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Ta4ndi Groundwater Monitoring Analytical Results <br /> Chevron Service Station#9-0557 <br /> 139 South Center Street <br /> Vertical Measurements are in feet. Stockton,California Analytical results are in parts per billion(ppb) <br /> well " Gt auM Dept6:'< <br /> DATE Head Water To 1 Estes TP14Benzene Toluene Ethyl- Xylenes MTBE Fecal <br /> Elev. Elev. Wstter.. GaaE line Benzene Coliform <br /> MW-7 <br /> 12/28/95 11.08 -23.03 34.11 -- - - -- -- -- <br /> 05/16/96 11.08 -22.12 33.20 -- 9700 350 97 750 880 <125 <br /> 08/21/96 11.08 -- -- -- -- -- -- -- -- <br /> 09/24/96 11.08 -19.59 30.67 -- 9800 450 66 790 500 110.00 -- <br /> 11/06/96 11.08 -19.93 31.01 -- 8200 290 28 470 380 54.00 -- <br /> 02/27/97 11.08 -14.74 25.82 -- 8700 340 51 510 390 <100 -- <br /> 05/20/97 11.08 -15.30 26.38 -- 8200 290 60 460 410 110,00 -- <br /> 09/02/97 11.08 -16.12 27.20 -- 6400 230 35 400 260 23.00 -- <br /> 11/24/97 11.08 -16.59 27.67 ** 6300 260 <50 420 210 <250 -- <br /> 02/11/98 11.08 -13.82 24.90 3800 120 18 110 140 <25 -- <br /> 06/09/98 11.08 -10.54 21.62 *** 7800 400 84 450 <50 780.00 -- <br /> 07/30/98 11.08 -10.42 21.50 -- 4300 230 25 350 120 <100 -- <br /> 11/10/98 11.08 -11.46 22.54 -- 3600 110 6.7 210 67 <5.0 -- <br /> 02/17/99 11.08 -10.62 21.70 -- 1900 100 <100 170 77 <500 -- <br /> 05/18/99 11.08 -9.72 20.80 -- 2300 83 <0.5 160 49 60.00 -- <br /> 08/30/99 11.08 -10.98 22.06 -- 1740 75 8.05 111 39.3 <25 - <br /> 12/02/99 11.08 -11.57 22.65 -- 1390 61.6 5.65 91.4 33.7 <50 -- <br /> 02/02/00 11.08 -11.27 22.35 -- 2040 68.6 4.05 116 44.1 <5.0 -- <br /> 05/17/00 11.08 -9.24 20.32 -_ 1,180' 67.1 <5.00 70.6 48.9 <25.0 -- <br /> 08/14/00 11.08 -10.33 21.41 -- 1,600' 98 &4 150 53 22 <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 /> 9-0557.xls/#386843 I3 As of 08/14/00 <br />