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Project Number SFE3-175.0204 72 <br /> Consultant Project Number 16000-25x-044 <br /> Contract Number N46CW00244-9-X <br /> Facility Number 9-6155 <br /> 0 Work Order Number C010620 <br /> Report issue Date October 26 1990 <br /> Table 3 <br /> INDEPENDENT OC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics In Soil <br /> MODIFIED EPA METHOD 8020 <br /> Date of Analysis 10/18/90 <br /> Expected Result, Observed Result, <br /> Analyte Acceptability <br /> ug/L ug/L Recovery, % Limits, % <br /> 51 3 103 85-115 <br /> 50 <br /> Benzene 8,_115 <br /> Toluene 5o 2 <br /> 52 4 105 85-115 <br /> Ethylbenzene 50 85.115 <br /> Xylene (total) <br /> 150 156 9 105 <br />• Table 3a <br /> INDEPENDENT OC CHECK SAMPLE SOURCE <br /> Purgeable Aromatics In Sod <br /> MODIFIED EPA METHOD 8020 <br /> Analyte <br /> Lot Number Source <br /> Benzene <br /> LA18042 SUPELCO <br /> Toluene LA18042 SUPELCO <br /> 42 SUPELCO <br /> LAI 80 <br /> Ethylbenzene SUPELCO <br /> Xylene (total) LA18042 <br /> GTEL Concord,CA <br /> Page 5 of 7 <br /> C010620 DOC GTE <br /> L <br /> E14VIRONMENTAL <br /> ® LABORATORIES INC <br />