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3 p—/1 i` / �= g 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> �/ <br /> r' Ate` ( q Q c r 1 S Yi 1� I I C I 1 C_ Toll Free Tclephoae:(577)252-9262/Fay (925)252-9269 <br /> ✓�.� "Whenualz£y�ozjnfsP1 http:UY,,YA.nccanpbell.com/E-mal.mam@mcc2npbell.com <br /> Quodaty CContrr©l Repp®rrt <br /> client. Castle Analytical laboratory WoirkOrdec: 1902597 <br /> Aute Prepared: 2/12/19 batch➢ADD 172925 <br /> Date Analyzed: 2/1.3/19 Exttraeflon Method: SW3050B <br /> Inarrarnent< ICP-MSI Amalyflicol Method, SW6020 <br /> Matrix: Sbil Unit:- mg/I(g <br /> Project: 1902044;Premier Finishing Sample RD: MB/LCS/LCSD-172925 <br /> QC Summary Report for l iletolls <br /> �inafl�te LCS LCSD Sf'h LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REG %REC Limits Limit <br /> Antimony 52 55 50 103 110 75-125. 6.26 20 <br /> Arsenic 50 54 50 100 109 75-125 8.17 20 <br /> Barium 520 560 500 105 111 75-125 6.30 20 , <br /> Beryllium 51 54 50 102 108 75-125 5.83 20 <br /> Cadmium 49 53 50 97 105 75.125 8.03 20 <br /> Chromium 50 53 50 101 106 75-125 5.43 20 <br /> Cobalt 52 55 50 104 111 75-125 6.40 20 <br /> Copper 50 54 50 100 107. 75-125 6.79 20 <br /> Lead 51 55 50 103 110 75-125 7.25 20 <br /> Mercury 1.2 1.4 1.25 99 108 75-125 6.56 20 <br /> Molybdenum 51 55, 50 101 109 75-125 7.77 20 <br /> Nickel51 54 50 101 108 75-125 6.97 20 <br /> _.._.._...-------... ---..__.... . -- -._.:.. .............__ . <br /> Selenium 50 54 50 100 109 75-125 8.17 20 <br /> Silver 49 53 50 98 107 75-125 8.31 20• <br /> Thallium 51 55 50 102 109 75-125 6.97 20 <br /> Vanadium 50 52 50 99 105 75-125 5.57 20 <br /> Zinc 510 550 500 102 109 75-125 6.71 20 <br /> Surrogate Recovery <br /> Terbium 510 550 500 102 110 70-130 7:17 20 <br /> s ' <br /> CA FLAP 1644 o NELAP 403301tELAP <br /> Page 7 of 11 <br />