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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 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) (ir/L) (Ju/L) (P/L) (P/L) (N/L) (p/L) (pr/l-) (y/L) <br /> MW-236 11/16/98 7.77 11.80 -0.98 - 53.6 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> (cont.) 02/22/99 6.79 12.78 0.98 - - <50' <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 06/14/99 7.70 11.87 -0.91 - - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0 <br /> 09/01/99 6.63 12.94 1.07 - - - 99 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 11/30/99 8.37 1120 -1.74 - - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10.0/<10.0° <br /> 02/28/00 6.89 12.68 1.48 - - - <50 <100 <0.5 <0.5 <0.5 <1.0 <10.0 <br /> 06/27/00 7.16 12.41 -0.27 0.00 0.00 0.00 <50 <50 0.77 <0.5 <0.5 1.0 <0.5 <br /> 08/21/00 7.08 12.49 0.08 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 11/30/00 8.61 10.96 -1.53 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 03/06/01 8.76 10.61 -0.15 0.00 0.00 0.00 560 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 04/23/01 8.70 10.87 0.06 0.00 0.00 0.00 100 <50 <0.50 0.82 <0.50 0.88 <0.50 <br /> 08/09/01 20.20 7.67 12.53 1.66 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 0.63 <br /> 11/20/01 8.81 11.39 -1.14 0.00 0.00 0.00 350 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 02/21/02 8.32 11.88 0.49 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 05/15/02 8.34 11.86 -0.02 0.00 0.00 0.00 <50. b b b b b <0.5 <br /> 08/27/02 9.38 10.82 -1.04 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 12/04/02 9.11 11.09 027 0.00 0.00 0.00 400 - - ._ <br /> 03/05/03 928 10.92 -0.17 0.00 0.00 0.00 300 - - _ _ _ _ <2 <br /> MW-34UA 02/16/86 -- - - - - - - 6900 - <br /> (T-1) 10/06/89 17.42 3.51 13.91 - - - -- ND ND NO NO ND NO -- <br /> 01/17/90 5.88 11.54 -2.37 - - - ND ND NO NO NO ND <br /> 04/16/90 5.16 12.26 0.72 - - 300 ND NO NO NO ND <br /> 07/18/90 -- - - - - ND ND NO ND NO ND <br /> 10/17/90 - - - _ 60 NO NO NO ND ND <br /> 01/14/91 - - <br /> 04/04/91 5.57 11.85 <br /> 04/10/91 -- - - - - - ND ND NO NO NO ND <br /> 07/10/91 3.04 14.38 - - - - NO NO NO ND NO NO <br /> 06/01/92 _ <br /> 08/12/92 3.65 13.77 - - - - ND NO NO ND ND NO <br /> 11/02/92 4.98 12.44 -1.33 - - NO ND 1.6 NO NO NO <br /> 02/26/93 1.35 16.07 3.63 - - ND ND ND ND NO NO <br /> 06/02-03/93 3.85 13.57 -2.50 - - - NO ND ND NO NO ND <br /> 09/02-03193 3.29 14.13 0.56 - - - NO NO ND ND NO NO <br /> 12/03-06/93 5.07 12.35 -1.78 - - ND 37 1 4 2 9 <br /> 03/01-02/94 5.22 12.20 -0.15 - - ND NO NO NO ND NO <br /> 06/01/94 4.98 12.44 024 - - ND ND NO NO ND NO <br /> 08/16-17/94 5.93 11.49 -0.95 - - NO ND NO NO ND NO <br /> 11/21/94 5.70 11.72 023 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/23/95 3.96 13.46 1.74 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 3.52 13.90 0.44 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/30/95 3.52 13.90 0.00 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/07/95 3.40 14.02 0.12 - - - <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/02/95 4.87 12.55 -1.47 - - 330 <50 0.59 <0.5 <0.5 <0.5 <br /> 02/01/96 3.14 14.28 1.73 - - -- 1,600 <50 <0.5 <0.5 <0.5 <0.5 <br /> 05/01/96 3.85 13.57 -0.71 - - - 2,000 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 08/08/96 4.51 12.91 -0.66 - - - 1,300 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 11/04/96 5.12 12.30 -0.61 - - 2,100 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 02/05/97 0.00 17.42 5.12 - - 390 <50 <0.5 <0.5 <0.5 <0.5 <2.5 <br /> Ch evron\1 00 1621\G Wtablel st0t2003 <br /> 24 of 33 <br />