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Cumulative Table of Well Data and Analytical Results <br /> Vertical Measurements are in feet. Analytical results are in parts per billion (ppb) - <br /> Well Ground Depth - - <br /> DATE Head Wafer To Notes TPH- Benzene Toluene Ethyl- Xylene Fecal MTBE <br /> Elev. Elev. Water Gasoline Benzene Coliform* <br /> MW-6 <br /> 11/22/93 -- -- 43.08 -- 980 9.0 8.0 ND 6.0 -- _- <br /> 02/09/94 11.76 -31.05 42.81 -- 1300 7.0 9.0 0.8 6.0 -- -- <br /> 05/27/94 11.76 -30.10 41.86 -- 1100 23 2.0 1.1 4.1 -- -- <br /> 08/05/94 11.76 -30.36 42.12 -- 790 ND 1.6 0.7 3.1 -- -- <br /> 11/22/94 11.76 -31.36 43.12 -- 690 1.3 5.5 0.7 4.0 -- -- <br /> 02/24/95 11.76 -27.49 39.25 -- 2300 130 7.3 5.9 16 -- -- <br /> 05/16/95 11.76 -23.58 35.34 -- 320 23 <1.0 <1.0 2.0 -- -- <br /> 08/03/95 11.76 -23.04 34.80 -- 470 26 1.3 3.4 <0.5 <br /> 11/16/95 11.76 -22.98 34.74 -- <50 <0.5 <0.5 <0.5 <0.5 <br /> 02/22/96 11.76 -20.94 32.70 -- 100 2.2 <0.5 0.54 0.9 <br /> 05/07/96 11.83 -18.54 30.37 - <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 08/21/96 11.83 -18.90 30.73 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 09/24/96 11.83 -19.03 30.86 -- __ __ _- <br /> 11/06/96 11.83 -19.17 31.00 -- <50 <0.5 <0.5 <0.5 <0.5 - <2.5 <br /> 02/27/97 11.83 -14.28 26.11 -- 61** <0.5 <0.5 <0.5 <0.5 <2.5 <br /> 05/20/97 11.83 -14.80 26.63 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2,5 <br /> 09/02/97 11.83 -15.58 27.41 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 11124/97 11.83 -16.03 27.86 - <50 <0.5 <0.5 0.52 <0.5 -- <2.5 <br /> 02/11/98 11.83 -13.32 25.15 *** <50 <0.5 <0.5 <0.5 <0,5 -- <2.5 <br /> 06/09/98 11.83 -9.41 21.24 + 57 0.59 1.1 <0.5 <0.5 <2.5 <br /> 07/30/98 11.83 -9.97 21.80 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 11/10/98 11.83 -10.99 22.82 -- <50 0.7 <0.5 <0.5 <0.5 -- <2.5 <br /> 02/17/99 11.83 -10.28 22.11 -- <50 <Q.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 05/18/99 11.83 -9.41 21.24 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2,5 <br /> I <br /> I <br /> *Fecal coliforms measured in organisms per 100 ml. <br /> Chromatogram pattern indicates an unidentified hydrocarbon. <br /> ***Oxygenates by EPA 8260 and Methanol by EPA 8015 were not detected; see lab report for detection limits. <br /> +Oxygenates by EPA 8260 were not detected; see lab report for detection limits. <br /> Blaine Tech Services, Inc.990518-C-2 2nd-Q 1999 Monitoring at Chevron 9-0557 139 S.Center St.,Stockton,CA 10 <br />