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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 Water To Notes TPH- Benzene Toluene Ethyl- Xylene Fecal MTBE <br /> Elev. Elev. Water Gasoline Benzene Coliform* <br /> MW-9 <br /> 11/24/97 11.68 -16.27 27.95 ** 120,000 14,000 30,000 3100 15,000 - 1800 <br /> 02/11/98 11.68 -13.41 25.09 -- 110,000 6900 20,000 2600 13,000 -- <500 <br /> 06/09/98 11.68 -10.33 22.01 *"* 75,000 7800 19,000 2300 12,000 -- <250 <br /> 07/30/98 11.68 -10.14 21.82 66,000 5500 1700 1800 1300 -- 1300 <br /> 11/10/98 11.68 -11.16 22.84 -- 4700 140 8.1 280 87 -- <5.0 <br /> 02/17/99 11.68 -10.07 21.75 - 25,000 2600 6000 670 4000 -- <250 <br /> 05/18/99 11.68 -9.62 21.30 -- 71,000 13,000 27,000 2300 14,000 <2.5 <br /> 08/30/99 11.68 -10.86 22.54 -- 85,000 9200 17,500 1620 10,500 4500 <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 /> ***Oxygenates by EPA 8260 were not detected; see lab report for detection limits. <br /> Blaine Tech Services,Inc. 990830-N-1 3rd-0 1999 Monitoring at Chevron 9-0557 139 S.Center St., Stockton,CA 12 <br />