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• Project Number SFB-175-0204 72 <br /> Consultant Project 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 /> QA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline to Soli <br /> EPA Method 8020/8015 <br /> 10 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 /> 20 Indel2endent QQ Chggk Sample <br /> The control limits were met for 4 out of 4 QC check compounds as shown In Table 3 <br /> 30 Surrogate Compound Recovene2 <br /> Percent recovery limits were met for the surrogate compound (naphthalene) for all samples <br /> as shown to Table 4 <br /> 40 Matrix S12tke MS and Matrix S12ike DuplicateM D Accuracy-and Prgcision <br /> 41 Percent recovery limits were met for 4 of 4 compounds In the MS and MSD as shown In Table <br /> 5 <br /> 42 Relative percent difference (RPD) criteria was met for 4 of 4 analytes In the MS and MSD as <br /> shown In Table 5 <br /> 50 Sample Handling <br /> 51 Sample handling and holding time criteria were met for all samples <br /> 52 There were no exceptional conditions requiring dilution of samples <br /> GTEI.Concord CA Page 3 of 7 <br /> 0008624 CCC GTE L <br /> E 4 V P Q o v N E ti >- <br /> ® "A804ArORIES VC <br />