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Project Number SFB-175-0204 72 <br /> Consultant Project Number 16000-250-044 <br /> Contract Number N46CWCO244 9-X <br /> Faairty Number 9-6155 <br /> Work Order Number C010846 <br /> Report Issue Cate November 8 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 Analysis 11/05/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ug/L Recovery, % Limits, % <br /> Benzene 50 53 106 85-115 <br /> Toluene 50 51 102 85-115 <br /> Ethylbenzene 50 53 1 106 1 85-115 <br /> -7jjXylene (total) 150 157 104 $5-115 <br /> Table 3a <br /> INDEPENDENT OC CHECK SAMPLE SOURCE <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline to Sod <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 /> I <br />• GTEL Concord CA Page 5 of 7 <br /> C010846 00C GTE L <br /> Enevip0NMe14TAL <br /> ® LA 50 RA 70 R1 E5 1VC <br />