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Page 43 of 57 <br /> e U rOf 1115 I Quality Control - LCS <br /> Calscience <br /> Conestoga-Rovers&Associates Date Received: 06/14/14 <br /> 19449 Riverside Drive, Suite 230 Work Order: 14-06-1139 <br /> Sonoma, CA 95476-6955 Preparation: EPA 35508 <br /> Method: EPA 80158 (M) <br /> Project: Cordes Ranch, Hansen Road, Tracy, CA Page 1 of 8 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-15.430-48 LCS Solid GC 47 06116/14 0611811403:38 140616612 <br /> Parameter Spike Added Conc.Recovered LCS%Rae. % ec.CL Qualifiers <br /> TPH as Crude Oil 400.0 370.4 93 75-123 <br /> U <br /> a <br /> E <br /> c <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 />