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Table z <br /> Groundwater Analytical Res Oxygenate Compounds <br /> Former Chevron Service Station 99-0557 <br /> 139 South Center Street <br /> Stockton,California <br /> EXPLANATIONS ANALYTICAL,METHOD <br /> TBA=Tertiary butyl alcohol EPA Method 8260 for Oxygenate Compounds <br /> MTBE=Methyl tertiary butyl ether <br /> DIPE=Di-isopropyl ether <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> 1,2-DCA= 12-Dichloroethane <br /> EDB= 1,2-Dibromoethane <br /> (ppb)=Parts per billion <br /> --=Not Analyzed <br /> Laboratory report indicates Full Scan by EPA Method 8260 were less than the reporting limits unless noted in table <br /> 2 Laboratory report indicates Full Scan by EPA Method 8260 were less than the reporting limits, except for Isopropyl benzene at 39 ppb, <br /> n-Propylbenzene at 53 ppb, 1,3,5-Trimethyl benzene at 15 ppb, 1,2,4-Trimethylbenzene at 5 4 ppb sec-Butylbenzene at 6 7 ppb, <br /> p-Isopropyltoluene at 5 5 ppb,n-Butylbenzene at 9 7 ppb,and Naphthalene at 10 ppb <br /> 3 Laboratory report indicates Full Scan by EPA Method 8260 were less than the reporting limits, except for Isopropyl benzene at 27 ppb, <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 /> ° 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 to initiation of ozone spargmg(baseline samples) Wells were not purged <br /> prior to collection of samples <br /> 5 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 /> 9-0557 x!s/#386843 37 As of 02/11/65 <br />