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Page 39 of 48 <br /> eurofins <br /> Quality Control - LCS <br /> Calsci <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 1311 <br /> Method: EPA 60106 <br /> Project: 085972-23A-5702 Page 6 of 9 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br /> 099-14-021-1;563 CCS Aqueous 17300 "06/01116,' 06103116:18.13 :150602LA3 <br /> Parameter Spike Added, Gonc. Recovered LCS%Rec. %Rec.CL Qualifiers <br /> Arsenic 5.000 5.264 105 80-120 <br /> RPD:Relative Percent Difference. CL Control Limits <br /> 7440 Lincoln Way,Garden Grove,CA 92841-1427 • TFL:(714)895-5494 - FAX:(714)894-7501 <br />