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Table 2 <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 msq (feet bgs) (feet ms]) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (Pg/L) (mg/L) Comments <br /> VW-3 6/26/2000 -- -- 29.78 - -- -- - -- -- -- -- -- No FP, No S, No O Not <br /> scheduled for sampling <br /> 9/28/2000 - -- 28.30 - - - -- -- -- -- -- -- No FP, No S, No 0 Not <br /> scheduled for sampling <br /> 12!18/2000 -- -- 26.08 -- - - -- - -- - -- -- No FP, No S, No O Not <br /> 3/14/2001 -- -- 24.20 scheduled for sampling <br /> -- -- - -- - -- -- - - No FP, No S, No O Not <br /> scheduled for sampling <br /> 6/19/2001 -- -- 26.50 -- -- -- ._ __ __ - - No FP, No S, No O Not <br /> scheduled for sampling <br /> 9/11/2001 -- - 29.02 - -- -- - -- - -- - - No FP, No S, No O Not <br /> scheduled for sampling <br /> 12/13/2001 NP - 28.35 - U610 � <br /> 50 <5.0 7.6 16 16[2] -- No FP, No S, No O <br /> 3/12/2002 NP - 24.80 - .50 <0.50 <0.50 <0.50 0.72[2] - No FP, No S, No O <br /> 6/17/2002 NP -- 27.60 - .50 <o.50 <0.50 <0.50 <0.50[2] -- No FP, No S, No O <br /> .9/9/2002 NP -- 29.45 - .5 <0.5 <0.5 1 .4 1 .8 -- No FP, No S, No O <br /> 12/4/2002 NP - 30.69 -- 19 1 .9 <0.5 7.9 4.6 - No FP, No S, No O <br /> 03/03/2003 NP -- 28.51 - 0 1 .8 2.3 11 3.6[2]06/03/2003 NP - 28.55 -- .3 <0.50 <0.50 <0.50 2.7[2]09/18/2003 NP -- 3207 - 32 <5.0 7.7 <5.0 <5.0[2] <br /> 12/08/2003 NP - 31 .92 - 13400 - 48 <10 24 <10 <10[2] - <br /> 03/11/2004 NP - 28.31 - 1 ,000 - 68 <10 50 <10 <10[2] - <br /> VW4 9/29/1998 NP - 29.35 - 328 -- 1 .71 <0.5 1 .1 6.12 21560 -- No FP, No S, Yes O, [42] _ <br /> 12/30/1998 NP - 27.20 - 97.2 -- <0.5 0.562 <0.5 0.746 21240 - No FP, No S, Yes O, [42] <br /> 3/31/1999 -- - 25.81 - -- -- -- -- -- - -- -- No FP, No S, No 0 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, Na 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 0 Not <br /> scheduled for sampling <br /> Report Date: May 13, 2004 <br /> ✓ _ - Page 10 of 14 <br />