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Project Number: SFB-175,0204.72 <br /> Consultant Project Number. 16000.2504)48 <br /> Contract Number: N46CWCO244.9-X <br /> Facility Number: Not Given <br /> Work Order Number: 0008790 <br /> Repon Issue Date: September 5,1550 <br /> Table 3 <br /> r� <br /> INDEPENDENT OC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Sod <br /> EPA Method 8020/8015 <br /> Date of Analysis' 06/27/90 <br /> Acceptability <br /> Expected Result, Observed Result, Recovery.9G Limits,% <br /> Analyte ug/L ug/L ry <br /> 5o 55 110 85-115 <br /> Benzene 104 85-115 <br /> Toluene 50 52 <br /> 50 54 iOB 65-115 <br /> Ethylbenzene 110 85-115 <br /> Xyiene(local) 150 165 <br /> Table 3a <br /> INDEPENDENT OC !ECK SAMPLE SOURCE <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> k <br /> EPA Method 8020/8015 <br /> Lot Number Source <br /> Analyte Supelco <br /> -- Benzene LA18042 <br /> LA18042 Supelco <br /> Toluene Supelco <br /> upelco <br /> Ethylbenzene <br /> Supelco <br /> Xylene(total) LA18042 <br /> - Page 5 o17 <br /> GTEL Concord.CA <br /> 001181 90.DOC <br /> '-- _ E HVIa OHY ry IAL _ <br /> LAEOOAIQOIES. iML . <br />