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Project Number SF&175-0204 72 <br /> Consultant Project Number 16000-242-044 <br /> Contract Number N46CWCO244-9-X <br /> Facility Number 9-6155 <br /> Work Order Number 0009120 <br /> Report Issue Date September 11, 1990 <br /> Table 3 <br /> INDEPENDENT QC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis 09/05/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, % Umtts, % <br /> Benzene 50 47 94 85-115 <br /> Toluene 50 47 94 85-115 <br /> Ethylbenzene 50 48 96 1 85-115 <br /> Xylene (total) 150 152 101 85-115 <br /> Table 3a <br /> INDEPENDENT QC CHECK SAMPLE SOURCE <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline to Soil <br /> EPA Method 8020/8015 <br /> Analyte Lot Number Source <br /> Benzene LA19042 Supelco <br /> Toluene LA19042 Supelco <br /> Ethylbenzene LA19042 Supelco <br /> Xylene (total) LA19042 Supelco <br /> GTEL Concord,CA Page 5 of 7 <br /> 0009120 DOC C70f E L <br /> EN V I R O Y N=Y T A L <br /> LA602ATOR1:s IVC <br />