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TABLE 2 Page 1 of 3 GROUNDWATER FLOW DIRECTION AND GRADIENT SHELL STOCKTON TERMINAL 3515 NAVY DRIVE,STOCKTON,CALIFORNIA Near Truck Loading Rack Near Well MW-10 Date Gauged Direction Degrees Gradient Direction Degrees Gradient Notes 11/08/1985 Sw 210 0.002 S 180 0.02 04/02/1986 SW 210 0.003 SE 150 0.017 07/05/1986 SW 225 0.011 SE 150 0.014 04/22/1987 S * * S 170 0.03 Migration control 07/22/1987 Sw 210 0.01 S 180 0.01 10/21/1987 Sw 210 0.008 S 165 0.008 01/19/1988 S SW 210 0.029 Migration control 02/14/1991 SW 210 0.004 SE 150 0.008 08/08/1991 S 190 0.006 S 170 0.006 09/12/1991 S SE 150 0.013 Migration control 10/03/1991 S * S 170 0.013 Migration control 11/07/1991 S S 185 0.007 Migration control 02/27/1992 S * * S 160 0.01 Migration control 08/13/1992 S * SE 135 0.007 Migration control 03/25/1993 S * SE 135 0.017 Migration control 09/29/1993 SW 220 0.008 SE 135 0.005 03/24/1994 S 170 0.007 E 105 0.025 06/27/1994 S 175 0.006 SE 150 0.01 09/27/1994 Sw 210 0.007 SE 150 0.004 12/28/1994 S * SE Migration control 03/13/1995 SE * SE 160 0.02 Migration control 06/15/1995 SE * SE 160 0.02 Migration control 09/12/1995 SE SE 160 0.013 Migration control 11/13/1995 S * * S 175 0.03 Migration control 03/20/1996 SW 195 0.01 S 170 0.02 05/15/1996 S 190 0.27 SE 160 0.18 Migration control 08/12/1996 S SE * * Migration control 10/28/1996 SE * SE * Migration control 05/05/1997 S * S * * Migration control 08/18/1997 S S Migration control 12/01/1997 S * S 03/16/1998 S S 06/29/1998 S S 03/24/1998 SE * SE * * Migration control 06/02/1998 W * * SE * * Migration control 09/02/1998 E S 11/09/1998 E * S 03/29/1999 S 180 0.0035 SE 135 0.005 06/15/1999 SW 220 0.012 SW 230 0.012 09/14/1999 SW 200 0.02 215 12/20/1999 S 180 02/24/2000 N 0 0.033 S 195 0.006 04/27/2000 SW 210 0.002 S 190 0.003 08/10/2000 Sw * SW 225 0.003 Migration control 11/02/2000 Sw 250 0.01 Sw 210 0.008 CRA 241729(33)