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Project Number; SM-175.0204.72 <br /> Consultant Project Number: 203.175-324ir 1) <br /> Contract Number: N46CWCO244-9-X <br /> Facility Number: 940557 <br /> Work Order Number: D005261 <br /> Report Issue Date: May 11, 1990 <br /> Table 3 <br /> INDEPENDENT QC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Tota! Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis: 05/09/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, % Limits, % <br /> Benzene 50 57 114 85-115 <br /> Toluene 50 48 96 85-115 <br /> Ethylbenzene 50 52 104 85-115 <br /> • Xylene (total) 150 165 110 85-115 <br /> Table 3a <br /> INDEPENDENT OC 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 (iota!) LA18042 Supelco <br /> GTEL Concord,CA Page 4 of 6 <br /> DOQ526,.DOC E L <br /> SGT <br /> ENYIRONvAENTAL <br /> LABORATORIES. INC. <br />