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Table 4: Summary of Groundwater Elevations,Bearings and Gradients-Zone C Monitoring Wells George's Cervice 1600 Durham Ferry Road Tracy,California Project No.425.2 Wells Resurveyed 12/21/01 in accordance SWRCB Geotracker Requirements Date Elevation of Groundwater Intermediate Well Data MW-102 DT W MW-107 DTW MW-201 DTW AMSL DTW Gradient Gradient foc 85.30 85.61 86.37 Avg. Avg. Bearing* Slope- 40.30 lo e*40.30 45.0 38.61 47.0 7.37 79.0 boa 37.80 47.5 36.11 49.5 4.87 81,5 01/03/04 73.15 12.15 73.06 12.55 73.34 13.03 73.18 12.58 N76°W 0.0024 04/27/04 73.66 11,64 73.58 12:03 73.84 12.53 73.69 12.07 N660W 0.0022 07/23/04 73.02 12.28 72.93 12.68 73.21 13.16 73.05 12.71 N67°W 0.0024 11/03/04 72.96 12.34 72.88 12.73 73.13 13.24 72.99 12.77 N67°W 0.0021 0121105IN12.27 72.95 12.66 73.21 13.16 73.06 12.70 N68°W 0.0022 04/11/0512.13 73.06 12.55 7330 13.07 73.18 12.58 N64°W 0.0020 0720/0511.72. 73.46 12.15 73.76 12.61 73.60 12.16 N64W 0.0025 10/30/0511.39 73.81 11.80 74.01 12.36 73.91 11.85 N63°W 0.0037 01/22/06 73.47 11:83 73.39 12.22 73.63 12.74 73.50 12.26 N70°W 0.0200 0428/06 73.10 12.20 73.04 12.57 73.27 13.10 73.14 12.62 N68°W 0.0400 pg/02/p6 73,10 11.99 73.25 12.36 73.49 12.88 73.35 12.41 N65°W 0.0178 10/13/06 73.37 11.93 73.29 12.32 73.55 12.82 73.40 12.36 N67°W 0.0117 02/07/07 73.13 12.17 73.06 12.55 73.22 13.15 73.14 12.62 N170W 0.0012 04/13/07 74.20 11.10 74.09 11.52 74.40 11.97 74.23 11.53 N18°E 0.0187 07/16/07 74.28 11.02 74.19 11.42 74.47 11.90 74.31 11.45 N69°W 0.0032 10/10/07 73.98 11.32 73.88 11.73 74.16 12.21 74.01 11.75 N200E 0.0050 0129/08 73.96 11.34 73.90 11.71 74.11 12.26 73.99 11.77 N210E 0.0040 0421/08 73.29 12.01 73.21 12.40 73.46 12.91 73.32 12.44 N150E 0.0017 07/09/08 73.32 11.98 73.22 12.39 73.50 12.87 73.35 12.41 N18°E 0.0023 Historical Averages= 73.49 12.27 2°W 0.0076 N4 Position of the wells(nearly a straight line)leaves bearing and gradient results suspect.Contour shows a northerly bearing,which is more likely. 9/W2008 GbLa'n[Tu4.rlaW.