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• <br /> TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station No 6080 <br /> USEPA Method 8015/8020 (DHS LUFT) <br /> 85 Louise Avenue, Lathrop, California <br /> Elevation Static Water Groundwater Groundwater Ethyl- Total <br /> Well Top of Casing Level Elevation Flow TPHG Benzene Toluene benzene Xylenes MTBE <br /> Number Date Feet msl feet b s feet msl Direction µg/L µglL pg1L pglL }tglL pg/L <br /> MW-1 P 06/23/00 1448 847 601 NE <50 <0 5 <0 5 <0 5 <0 5 NA <br /> NP 099/08/00 1448 953 495 Flat 613 1 <0 5 <0 5 <0 5 129 214 <br /> NP 12/11/00 1448 997 451 NE 387 2 <0 5 <0 5 <0 5 189 199 <br /> P 03/22/01 1448 891 5 57 NW 84 6 z 341 <0 5 <0 5 <0 5 NA <br /> P 06/25/01 1448 937 5 11 E <50 <0 5 <0 5 <0 5 <0 5 NA <br /> MW-2 P 06/23/00 1363 773 590 NE <50 <0 5 <0 5 <0 5 <0 5 NA <br /> NP 09/08/00 1363 867 496 Flat <50 <0 5 <0 5 <0 5 <0 5 121 <br /> NP 12/11/00 13 63 9 14 449 NE <50 <0 5 <0 5 <0 5 <0 5 827 <br /> P 03/22/01 13 63 805 558 NW <50 <0 5 <0 5 <0 5 <0 5 NA <br /> P 06/25/01 1363 857 506 E <50 <0 5 <0 5 <0 5 <0 5 NA <br /> MW-3 P 06/23/00 1400 8 11 589 NE <50 <0 5 <0 5 <0 5 <0 5 NA <br /> NP 09/08/00 1400 905 495 Flat <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> NP 12/11/00 1400 951 449 NE <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> P 03/22/01 1400 845 5 55 NW <50 <0 5 <0 5 <0 5 <0 5 NA <br /> P 06/25/01 1400 891 509 E <50 <0 5 <0 5 <0 5 <0 5 NA <br /> tnsl=mean sea level <br /> gs=below ground surface <br /> <=Below detection limit for the analytical methods used <br /> `Chromatogram Pattern Weathered Gasoline 6-C12+Unidentified Hydrocarbons C6 C12 <br /> Chromatogram Pattern Unidentified Hydrocarbons C6-C12 <br /> 6080 Quai terly Data XLS Delta <br /> 1 of 1 8/25101 <br />