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s � s <br /> WELL CONCENTRATIONS <br /> Shell-branded Service Station <br /> I <br /> 2320 North Eldorado <br /> Stockton, CA <br /> MTBE Depth to GW <br /> Well ID Date TPPH B T E X 8260 DIPS ETBE TAME TBA Ethanol TOC Water Elevation <br /> (u IL u IL u /L __(99/L) u IL u IL u It (u IL u I u IL u /L MSL f# MSL <br /> Notes <br /> a=Hydrocarbons reported as TPH as gasoline do not exhibit a typical gasoline chromatographic pattem/Hydrocarbon does not match pattern of laboratory's standard <br /> b=Hydrocarbons reported as TPPH do not exhibit atypical Gasoline chromatographic pattern for sample MW--2 Two compounds not normally associated with gasoline, <br /> Tetrachloroethene and Trichloroethene,are present in the TPPH spectrum for sample MW-2 <br /> c=The concentration reported reflect(s)individual or discrete unidentified peaks not matching a typical fuel pattern <br /> d=Analyzed out of holding time <br /> e=The sample chromatographic pattern for TPH does not match the chromatographic pattern of the specified standard Quantitation of the unknown hydrocarbon(s)in the sample <br /> was based upon the specified standard <br /> f=Analyte was detected at a concentration below the reporting limit and above the laboratory method detection limit Reported value is estimated <br /> Ethanol analyzed by EPA Method 82608 <br /> Site surveyed March 7,2003 by Mid Coast Engineers <br /> I <br /> Page 5 <br />