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Page 37 of 48 <br /> tir} e u rof ins Quality Control - LCS/LCSD <br /> alscience <br /> EarthCon Consultants, Inc. Date Received: 10/02/15 <br /> 2124 Main Street, Suite 200 Work Order: 15-10-0164 <br /> Huntington Beach, CA 92648-2030 Preparation: N/A <br /> Method: SM 2540 C <br /> Project: Cove Contractors/04.20090407.00 Page 2 of 8 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS/LCSD Batch Number <br /> N01E1EM`:' " : I i ' : ' ' ' : <br /> Parameter Spike Added LCS Conc. LCS LCSD Conc. LCSD %Rec.CL RPD RPD C Qualifiers <br /> %Rec. %Rec. <br /> Solids,Total Dissolved 100.0 105.0 105 100.0 100 80-120 5 0-20 <br /> 0 <br /> 0 <br /> 3 <br /> d <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 />