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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a 111 bell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "Wh81!Quality C011111.0lit[p:liw%"v.mccampbell.coiw!Email:main a nccampbell.coial <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1910E17 <br /> Date Prepared: 1111119 BatchID: 188170 <br /> Date Analyzed: 1114119 Exfractian Method: SW3050B <br /> Instrument: ICP-MS4 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/I<g <br /> Project: 191.0108/Premier Finishing/Premier Finishing Sample IU: MB/LCS/LCSD-1&8170 <br /> QC Sumina>ty Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 49 48 50 99 96 75-125 2.12 20 <br /> Arsenic 50 50 50 99 100 75-125 0.508 20 <br /> Barium - 510 500 500 102 101 75-125 0.876 20 <br /> Beryllium 50 49 50 101 99 75-125 2.05 20 <br /> Cadmium 50 49 60 100 99 75-125 1.38 20 <br /> chromium 50 50 50 101 100 75-125 0.630 20 <br /> ColTail _ 52 51 50 104 101 75-125 2.34 20 <br /> Copper - 51 51 50 102 103 75-125 0.172 20 <br /> Lead 49 48 50 98 96 75-125 2.13 20 <br /> Mercury 1,2 1.2 1.25 99 96 75-125 2.30 20 <br /> ,Molybdenum 51 50 50 102 100 75-125 2,27 20 <br /> Nickel 51 51 50 102 101 75-125 0.274 20 <br /> Selenium 50 50 50 99 101 75.125 1.45 20 <br /> Silver 53 52 50 106 105 75-125 1.41 20 <br /> Thallium 51 50 50 102 100 75-125 1.48 20 <br /> Vanadium 51 50 50 101 101 75-12_5 0 20 <br /> zinc 510 510 500 102 102 75-125 0 20 <br /> Surrogate Recovery <br /> Terbium 530 520 500 107 104 70-130 2.54 20 <br /> (Cont.} <br /> CA FLAP 1644•NELAP 4033OI2ELA.P <br /> n,.,-,, c —.F t 1 <br />