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T Project Number: SFt3-17540204.72 <br /> V Consultant Project Number. 16000250-044 <br />_ Contract Number: N46CwC,0244.9-X <br /> Facility Number. 9-6155 <br /> 20 <br /> Z w tk Order geport Issue Date: October umber. CO O26,19W <br /> �Y <br /> F . <br /> OA Conformance Summary <br /> Purgeable Aromatics in Soil <br /> MODIFIED EPA METHOD 8020 <br /> t.. <br /> 1.0 Blanks <br /> E <br /> Fourof 4 target compounds were below detection[imits in the reagent water blank and reagent <br /> ,. methanol blank as shown in Tables 2a and 2b. <br /> �. 2.0 I n n nh-LQQSIIQk m 1 <br /> _= The control limits were met for 4 out of 4 QC check compounds as shown in Table 3. <br /> 3,0 rr t n Recoveries <br /> 3 Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> as shown in Table 4. <br /> VIA <br /> F"' : 4.0 Matrix S ike MS and Matrix S ike Du licate 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 <br /> 5. <br /> ! ? 4.2 Relative percent difference(RPD)criteria was met for 4 of 4 analytes in the MS and M5D as <br /> shown in Table 5. <br /> 5.0 Sample Handling <br /> ,., 5.5 Sample handling and holding time criteria were met for all samples. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> } <br /> GTEt.Concord,CA Page 3 of 7 <br /> 6. C010620.0CC <br /> �t 7E L . . <br /> 6.4V 190NM E Y TA - <br /> ® tdR09A10ofE5: <br /> I <br /> '►p <br />