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TABLE 1
<br /> GROUNDWATER ELEVATION AND ANALYTICAL DATA
<br /> ARCO Service Station No. 548
<br /> 1612 Hammer Lane,Stockton,California
<br /> Well EIevation Static Top Elevation Groundwater Ethyl- Total
<br /> Sample of Top Water of of Flow TPHg Benzene Toluene benzene Xylenes MtBE[1]
<br /> Number Date of Casing Level Screen Groundwater Direction 9911 49/1 994 µg4 1494 µg4 Observations
<br /> VW-1 3/28/00 NM 24.23 -- SE Not scheduled for sampling No FP,No S,No O
<br /> (cant) 6126/00 NM 25.11 -- E Not scheduled for sampling No FP,No S,No O
<br /> 9128/00 NM 27.72 -- E-NE Not scheduled for sampling No FP,No S,No O
<br /> 12/18/00 NM 25.50 -- E Not scheduled for sampling No FP,No S,No O
<br /> 3/14101 NM 24.33 -- E Not scheduled for sampling No FP,No S,No O
<br /> 6119101 NM 25.50 -- E Not scheduled for sampling No FP,No S,No O
<br /> 9111101 NM 26.28 -- E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/01 [NP] NM 27.74 -- E-NE <50 2.5 <0.50 <0.50 <0.50 87[2] No FP,No S,No O
<br /> 3112102 [NP] NM 25.20 -- E <50 <0.50 <0.50 <0.50 <0.50 0.68[2] No FP,No S,No O
<br /> 6117/02 [NP] NM 26.95 -- E <50 <0.50 <0.50 <0.50 <0.50 7.8[2] No FP,No S,No O
<br /> 9/9/02 NP NM 29.54 NE <50 0.55 <0.5 <0.5 <0.5 60 No FP,No S,No O
<br /> 1214/02 NP NM 29.64 -. NE 310 14 0.59 1.1 6.1 97 No FP,No S,No O
<br /> VW-2(41) 9/29/98 [NP] NM 29.01 25.00 E 13,200 822 <12.5 1,370 754 <125 No FP,No S,Yes O
<br /> (41) 12/30/98 [NP] NM 27.47 SE 8,950 778 <20 1,180 339 <200 No FP,No S,Yes O
<br /> 3/31199 NM 25.21 -- E-SE Not scheduled for sampling No FP,No S,No O
<br /> 6/28199 NM 26.35 - SE Not scheduled for sampling No FP,No S,No O
<br /> 9/10/99 NM 29.29 -- E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/99 NM 28.43 -- E Not scheduled for sampling No FP,No S,No O
<br /> 3/28/00 NM 25.24 -- SE Not scheduled for sampling No FP,No S,No O
<br /> 6/26/00 NM 26.10 -- E Not scheduled for sampling No FP,No S,No O
<br /> 9/28/00 NM 28.69 -- E-NE Not scheduled for sampling No FP,No S,No O
<br /> 12/18/00 NM 26.51 -- E Not scheduled for sampling No PP,No S,No O
<br /> 3/14/01 NM 24.40 -- E Not scheduled for sampling No FP,No S,No O
<br /> 6/19/01 NM 25.15 -- E Not scheduled for sampling No FP,No S,No O
<br /> 9111/01 NM 29.40 -- E Not scheduled for sampling No FP,No S,No O
<br /> 12/13/01 [NP] NM 28.75 -- E-NE 180[3] 2.6 <0.50 <0.50 <0.50 15[2] No FP,No S,No O
<br /> 3/12/02 [NP] NM 26.48 E <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] No FP,No S,No O
<br /> 6/17/02 [NP] NM 28.03 -- E <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] No FP,No S,No O
<br /> 9/9/02 NP NM 30.75 NE 200 2.3 0.77 <0.5 <0.5 4.4 No FP,No S,No O
<br /> 1214/02 NP NM 30.25 -- NE 770 1s <0.5 <0.5 <0.5 5.4 No FP,No S,No O
<br /> VW-3 (40) 9/29/98 [NP] NM 29.45 22.00 E 39,300 2,360 391 1,540 9,790 <500 No FP,No S,Yes O
<br /> 40 12/30/98 NM 27.28 -- SE 40,500 3,450 287 2,370 11,700 <500 No fl?,No S,Yes O
<br /> 054$QMR4QO2
<br /> 7 of 10
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