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TABLE 4 <br /> WELL CONSTRUCTION DETAILS <br /> Wards and Unocal Wells <br /> I <br /> Wards Wells <br /> GROUND WATER MONITORING WELLS 1 of 2 <br /> Well Depth to Blank Screened Sand Bentonite Cement/ <br /> Number Bottom Casing Interval Pack Seal Grout <br /> (in feet bgs*) (:n feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) <br /> MW-1 68 0 to 48 48 to 68 43 to 68 40 7 to 43 0 to 40 7 <br /> MW-2 68 0 to 48 5 48 5 to 68 5 43 to 68 41 5 to 43 0 to 41 5 <br /> MW-3 67 0 to 47 47 to 67 45 to 67 43 to 45 0 to 43 <br /> MW-4 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 <br /> MW-5 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 <br /> MW-6 675 0 to 47 5 47 5 to 67 5 45 5 to 47 5 43 5 to 45 5 0 to 43 5 <br /> MW-7 1 67 1 0 to 42 42 to 67 1 40 to 67 1 37 5 to 40 0 to 37 5 <br /> VAPOR EXTRACTION AND COMBINATION WELLS <br /> Well Depth to Blank Screened Sand Bentonite Cement/ <br /> Number Bottom Casing Interval Pack Seal Grout <br /> (in feet bgs*) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) <br /> VEW-lA 26 Oto 10 1O to 25 8to26 6to8 0to6 <br /> VEW-1B 66 0 to 25 25 to 40 23 to 41 21 to 23 0 to 21 <br /> 40 to 64 64 to 65 62 to 66 41 to 62 <br /> VEW-2 36 0 to 15 15 to 35 13 to 36 10 to 13 0 to 10 <br /> VEW-213 51 0 to 35 35 to 56 33 to 51 31 to 33 0 to 31 <br /> VEW-3 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br /> 30 to 40 40 to 50 38 to 51 31 to 38 <br /> VEW-4 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br /> 30 to 40 40 to 50 38 to 51 31 to 38 <br /> VEW-5 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 <br /> 30 to 40 40 to 50 38 to 51 31 to 38 <br /> VEW-6 60 Oto 10 1O to 30 9to31 7to9 Oto ? <br /> 0 to 55 55 to 60 53 to 60 47 to 53 <br /> VEW-7 60 Oto 10 1O to 30 9to31 7to9 Oto ? <br /> 0to545 545to595 53 to 595 465to53 <br /> VEW-8 60 0 to 10 10 to 30 9 to 31 7 to 9 0 to 7 <br /> 0to545 545to595 52 to 595 47 to 52 <br /> VEW-9 60 Oto 10 10 to 30 95to31 7to95 Oto ? <br /> 0to545 545to595 53 to 595 4725 to 53 <br /> VEW-10 60 Oto 10 1O to 30 9to31 75to9 0to75 <br /> Oto 545 545to595 52 to 595 48 to 52 <br /> VEW-11 60 Oto 10 10 to 30 9to31 7to9 0to7 <br /> Oto 545 545to595 525to595 475to525 <br /> VEW-12 60 0 to 10 10 to 30 9 to 31 6 to 9 0 to 6 <br /> 0 to 55 55 to 60 53 to 60 48 to 53 <br /> VEW-13 60 0 to 15 15 to 30 14 to 31 11 to 14 0 to 11 <br /> 0 to 55 55 to 60 52 to 60 47 to 52 71 <br /> N 1232 WFLLDFTAFL ENVIRONMENTAL AUDIT,INC O <br />