected above listed detection limit for the method I I <br /> ft denotes feet <br /> MSL denotes mean sea level I I <br /> CO denotes carbon dioxide I I <br /> I -- <br /> { <br /> *_Due to construction activities,the well MW-8 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 /> i <br /> J Iln ProYRsslQuil Stop(62507)1QS 132(1NN13}STahIcsSGroundweser Manilorinr TnbLmff.mrica1 Page 8 of 8 <br />