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TABLE 1 <br /> SUMMARY OF MONITORING WELL DETAILS <br /> New West Petroleum #1003 (Flag City Shell) <br /> 6437 West Banner Street, Lodi, California <br /> 1.WeII Installation Borehole Total Casing Casing Casing Screen Filte pack Bentonite Grout <br /> D Date Diameter Depth Diameter Material Slot Size <br /> EW-1 10/28/05 12-inch 25 ft Elevation Interval Interval Interval Interval <br /> EW-2 10/27/05 12 inch 6-inch PVC 0.02-inch 12.52 5 to 25 ft 4 to 25 ft 3 to 4ft 1 to 3 ft <br /> EW-3 25 ft 6-inch PVC 0.02-inch 12.27 5 to 25 ft 4 to 25 ft 3 to O ft 1 to a ft <br /> 10/27/05 12-inch 25 ft 6-inch PVC 0.02-inch 12.18 5 to 25 ft 4 to 25 ft 3 to 4 ft 1 to 3 ft <br /> • EW 4 11/30/05 12-inch 25 ft 6-inch PVC 0.02-inch 11.99 5 to 25 ft 4 to 25 ft 3 to 4 ft 1 to 3 ft <br /> EW-5 11/30/05 12-inch 25 ft 6-inch PVC <br /> EW-6A 09/22/08 10-inch 25 ft 0.02-inch 12.31 5 to 25 ft 4 to 25 ft 2'/to 4 ft 1'/to 2'/ft <br /> EW-7A 09/22/08 10-inch 4-inch PVC 0.02-inch 11.72 5 to 25 ft 4 to 25 ft 2'/to 4 ft %to 2%ft <br /> 25 ft 4-inch PVC 0.02-inch 11.93 5 to 25 ft 4 to 25 ft 2%to 4 ft %to 2%ft <br /> EW-7B 09/23/08 10-inch 50 ft 0.02-inch 11.98 35 to 50 ft 33 to 50 ft 30 to 33 ft /to 30 ft <br /> EW-86 09/24/08 10-inch 50 ft 4-inch PVC <br /> EW-9B 09/25/08 10-inch 50 ft 4-inch PVC 0.02-inch 10.72 35 to 50 ft 33 to 50 ft 30 to 33 ft /to 30 ft <br /> EW-10A 09/25/08 10-inch 25 ft 4-inch PVC 0.02-inch 9.97 30 to 50 ft 28 to 50 ft 25 to 28 ft /to 25 ft <br /> Notes: <br /> 4-inch PVC 0.02-inch 11.77 5 to 25 ft 4 to 25 ft 2%to 4ft %to 2%ft <br /> Monitoring wells MW-19(Aa B)and MW-20(A 8,B)were trasferred from the Flag City Chevron to the Flag City Shell investigation. <br /> ft: feet below surface grade <br /> PVC: Polyvinylchloride <br /> ':Monitoring well MW-1 OD originally installed on 18 September 2007;due to obstruction,well was destroyed and re-installed on 30 November 2007. <br /> • <br /> Advancer/ CeoEnviromnental,Inc. <br />