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i ! • <br /> Table I <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No. 548 <br /> 1612 W. Hammer Lane, Stockton, CA <br /> TOC Depth to water Level Ethyl- Total <br /> Well Date P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pglL) (gg1L) (ug1L) WL) (pg1L) (pg1L) U191L) (mg1L) Comments <br /> VW-4 3/31/1999 -- -- 25.81 - -- -- - - - - - No FP,No S. No O Not <br /> scheduled for sampling <br /> 6/28/1999 - - 26.94 - - - -- -- -- -- No FP,No S, No O Not <br /> scheduled for sampling <br /> 9/10/1999 -- - 29.00 -- -- -- - - - - No FP,No S, No O Not <br /> scheduled for sampling <br /> 12/13/1999 -- 28.12 - - - - - - -- -- - No FP,No S,No O Not <br /> scheduled for sampling <br /> 3/28/2000 - 24.89 - - - - - - -- -- - No FP,No S.No O Not <br /> scheduled for sampling <br /> 6/26/2000 - 29.88 -- - -- - -- - - -- No FP,No S,No O Not <br /> scheduled for sampling <br /> 9/28/2000 - 28.39 -- _ -- -- -- -- - - No FP,No S,No O Not <br /> scheduled for sampling <br /> 12/18/2000 26.19 -- - - -- -- -- - No FP,No S. No O Not <br /> scheduled for sampling <br /> 3/14/2001 -- - 24.87 -- - -- -- - -- -- -- No FP,No S, No O Not <br /> scheduled for sampling <br /> 6/19/2001 - - 26.28 -- -- - - - - -- - No FP,No S, No O Not <br /> scheduled for sampling <br /> 9/11/2001 - - 29.13 - - - - -- _ - - -- No FP,No S,No O Not <br /> scheduled for sampling <br /> 12/13/2001 NP - 28.50 -- <50 -- <0.50 <0.50 <0.50 <0.50 100[2] -- No FP,No S,No O <br /> 3/12/2002 NP -- 26.10 -- <50 -- <0.50 <0.50 <0.50 <0.50 32[2] No FP,No S,No O <br /> 6/17/2002 NP 27.74 59[31 -- <0.50 <0.50 <0.50 <0.50 98[2) - No FP,No S,No O <br /> 9/9/2002 NP 30.28 -- 73 - <0.5 <0.5 <0.5 <0.5 110 - No FP,No S,No O <br /> 12!4!2002 NP - 27.51 94 -- <0.5 1.8 0.53 23 39 -- No FP,No S, No O <br /> 03/03/2003 NP - 26.25 <50 <0.50 <0.50 <0.50 <0.50 0.88[2] - <br /> 06/03/2003 NP 26.13 <50 - <0.50 <0.50 <0.50 <0.50 0.95[2] -- <br /> 09/18/2003 NP - 29.69 <50 -- <0.50 <0.50 <0.50 <0.50 50121 - <br /> 12/08/2003 NP 30.76 <50 - <0.50 <0.50 <0.50 <0.50 6.4[2] - <br /> 03/11/2004 NP 27.03 - <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[21 -- <br /> 46/11/2004 NP -- 31.03 - <50 -- <0.50 <0.50 <0.50 <0.50 1.1[21 1.6 <br /> VW-513 12/30/1998 -- -- -- - -- -- -- -- -- -- Inaccessible because of <br /> soil stockpiles <br /> Report Date:July 28,2004 Page 11 of 15 <br />