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Table 2. Groundwater Flow Direction and Gradient, <br /> ARCO Facility 2093, Tracy, California <br /> Approximate Approximate <br /> now hydraulic <br /> Date direction gradient <br /> 6/23/88 N " 0.002 <br /> 9129188 N 0.002 <br /> 2/22/89 NE 0.002 <br /> 6/21/89 NE 0.002 <br /> 9118189 N 0.002 <br /> 12/27/89 E <br /> 4/18/90 NE 0.001 <br /> 1/10/91 NE 0.002 <br /> 4/10/91 NE 0.003 <br /> 7/10/91 NE 0.002 <br /> 9/24/91 N 0.002 <br /> 1/23/92 N 0.002 <br /> 4/20/92 NE 0.003 <br /> 7/8/92 N-NE 0.002 <br /> 10/7/92 NNE 0.002 <br /> 1/18193 ESE(a) 0.004 <br /> 4/14/93 N 0.003 <br />€ 8130193 N 0.003 <br /> 10/27/93 N-NE 0.003 <br /> 2/17/94 NE 0.002 <br /> 5/20/94 NE 0.001 <br /> 10/7/94 NE 0.003 <br /> 12/16/94 NE 0.002 <br /> 2/28/95 NE 0.002 <br /> 4/26/95 NE 0.003 <br /> i <br /> 7/27195 N and NE 0.006 <br /> f 10/26/95 NE 0,004 <br /> 2/12/96 E 0,002 <br /> 4/18/96 NE 0.004 <br /> (a)Incorrectly reported as WNW in ` <br /> 1st quarter 1993 report (Apel 26, 1993). <br /> i <br /> 33151TABLES 20931UN7.XLS <br /> - - <br />