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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 /> EWell Date P/ Elevation Water Elevation TPHg TPHd Benzene 'toluene benzene Xylenes MtBE DO <br /> Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) (w9IL) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (mg/L) Comments <br /> 6/28/1999 26.35 No FP,No S, No O Not <br /> 9/10/1999 -- scheduled for sampling <br /> 29 29 No FP,No S, No O Not <br /> 12/1311999 __ 28.43 scheduled for sampling <br /> -- No FP,No S, No O Not <br /> 3/28/2000 25.24 scheduled for sampling <br /> -" - No FP,No S, No O Not <br /> 6/26/2000 scheduled for sampling <br /> 26.10 -- - No FP,No S, No O Not <br /> 9/28/2000 P8.B9 scheduled for sampling <br /> -- <br /> No FP,No S, No O Not <br /> 12/18/2000 -- 26,51 scheduled for sampling <br /> No FP,No S, No O Not <br /> 3/14/2001 24,40 _ - scheduled for sampling <br /> No FP,No S, No O Not <br /> 6/19/2001scheduled for sampling <br /> 25.15 -- -- No FP,No S,No O Not <br /> 9/11/2001 -- 29.40 scheduled for sampling <br /> - No FP,No S,No O Not <br /> 12/33/2001 NP - 2$,75 scheduled for sampling <br /> 180[3] - 2.6 <0.50 <0.50 <0.50 1.5[2] No FP,No S,No O <br /> 3!1212002 NP 26.48 -' <50 c0.54 c0.50 c0.50 <0.5D <0.50[2] No FP,No S, No O <br /> 6/17/2002 NP 28.03 <50 <0.50 <0.50 <0.50 <0.50 <0.50 2 <br /> 9/9/2002 NP - [ ) No FP,No 5,No O <br /> 30.75 200 2.3 0.77 <0.5 <0.5 4.4 No FP,No S,No O <br /> 12/4/2002 NP 30.25 -- 770 18 <0.5 <0.5 <0.5 5.4 No FP,No S, No O <br /> 03/03/2003 NP 28.88 - <100 <1.0 <1.0 <1.0 <1.0 <1.0[2] <br /> 06/03/2003 NP 2$_64 <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] <br /> 09/18/2003 NP 32.20 -- 380 c5.0 <5.0 <5A <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 <5.4 <5.0 <5.0[2) <br /> 06/11/2004 NP 31.30 - <50 - <0.50 <0.50 10.50 <0.50 <0.50[2] 2.0 <br /> 08/03/2004 P 32.71 600 3.9 <0.50 12 1.1 2.4[2] 1.9 <br /> 12/22/2004 P -- 32.03 470 <2.5 <2.5 4.2 <2.5 <2.5[2] 4.7 <br /> 03/30120D5 P 29.53 - 1,600 11 4.9 140 170 <2.5[2) 1.84 Water Level data <br /> 06/16/2005 P collected 3129105 <br /> 28.97 1,400 7.6 1.3 85 86 2.6[2] 1.15 <br /> Report Date.November 17,2005 <br /> Page 11 of 17 <br />