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Page 20 of 32 <br /> alscience <br /> &nvironmental Quality Control - LCS <br /> L aboratories, Inc. <br /> ERM Date Received: 04/16/14 <br /> 1277 Treat Blvd Suite 500 Work Order: 14-04-1157 <br /> Walnut Creek, CA 94597-7989 Preparation: EPA 3550B <br /> Method: EPA 8015B (M) <br /> Project: PG&E MDI/0242722 Page 2 of 5 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-15-422-1074 LCS Solid GC 47 04/16/14 0411611416:27 140416B01A <br /> Parameter Soike Added Conc.Recovered LCS%Rec. %Rec.CL Qualifiers <br /> TPH as Diesel 400.0 348.7 87 75-123 <br /> 0 <br /> U <br /> 0 <br /> c <br /> m <br /> K <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 />