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f <br /> Project Number: SFB-175.0204.72 <br /> Consultant Pro' C' <br /> Number; 16C-00.250A44 <br /> Contract Number; N46CW00244.9•X <br /> Facility Number; 9.6155 <br /> yI°l Work <br /> Report eIssue Date:r Number: November 0,1990 <br /> Table 3 <br /> INDEPENDENT OC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> a as Gasoline in Soil <br /> Y EPA Method 6020/8015 <br /> Date of Analysis: 11/05/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery,% Limits,% <br /> €° Benzene 50' 53 106 85-115 <br /> f i;w Toluene 50 51 102 85.115 <br /> Ethylbenzene 50 53 i06 85-115 <br /> xylene(total) 150 157 104 85-115 <br /> Table 3a <br /> INDEPENDENT QC CHECK SAMPLE SOURCE ;, <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8020/8015 <br /> Analyte Lot Number Source <br /> Benzene LA18042 Supelco <br /> Toluene LA18042 Supelco <br /> Ethylbenzene LA18042 Supelco <br /> Xylene(total) _ LA18042 Supelco <br /> r : <br /> i�. <br /> 1 <br /> G T EL Concord.CA Page 5 of 7 <br /> L'O i C846.00C <br /> yrs ` : T E L <br /> INvr9011MINtAL <br /> 111M LAdCOAr091IS. +r <br />