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Table 1 <br /> Groundwater Monitoring Data <br /> ARCO Service Station 760 <br /> 2255 South Cherokee Lane <br /> Lodi, California <br /> I <br /> '4'4'ell Elevation Static <br /> Sample of fop of Water Eleiation of Ethvl- Total <br /> Number Date Casing Leel Groundwater TPHG TPHD Benzene Toluene benzene Xylenes TOG Observations <br /> NIW-1 03/21/94 5291 5990 -699 60 <10 <0 3 05 04 0 7 *<1 No FP, No S <br /> 06/24/94 5291 6172 -881 38 <10 0 3 0 4 0 3 17 <1 No FP, No S <br /> MW-2 03/21/94 5327 6026 -699 93 <10 <0 3 09 0 6 13 "<5 No FP, No S <br /> 06/24/94 5327 6240 -9 13 31 <10 <0 3 <} 3 <0 3 <0 5 <1 No FP, No S <br /> MW-3 03/21/94 5438 6126 -6 88 130 <10 04 0 7 0 5 1 1 "<5 No FP, No S <br /> 06/24/94 5438 6339 -901 58 <10 <0 3 0 3 <0 3 <05 <1 No FP, No S <br /> TBL.B 03/21/94 NM NM NM <10 NA <0 3 <0 3 <0 3 <0 5 NA NA <br /> 06/24/94 NM NM NM <10 NA <0 3 <0 3 <0 3 <0 3 NA NA <br /> I <br /> Analytical results in parts per billion <br /> Ele%anon datum is mean sea le%el <br /> Measurements to feet <br /> TPHG = Total petroleum hxdrocarbons as gasoline <br /> TPIID = Total petroleum h,,drocarbons as diesel <br /> NA = Not analyzed <br /> Nh1 = Not measured <br /> TRI B = Trip blank <br /> FP = Free product <br /> S = Sheen <br /> * = EPA Method 413 2 (infrared Spectrometry) <br /> * = EPA Method 413 1 (Gravtmeinc Anal)sts} <br /> < = BLlou &tcctton hint loranalNu,-al mci11tx1s usLd <br /> SAC/pA0805\08051 110 1 dl 94 Ifc 6 <br />