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Table 2 <br /> Groundwater Analytical Results-Oxygenate Compounds <br /> Former Chevron Service Station#9-0557 <br /> 139 South Center Street <br /> Stockton,California <br /> i <br /> EXPLANATIONS. ANALYTICAL METHOD <br /> 11 <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=1,2-Dichloroethane <br /> EDB= 1,2-Dibromoethane <br /> (ppb)=Part,;per billion <br /> --=Not Analyzed <br /> i 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-Propyibenzene at 53 ppb, 1,3,5-Tri methyl benzene at 15 ppb, 1,2,4-Tri ethylbenzene at 5 4 ppb,sec-Butyl benzene 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-Tnmethylbenzene 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 /> S Data provided by Secor international,inc Samples were collected priorlto initiation of ozone spargnig(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 /> 7 Change to data requested and provided by Secor international,Inc <br /> 9-0557 1086843 AI 110104 <br />