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Table 5: Summary of Water Level Elevations and Gradient-Intermediate and Deep Wells <br /> George's Service <br /> 1600 Durham Ferry Road <br /> Tracy, California <br /> Project No. 425.2 <br /> Date Elevation of Groundwater Intermediate Well Data <br /> MW-102 MW-105 MW-107 MW-202 AMSL Gradient Gradient <br /> TOC2 98.96 Avg. Elev. Bearing** Slope** <br /> TOC3 83.08 83.12 83.27 84.03 (fl) (ft/ft) <br /> 5/5/97 75.27 <br /> 8/25/97 74.95 <br /> 9/19/97 74.14 <br /> 2/24/98 75.82 <br /> 5/29/98 73.74 <br /> 7/14/98 74.06 72.76 73.72 73.41 <br /> 11/13/98 73.31 73.39 73.20 73.99 73.30 N600E 0.0018 <br /> 4/28/99 72.59 72.68 72.50 73.02 72.59 N760E 0.0019 <br /> 9/1/99 74.15 74.33 74.02 74.67 74.17 N840E 0.0034 <br /> 12/22/99 72.50 72.58 72.40 73.09 72.49 N630E 0.0016 <br /> 3/31/00 72.24 72.34 72.16 72.78 72.25 N800E 0.0018 • <br /> 6/20/00 73.50 73.67 73.38 73.75 73.52 N850E 0.0031 <br /> TOC2=Top of casing elevation surveyed on 5/9/97. MW-2 was used as benchmark elevation. , <br /> TOO =Top of casing elevation surveyed on 12/18/97 and 10/19/98 into USGS Benchmark T-933 <br /> ** Gradient determined from MW-102, MW-105 and MW-107 <br /> Note: Groundwater Elevations prior to 12/18/97 have been normalized to TOC3 for comparative purposes. <br />