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i • � <br /> 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 Water To Notes TPH- Benzene Toluene Ethyl- Xylene Fecal MTBE <br /> Elev. Elev. Water Gasoline Benzene Coliform* <br /> MW-4 <br /> 03/08/91 12.30 -32.45 44.75 -- NO NO ND NO NO -- - <br /> 06/27/91 12.30 -32.78 45.08 -- ND NO ND NO NO -- -- <br /> 09/12/91 12.30 -33.17 45.47 -- ND ND ND NO NO -- - <br /> 12/06/91 12.30 -33.27 45.57 -- ND ND ND NO NO -- -- <br /> 04/03/92 12.30 -31.98 44.28 NO NO NO NO NO -- -- <br /> 07/10/92 12.30 -33.24 45.54 -- NO NO NO ND NO -- - <br /> 11/10/92 12.30 -34,86 47.16 -- ND ND NO 2.0 6.9 -- - <br /> 02/16/93 12.30 -32.88 45.18 -- NO NO NO NO ND -- - <br /> 05/17/93 12.30 -30.64 42.94 -- 430 8.0 24 13 81 -- -- <br /> 08/17/93 12.30 -30.72 43.02 -- ND NO ND ND ND -- -- <br /> 11/22/93 12.30 -31.13 43.43 -- NO NO NO NO NO -- - <br /> 02/09/94 12.30 -30.92 43.22 -- ND ND NO NO ND -- - <br /> 05/27/94 12.30 -29.89 42.19 -- ND ND ND NO NO -- -- <br /> 08/05/94 12.30 -30.16 42.46 -- ND NO NO NO NO -- -- <br /> 11/22/94 12.30 -31.07 43.37 -- <50 <0.5 <0.5 <0.5 <0.5 -- - <br /> 02/24/95 12.30 -27.15 39.45 -- <50 <0.5 <0.5 <0.5 <0.5 -- - <br /> 05/16/95 12.30 -23.47 35.77 -- <50 <0.5 <0.5 <0.5 <0.5 -- - <br /> 08/03/95 12.30 -21.85 34.15 -- <50 <0.5 <0.5 <0.5 <0.5 -- - <br /> 11/16/95 12.30 -22.90 35.20 -- <50 <0.5 <0.5 <0.5 <0.5 - <br /> 02122/96 12.30 -20.76 33.06 -- <50 <0.5 <0.5 <0.5 <0.5 -- -- <br /> 05/07/96 12.34 -18.51 30.85 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 08/21/96 12.34 -18.86 31.20 - <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 09/24/96 12.34 -18.91 31.25 - -- -- -- -- -- -- -- <br /> 11/06/96 12.34 -18.96 31.30 <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 02/27/97 12.34 -14.22 26.56 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 05/20/97 12.34 -14.63 26.97 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 09/02/97 12.34 -15.29 27.63 -- <50 <0.5 <0.5 <0.5 <0.5 -- <2.5 <br /> 11/24/97 12.34 -15.75 28.09 ** <50 <0.5 <0.5 0.96 0.53 <2.5 <br /> CONTINUED ON NEXT PAGE <br /> *Fecal coliforms measured in organisms per 100 ml. <br /> "*Oxygenates by EPA 8260 and Methanol by EPA 8015 were not detected; see lab report for detection limits. <br /> Blaine Tech Services, Inc.990830-N-1 3rd-Q 1999 Monitoring at Chevron 9-0557 139 S.Center St.,Stockton,CA 7 <br />