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Table 2 <br /> Fuel Oxygenates Analytical Data <br /> ARCO Service Station No 2186 <br /> 3212 N California Street, Stockton, CA <br /> TBA=Tert-butyl alcohol <br /> DIPE=Di-isopropyl ether <br /> EtBE=Ethyl tert-butyl ether <br /> MtBE=Methyl tert-butyl ether <br /> TAME=Tert-amyl methyl ether <br /> 1,2-DCA=1,2-Dichloroethane <br /> EDB=1,2-Dibromoethane <br /> ug/L=micrograms per liter <br /> <=below given laboratory detection limit <br /> --=not measured or not analyzed <br /> NA=Not analyzed <br /> NS=Not sampled <br /> [1]=This sample was analyzed outside of the EPA recommended holding time <br /> [2]=The reported value exceeds the calibration curve,but not the linear range <br /> =Raised MRL due to high anafyte concentration requiring sample dilution <br /> [D]=MW-1 (Discrete) <br /> I <br /> Data Qualifier Definitions <br /> U=The analyte 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 approximate concentration of the analyte in the sample <br /> N=The analysis indicates 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 limit However,the reported reporting limit is approximate and may or may not represent the actual limit of quantitation <br /> necessary to accurately and precisely measure the analyte in the sample <br /> R=The sample results are rejected due to identification or other analytical issues <br /> ND=Not detected above reported detection limit <br /> I <br /> Report Date January 18,2005 Page 9 of 9 <br />