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TABLE 1
<br /> GROUNDWATER ELEVATION AND ANALYTICAL DATA
<br /> ARCO Service Station No. 548
<br /> 1612 Han,n,P,-Lane,Stockton,California
<br /> Well Elevation Static Top Elevation Groundwater
<br /> Sample of Top Water of of Flow Ethyl- Total
<br /> Number Date of Casing Level Screen Groundwater Direction TPHg Benzene Toluene benzene Xylenes MtBE[1] Observations
<br /> VW-3 9/9/2002 NP NM 29.45 -• NE <50 5.5 <0.5 <0.5 1.4 1.6 No FP,No S,No O
<br /> (cant.)
<br /> VW-4 (42) 9/29/1998 [NP] NM 29.35 24.00 -- E 328 1.71 <0.5 1.10 6.12 2,560 No PP,No S, Yes O
<br /> (42) 12/30/1998 [NP] NM 27.20 - SE 97.2 <0.5 0.562 <0.5 0.746 2,240 No FP,No S,No O
<br /> 3/31/1999 NM 25.81 USE Not scheduled for sampling No FP,No S,No O
<br /> 6/28/1999 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 PP,No S,No O
<br /> I2/13/1999 NM 28.12 -- E Not scheduled for sampling No FP,No S,No O
<br /> 3/28/2000 NM 24.89 -- SE Not scheduled for sampling No FP,No S,No O
<br /> 6/26/2000 NM 29.88 -- E Not scheduled for sampling No FP,No S,No O
<br /> 9/28/2000 NM 28.39 E-NE Not scheduled for sampling No FP,No S,No O
<br /> 12/18/2000 NM 26.19 -- E Not scheduled for sampling No FP,No S,No O
<br /> 3/14/2001 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 fNP] NM 26.10 -- E <50 <0.50 <0.50 <0.50 <0.50 32121 No FP,No S,No O
<br /> 6/17/2002 [NP] NM 27.74 -- E 59[3] <0.50 <0.50 <0.50 <0.50 98121 No FP,No S,No O
<br /> 9/9/2002 NP NM 30.28 -- NE 73 <0.5 <0.5 <0.5 <0.5 110 No FP,No S,No O
<br /> VW-5S 12/30/1998 NM Well not located Inaccessible because of soil stockpiles
<br /> 3/31/1999 NM NM -- -- Not scheduled for sampling No FP, Yes S,Yes O
<br /> 6/28/1999 NM Dry Not scheduled for sampling NM
<br /> 9/10/1999 NM 14.63 -- -- Not scheduled for sampling No FP,No S,No O
<br /> 12/13/1999 NM 14.64 - -- Not scheduled for sampling No FP,No S,No O
<br /> 3/28/2000 NM 14.56 -- -- Not scheduled for sampling No FP,No S,No O
<br /> 6/26/2000 NM DRY -- Not scheduled for sampling No FP,No S,No O
<br /> 9/28/2000 NM DRY -- Not scheduled for sampling No FP,No S,No O
<br /> 12/18/2000 NM 11.48 -- E Not scheduled for sampling No FP,No S.No O
<br /> 3/14/2001 NM 10.44 -- E Not scheduled for sampling No FP,No S,No O
<br /> 6/19/2001 NM 14.23 E Not scheduled for sampling No FP,No S,No O
<br /> 9/11/2001 NM 13.87 -- E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/2001 NM DRY E-NE Not scheduled for sampling No FP,No S,No O
<br /> 3/12/2002 [NP] NM 9.75 -- E <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] No FP,No S,No O
<br /> 0548 QNIR3Q02
<br /> 8 of 10
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