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TABLET <br /> MONITORING WELL DECOMMISSIONING DETAILS"' <br /> Union Ice Facility-Stockton,CA <br /> Monitoring Well Measured Total Constructed Well Diameter Depth to Total Number Approximate gallons Well Casing <br /> Depth(" Depth Water(2) of Cement Sacks of Grout Used"' Material Type <br /> MW-IS 17.6 18 4" 7.8 3.5 17.5 PVC <br /> MW-1D 33.2 35 4" 8.0 6 30 PVC <br /> MW-2S 34 35 4" 5.9 6 30 PVC <br /> MW-3S 29.7 35 4" 6.7 5 25 PVC <br /> MW-4D(') 53 60`5' 4" 3.0 12 60 PVC°' <br /> MW-5S 28.7 30 4" 7.9 7 35 PVC <br /> MW-6S 19.6 20 4" 6.9 4 20 PVC <br /> MW-7S 30.8 33 4" 7.2 8 40 PVC <br /> MW-8 33.6 35 4" 6.8 10 50 PVC <br /> MW-9 29 34 4" 6.3 5.5 27.5 PVC <br /> MW-10 32.6 35 2" 7.2 2 10 PVC <br /> MW-11 30.5 35 2" 7.4 2 10 PVC <br /> MW-12 32.2 35 2" 7.7 2 10 PVC <br /> Notes: <br /> (1) Monitoring wells destroyed between March 12 through 14, 1997. <br /> (2) Total Well Depth and Depth to Water was measured immediately prior to well destruction. <br /> (3) The grout mixture used approximately one 94 lb,sack of Type 1/11 cement per 5 gallons of water. <br /> (4) Monitoring well MW-4D was blocked with broken well cap that was removed prior to grouting. <br /> (5) 12"Diameter steel conductor casing with a 4"diameter PVC inner casing. <br /> PR3-7592 File:1300M XLS Golder Associates <br />