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Page 27 of 48 <br /> . " e u YOfi Ins Quality Control - Spike/Spike Duplicate <br /> Ca(science <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 3550B <br /> Method: EPA 8015B (M) <br /> Project: 085972-23A-5702 Page 2 of 8 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number <br /> COMP(RWR-5702) Sample Solid GC 46 06101115 0610211511.47 150601814 <br /> cOMP(RWR-5702) Matrix Spike Solid GC 46 06101115 0610211505;04 150601S14 <br /> cOMP(RWR-5702) Matrix Spike Duplicate Solid GC 46 06101115 0610211505:22 150601S14 <br /> Parameter Sample Spike MS IVIS MSD MSD %Rec.CL RPD RPD CL Qualifiers <br /> Conc. Added Conc. %Rec. Conc. To—Rec. <br /> TPH as Motor Oil 3490 4000 4341 213 4915 356 64-130 12 0-15 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 />