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90343TAB CON-1 • <br /> Table 1. WATER TABLE AND OIL LAYER MEASUREMENTS <br /> Relative <br /> Monitoring Casing Elevation of Groundwater Surface <br /> Well No. E1ev.* 4/9/85 4/15/85 8/12/86 8/15/86 8/19/86 8/25/86 <br /> 1** 49.27 40.21 40.21 40.42 40.38 40.36 40.39 <br /> 2** 49.60 40.02 39.94 N.T. 40.10 40.07 40.08 <br /> 3** 49.22 39.97 39.88 N.T. 39.90 39.94 39.92 <br /> 4** 49.88 40.00 39.82 39.83 39.73 39.86 40.10 <br /> 5** 49.68 39.93 39.63 39.55 39.46 39.78 40.15 <br /> 6** 50.04 40.17 39.90 N.T. 39.67 39.69 39.96 <br /> 7** 49.52 39.98 39.73 39.59 39.74 39.74 40.06 <br /> c 8** 49.54 40.07 39.87 39.84 39.53 39.85 40.08 <br /> 9** 50.00 40.33 39.99 N.T. 39.921 39.96 40.171 <br /> 10** 49.77 N.T. 39.97 N.T. 39.381 39.88 40.05 <br /> j <br /> 11** 49.40 41.74 41.76 N.T. 42.81 N.T. 42.81 <br /> 12** N.T. N.T. N.T. N.T. N.T. N.T. N.T. <br /> 13 48.83 39.23 39.03 40.43 40.51 <br /> 14 46.46 39.282 39.161 41.061 40.943 <br /> 15 48.32 39.24 39.00 41.56 40.97 <br /> 16 48.47 39. 17 39.14 42.28 41.29 <br /> I <br /> 1 Trace Oil <br /> 2 Corrected for 0.10 ft layer of floating oil <br /> 3 Corrected for 0.06 ft layer of floating oil <br /> N.T. - Not Taken <br /> * All elevations are based on an assumed Well 9 casing elevation of 50 ft. <br /> ** Wells installed during investigation of previous pipeline rupture spill . <br />