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Page 35 of 48 <br /> ti U I'Of I f1 S Quality Control - LCS <br /> CaCscience <br /> Conestoga-Rovers &Associates Date Received: 05/30/15 <br /> 6520 Corporate Drive Work Order: 15-05-2299 <br /> Indianapolis, IN 46278-2915 Preparation: EPA 3550E <br /> Method: EPA 8015B (M) <br /> Project: 085972-23A-5702 Page 2 of 9 <br /> Quality Control Sample ID Type Matrix Pnstrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-15.420-1357 LCS Solid GC 46 06101115 06102/15 64:13 150601814 <br /> Parameter Spike Added Conc. Recovered LCS%Rec. %Rec.CL Qualifiers <br /> TPH as Motor Oil 400.0 324.0 81 75-123 <br /> 3 <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 />