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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 5469 <br /> 130 S Wilson Way, Stockton, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date � P! Elevation Water Elevation GRO DRO Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg[L) (pg/L) (pg1L) (pg1L) (pg1L) I (pg/L) (pg1L) (mg1L} Comments <br /> MW-10 09108120051 P 1 1640 4320 -2680 83 -- <0 50 <0 50 <0 50 <0 54 1 <0 50 16 <br /> Notes <br /> GRO=Gasoline range organics <br /> DRO=Diesel range organics <br /> MtBE=Methyl lert-butyl ether <br /> DO=Dissolved oxygen <br /> ft=feet <br /> bgs=below ground surface <br /> msl=mean sea level <br /> TOC=top of casing <br /> ug1L=micrograms per liter <br /> mg1L=milligrams per liter <br /> P1NP=purged/not purged <br /> a=below given laboratory detection limit <br /> --=not measured or analyzed <br /> DO measured with field instruments <br /> Note Historical groundwater monitoring and chemical analytical data back to 2000 are included in Appendix D <br /> Report Date October 28,2005 ---_–� � �—������-�__ Page 2 of 2 <br />