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i • � <br /> TABLE 2 <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station 760 <br /> 225 South Cherokee Lane <br /> Lodi, California <br /> Well/ Elevation Static <br /> Sample of Top Water Elevation of Ethyl- Total <br /> Number Date of Casing Level Groundwater TPHg TPHd Benzene Toluene benzene Xylenes TOG Observations <br /> MW-1 03/21/94 52 91 59 90 -6 99 60 <10 <0 3 0 5 0 4 0 7 *<i No FP, No S <br /> MW-2 03/21/94 53 27 60 26 -6 99 93 <10 <0 3 0 9 0 6 1 3 **<5 No FP, No S <br /> MW-3 03/21/94 54 38 61 26 -6 88 130 <10 0 4 0 7 0 5 1 1 **<5 No FP, No S <br /> TBLB 03/21/94 NM NM HN <10 NA <0.3 <0 3 <0 3 <0 5 NA NA <br /> Analytical results in parts per billion <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> TPHd = Total petroleum hydrocarbons as diesel <br /> ELevation datum is mean sea Level <br /> Measurements in feet <br /> NA = Not analyzed <br /> NM = Not measured <br /> * = EPA Method 413 2 (Infrared Spectrometry <br /> ** = EPA Method 413 1 (Gravimetric Analysis) <br /> TBLB = Trip blank <br /> < = Below detection Limit for analytical methods used <br /> FP = Free product <br /> S = Sheen <br /> 0319ccar/38048-11 <br /> ,I <br />