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• <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 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 82608 <br /> Number Gauged (feet MSL) (feet TOC) (feet MSL) Change(ft.) (feet) (gallons) (gallons) (v/L) (W/O (p/L) (N/L) (,u/L) (p/L) (p/L) <br /> MW-7A 06/02-03/93 5.40 13.71 -1.15 0.05 -- <br /> (cont.) 09/02-03/93 5.30 13.81 0.10 0.32 - <br /> 12/03-06/93 6.95 12.16 -1.65 0.15 <br /> 03/01-02/94 6.83 1228 0.12 0.05 - <br /> 06/01/94 7.02 12.09 -0.19 0.60 •- <br /> 08/16-17/94 7.70 11.41 -0.68 1.49 - - <br /> 11/21/94 8.58 10.53 -0.68 1.51 1.14 1.14 - <br /> 02/23/95 19.14 6.74 12.37 1.84 1.02 0.53 1.67 <br /> 05/30/95 5.44 13.67 1.30 0.68 0.03 1.70 - - <br /> 08/07/95 5.03 14.08 0.41 0.63 0.45 2.15 - - <br /> 11/02/95 6.69 12.42 -1.66 0.09 0.01 2.16 - - <br /> 02/01/96 5.87 1324 0.82 025 0.26 2.42 - - <br /> 05/01/96 5.52 13.59 0.35 0.13 0.13 2.55 - - - <br /> 08/08/96 4.93 14.18 0.59 - - 2.55 21,000 120 <0.5 <0.5 <0.5 <0.5 76 <br /> 11/04/96 6.43 12.68 -1.50 0.09 0.11 2.66 - - - - "" -- <br /> 02/05/97 1.93 17.18 4.50 0.03 0.14 2.80 - - - -• -- -- <br /> 05/12/97 4.28 14.83 -2.35 - - 2.80 29,000 1,700 <0.5 <0.5 <0.5 <0.5 23 <br /> 08/13/97 4.27 14.84 0.01 - 2.80 76,000 1,400 2 <0.5 <0.5 <0.5 46 <br /> 11/04/97 6.62 12.49 -2.35 - 2.80 1,800,000 1300' <0.5 <0.5 <0.5 <0.5 64 <br /> 02/10/98 1.06 18.05 5.56 - - 2.80 62000 8,100 <0.5 <0.5 <0.5 <0.5 <5.0 <br /> 05/26/98 3.45 15.66 -2.39 0.01 - 2.81 -- - -- -- -- -- <br /> 08/24/98 4.64 14.47 -1.19 - - 2.81 3,460 <1.0 <1.0 <1.0 <1.0 94 <br /> 11/16/98 5.94 13.17 -1.30 0.01 - -- - - "- <br /> 02/22/99 4.17 14.94 1.77 - 2.81 1,540° 1,390 <0.50 <0.50 <0.50 <0.50 22.8 <br /> 06/15/99 5.72 13.39 -1.55 - - 2.81 141 <0.5 <0.5 <0.5 <0.5 <10.0 <br /> 09/01/99 3.35 15.76 2.37 -- 2.81 2,340 1,200 <0.5 <0.5 <0.5 <0.5 75.3 <br /> 11/30/99 6.37 12.74 -3.02 0.01 2.81 - -- -- -- -- -- <br /> 02/28/00 4.18 14.93 2.19 0.01 2.81 - - - -- -- -- <br /> 06/27/00 4.60 14.51 -0.42 0.00 0.00 2.81 220,000 1,300 <0.50 <0.50 1.1 2.6 17 <br /> 08/21/00 4.35 14.76 025 0.00 0.00 2.81 450,000 5,900 1.30 1.10 <0.5 2.5 19 <br /> 11/30/00 6.43 12.71 -2.05 0.00 0.00 2.81 140,000 2,000 <0.50 <0.50 <0.50 <0.50 5.5 <br /> 03/06/01 6.43 12.71 0.00 0.00 0.00 2.81 Well Not Sampled(product present) <br /> 04/23/01 6.42 12.69 -0.02 0.00 0.00 2.81 Well Not Sampled(sheen present) <br /> 08/08/01 19.43 5.26 14.17 1.48 0.00 0.00 2.81 Well Not Sampled(sheen present) <br /> 11/20/01 6.75 12.68 -1.49 0.02 0.10 2.91 Well Not Sampled(sheen present) <br /> 022'22/02 5.60 13.83 1.15 0.00 0.00 2.91 Well Not Sampled(sheen present) <br /> 05/13/02 6.82 12.61 -1.22 0.02 0.00 2.91 Well Not Sampled(sheen present) <br /> 08!27/02 6.15 13.28 0.67 0.02 0.00 2.91 320,000 79 <0.5 <0.5 <0.5 <0.5 26 <br /> 12/04/02 7.21 12.22 -1.06 0.00 0.00 2.91 38,000 76 <0.5 <0.5 <0.5 <0.5 35 <br /> 03/05/03 7.31 12.12 -0.10 0.00 0.00 2.91 78,000 1,200 <0.5 <0.5 <0.5 <0.5 - 47 <br /> MW-8 10/13/88 -- -- - -- - -• - ND ND ND ND ND ND -- -- <br /> 02/22/89 17.51 6.26 1125 - - - - -- ND ND ND ND ND -- -- <br /> 04/14/89 5.36 12.15 0.90 - ND ND ND ND ND ND <br /> 07/18/89 __ - - - ND ND ND ND ND ND <br /> 08/20/89 3.30 14.21 - - <br /> 10/05/89 3.22 1429 0.08 - ND ND ND ND ND ND <br /> 01/17/90 6.09 11.42 -2.87 - ND ND ND ND ND ND <br /> 9 of 33 <br /> Chevron\1001 621\GWtablel stQt2003 <br />