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<br /> G.
<br /> TABLET
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station No.548
<br /> 1612 Hammer Lane,Stockton,California
<br /> Well Top of Static Top Groundwater Ethyl- Total
<br /> Sample Sample Casing Water of Groundwater Flow TPH9 Benzene Toluene benzene Xylenes MtBE(1]
<br /> Number Date Elevation Level Screen Elevation Direction /L Observations
<br /> VW-3 (40) 9/29/1998 [NP] NM 29.45 22,00 E $9,300 2,360 391 1,540 9,790 <500 No FP,No S,Yes O
<br /> (40) 12130!1998 [NP] NM 27.28 $E 40,500 3,450 287 2,370 11,700 <500 No FP,No S,Yes 0
<br /> 3131/1999 NM 25.87 E-SE Not scheduled for sampling No FP,No S,No O
<br /> 6/28/1999 NM 26,88 SE Not scheduled for sampling No FP,No S,No O
<br /> 9/10/1999 NM 28.89 E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/1999 NM 28.06 - E Not scheduled for sampling No FP,No S,No O
<br /> 3/28/2000 NM 24.88 SE Not scheduled for sampling No FP,No S,No O
<br /> 612612000 NM 29.78 E Not scheduled for sampling No FP,No S,No O
<br /> 9/28/2000 NM 28.30 E-NE Not scheduled for sampling No FP,No S,No O
<br /> 12/18/2000 NM 26.08 E Not scheduled for sampling No FP,No S,No O
<br /> 3114!2001 NM 24.20 E Not scheduled for sampling No FP,No S,No O
<br /> 6/19/2001 NM 26.50 E Not scheduled for sampling No FP,No S,No O
<br /> 9/11/2001 NM 29.02 E Not scheduled for sampling No FP,No S,No O
<br /> 12/1&2G01 INP] NM 28.35 E-NE 11100 150 <5.0 7.6 16 16[2] No FP,No S,No O
<br /> V-12/2002 [NP] NM 24.80 E <50 <0.50 <0.50 <0.50 <0.50 0.72[2] No FP,No S,No O
<br /> 5/17/2002 [NP] NM 27.60 E <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] No FP,No S,No O
<br /> 9/9/2002 NP NM 29.45 NE <50 5.5 <0.50 <0.50 1.4 1.6 No FP,No S,No O
<br /> 12/4=02 NP NM $0.69 NE 610 19 1.9 <0.50 7.9 4,6 No FP,No S,No O
<br /> 3/3/2003 NP NM 28.51 SE 1,300 20 1.8 2.3 1.1 3.6[2] No FP,No S,No O
<br /> 6/3/2003 NP NM 28.55 SE 83 4.3 <0.50 <0.50 <0.50 2.7[2] No FP,No S,No O
<br /> 9/1812003 NP NM 32.07 -- SE 630 32 <5.0 7.7 <5.0 <5.0[2] No FP,No S,No O
<br /> VW-4 (42) 9/2911998 [N P] NM 29.35 24,00 E 328 1.71 <0.5 1.10 6.12 2,560 No FP,No S,Yes 0
<br /> (42) 12/30/1998 [N P] NM 27.20 SE 97.2 <0.5 0.562 <0.5 0.746 2,240 No FP,No S,No O
<br /> 3131!1999 NM 25.81 E-SE Not scheduled for sampling No FP,No 5,No 0
<br /> 612811999 NM 26.94 SE Not scheduled for sampling No FP,No S,No O
<br /> 9/10/1999 NM 29.00 E Not scheduled for sampling No FP,No S,No O
<br /> 12/13(1999 NM 28.12 E Not scheduled for sampling No FP,No S,No 0
<br /> 3/28/2000 NM 24.89 SE Not scheduled for sampling No FP,No S,No 0
<br /> 6/26/2000 NM 29,88 E Not scheduled for sampling No FP,No S,No 0
<br /> 9/28/2000 NM 28.39 E-NE Not scheduled for sampling No FP,No S,No 0
<br /> 12/18/2000 NM 26.19 E Not scheduled for sampling No FP,No S,No 0
<br /> 31412001 NM 24.87 E Not scheduled for sampling No FP,No S,No O
<br /> 6/19/2001 NM 26,28 E Not scheduled for sampling No FP,No S,No O
<br /> 9/11/2001 NM 29.13 E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/2001 [NP] NM 28.50 E-NE <50 <0.50 <0.50 <0.50 <0.50 100[2] No FP,No S.No O
<br /> 3/12/2002 [NP] NM 26.10 E <50 <0.50 <0.50 <0.50 <0.50 32[2] No FP,No S,No 0
<br /> 6/17/2G02 [NP] NM 27.74 E 59[3] <0.50 <0.50 <0.50 <0.50 98[2] No FP,No S,No O
<br /> 9/9/2002 NP NM 30.28 NE 73 <0.50 <0.50 <0.50 <0.50 110 No FP,No S,No 0
<br /> 12/412002 NP NM 27.51 NE 94 <0.5 1.8 0.53 23 39 No FP,No S,No O
<br /> 3/3/2003 NP NM 26.25 - SE <50 <0.50 <0.50 <0.50 <0.50 0.88[2] No FP,No S,No O
<br /> 6/3/2003 NP NM 26.13 SE <50 <0.50 <0.50 <0.50 <0.50 0.95[2] No FP,No S,No 0
<br /> 9/18/2003 NP NM 29.69 •- SE <50 <0.50 <0.50 <0,50 <0.50 60[2] No FP,No S,No O
<br /> K:1WprooessLJ5 BP AR005o054MQuarterlyl3 QTR 0310548 QMR 3003 Page a of 10
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