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TABLE l <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station No 6080 <br /> 85 Louise Avenue, Lathrop, California <br /> Elevation Static Water Groundwater Groundwater Ethyl- Total <br /> Well Sample Top of Casing Level Elevation Flow TPHg Benzene Toluene benzene Xylenes <br /> _Number Date (feet msl) (feet bgs) (feet msl) Direction ug/L ug/L ug/L ug/L ugtL <br /> MW-3 P 9/9/2002 9 53 447 SE <50 <0 5 <0 5 <0 5 <05 <br /> (cont) P 12/6/2002 1014 3 86 E-NE <50 <0 5 <0 5 <05 <05 <br /> 'Chromatogram Pattern Weathered Gasoline C6-C 12+Unidentified Hydrocarbons C6 C12 <br /> 2 Chromatogram Pattern Unidentified Hydrocarbons C6 C12 <br /> <=Below detection limit for the analytical methods used <br /> bgs=below ground surface <br /> msl=mean sea level <br /> NP=Not Purged <br /> P=Purged <br /> TPHg=total petroleum hydrocarbons as gasoline <br /> ug/L=micrograms per liter <br /> 6080_4QMR02 <br /> 2of2 <br />