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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 82608 <br /> Number Gauged (feet MSL) (feet,TOC) (feet,MSL) Change(ft) feet (gallons) (gallons) UJ/L) (Nn-) (v/L) (N/L) (N/L) (w/L) (N/L) Cu/L) <br /> MW-59A 09/19/02 15.97 7.24 8.73 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 0.6 <br /> 12/04/02 8.27 7.70 -1.03 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 0.5 <br /> 03/05/03 8.36 7.61 -0.09 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 - <2 <br /> MW-61UA 03/05/03 22.62 10.33 12.29 - 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 - <2 <br /> MW-62UA 03/05/03 20.67 8.67 12.00 - 0.00 0.00 0.00 190 <50 <0.5 <0.5 <0.5 <0.5 - <2 <br /> MW-63A 03/05/03 19.24 7.21 12.03 - 0.00 0.00 0.00 96 <50 <0.5 <0.5 <0.5 <0.5 - <2 <br /> MW-64B 03/05/03 21.88 10.83 11.05 - 0.00 0.00 0.00 100 <50 <0.5 <0.5 <0.5 <0.5 - 2.0 <br /> MW-65A 03/05/03 22.70 10.48 1222 - 0.00 0.00 0.00 94 <50 <0.5 <0.5 <0.5 <0.5 - <2 <br /> TB-1 12/04/02 - - <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> Chromatogram pattern indicates an unidentified hydrocarbon <br /> Sample bottle broke in transit <br /> Sample contaminated by lab <br /> SPH=Separate-Phase Hydrocarbon <br /> TPH=Total Petroleum Hydrocarbons <br /> MtBE=Methyl tertiary Butyl Ether <br /> TOC=Top of Casing <br /> =Samples filtered by a 0.7 micron glass fitter <br /> =MtBE conftmation by EPA Method 8260 <br /> u/L=micrograms per liter <br /> -- =Not Analyzed or Measured <br /> ND=Not Detected <br /> MW-18 was rechecked for SPH on 1/23/01. No SPH was found. <br /> MSL=Mean Sea Level <br /> TBA=tertiary-Butyl-Alcohol <br /> TAME=tertiary-Amyl-Methyl Ether <br /> QA=Quality Assurance(trip blank) <br /> a=modified <br /> b=analyte not sampled as per MRP No.R5-2002-0806 <br /> 33 of 33 <br /> Chevron\1001621\G W table 1 stQt2003 <br />