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N <br /> Project Number: SFS-175-0264.7' <br /> Consultant Protect Number: 1600.2504)44 <br /> Contract Number, N46CWCO2aa-4-X <br /> Fatality Number: S-MS <br /> Work Order plumber. C3Q9524 <br /> Report Issue Data: September 27.1990 <br /> CA Conformance Summary <br /> Forgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 6020/8015 <br /> ,.0 Blanks <br /> Five of 5 target compounds wen below detection limits in the reagent water blank and reagent <br /> mel.hanol blank as shown In Tattles 2a and 2b_ <br /> 2.0 Independent QC Check Ocmple <br /> # The control limits wera met for 4 out of 4 CC check compounds as shown In Table 3. <br /> I 3.0 �ljrrogdte Comoound Recayne5 <br /> Percent recovery limits were met for the surrogate compound(naphthalene)for all samples <br /> as shown in Table 4. <br /> 4.0 Al tra ix SDik� M n Matrix SpikeD li t (MSL A n PrgDiLiLn <br /> 4.1 Percent recovary limits were met for 4 of 4 compounds in the MS and MSD as shown in Tabla' <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 Sarrtote Handli7 <br /> 5.1 Sample handling and holding time criteria were met for all samples. <br /> 5.2 There were no exceptional Conditions requiring d'slWon of samples_ <br /> GT;-:L Concord.CA Page 3 of 7 <br /> C00952s.DOC <br /> �7EL <br /> fHVIla 44 r w i A: <br /> ' eABOewiOe't S. -C - <br />