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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Chevron Bulk Terminal 100-1621 <br /> 22888 South Kasson Road <br /> Banta,California <br /> Well Depth Groundwater Groundwater SPH SPH Total SPH TPH as TPH as Ethyl- Total MtBE <br /> Well Date Elevation To Water Elevation Elevation Thickness Removed Removed Diesel Gasoline Benzene Toluene Benzene Xylenes MtBE EPA 82608 <br /> Number Gauged (feet MSL) (feet TOC) (feet MSL) Change(ft.) (feet) (gallons) (gallons) (P/L) (P/L) (P/L) (v/L) (P/L) (V/L) (,u/L) (NIL) <br /> MW-18A 05/01/96 6.86 12.98 4.59 - » - 260' <50 <0.5 <0.5 <0.5 <0.5 8.5 <br /> (cont.) 08/08/96 7.38 12.46 -0.52 - - 170' <50 <0.5 <0.5 <0.5 <0.5 30 <br /> 11/04/96 8.34 11.50 -0.96 - - - 270' <60 <0.5 <0.5 <0.5 <0.5 14 <br /> 02/05/97 3.75 16.09 4.59 - - 100' <50 <0.5 <0.5 <0.5 <0.5 8 <br /> 05/12/97 6.76 13.08 -3.01 - 6,300 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/12/97 7.51 12.33 -0.75 - - 110' <50 <0.5 <0.5 <0.5 <0.5 6.9 <br /> 11/04/97 8.30 11.54 -0.79 - - 130' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/10/98 3.51 16.33 4.79 - - - 120' <50 <0.5 <0.5 <0.5 <0.5 7.5 <br /> 05/26/98 5.80 14.04 -2.29 - » - 144 <50 <0.5 <0.5 <0.5 <0.5 8.51 <br /> 08/27/98 6.81 13.03 -1.01 - - 174 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/18/98 7.81 12.03 -1.00 - - - 172 <50 <0.5 <0.5 <0.5 0.749 <5.0 <br /> 02/22/99 5.96 13.88 1.85 - - 163° <50 <0.5 <0.5 <0.5 <0.5 47.5 <br /> 06/14/99 7.61 1223 -1.65 - - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0 <br /> 09/01/99 6.48 13.36 1.13 - - 133 <50 <0.5 <0.5 <0.5 0.54 6.5 <br /> 11/30/99 8.20 11.64 -1.72 - - - <50 <100 0.57 <0.5 <0.5 <0.5 48.6 <br /> 02/28/00 5.41 14.43 2.79 - - - 70.0 <100 <0.5 <0.5 <0.5 <1.0 93.8 -- <br /> 06/27/00 6.73 13.11 -1.32 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 -- 73 <br /> 08/21/00 6.57 1327 0.16 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 32 <br /> 11/30/00 8.30 11.54 -1.73 0.02 2.00 2.00 Gettler-Ryan reported product present <br /> 01/23/01 8.93 10.91 -0.63 0.00 0.00 2.00 <50 <50 <0.5 <0.5 <0.5 <0.5 110 <br /> 03/06/01 8.12 11.72 0.81 0.00 0.00 2.00 82.0 <50 <0.5 <0.5 <0.5 <0.5 120 <br /> 04/23/01 8.30 11.54 -0.18 0.00 0.00 2.00 140 <50 <0.50 <0.50 <0.50 <0.50 53 <br /> 08/08/01 20.49 7.38 13.11 1.57 0.00 0.00 2.00 140 <50 <0.50 <0.50 <0.50 <0.50 27 <br /> 11/20/01 8.43 12.06 -1.05 0.00 0.00 2.00 410 <50 <0.50 <0.50 <0.50 <0.50 61 <br /> 02/22/02 7.30 13.19 1.13 0.00 0.00 2.00 330 <50 <0.50 <0.50 <0.50 <0.50 64 <br /> 05/16/02 8.32 12.17 -1.02 0.00 0.00 2.00 250 b b b b b 54 <br /> 08/27/02 8.10 12.39 022 0.00 0.00 2.00 240 <50 <0.5 <0.5 <0.5 <0.5 92 <br /> 12/04/02 9.14 11.35 -1.04 0.00 0.00 2.00 150 - - -- -- 78 <br /> 03/05/03 9.05 11.44 0.09 0.00 0.00 2.00 220 - - - - - - <2 <br /> MW-19A 09/02-03/93 6.98 - - - - - 470 ND ND ND ND 1.0 -- <br /> (MW-19) 12/03-06/93 8.23 - - - - - 280 ND ND ND ND ND <br /> 03/01-02/94 - - - -- - - - - <br /> 06/01/94 17.05 - - - - - 340 ND ND ND ND ND <br /> 08/16-17/94 23.65 - - - - - ND ND ND ND ND ND <br /> 11/21/94 16.35 -- - - -- -- <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/23/95 19.96 16.18 3.78 - - - - 390 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 16.07 3.89 0.11 - - - <50 <50 <0.5 0.9 <0.5 1 <br /> 08/07/95 17.08 2.88 -1.01 - - - 340' <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 11.12 8.84 5.96 - - - 110' <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 16.25 3.71 -5.13 - - 120' <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 6.85 13.11 9.40 - - - 720 <50 <0.5 <0.5 <0.5 <0.5 220 <br /> 08/08/96 7.60 12.36 -0.75 - - - 670' <50 <0.5 <0.5 <0.5 <0.5 180 <br /> 11/04/96 8.30 11.66 -0.70 - - 760 <50 <0.5 <0.5 <0.5 <0.5 130 <br /> 02/05/97 3.78 16.18 4.52 - - - 630' <50 <0.5 <0.5 <0.5 <0.5 100 <br /> 05/12/97 6.79 13.17 -3.01 - - - 590 <50 <0.5 <0.5 <0.5 <0.5 5,500 <br /> 05/12/97 -- -- - - - - - - - - -- 8,600 <br /> 08/12/97 7.68 1228 - - - 530' <50 <0.5 <0.5 <0.5 <0.5 2,000 <br /> 20 of 33 <br /> Chevron\1 001 621\GWtablel stQtr2003 <br />