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TABLE 2 <br /> Vertical Gradients between B. and A-Aquifer Zones <br /> Top of Middle of <br /> Well ID Casing Screened Interval (feet Middle of Screened Interval Screen <br /> Elevation bgs) Interval <br /> (feet,msl) Difference <br /> Depth feet bgsl Elevation feet msl feet <br /> M01B 66.92 1 21 - 41 1 31 35.92 <br /> M01A 66.26 101 - 121 111 -44.74 80.66 • <br /> M02B 67.28 19 - 39 29 38.28 <br /> M02A 67.75 8s - 106 96 -28.25 66.53 <br /> M05B 68.65 21 - 41 31 37.65 <br /> M05A 68.51 95 - 115 105 -36.49 74.14 <br /> M16B 65.52 24.5 - 44.5 34.5 1 31.02 <br /> M16A 66.26 11a - tza 123 1 -57.74 88.76 <br /> Calculated Groundwater Elevation <br /> Well ID (feet above mean sea level) <br /> Jan 5, Difference April 5, Difference July 14, Difference Oct 6, Difference Jan 19, Difference Apr 10, Difference Jul 12, Difference <br /> 1999 (feet) 1999 (feet) 1999 (feet) 1999 (feet) 2000 (feet) 2000 (feet) 2000 (feet) <br /> M01B 42.74 39.68 39.81 39.3 41.75 40.28 <br /> M01A 36.97 -5.77 33.08 -6.6 39.74 -0.07 39.26 -0.04 41.66 -0.09 40.13 -0.15 • <br /> M02B 43.25 40.07 40.01 39.15 41.83 40.06 <br /> M02A 43.18 -0.07 40.01 -0.06 39.63 -0.38 39.06 -0.09 41.83 0 39.93 -0.13 <br /> M05B 41.95 43.05 39.55 39.46 38.79 41.65 39.47 <br /> M05A 41.96 0.01 42.89 -0.16 39.47 -0.08 39.4 -0.06 38.7 -0.09 41.51 -0.14 39.35 -0.12 <br /> M16B 43.18 40.24 39.75 39.5 41.66 40.25 <br /> M16A 42.85 0.33 39.5 -0.74 39.34 0.41 39.22 0.28 40.76 0.9 39.48 0.77 <br /> Negative- Downward gradient <br /> Positive - Upward gradient <br />