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iir'AI <br /> E <br /> mz <br /> rF <br /> 72 <br /> Consultant Project Number. 5&,O =- <br /> Contra;'N.rmber: N48CWCt?2ca5 X <br /> k Facility NLlmber, 9 StC <br /> 6 work Craer Number: 0009120 <br /> PaPort Issue Date: September 11,1990 <br /> 7 = <br /> QA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> : EPA Method 8020/8015 <br /> ! - 1.0 Bjank <br /> k Five of5 target compounds were below detection limits in the reagent water blank and rea ent <br /> methanol blank as shown in i ables 2a and 2b. 9 <br /> E._ 2.0 1QaEQMdk2LQQLh Uk ZzmatQ <br /> r.q The control limits were met for 4 out of 4 QC check compounds as shown in Table 3. <br /> 3.0 rr t m n R v ri <br /> ( <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> as shown in Table 4. <br /> r _ <br /> €_4 4.0 Matrix Sik M n M trix ik D Iiate MDA n Prl i n <br /> Ir' 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 /> Ti shown in Table 5. <br /> 5.0 Sample H,.rtttlinn <br /> Lv a.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 <br /> C009120.00C Page 3 of 7 <br /> GTEL <br /> E n Y 12 O M V ENT A L <br /> . '' LAEORATORr'S. INC, <br />