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1534 Willow Pass Road,Piasba ,CA 94565-1701 <br /> McCampbell Analytical. Inc. Toll Free Telephoae:(877)252-92621 Fax:(925)252-9269 <br /> "When Quality Coun/S° I <br /> bttpd/www.=campbell.cmn I Email:mora r(A is wupbell.com <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1910350 <br /> Date Prepared: 10/8/19 BatehlD: 186698 <br /> Date Analyzed: 10/8/19 Extraction Method: E200.8 <br /> Instrument: ICP-MS3 Analytical Method: E200.8 <br /> Matrix: Water Unit: µg/L <br /> Project: 1910024 Premier Finishing Sample ID: MB/LCS/LCSD-186698 <br /> QC Summary Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPD RPD <br /> Result Result Val %REG %REC Limits Limit <br /> Antimony 54 54 50 109 107 85-115 1.24 20 <br /> Arsenic 54 54 50 107 108 85-115 1.10 20 <br /> Barium 550 550 500 110 110 85-115 0 20 <br /> Beryllium 55 55 50 111 111 85-115 0 20 <br /> Cadmium 54 54 50 108 108 85-115 0 20 <br /> Chromium 54 54 50 107 108 85-115 0.742 20 <br /> Cobalt 55 55 50 110 109 85-115 1.09 20 <br /> Copper 54 54 50 108 109 85-115 0.258 20 <br /> Lead 53 53 50 107 106 85-115 0.695 20 <br /> Mercury 1.3 9.3 1.25 108 106 85-115 1.35 20 <br /> Molybdenum 52 52 50 105 104 85-115 0.0766. 20 <br /> Nickel 54 54 50 107 108 85-115 0.558 20 <br /> Selenium 56 54 50 111 108 85-115 2.41 20 <br /> Silver 53 52 50 105 105 85-115 0 20 <br /> Thallium 53 53 50 106 105 85-115 0.341 20 <br /> Vanadium 54 54 50 107 108 85-115 0.298 20 <br /> Zinc 550 550 500 109 111 85-115 1.25 20 <br /> Surrogate Recovery <br /> Terbium 540 530 500 108 107 70-130 0.859 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 18 of 26 <br />