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Table 1 <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 PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msI) (pg/L) (pg/L) (pg/L) (pg1L) (pg/L) W/L) WI-) (mg/L) Comments <br /> VW-5S 12/30/1998 - - _ -- __ _ _ __ __ _ .- -- Inaccessible because of <br /> soil stockpiles <br /> 3/31/1999 - - - - -- -- - -- -- - -- -- No FP,Yes S,Yes 0 Not <br /> scheduled for sampling <br /> 6/28/1999 - - - - -- - - - -- -- - NM Not scheduled for <br /> sampling <br /> 9/10/1999 - - 14.63 -- -- -- -- - - - - - No FP,No S,No O Not <br /> scheduled for sampling <br /> 12/13/1999 -- -- 14.64 - - - - - - - - - No FP,No S,No O Not <br /> scheduled for sampling <br /> 3/28/2000 -- - 14.56 -- - -- - - - - - - No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 6/26/2000 -- - - - - -- - -- -- No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 9/28/2000 - -- - -- - - - - - - No FP,No S,No O Not <br /> scheduled for sampling <br /> 12/18/2000 - -- 11.48 - - - - - - - No FP,No S,No O Not <br /> scheduled for sampling <br /> 3/14/2001 - - 10.44 -- -- -- -- - - - - - No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 6/19/2001 -- - 14.23 - - - - - - -- - No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 9/11/2001 -- - 13.87 - - - - -- No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 12/13/2001 -- - - - -- - -- -- -- -- - - No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 3/12/2002 NP - 9.75 -- <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] -- No FP,No S,No 0 <br /> 6/17/2002 NP - 13.07 - 190[3] -- <0.50 <0.50 <0.50 6.3 0.53[2] - No FP,No S,No 0 <br /> 9/9/2002 NP 12.73 -- <50 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- No FP,No S,No O <br /> 12/4/2002 NP - 8.67 - <50 - <0.5 <0.5 <0.5 <0.5 <0.5 -- No FP,No S.No 0 <br /> 03/03/2003 NP 11.04 - <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] - <br /> 06/03/2003 NP 10.88 -- <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] - <br /> 09/18/20Q3 - - -- - - F - - - Well dry <br /> 12/08/2003 - - - - Muddy bottom, Dry,Not <br /> Sampled <br /> 03/11/2004 NP - 10.27 -- 21,000 - 170 270 820 8,600 <100[2] - <br /> 05/03/2004 NP 13.55 -- <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] - <br /> Report Date_July 26, 2004 Page 13 of 15 <br />