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L{i <br /> ` Pre{eat Nul,�ber, 5F8-175-0204.72 <br /> �- Consultant IN <br /> Numaer. 16000-250.044 <br /> r Contract Number: N46CWCO244.9•X <br /> Facility Number: MI 15 <br /> Work Order Number; 0010348 <br /> Report Issue Date: October 18,1950 <br /> i ` <br /> j 3 QA Conformance Summary <br /> ' Purgeable Aromatics In Soil <br /> MODIFIED EPA METHOD 8020 <br /> 1.0 Blanks <br /> I Four of 4 target compounds were below detection limits in the reagent water blank and reagent <br /> } <br /> G methanol blank as shown in Tables 2a and 2b. <br /> 2.0 Indeoendent QC check Sample <br /> i The control limits were met for 4 out of 4 QC check compounds as shown In Table 3. <br /> 1,,4 3.0 SurrogaLe-Q.Mpound Recoveries <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for ail samples <br /> as shown in Table 4. <br /> 4.0 Matrix Spike LMS)and Matrix Spike Duplicate(MSD)Accuracy and Precisior, <br /> 4.1 Percent recovery limits were met W4 of 4 compounds in the MS and MSD as shown in Table <br /> 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. <br /> i <br /> 5.0 Sample Handling <br /> L 5.1 Sample handling and holding time criteria were met for all samples. <br /> '. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> Lin <br /> i , <br /> ✓4 <br /> f <br /> hJ GTEL Concord,CA Page 2 of 6 <br /> { <br /> COt03aa.cOC <br /> t TEL <br /> - <br /> ENVIOOII LIE47AL _ <br /> LAs07Aropits: SN[ - - - <br />