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Page 11 of 19 <br /> ti•} eurofins Quality Control - LCS/LCSD <br /> Calscience <br /> Conestoga-Rovers&Associates Date Received: 06/28/14 <br /> 19449 Riverside Drive, Suite 230 Work Order: 14-06-2155 <br /> Sonoma, CA 95476-6955 Preparation: EPA 3510C <br /> Method: EPA 8015B (M) <br /> Project: Cordes Ranch, Hansen Road, Tracy, CA Page 1 of 3 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS/LCSD Batch Number <br /> 099-15-314-33 LCS Aqueous GC 47 07/01/14 07/02/1400:38 1407011311 <br /> 099.15-314-33 LCSD Aqueous GC 47 07/01/14 07102/1400:56 140701 B11 <br /> Parameter Soike Added LCS Conc. LRS LCSD Conc. LCSD RPD RPD CL Qualifiers <br /> %Rec. %Rec. <br /> TPH as Crude Oil 2000 2273 114 2302 115 75-117 1 0-13 <br /> if. <br /> RPD:Relative Percent Difference. CL:Control Limits <br /> 7440 Lincoln Way,Garden Grove,CA 92841-1427 TEL:(714)895-5494 FAX:(714)894-7501 <br />