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Protect Number SFB-175-0204 72 <br /> Consultant Protect Number 16000-250-044 <br /> Contract Number N46CWCO244-9-X <br /> Facility Number 96115 <br /> Work order Number 0008624 <br /> Report Issue Date August 27, 1990 <br /> Table 3 <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 Analysts 08/22/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, °% Limits, % <br /> Benzene 50 51 102 85-115 <br /> Toluene 50 44 88 85-115 <br /> Ethylbenzene 50 47 94 85-115 <br /> Xylene (total) 150 139 93 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 LA18042 Supelco <br /> Toluene LA18042 Supelco <br /> Ethylbenzene LA18042 Supelco <br /> Xylene (total) LA18042 Supelco <br /> GTEL Concord CA Page 5 of 7 <br /> Ccca624 DCC GOIEL <br /> MA E VYAL <br /> ® E WVI ROLABORATORIES IYC <br />