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Project Number. SFS-175.0204,72 <br /> Consultant Project i Jlumbtr. 16000.250.044 <br /> Contract Number: N46CWCO2449.x <br /> Facility Number. 94155 <br /> Work Order Number. 0010838 <br /> Report Issue Data: November 5,1990 <br /> OA Conformance Summary <br /> Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8015 <br /> 1.0 Blanks <br /> One of 1 target compound were below detection limits in the reagent water blank and reagent <br /> methanol blank as shown in Tables 2a and 2b. <br /> 2.0 Indenendent QQ Check mol <br /> The control limits were met for 1 out of 1 CC check compound as shown in Table 3. <br /> 3.0 Surrogate Coml2pund Recoveri <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> as shown in Table 4. <br /> 5, 4.0 Matrix Saike(MSD and Matrix Spike Duplicate(MSQ)Accurac�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 /> 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 Handling <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 /> GTE:Concord,CA Page 3 of 7 <br /> : GTE <br /> F M V 1 2 0 MN F V:a1 _ . <br /> 1� ;re Oa�r091I5. INC. - <br />