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• 0 • <br /> TABLE 1 - <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station No 6080 <br /> USEPA Method 8015/8020 (DHS LUFT) <br /> I 85 Louise Avenue, Lathrop, California <br /> I <br /> I <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 I feet ms]) (feet b s) (feet msl) Direction p IL p Il" p IL u L p /L <br /> MW-3 P 6/23/2000 1400 811 589 NE <50 <0 5 <0 5 <0 5 <0 5 <br /> NP 9/8/2000 905 495 Flat <50 <0 5 <0 5 <0 5 <0 5 <br /> NP 12/11/2000 951 449 NE <50 <0 5 <0 5 <0 5 <0 5 <br /> P 3/22/2001 845 555 NW <50 <0 5 <0 5 <0 5 <0 5 <br /> P 6/25/2001 891 509 E <50 <0 5 <0 5 <0 5 <0 5 <br /> P 9/24/2001 994 406 E <50 <0 5 <0 5 <0 5 <0 5 <br /> P 12/3/2001 985 415 E <50 <0 50 <0 50 <0 50 <0 50 <br /> P 3/18/2002 850 650 E-NE <50 <0 50 <0 50 <0 50 <0 50 <br /> P 6/20/2002 935 465 E <50 <0 50 <0 50 <0 50 <0 50 <br /> P 9/9/2002 953 447 SE <50 <0 5 <0 5 <0 5 <0 5 <br /> P 12/6/2002 1014 386 E <50 <0 5 <0 5 <0 5 <0 5 <br /> P 3/14/20DI 3 950 450 NE <50 <0 5 <0 5 <0 5 <0 5 <br /> 'Chromatogram Pattern Weathered Gasoline C6-C12+Unidentified Hydrocarbons C6-C12 <br /> 2Chromatogram Pattern Unidentified Hydrocarbons C6-C12 <br /> <=Below detection limit for the analytical methods used <br /> bgs=below ground surface <br /> msl=mean sea level I <br /> NP=Not Purged l <br /> i <br /> P=Purged <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> ,ug/L=micrograms per liter <br /> i <br /> K V5 SP ARC01060801QuarterlAl QTR 0316060 GWMR 1003 <br /> 2of2 <br />