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TABLE C-3 U <br /> Historical Groundwater Monitoring&Analytical Data <br /> ARCO Service Station No.6080 <br /> 85 E.Louise Avenue,Lathrop,CA <br /> -X --- <br /> qvKm" <br /> GWE �GRO: E MTBE TSA <br /> Well N lift. DTW 'SPH 601PE, ETRE TAME Ethanol <br /> ED8 <br /> (feet) (feet) (ft-MSLJ (li (pgrl-) 0 IL) <br /> img, (ligi (pgfL) ("IL) (V91L) (pg&) '(pg/L) lipgi "D.O. ,Comments <br /> MSIL� <br /> 1,2-I)CA =1,2 D[chloroethane <br /> EDS=1,2-Dibromoethare <br /> P/NP=Purged/Not Purged <br /> D.O.=Dissolved Oxygen <br /> DI'W=Depth to Water <br /> OWE-Calculated groundwater elevation=TOO-Depth to Water+0 75'(MeaSurad SPH Thickness);assuming a specific gravity of 0.75 for SPH <br /> SPH=Separate phase hydrocarbons <br /> TOO m Top of casing(surveyed) <br /> Ill=feet above mean sea level <br /> pgfL=Micrograms per liter <br /> Analyte was not detected above the specified method reporting limit <br /> Nc'measured or analyzerl <br /> Beginning 311412CO3-TFHg and DTEX analyzed by EPAVethcd 1328CE2 <br /> [I =Chromatogram Pattern,:Weathered Gasoline C6-Cl2,Urrdentifiet! CE-C12 <br /> [2�=Chromatogram pattern:Unidentified Hydrocarbons C6-C12 <br /> Data Qualifier Definitions: <br /> 1)=The analyle was analyzed for,but was not detected above the sample reporting limit <br /> J=The analyte was positively identified;the associated numerical value is the aPprox;mate coricen!raticn of the analyte in the sample. <br /> N-The analysis indicate's the presence of an analyte for which there is presumptive evidence to make a tentative identification. <br /> NJ=The analysis indicates the presence of an analyte that has been tentatively identified and the associated numerical value represents its approximate concentration. <br /> UJ-The analyte was not detected above the reported sample reporting limil. However,the reported re.-cirting limit is <br /> R=The sample results are rejected due to identification or other analytical issues, F <br /> ND Not detected above reported detection limit <br /> Tables C-3&C-5 Page 4 of 4 SECOR <br />