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NOV 9 M <br /> Proect Number SFB-17540204 72 <br /> Consultant Protect Number 30-189 <br /> Contract Number N46 WCO244-9-X <br /> Fadtrty Number 96465 Stockton <br /> • Work Order Number 0010839 <br /> Report Issue Date November 7. 19W <br /> QA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Water <br /> FPA Method 8020/8015 <br /> 10 Blank <br /> Five of 5 target compounds were below detection limits In the reagent blank as shown In Table <br /> 2 <br /> 20 Independent OC Check Samp! <br /> The control limits were met for 4 out of 4 QC check compounds as shown in Table 3 <br /> 30 Offlrles <br /> Percent recovery limits were met for the surrogate compound (naphthalene) for all samples <br /> as shown In Table 4 <br /> 40 Matrix Spike WS)Accumcy <br /> Percent recovery limits were met for 4 of 4 compounds in the MS as shown In Table 5 <br /> So Reagent tCC i Reagent W t r SpikeD D t Pr i l n <br /> Relative percent difference (RPD) crdena was met for 4 of 4 analytes In the WS and WSD as <br /> shown in Table 6 <br /> 60 <br /> 61 Sample handling and holding time criteria were met for all samples <br /> 62 There were no exceptkmal conditions requiring dilution of samples <br /> GTE ,Concord,CA Pape 4 of 9 <br /> C0108n°OC NGTEL <br /> 1_ M'N IlASORA10RI# MC- <br /> AL <br />