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Page 15 of 32 <br /> ;//science <br /> nvironmentai Quality Control - Spike/Spike Duplicate <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 MS/MSD Batch Number <br /> 14-04-1138-1 Sample Solid GC 47 04/16/14 04/16/1418:32 140416501 <br /> 14-04-1138-1 Matrix Spike Solid GC 47 04/16/14 04/16/14 17:03 140416501 <br /> 14-04-1138-1 Matrix Spike Duplicate Solid GC 47 04/16/14 04/16/14 17:40 140416501 <br /> Parameter Sample Spike MS MS MSD MSD %Rec.CL RPD RPD CL Qualifiers <br /> Cone. Added Cone. %Rec. Cone. %Rec. <br /> TPH as Diesel ND 400.0 355.0 89 360.2 90 64-130 1 0-15 <br /> N <br /> C <br /> d <br /> C <br /> O <br /> U <br /> 0 <br /> E <br /> CCm <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 />