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TABLE 4 <br /> Well Construction Details <br /> 76 (Former BP) Service Station No, 11194 <br /> 2375 North Tracy Boulevard, Tracy, California <br /> Elevation Borehole Casing Screened Fiber Pack Bentonite Seal Cement Seal <br /> Construction Boring Depth Casing Slot Size <br /> Well I.D. (TOC MSL) ove Diameter Diameter Interval Interval Interval Interval Comments <br /> Date (feet bgs) Material (inches <br /> MSL) (inches) (inches) ) (feet bgs) (feet bgs) (feet bgs) (feet hgs) <br /> Groundwater Monitoring Wells <br /> MW-1 8/29/1986 26.88 20 8 2 PVC 0.02 5-20 4-20 3-4 0-3 <br /> MW-2 8/29/1986 26.33 20 8 2 PVC 0.02 5-20 4-20 3-4 0-3 <br /> MW-3 8/29/1986 25.21 20 8 2 PVC 0.02 5-20 4-20 3-4 0-3 <br /> MW4 8/29/1986 25.90 20 8 2 PVC 0.02 5-20 4-20 34 0.3 <br /> MW-5 1/27/1987 25.45 20 8 4 PVC 0.02 4-20 3-20 2.5-3 0-2.5 <br /> MW-6 1/27/1987 25.63 15 8 2 PVC 0.02 4-15 3-15 2.5-3 0-2.5 <br /> MW-7 1/27/1987 26.50 20 8 2 PVC 0.02 4-20 3-20 NA 0-3 <br /> MW-8 1/27/1987 25.66 15 8 2 PVC 0.02 4-15 3-15 2.5.3 0-2.5 <br /> MW-9 3/30/2007 28.39 50 8 2 PVC 0.02 4045 38-50 36-38 0-36 <br /> AMW-1 4/23/1990 26.53 20 10.5 4 PVC 0.02 4-20 3-20 2-3 0-2 <br /> AMW-2 4/23/1990 26.45 20 10.5 4 PVC 0.02 5-20 4-20 34 0-3 <br /> AMW-3 8/8/1990 25.29 15 8.5 2 PVC 0.02 2.5-15 2-15 1 .5-2 0-1 .5 <br /> AMW-4 8/8/1990 25.36 15 8.5 2 PVC 0.02 2.5-15 2-15 1 .5-2 0.1 .5 <br /> AMW-5 10/29/1991 26.19 16.5 10 4 PVC 0.02 5-15 4-16.5 3.54 0.5-.5 <br /> AMW-6 11/19/1991 26.68 14 10 4 PVC 0.02 4-14 3.5-14 3-.5 1 .5-3 <br /> Notes: <br /> bgs = below ground surface <br /> MSL = mean sea level <br /> NA = Not applicable <br /> Not available <br /> bcvations are in US survey feet, Vertical Datum is NGVD29 <br /> 11194 Well Construction Details.xls 1 of 1 Stantec <br />