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Page 10 of 18 <br /> aiscience <br /> nvironmentai Quality Control - Spike/Spike Duplicate <br /> aboratories, inc. <br /> Kiff Analytical Date Received: 08/01/13 <br /> 2795 2nd Street, Suite 300 Work Order: 13-08-0014 <br /> Davis, CA 95618-6505 Preparation: N/A <br /> Method: EPA 200.8 <br /> Project: Parcel 2A Page 1 of 1 <br /> Quality Control Sample ID Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number <br /> 13-08-0002-1 Aqueous ICP/MS 03 08/01/13 08/01/13 16:09 130801S02 <br /> Parameter Sample Spike MS MS MSD MSD %Rec.CL RPD RPD CL Qualifiers <br /> Conc. Added Conc. %Rec. Conc. %Rec. <br /> Cadmium ND 0.1000 0.09555 96 0.1028 103 80-120 7 0-20 <br /> Chromium ND 0.1000 0.1057 106 0.1139 114 80-120 7 0-20 <br /> Copper ND 0.1000 0.1105 111 0.1153 115 80-120 4 0-20 <br /> Lead ND 0.1000 0.1047 105 0.1113 111 80-120 6 0-20 <br /> Nickel 0.005169 0.1000 0.1092 104 0.1143 109 80-120 5 0-20 <br /> Zinc 0.08668 0.1000 0.2116 125 0.2120 125 80-120 0 0-20 3 <br /> t <br /> N <br /> N <br /> C <br /> O <br /> U <br /> 0 <br /> E <br /> m <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 />