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_ ^7 <br /> Project Number: 5F8-175-0204,72 <br /> Consultant Protect Number: 16,00.2° a4 <br /> Contract Number: N46CWCO244•¢X <br /> Facility Number; Not Given <br /> Work Order Number; C008790 <br /> Repon Issue Date. September S.1990 <br /> I <br /> CA Conformance Summary <br /> Purgeabie Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> 1.0 Blanks <br /> Five of5 target compounds were below detection limits in the reagent water blank and reagent <br /> methanol blank as shown in Tables 2a and 2b. <br /> 2.0 IndepQndent QC,CheOk Sample <br /> The control limits were met for 4 out of 4 OC check compounds as shown in Table 3. <br /> i' <br /> 3.0 Surrooate CompoUndR ecoveries <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> .y as shown in Table 4. <br /> 4.0 Wtilix Qnike(MS) n Matrix ik Duialicate(MaD)Acc!jracyand—Precision <br /> 4.1 Percent recovery limits were met for 4 of 4 compounds in the MS and MSD as shown in Table <br /> 5. <br /> aM 4.2 Relative percent difference(RPD)criteria was met for 4 of 4 analytes in the MS and MSI]as <br /> » shown in Table 5. <br /> 5.0 Sample Handlino <br /> 5.1 Sample handling and holding time criteria were met for all samples. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> r, <br /> GTE_Concord.CA Page 3 of 7 <br /> `a <br /> 0008790.000 <br /> GTE L <br /> FN V I It ON 4 E N 7 AL - <br /> 4 LABORAtOR123. INC. <br />