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ij <br /> 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: D001760 <br /> f Report Issue Date: February 8, 1990 <br /> QA Conformance Summary <br /> Purgeeble Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> .s <br /> 1.0 Blanks <br /> Five of 5 target compounds were below detection limits in the reagent water blank and reagent <br /> methanol blank as shown in Tables 2a and 2b. <br /> it <br /> "2.0 Independent OC Check Sample g <br /> The control limits were met for 4 out of 4 OC check compounds as shown in Table 3. <br /> X3.0 Surr ate Compound Recoveries <br /> Percent recovery limits were met for the surrogate compound (naphthalene) for all samples as <br /> shown in Table 4. <br /> .1 <br /> 4.0 Matrix Spike MS and Matrix S ike Duplicate MSD Accuracy and Precision <br /> 4.1 Percent recovery limits were met for 4 of 4 compounds in the MS and MSD as shown in Table 5. <br /> 4.2 Relative percent difference (RPD) criteria was met for 4 of 4 analytes in the MS and MSD as <br /> shown in Table 5. u <br />� a <br /> 5.0 SaMple Handling s <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 /> i <br /> 1 <br /> i <br /> i h <br /> � a <br /> a <br /> i� <br /> li <br /> .L <br /> ; GTEL Concord, CA Page 3 of 7 <br /> }D001760.00C <br /> GTE L <br /> EN V R N M E N T A L <br /> LABORATORfES, INC. <br /> tl � <br />