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- _ F <br /> Project Number: Sr'3.175-0204.72 <br /> Consultant Project Number: 16000.242-044 <br /> r k, l onuact Numb r: N t6CWCO24t 9 X <br /> Fsziiity Number. 9-5155 <br /> Work Crder Humber. 0009120 <br /> f report Issue Date: September 1 t,1990 <br /> i' <br /> QA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> x- 1.0 Blanks <br /> P: <br /> F 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 /> E.a 2.0 Ind ependenhpck Sample <br /> The conl:of limits were met for 4 out of 4 QC check compounds as shown in Table 3. <br /> 3.0 Surrogate Compound R v rf <br /> t`7 <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> is• -" <br /> as shown in Table 4. <br /> i . <br /> 14.0 Matrix jk MS)and Matrix 86ke Qupllc E M ❑ Accu rid Preclion <br /> .� 4.1 Percent recovery limits were met far 4 of 4 compounds in the MS and MSD as shown in Table <br /> 5. <br /> 4.2 Relative percent difference(RP0)criteria was met for 4 of 4 analytes in the MS and MSD as <br /> shown in"fable 5. <br /> Lis <br /> 5.0 mole Handling <br /> 5.1 Sample handling and holding time criteria were met for ail samples. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> rm - GTEI Concord,CA _. - Page 3 of 7 _ _ - <br /> `.� c„xs,zo.occ <br /> GTE L <br /> - - - EN'11401J til EFI TAL <br /> �i LA60PATOVES. INC. <br />