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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 msl) (feet bgs) (feet ms]) (pg/L) (Pg/L) (pg/L) (pg/L) (pg/L) (pg/L
<br /> (Yg/L) (mg/L) Comments
<br /> VW-2 3/28/2000 -- -- 25.24 -- -- -- - -- - -- -- -- No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 6/26/2000 - -- 26.10 - -- -- -- - -- -- - - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 9/28/2000 -- -- 28.69 - - -- -- -- -- -- - - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 12/18/2000 - - 26.51 -- - - -- -- -- - - - No FP, No S, No O Not _
<br /> scheduled for sampling
<br /> 3/14/2001 -- -- 24.40 - -- -- -- -- -- -- - - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 6/19/2001 -- -- 25.15 - -- - -- _ __ -- No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 9/11/2001 -- -- 29.40 -- -- -- -- -- - -- - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 12/13/2001 NP -- 28.75 -- 180 [3] 1 2.6 <0.50 <0.50 <0.50 1 .5[2] - No FP, No S, No O
<br /> 3/12/2002 NP -- 26.48 -- <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] -- No FP, No S, No O
<br /> 6/17/2002 NP -- 28.03 -- <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] - No FP, No S, No O
<br /> 9/9/2002 NP -- 30.75 -- 200 - 2.3 0.77 <0.5 <0.5 4.4 -- No FP, No S, No O
<br /> 12/4/2002 NP -- 30.25 -- 770 -- 18 <0.5 <0.5 <0.5 5.4 - No FP, No S, No O
<br /> 03/03/2003 -NP-'- 28.88 -- <100 -- <1 .0 <1 .0 <1 .0 <1 .0 <1 .0[2] -
<br /> 06/03/2003 NP - 28.64 -- <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] --
<br /> 09/18/2003 NP -- 32.20 -- 380 -- <5.0 <5.0 <5.0 <5.0 <5.0[2] --
<br /> 12/08/2003 NP -- 32.01 - 490 -- <5.0 <5.0 <5.0 <5.0 5.0[2] -
<br /> 03/11/2004 NP - 28,61 -- 290 - <5.0 <5.0 <5.0 <5.0 <5.0[2] --
<br /> VW-3 9/29/1998 NP - 29.45 - 39,300 -- 21360 391 1 ,540 91790 <500 - No FP, No S, Yes O, [40]
<br /> 12/30/1998 NP -- 27.28 - 40,500 -- 3,450 287 2,370 11 ,700 <500 -- No FP, No S, Yes O, [40]
<br /> 3/31 /1999 -- - 25.87 - -- -- -- -- - -- - -- No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 6/28/1999 - - 26.88 - -- -- - -- - -- -- - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 9/10/1999 -- -- 28.89 - -- -- -- -- -- - -- -- No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 12/13/1999 -- - 28.06 - -- -- - -_ _- __ -_ - No FP, No S, No O Not
<br /> scheduled for sampling
<br /> 3/28/2000 - -- 24.88 - -- -- - -- - - - -- No FP, No S, No O Not
<br /> scheduled for sampling
<br /> Report Date: May 13, 2004 Page 9 o/ 14
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