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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 Mt6E <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) (NIL) (N/L) (u/L) (y/L) (p/L) (v/L) (y/L) (v/L) <br /> MW-12B 08/12/97 10.80 11.56 -1.00 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> (cont.) 11/04/97 11.08 1128 -0.28 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 02/09/98 6.95 15.41 4.13 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 05/26/98 8.85 13.51 -1.90 - - <50 <50 <0.5 0.53 <0.5 <0.5 <5.0 <br /> 08/25/98 9.49 12.87 -0.64 -- - 176 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/16/98 10.51 11.85 -1.02 <50 <50 <0.5 0.53 <0.5 <0.5 <5.0 <br /> 02/22/99 9.51 12.85 1.00 - - - 712° <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 06/14/99 10.33 12.03 -0.82 - <50 <100 <0.5 0.53 <0.5 <0.5 <10.0 <br /> 09/01/99 9.36 13.00 0.97 - <50 <50 <0.5 2.64 <0.5 <0.5 <5.0 <br /> 11/30/99 11.10 11.26 -1.74 » - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0/<10.0° <br /> 02/28/00 8.62 13.74 2.48 - - <50 <100 <0.5 <0.5 <0.5 <1.0 <10.0 <br /> 06/27/00 9.98 12.38 -1.36 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 -- <0.50 <br /> 08/21/00 5.11 17.25 4.87 0.00 0.00 0.00 84 <50 <0.5 <0.5 <0.5 <0.5 <0.50 <br /> 11/30/00 11.33 11.03 -6.22 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 03/06/01 11.33 11.03 0.00 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 04/23/01 11.37 10.99 -0.04 0.00 0.00 0.00 <50 <50 <0.50 0.79 <0.50 0.73 <0.50 <br /> 08/08/01 23.00 12.41 10.59 -0.40 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 11/20/01 11.55 11.45 0.86 0.00 0.00 0.00 93 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 02/21/02 11.03 11.97 0.52 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 05/15/02 11.03 11.97 0.00 0.00 0.00 0.00 <50. b b b b b <0.5 <br /> 08/27/02 11.18 11.82 -0.15 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 12/04/02 11.89 11.11 -0.71 0.00 0.00 0.00 <50 -- -- -- -- -- -- <br /> 03/05/03 12.04 10.96 -0.15 0.00 0.00 0.00 <50 - - - - - - <2 <br /> MW-13B 06/23/89 » ND ND ND ND ND -- <br /> (MW-13) 06/01/92 -- -- - -- -- - <br /> -- '- -' -- -• -- -- -- <br /> (DM-2) 08/12/92 -11102192 - " - <br /> 02/26/93 -- -- - - -- -- -- -- -- <br /> 06/02-03/93 11.42 -- - ND 300 ND 1 ND 180 <br /> 09/02-03/93 10.86 - - » ND ND ND 0.8 ND ND <br /> 12/03-06/93 -- 11.68 - - - -- - ND 14 ND 0.5 ND ND -- -- <br /> 03/01-02/94 11.88 - - - ND ND ND ND ND 0.6 <br /> 06/01/94 11.24 -- - - - ND ND ND ND ND ND <br /> 08/16-17/94 12.40 - - - ND ND ND ND ND ND <br /> 11/21194 12.02 - - <50 <50 <0.5 0.6 <0.5 0.7 <br /> 02/23/95 23.16 11.12 12.04 - - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 11.66 11.50 -0.54 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/07/95 11.20 11.96 0.46 - 87' <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 11.41 11.75 -0.21 - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/01/96 10.88 12.28 0.53 - - 64' <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 11.20 11.96 -0.32 - - 96' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 11.26 11.90 -0.06 - » 200' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 11.77 11.39 -0.51 150' <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 7.52 15.64 4.25 » <50 <50 <0.5 <0.5 <0.5 <0.5 <25 <br /> 05/12/97 10.38 12.78 -2.86 <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 08/12/97 11.58 11.58 -1.20 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/04/97 11.82 11.34 -0.24 » 64' <50 <0.5 <0.5 <0.5 4.5 <5.0 <br /> 02/11/98 7.36 15.80 4.46 220' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 15 of 33 <br /> Chevron\1001621\GWtablel st0t2003 <br /> I <br />