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Table 1
<br /> Groundwater Monitoring Data
<br /> 1995 to Present
<br /> ARCO Service Station No. 548, 1612 Hammer Lane, Stockton, California
<br /> Well Elevation Static. Top Elevation Groundwater
<br /> Sample of Top Water of of Flo►* Ethyl- Total
<br /> Number Date, of Casing Level Screen Groundnater Direction TPHG Bcwune Toluene kwene Xylenes MTBE [11 Observations
<br /> VW-1 (43) 09/29/98 [NP] NM 2873 -- E 18,800 573 590 873 4,120 2,300 No FP,No S, Yes O
<br /> VW-1 (43) 12/30/98 [NP] NM 2650 -- S 11 19,200 2,150 <50 691 3,310 785 No FP,No S,Yes O
<br /> VW-1 03/31/99 NM 2497 - E-SL Not scheduled for sampling No FP,No S,No O
<br /> VW-1 06/28/99 NM 25 99 -- SE Not scheduled foi sampling No FP,No S,O=NL
<br /> VW-1 09/10/99 NM 2833 -- E Not scheduled for sampling No FP,No S,O=NE
<br /> VW-1 12/13/99 NM 2746 -- L Not scheduled for sampling No FP,No S,O=NE
<br /> VW-1 03/28/00 NM 2423 -- SL Not scheduled for sampling No FP,No S,O=NL
<br /> VW-1 06/26/00 NM 25 11 - E Not scheduled for sampling No FP,No S,O=NE
<br /> V W-1 09/28/00 NM 2772 -- L-NE Not scheduled for sampling No FP,No S,O=NL
<br /> VW-2 (4 1) 09/29/98 [NP] NM 2901 -- L 13,200 822 X12 5 1,370 754 <125 No FP,No S, Yes O
<br /> VW-2 (4 1) 12/30/98 [NP] NM 2747 -- SE 8,950 778 <20 1,180 339 <200 No 111,No S,Ycs O
<br /> VW-2 03/31/99 NM 2521 -- E-SE Not scheduled for sampling No FP,No S,No O
<br /> VW-2 06/28/99 NM 2635 -- SE Not scheduled for sampling No FP,No S,O=NL
<br /> VW-2 09/10/99 NM 2929 -- E Not scheduled for sampling No F P,No S,O=NE
<br /> VW-2 12/13/99 NM 2843 1: Not scheduled for sampling No PP,No S,O=NE
<br /> V W-2 03/28/00 NM 2524 -- SE Not scheduled for sampling No FP,No S,O=NE
<br /> VW-2 06/26/00 NM 26 10 - L Not scheduled for sampling No FP,No S,O=NE
<br /> VW-2 09/28/00 NM 2869 -- E-NE Not scheduled for sampling No FP,No S,O=NE
<br /> VW-3 (40) 09/29/98 [NPJ NM 2945 -- E 39,300 2,360 391 1,540 9,790 <500 No FP,No S,Yes O
<br /> VW-3 (40) 12/30/98 [NPI NM 2728 -- SL 40,500 3,450 287 2,370 11,700 <500 No IP,No S, Yes O
<br /> VW-3 03/31/99 NM 2587 -- E-SE Not scheduled for sampling No FP,No S,No O
<br /> VW-3 06/28/99 NM 2688 -- SE Not scheduled for sampling No FP,No S,O=NE
<br /> VW-3 09/10/99 NM 2889 -- E Not scheduled for sampling No PP,No S,O=NE
<br /> VW-3 12/13/99 NM 2806 -- L Not scheduled for sampling No FP,No S,O=NE
<br /> VW-3 03/28/00 NM 2488 -- SE Not scheduled for sampling No FP,No S,O=NE
<br /> VW-3 06/26/00 NM 2978 -- E Not scheduled for sampling No FP,No S,O=NE
<br /> VW-3 09/28/00 NM 2830 -- U-NE Not scheduled for sampling No FP,No S,O=NE
<br /> C lARCO\05481Q7itM0548Q300 pelta
<br /> Page 7 of 9 M14M
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