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Page 29 of 40 <br /> alsdance <br /> nvironmenta/ Quality Control - LCS/LCSD <br /> aboratories,Inc. <br /> Conestoga-Rovers&Associates Date Received: 07/17/13 <br /> 19449 Riverside Drive, Suite 230 Work Order: 13-07-1058 <br /> Sonoma, CA 95476-6955 Preparation: EPA 3510C <br /> Method: EPA 80156(M) <br /> Project: Cordes Ranch, Hansen Road, Tracy, CA Page 1 of 4 <br /> Quality Control Sample ID Matrix Instrument Date Prepared Date Analyzed LCS/LCSD Batch Number <br /> 099-15-314-16 Aqueous GC 46 07/18/13 07/20/13 00:09 130718812 <br /> Parameter aa& LCS LCS LCSD _CSD Rec.CL RPD RPD CL Qualifiers <br /> Added n °c %Rec. Conc. %Rec. <br /> TPH as Crude Oil 2000 2210 110 2219 111 75-117 0 0-13 <br /> e <br /> U <br /> E <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 />