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TABLE 4 WELL CONSTRUCTION DETAILS 16 Stockton, Califronia ' Montgomery Ward Wells g rY ' GROUND WATER MONITORING WELLS Pate 1 oft Well Depth to Blank Screened Sand Bentonite Cement/ Number Bottom Casing Interval Pack Seal Grout ' (in feet bgs*) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) MW-1 68 0 to 48 48 to 68 43 to 68 40 7 to 43 0 to 40 7 MW-2 68 0 to 48 5 48 5 to 68 5 43 to 68 4 l 5 to 43 0 to 41 5 MW-3 67 0 to 47 47 to 67 45 to 67 43to 45 0 to 43 ' MW-4 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 MW-5 68 0 to 48 48 to 68 46 to 68 44 to 46 0 to 44 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 ' MW-7 67 0 to 42 42 to 67 1 40 to 67 37 5 to 40 0 to 37 5 VAPOR EXTRACTION AND COMBINATION WELLS Well Depth to IBlank Screened Sand Bentonite Cement/ Number Bottom Casing Interval Pack Seal Grout (in feet bgs*) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) (in feet bgs) ' VEWAA 26 0 to 10 10 to 25 8 to 26 6 to 8 0 to 6 VEW-1B 66 0 to 25 25 to 40 23 to 41 21 to 23 0 to 21 40 to 64 64 to 65 62 to 66 41 to 62 VEW-2 36 0 to 15 15 to 35 13 to 36 10 to 13 0 to 10 VEW-213 51 0 to 35 35 to 50 33 to 51 31 to 33 0 to 31 VEW-3 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 ' 30 to 40 40 to 50 38 to 51 31 to 38 VEW-4 51 0 to 20 20 to 30 18 to 31 16 to 18 0 to 16 30 to 40 40 to 50 38 to 51 31 to 38 ' VEW-5 51 0 to 20 20 to 30 18 to 3l 16 to—]8 0 to 16 30 to 40 40 to 50 38 to 51 31 to 38 VEW-6 60 Oto 10 10 to 30 9to31 7to9 Oto ? ' 0 to 55 55 to 60 53 to 60 47 to 53 VEW-7 60 0 to 10 10 to 30 9 to 31 7 to 9 0 to 7 0to545 545to595 53 to 595 465to53 VEW-8 60 0to10 1O to 30 9to31 7to9 Oto ? ' Oto 545 545to595 52 to 595 47 to 52 VEW-9 60 Oto 10 10 to 30 95to31 7to95 Oto? O to 54 5 54 5 to 59 5 53 to 59 5 1 47 25 to 53 VEW-10 60 0 to 10 10 to 30 9 to 31 7 5 to 9 O to 7 5 Oto 545 545to595 52 to 595 48to52 VEW-11 60 0 to 10 10 to 30 9 to 31 7 to 9 0 to 7 ' Oto 545 545to595 525to595 475to525 VEW-12 60 Oto 10 10 to 30 9to31 6to9 0to6 0 to 55 55 to 60 53 to 60 48 to 53 E!f1= 0 to 15 15 to 30 14 to 31 11 to 14 Oto 11 O to 55 1 55 to 60 52 to 60 47 to 52 ' 1232 Well Detail ENVIRONMENTAL AUDIT,INC p