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�yY i <br /> { Project Number: SF9-175.0204.72 <br /> Consultant Protect Number: 16000-250-044 <br /> Contract Number. N48CWCO244.9-X <br /> ' Facility Nu mbar: 9-8155 <br /> Work order Number: C009164 <br /> Report issue hate: September 13.1590 <br /> i OA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Fall <br /> 14 EPA Method 8020/9015 <br /> i I:Y 1.0 planks <br /> Five of 5 target compoundswere below detection 11mits in the reagent water blank and reagent <br /> rt methanol blank as shown in Tables 2a and 2b. <br /> tP 2.0 independent 1 <br /> The control limits were met for 4 out of 4 QC check compounds as shown In Table 3. <br /> r; <br /> ' 3.0 urrogate Com n v ri <br /> F 1 Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> as shown 1n Table 4. <br /> 4.0 i atrii I "!$j !I F:Sl ar1�1 Matrix S ik2 DuQlitA(MSDI Acrttracv and Preci iorn <br /> t 4.1 Percent recovery limits were met for 4 of 4 compounds In the MS and MSD as shown in Table <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 /> 5.0 Sample Handing <br /> 5.1 Sample handling and holding time criteria were met for all samples. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> GTEL.Concord,CA Page 3 of T <br /> C009164.000 <br /> GTE L <br /> .. <br /> - 4NYIPONMI NIAL <br /> LA 60IFA 10 1?1 <br /> 1 <br /> 1t1�'7 <br />