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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 MtBE <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(ft) (feet) (gallons) (gallons) (N/L) (P/L) W/L) WL) UJ/L) (N/L) (N/L) (N/L) <br /> MW-37UA 02/22/99 4.20 - - - <br /> (cont.) 06/14/99 -- 5.47 - - - <br /> 09/01/99 3.46 - - - <br /> 11/30/99 5.38 _ _ _ <br /> 02/28/00 2.04 - - - <br /> 06/27/00 - ---unable to locate ---------- <br /> --------------------- <br /> 08/21/00 - 4.06 - 0.13 0.00 0.06 <br /> 11/30/00 <br /> 03/06/01 6.43 - - 0.11 0.50 0.56 Welt Not Sampled(product present) <br /> 04/23/01 6.02 - - 0.06 0.50 1.06 Well Not Sampled(product present) <br /> 08/08/01 4.91 - - 0.03 0.00 1.06 Well Not Sampled(product present) <br /> 11/20/01 18.86 6.52 12.34 - 0.30 0.40 1.46 Well Not Sampled(product present) <br /> 02/22/02 5.20 13.66 1.32 0.01 0.00 1.46 Well Not Sampled(product present) <br /> 05/13/02 6.30 12.56 -1.10 0.02 0.00 1.46 Well Not Sampled(product present) <br /> 08/27/02 5.72 13.14 0.58 0.02 0.00 1.46 170,000 130 <0.5 <0.5 <0.5 <0.5 16 <br /> 12/04/02 6.87 11.99 -1.15 0.11 0.00 1.46 110,000 150 <0.5 <0.5 <0.5 <0.5 22 <br /> 03/05/03 6.83 12.03 0.04 0.01 0.00 Me 170,000 510 <0.5 <0.5 <0.5 <0.5 - 29 <br /> MW-38UA 11/04/96 5.66 - 0.29 0.07 0.07 - _ - <br /> (DE-3) 02/05/97 1.22 - - 0.04 0.03 0.10 - - - _- <br /> 05/12/97 3.44 - - - 0.10 90,000 1,500 <5.0 <5.0 <5.0 <5.0 <50 <br /> 08/13/97 4.61 - - - - » _ _ _ <br /> 11/04/97 4.41 - - - - <br /> 02/09/98 0.79 - - - - <br /> 05/26/98 3.02 - - - <br /> 08/24/98 4.12 - - - - - <br /> 11/16/98 4.92 - - - <br /> 02/02/99 - 3.94 - - - <br /> 06/14/99 6.12 - - - <br /> 09/01/99 3.71 - - _ <br /> 11/30/99 5.93 - - - <br /> 02/28/00 2.12 - - - - <br /> 06/27/00 3.74 - - 0.00 0.00 0.10 560,000 3,100 <1.0 <1.0 <1.0 1.4 7.5 <br /> 08/21/00 3.51 - - 0.03 0.00 0.10 - - - <br /> 11/30/00 Well Inaccessible(due to work on pipeline) <br /> 03/06/01 6.43 - - 0.05 0.50 0.60 Well Not Sampled(product present) <br /> 04/23/01 5.48 - - 0.00 0.00 0.60 Well Not Sampled(product present) <br /> 08/08/01 5.29 - - 0.01 0.00 0.60 Well Not Sampled(product present) <br /> 11/20/01 18.39 5.81 12.58 - 0.01 0.00 0.60 Well Not Sampled(product present) <br /> 02/22/02 4.71 13.68 1.10 0.01 0.00 0.60 - 140 0.6 <0.5 <0.5 <0.5 3 <br /> 05/16/02 5.50 12.89 -0.79 0.01 0.00 0.60 260,000 140 1 <0.5 <0.5 <0.5 3 <br /> 08/27/02 5.25 13.14 025 0.01 0.00 0.60 46,000 120 0.6 <0.5 <0.5 <0.5 27 <br /> 12/04/02 6.33 12.06 -1.08 0.03 0.00 0.60 220,000 1,300 0.6 <0.5 <0.5 <0.5 21 <br /> 03/05/03 6.36 12.03 -0.03 0.02 0.00 0.60 300,000 1,700 0.7 <0.5 <0.5 <0.5 - 2 <br /> MW-39UA 11/04/96 6.38 - - - - 100,000 3,400 <10 <10 <10 <10 <50 <br /> (DE-4) 02/05/97 2.00 - - - - 2,700 86 <0.5 <0.5 <0.5 <0.5 7.5 <br /> 05/12/97 4.35 - - - - 28,000 390 <2.5 <2.5 <2.5 <2.5 <25 <br /> 08/13/97 4.38 <br /> 11/04/97 4.78 <br /> Chevron\1001621\G Wtablel stQt2003 <br /> 28 of 33 <br />