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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 8260B <br /> Number Gauged (feet MSL) (feet,TOC) (feet,MSL) Change(tt.) (feet) (gallons) (gallons) (PPL) (P/L) (P/L) (p/L) (p/L) (p/l-) <br /> MW 22B 04/26/95 20.17 - » - 380 ND 2.8 1.7 ND ND <br /> (MW-22) 05/05/95 7.71 12.46 - » ND ND ND ND ND ND <br /> 08/07/95 8.43 11.74 -0.72 - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 8.62 11.55 -0.19 » - 120' <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 8.03 12.14 0.59 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 8.44 11.73 -0.41 - - <60 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 8.55 11.62 -0.11 - -- <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 8.95 11.22 -0.40 - -- 58' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 4.65 15.52 4.30 - 61' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 05/12/97 8.79 11.38 -4.14 -- - - 58/<50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/04/97 8.84 11.33 -0.05 - 52 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/09/98 4.82 15.35 4.02 -- 64 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 05/26/98 6.89 13.28 -2.07 - 51.9 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/25/98 7.40 12.77 -0.51 - - 132 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/16/98 8.40 11.77 -1.00 73.2 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/22/99 7.42 12.75 0.98 <50, <50 <0.5 <0.5 <0.5 <0.5 <50 <br /> 06/14/99 8.25 11.92 -0.83 <50 <100 <0.5 <0.5 <0.5 <0.5 36.8 <br /> 09/01/99 7.30 12.87 0.95. » -- -- 70.0 <50 <0.5 <0.5 <0.5 <0.5 <5.0/<5.0° -- <br /> 11/30/99 8.98 11.19 -1.68 <50 <100 0.69 <0.5 <0.5 0.56 <10.0/<10.Ob <br /> 02/28/00 7.55 12.62 1.43 -- - <50 <100 <0.5 <0.5 <0.5 <1.0 110.0 <br /> 06/27/00 7.90 1227 -0.35 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 0.59 <0.5 <br /> 08/21/00 7.73 12.44 0.17 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 11/30/00 9.25 10.92 -1.52 0.00 0.00 0.00 180 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 03/06/01 9.41 10.76 •0.16 0.00 0.00 0.00 200 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 04/23/01 9.32 10.85 0.09 0.00 0.00 0.00 <50 220 <0.50 0.61 <0.50 0.65 0.63 <br /> 08/09/01 20.81 8.31 12.50 1.65 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 11/20/01 9.44 11.37 -1.13 0.00 0.00 0.00 480 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 02/22/02 8.97 11.84 0.47 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 10.50 <0.50 <br /> 05/15/02 8.95 11.86 0.02 0.00 0.00 0.00 <50. b b b b b <0.5 <br /> 08/27/02 9.05 11.76 -0.10 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 12/04/02 9.77 11.04 -0.72 0.00 0.00 0.00 490 -- - -- -- <br /> 03/05/03 9.93 10.88 -0.16 0.00 0.00 0.00 160 - _ _ _ _ _ <2 <br /> MW-23B 04/26/95 19.57 8.39 11.18 - - - - ND ND ND ND ND ND <br /> (MW-23) 05/05/95 -- _ -- <br /> 08/07/95 7.72 11.85 -- <50 <50 <0.5 <0.5 <0.5 0.81 <br /> 11/02/95 7.98 11.59 -0.26 - 110' <50 1.1 <0.5 <0.5 1.6 <br /> 01/05/96 8.32 11.25 -0.34 - - - -- 0.59 <0.5 <0.5 <0.5 <br /> 02/01/96 7.49 12.08 0.83 - 70' <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01196 7.75 11.82 -0.26 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 8.55 11.02 -0.80 » - <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 8.26 11.31 029 » - 190' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 4.04 15.53 4.22 - - 66' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 05/12/97 6.96 12.61 -2.92 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/12/97 8.15 11.42 -1.19 150!74 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/04/97 8.33 11.24 -0.18 90 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/09/98 4.17 15.40 4.16 <5.0 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 05/26/98 6.22 13.35 -2.05 » » 65.6 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/25/98 6.79 12.78 -0.57 - 77.2 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> hevron\1001621\G Wtab le 1 stQtr2003 <br /> 23 of 33 <br /> I � <br />