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1� Table 2 <br /> Groundwater Analytical Results-Oxygenate Compounds <br /> Former Chevron Service Station#9-0557 <br /> 139 South Center Street <br /> (Stockton,California <br /> it <br /> ANALYTICAL METHOD <br /> EXPLANATIONS �I <br />� EPA Method 8260 for Oxygenate Compounds <br /> TBA=Tertiary butyl alcohol <br /> MTBE=Methyl tertiary butyl ether <br /> DIPS=Di-isopropyl ether <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> 1,2-DCA= 1,2-Dichloroethane <br /> EDB= 1,2-Dibromoethane <br /> (ppb)=Parts per billion <br /> --=Not Analyzed <br /> ` <br /> less than the reporting limits, unless noted in table <br /> Laboratory report indicates Full Scan by EPA Method 8260 were l <br /> z ort indicates Full Scan by EPA Method 8260 were less than the reporting limits, except for Isopropyl benzene at 39 ppb, <br /> Laboratory rep <br /> n-Propylbenzene at 53 ppb, 1,3,5-Tri methyl benzene at 15 ppb, 1,2,4-Trime�thy lbenzene at 5 4 ppb,sec-Butylbenzene at 6 7 ppb <br /> p-1 sopropyltoluene at 5 5 ppb,n-Butylbenzene at 9 7 ppb,and Naphthalenil at 10 ppb <br /> Laboratory report indicates Full Scan by EPA Method 8260 were less than`the reporting limits except for Isopropyl benzene at 27 ppb <br /> I I <br /> n-Propylbenzene at 55 ppb, 1,3,5-Trimethylbenzene at 180 ppb,tert-Butylbenzene at 86 ppb, 1,2,4-Trimethylbenzene at 580 ppb,and <br /> Naphthalene at 190 ppb <br /> a Samples were collected for oxygenate compounds but request for analysis omitted on Chain of Custody <br /> 5 Data provided by Secor International,Inc Samples were collected prior taf initiation of ozone sparging(baseline samples) Wells were not purged <br /> prior to collection of samples <br /> Data provided by Secor International,Inc Wells were not purged prior to collection of samples <br /> Change to data requested and provided by Secor International,Inc <br /> I <br /> As /17/05 <br /> 9-0557 <br /> 943 <br />