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• � i <br /> 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 T H 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) GPM (y/-) (P/L) (N/L) (v/L) (N/L) <br /> MW-6A 08/07/95 5.41 15.78 0.49 - - - 88' <50 <0.5 <0.5 <0.5 <0.5 <br /> (cont.) 11/02/95 7.75 13.44 -2.34 - - 80' <50 22 0.9 1.4 3.6 <br /> 02/01/96 6.10 15.09 1.65 69• <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 7.07 14.12 -0.97 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 5.94 1525 1.13 - - - <50 <60 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 8.30 12.89 -2.36 - - 76' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 3.73 17.46 4.67 - - - 79' <60 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 05/12/97 5.88 15.31 -2.15 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/13/97 6.78 14.41 -0.90 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/04/97 8.60 12.59 -1.82 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/09/98 2.89 18.30 5.71 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 25 <br /> 05/26/98 5.03 16.16 -2.14 - - - 132' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/25/98 6.76 14.43 -1.73 - - - 99.6 65.8 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/16/98 7.82 13.37 -1.06 - - - 69.6 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/22/99 6.14 15.05 1.68 - - - 92.6' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 06/15/99 7.67 13.52 -1.53 - - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0 <br /> 09/01/99 4.28 16.91 3.39 - - - <50 <50 <0.5 <0.5 3.68 <0.5 <5.0 <br /> 11/30/99 8.29 12.90 -4.01 - - - <50 <100 <0.5 <0.5 3.68 <0.5 <10.0/<10.0° <br /> 02/28/00 6.30 14.89 1.99 - - - <50 <100 <0.5 <0.5 <0.5 <1.0 <10.0 <br /> 06/27/00 7.71 13.48 -1.41 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 -- <0.5 <br /> 08/21/00 6.16 15.03 1.55 0.00 0.00 0.00 <50 <60 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 11/30/00 8.46 12.73 -2.30 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 03/06/01 8.55 12.64 -0.09 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 04/23/01 8.17 13.02 0.38 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 08/08/01 21.84 7.00 14.84 1.82 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 11/20/01 8.85 12.99 -1.85 0.00 0.00 0.00 53.0 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 02/22/02 7.94 13.90 0.91 0.00 0.00 0.00 310 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 05/16/02 9.05 12.79 -1.11 0.00 0.00 0.00 <50. b b b b b <0.5 <br /> 08/27/02 8.14 13.70 0.91 0.00 0.00 0.00 <50 b <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 12/04/02 9.17 12.67 -1.03 0.00 0.00 0.00 76 - - -- -- <0.5 <br /> 03/05/03 9.34 12.50 -0.17 0.00 0.00 0.00 77 - - - - - - <2 <br /> MW-7A 08/21/85 - - - - - 7.0 1.0 ND ND ND ND -- <br /> (MW-7) 10/13/88 - - - - » - ND ND ND ND ND ND <br /> 04/14/89 19.11 6.66 12.45 - - <br /> 10/06/,89 9.50 9.61 -2.84 - <br /> 01/17/90 10.31 8.80 -0.81 3.07 - - - <br /> 04/16/90 11.95 7.16 -1.64 5.95 <br /> 07/18/90 -- - - - <br /> 10/17/90 - <br /> 01/15/91 - - - - -- <br /> 04/04/91 10.30 8.81 - 3.30 - - - <br /> 04/10/91 -- - » - » » » - <br /> 07/10/91 5.88 1323 - 2.68 - - -06/01/92 6.95 12.16 -1.07 2.75 - - - - <br /> 08/12/92 6.95 12.16 0.00 2.00 - - - - <br /> 11/02/92 7.00 12.11 -0.05 0.05 - <br /> 02/26/93 4.25 14.86 2.75 1.08 - - - <br /> 8 of 33 <br /> Chevron\1001621\GWtablel stQt2003 <br />