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TABLE 2 <br /> . GROUNDWATER LEVEL DATA <br /> ARCO Service Station No 6100 <br /> 25775 Patterson Pass Road <br /> Tracy,California <br /> Top of Casing Depth to Total Depth Floating Product Groundwater <br /> Well Date Elevation I Groundwater of Wella Thickness Elevation <br /> ID Measured feet msl (feet b s feet bgs) (feet in <br /> VW-16 10/3/00 NM 5800 5900 <br /> 12/27/00 5840 <br /> 12/29/00 5840 <br /> 2/7/01 58 60 <br /> 8/20101 58 10 <br /> VW-17 10/3/00 28926 Dry 10200 Dry <br /> 12/27/00 Dry Dry <br /> 12/29/00 Dry Dry <br /> 2/7/01 Dry Dry <br /> 8/20/01 Dry Dry <br /> VW-18 10/3/00 27441 Dry 7300 Dry <br /> 12/27/00 Dry Dry <br /> 12/29/00 Dry Dry <br /> 2/7/01 Dry Dry <br /> 8/20/01 7295 <br /> VW-19 1013/00 27633 Dry 8900 Dry <br /> 12/27/00 Dry Dry <br /> 12/29/00 Dry Dry <br /> 2/7101 Dry Dry <br /> 8/20/01 Dry Dry <br /> VW-20 10/3/00 27508 7779 7800 <br /> 12/27/00 7776 <br /> 12/29/00 7777 <br /> 02/07/01 Dry Dry <br /> 08/20/01 Dry Dry <br /> ms1=mean sea level <br /> bgs=below ground surface <br /> 1 Top of casing elevations surveyed October 2001 by Morrow Surveying <br /> Well MW-1 is monitored on a weekly basis, and free product is measured and removed, <br /> see Table 1 for additional information/details <br /> As measured during sampling <br /> *Water observed in well does not appear to be groundwater from surrounding formation,well mterpretted <br /> to be dry <br /> Arco-6100—Quarterly—Data As Page 6 of 6 <br />