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• Project Number SFB-175-0204 72 <br /> Consultant Project Number 16000-250-044 <br /> Contract Number N46CWCO244-9-X <br /> Facility Number 9-6155 <br /> Work Order Number 0008737 <br /> Report Issue Date August 31, 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 08/27/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, % Limits, % <br /> Benzene 50 55 110 85-115 <br /> Toluene 50 52 104 85-115 <br /> Ethylbenzene 50 1 54 1 108 1 85-115 <br /> Xylene (total) 150 165 110 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 /> GTEL Concord CA Page 5 of 7 <br /> 000$737 DOC GTE L <br /> B N V{R O N M E N T A L <br /> ® LABOQArORI" INC <br />