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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 MtSE <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(it) feet allots (gallons) (Nti) (Nti) (Ii2) (U/L) (p/L) (N/L) (jj/L) (N/L) <br /> MW-19A 11/04/97 8.28 11.68 -0.60 -- - - 440' <50 <0.5 <0.5 <0.5 <0.5 1,800 <br /> (cont.) 02/10/98 3.53 16.43 4.75 - - 530' <50 <0.5 <0.5 <0.5 <0.5 730 <br /> 05/26/98 5.78 14.18 -2.25 - 438 <50 <0.5 <0.5 <0.5 <0.5 >358 <br /> 08/27/98 7.09 12.87 -1.31 - - 466 <50 <0.5 <0.5 <0.5 <0.5 79.4/1806 <br /> 11/18/98 7.76 1220 -0.67 - -- - 375 <50 <0.5 <0.5 <0.5 <0.5 102 <br /> 02/22/99 5.75 1421 2.01 - - - 374° <50 <0.5 <0.5 <0.5 <0.5 216 <br /> 06/14/99 7.54 12.42 -1.79 - - - 218 180 <0.5 <0.5 <0.5 <0.5 368 <br /> 09/01/99 6.58 13.38 0.96 - -- - 469 965 <2.5 <2.5 <2.5 2.6 2,440 <br /> 11/30/99 8.25 11.71 -1.67 - - - 332° 147 7.37 <0.5 <0.5 <0.5 365 <br /> 02/28/00 5.44 14.52 2.81 - - - 80.0 263 <0.5 <0.5 <0.5 <1.0 412 <br /> 06/27/00 6.88 13.08 -1.44 0.00 0.00 0.00 120 <50 <0.5 <0.5 <0.5 <0.5 -- 200 <br /> 08/21/00 6.62 13.34 026 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 180 <br /> 11/30/00 8.32 11.64 -1.70 0.00 0.00 0.00 160 <50 <0.50 <0.50 <0.50 <0.50 140 <br /> 03/06/01 8.03 11.93 029 0.00 0.00 0.00 350 <50 <0.50 <0.50 <0.50 <0.50 130 <br /> 04/23/01 8.43 11.53 -0.40 0.00 0.00 0.00 120 <50 <0.50 <0.50 <0.50 <0.50 65 <br /> 08/09/01 20.56 7.41 13.15 1.62 0.00 0.00 0.00 500 <50 <0.50 <0.50 <0.50 <0.50 37 <br /> 11/20/01 8.49 12.07 -1.06 0.00 0.00 0.00 920 <50 <0.50 <0.50 <0.50 <0.50 46 <br /> 02/22/02 7.31 1325 1.18 0.00 0.00 0.00 610 <50 <0.50 <0.50 <0.50 <0.50 29 <br /> 05/16/02 8.44 12.12 -1.13 0.00 0.00 0.00 660 b b b b b 18 <br /> 08/27/02 8.10 12.46 0.34 0.00 0.00 0.00 640 <50 <0.5 <0.5 <0.5 <0.5 34 <br /> 12/04/02 9.10 11.46 -1.00 0.00 0.00 0.00 750 - - -- -- 16 <br /> 03/05/03 9.04 11.52 0.06 0.00 0.00 0.00 520 - - - - - - 6 <br /> MW-20 09/02-03/93 5.73 -- -- - - - ND ND NO NO ND NO -- <br /> 12/03-06/93 7.46 - - - - - ND ND NO NO ND NO <br /> 03/01-02/94 7.57 - - - - - ND ND ND ND NO NO <br /> 06/01/94 7.44 - - - - NO ND ND ND ND NO <br /> 08/16-17/94 7.52 - - - - - ND NO NO ND ND NO <br /> 11/21/94 8.09 - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/23/95 19.77 6.38 13.39 - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 -- -- <br /> 05/30/95 6.02 13.75 0.36 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/07/95 5.80 13.97 022 - - 88' <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 7.02 12.75 -1.22 - - - 94' <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 6.85 10.92 -1.83 - _ - <50 <50 <0.5 <0.5 <0.5 <0.5 -- <br /> 05/01/96 5.99 13.78 2.86 - - - 62' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 6.92 12.85 -0.93 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 7.47 12.30 -0.55 - - - 75' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 2.63 16.94 4.64 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 05/12/97 5.56 1421 -2.73 - - 52' <50 <0.5 <0.5 <0.5 <0.5 -- <br /> 08/13/97 6.75 13.02 -1.19 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/04/97 7.52 1225 -0.77 - - - 160' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/10/98 2.11 17.66 5.41 - - 73' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 05/26/98 4.58 15.19 -2.47 - - - 84.7' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/25/98 6.26 13.51 -1.68 - - - 73.8 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/16/98 7.04 12.73 -0.78 - - - 93.6 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/22/99 4.98 14.79 2.06 - - - 77.4' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 06/15/99 5.17 14.60 -0.19 - - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0 <br /> 09/01/99 5.23 14.54 -0.06 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/30/99 7.45 12.32 -2.22 -• - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0/<10.0° <br /> 21 of 33 <br /> Chevron\1 001 621\GWtablel stQtr2003 <br />