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r <br /> TABLE 4 <br /> WELL CONSTRUCTION DETAILS <br /> r. <br /> Wards and Unocal Wells <br /> �I <br /> iA Wards Wells <br /> GROUND WATER MONITORING WELLS 1 of2 <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 /> (� MW-1 68 0 to 48 48 to 68 43 to 68 40.7 to 43 0 to 40.7 <br /> i I 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 4747 to 67 45 to 67 43 to 45 0#0 43 <br /> MW-4 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 <br /> e J MW-5 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 <br /> MW-6 67.5 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 67 0 to 42 42 to 67 40 to 67 37.5 to 40 0 to 37.5 <br /> VAPOR EXTRACTION AND COMBINATION WELLS <br /> r, Well Depth to Blank Screened Sand Bentonite Cement/ <br /> Number Bottom Casing Interval Pack Seal Grout <br /> x (in feet bgs*) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) <br /> 7EW-1A 26 0 to 10 10 to 25 8 to 26 6 to 8 0 to 6 <br /> t y VEW-1B 66 0 to 25 25 to 40 23 to 41 21 to 23 0 to 21 <br /> C 40 to 64 64 to 65 1 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-2B 51 0 to 35 35 to 50 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 /> y 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 0 to 10 10 to 30 9 to 31 7 to 9 0 to 7 <br /> 0 to 55 55 to 60 53 to 60 47 to 53 <br /> F-1, <br /> VEW-7 60 0 to 10 10 to 30 9 to 31 7 to 9 0 to 7 <br /> 0 to 54.5 54.5 to 59.5 53 to 59.5 46.5 to 53 <br /> V.EW-8 60 0 to 10 10 to 30 9 to 31 7 to 9 -0t o 7 <br /> 0 to 54.5 54.5 to 59.5 52 to 59.5 47 to 52 <br /> 4 VEW-9 60 0 to 10 10 to 30 9.5 to 31 7 to 9.5 0 to 7 <br /> 0 to 54.5 54.5 to 59.5 53 to 59.5 47.25 to 53 <br /> VEW-10 60 0 to 10 10 to 30 9 to 31 7.5 to 9 0 to 7.5 <br /> 0 to 54.5 54.5 to 59.5 52 to 59.5 48 to 52 <br /> VEW-11 60 0to10 10 to 30 9to31 `7to9 Oto? <br /> 0 to 54.5 54.5 to 59.5 52.5 to 59.5 47.5 to 52.5 <br /> E . 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 Oto 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 C <br /> s <br /> I <br /> Fj <br /> N:1232VEL1,DerAn. ENVIRONMENTAL AUDIT,INC � <br />