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Project Number: SFB-175-0204.72 <br /> Consultant Project Number: 203-175-3289 <br /> Contract Number: N46CWCO244-9-X <br /> Facility Number: 9-0342 <br /> Work Order Number: 0002237 <br /> Report Issue Date: February 20, 1990 <br /> Table 3 i <br /> I <br /> INDEPENDENT OC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis: 02/13/90 Y <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, % Limits, % <br /> Benzene 50 48 96 85-115 i <br /> Toluene 50 47 94 85-115 a } <br /> Ethyl benzene 50 47 94 85-115 <br /> xylene (total) 150 142 95 85-115 <br /> I <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 /> { <br /> Anatyte Lot Number Source <br /> i <br /> Benzene LA18042 SUPELCO <br /> Toluene LA18042 SUPELCO <br /> Ethylbenzene LA18042 SUPELCO <br /> Xylene (total) LA18042 SUPELCO <br /> i <br /> i <br /> I <br /> GTEL Concord, CA Page 5 of 7 <br /> D002237.DOC .� <br /> � - GTE L <br /> E N V I R O N M E N T A L <br /> LABORA10RIES. INC- <br /> . � <br /> f <br />