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r . <br /> i <br /> Project Number: SFa-175.0204,72 <br /> Consusiant Project Number: 16000.250444 <br /> cs.s Contract Number: N46CWCO244.9.x <br /> Facility Number: 9-6155 <br /> work Order Number: C010646 <br /> Repan Iseue Data: November 8.1990 <br /> i.. <br /> OA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> 1.0 3jank <br /> Five 01`5 target compounds were below delection Omits in the reagent water blank and reagent <br /> methanol blank as shown in Tables 2a and 2b. <br /> z _ <br /> 2.0 lnde enda!nt C Check Sample <br /> The control limits were met for 4 out of 4 QC check compounds as shown in Table 3. <br /> 3.0 31mr-Quate Comagitndl—RezcoLveries <br /> Percent recovery limits were met fpr the surrogate compound(naphthalene)for all samples <br /> �.: as ftwn in Te..ble 4. <br /> 4.0 !e QunlicateM Accuracy andPrecision <br /> 4.1 Percent recovery limits were met for 4 of 4 comp::-,Ads in the MS and MSD as shown in Table <br /> 5. <br /> 4.2 Relative perrent difference(RPD)criteria was met for 4 of 4 analytes in the MS and MSD as <br /> shown in Table 5. <br /> 5.0 Sample Handling <br /> 5.1 Sample handling and holding time cric-rja were met for all samples: <br /> f 5.2 There were no exceptional conditions requiring dilution of samples. <br /> f � <br /> I <br /> GTE:Concord.CA F39e 3 of 7 <br /> AN: v <br /> ,.: GTE . <br /> f VI1 O-V FH IAL - <br /> - _ - 1= -:AIONAIC41ES- INC <br />