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i i • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 2130 <br /> 7906 N EL Dorado Street, 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) U41-) (j g ) (pglL) (pg/L) 6U9/L) (pg/L) (pg/L) (mg/L) Comments <br /> VFW 10 06/24/2004 NP 4402 150 <25 <2 5 <2 5 <2 5 2 8[2] Water levels taken on <br /> 6/23104 <br /> 09/20/2004 P 4815 640 84 76 37 140 <2 5[2] 08 <br /> 12/21/2004 P 4457 34,000 2 600 J 4 400 J 2,300 J 7,000 J <50[2]UJ 03 lWater Level Data 12/20/04 <br /> 03/27/2005 P 41 42 12 000 2,600 1,100 1,500 2,600 <50[2] 06 <br /> 06/19/2005 P 4172 10,000 J 700 J 1,100 700 J 1,700 <12[2] 05 <br /> 09/11/2005 P 4643 4,000 - 300 260 470 520 <12[2] 04 <br /> 12/11/2005 P -- 4340 i 25,000 1,900 1,500 1,900 4,600 <25[2] 04 <br /> VW 11 12/19/2002 41 28 55 51 '050 064 <0 50 0 98[2] -- <br /> 03/06/2003 P 3904 110 12 <0 50 051 1 8 <0 50[2] 1 8 <br /> 06/11/2003 P 3857 <50 <0 50 <0 50 <0 50 <0 50 <0 50[2] 396 <br /> 09/24/2003 P 4261 74 <0 50 <0 50 <0 50 <0 50 8 0[2] -- <br /> 12/10/2003 P 4132 180 1 3 <050 21 1 3 12[2] <br /> 03/08/2004 P 3911 460 055 J <0 50 1 6 1 90 1 20[2]J 251 <br /> 06/23/2004 P 4400 <50 <0 50 <050 <050 <050 <0 50[2] 1 41 <br /> 09/20/2004 P 4816 420 27 <0 50 32 13 0 63[2] 1 0 <br /> 12/20/2004 P 4527 1,000 J 48 J <0 50 120 J 55 0 69[2] 1 99 <br /> 03/28/2005 P 4225 <50 075 <050 1 6 <0 50 <0 50[2] 30 <br /> 06/20/2005 P 4258 <50 24 J <050 43 J <0 50 <0 50[2] 1 9 Water level taken 6119/05 <br /> 09/12/2005 P 4705 450 36 <050 43 24 <0 50(2] 1 8 Water levels taken on <br /> 9/11/05 <br /> 12111/2005 P — 4387 — 4,500 — 40 <25 58 45 <25[2] 1 99 <br /> VW 12 5/20/1997 4378 1,500 150 1 58 <1' <6No FP, No S <br /> 9/1/1998 4065 NA NA NA NA NA NA <br /> 12/2/1998 3766 NA NA NA NA NA NA <br /> 3/31/1999 3757 NA NA NA NA NA NA <br /> 6/4/1999 3536 NA NA NA NA NA NA <br /> 9/2/1999 3993 NA NA NA NA NA NA <br /> 11/29/1999 3809 NA NA NA NA NA NA <br /> 3/16/2000 3423 NA NA NA NA NA NA <br /> 6/26/2000 3668 NA NA NA NA NA NA <br /> 9/28/2000 4094 NA NA NA NA NA NA <br /> 12/19/2002 - 4050 <200 120 <050 <0 50 <050 2 6[2] - <br /> Report Date January 25,20M Page 23 of 25 <br />