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�� w w w�� w w w ttttttttttt� rift tttiti ti � � [� t!• tittittittiti � <br /> TS <br /> Groundwater Analytical Results-oxygenate Compounds <br /> Former Chevron Service Station 19-0557 <br /> 139 South Center Street <br /> Stockton,California <br /> ANALYTICAL METHOD: <br /> EXPLANATIONS: <br /> EPA Method 8260 for oxygenate Compounds <br /> TBA=Tertiary butyl alcohol <br /> MTBE,=Melhyl tertiary butyl ether <br /> DIPS:=Di-isopropyl ether <br /> F.T13E=Ethyl tertiary butyl ether <br /> TAME Tertiary amyl methyl c1her <br /> 1,2-DCA= 1,2-Dichloroethane <br /> ED13=: 1,2-Dibromoethane <br /> (pph)=Parts per billion <br /> - <br /> =Not Analyzed <br /> ' Laboratory report indicates Full Scan by EVA Method 826()were less than the reporting limits; unless noted in table. <br /> Laboratory report indicates Frill 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 Trimethylbenzene at 15 ppb, 1,2,4-Trimethylbenzene at 5.4 pph,sec-Butylhenzene at 6.7 ppb. <br /> p-lsopropyltoluene at 5.5 pph,n-T3utylben7ene at 9.7 ppb.and Naphthalene at ll1 ppb. <br /> ° L,ahoralory report indicates full Scan by EPA Method 8260 were less than the reporting limits: except for Isopropyl benzene,t 27 ppb, <br /> n-Propylhenzene at 55 pph, 1,3,5-Tri methylbenzene at 180 ppb.tert-Butylbenzenc at 86 pph, 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 /> Data provided by Secor International, 1ne. Samples were collected prior to 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 /> 9-0557.xWU386843 36 As of 031112/06 <br />