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y 1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br /> ®� McCampbell Arialxtical , Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br /> "When Quality Counts " htlp://% w .mccmnpbell.com / E-mail: main©mccampbell.com <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1910349 <br /> Date Prepared : 10/8/19 BatchID: 186746 <br /> Date Analyzed: 10/9/19 - 10/10/19 Extraction Method : SW3050B <br /> Instrument: ICP-MS2, ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 1910022 / 180321 Sample ID: MB/LCS/LCSD- 186746 <br /> QC Summary Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REG %REC Limits Limit <br /> Antimony 56 53 50 111 106 75-125 4.60 20 <br /> Arsenic 56 52 50 112 104 75-125 7.25 20 <br /> Barium 570 540 500 114 108 75-125 5.04 20 <br /> Beryllium 57 55 50 114 110 75-125 3.92 20 <br /> Cadmium 55 53 50 111 106 75-125 4.58 20 <br /> Chromium 55 52 50 110 105 75-125 4.91 20 <br /> Cobalt 56 54 50 113 108 75-125 4. 10 20 <br /> Copper 56 53 50 111 106 75-125 5.04 20 <br /> Lead 54 52 50 109 104 75-125 4.69 20 <br /> Mercury IA 1 .3 1 .25 111 107 75-125 3.89 20 <br /> Molybdenum 55 52 50 109 104 75-125 5.60 20 <br /> Nickel 55 53 50 111 105 75-125 5.29 20 <br /> Selenium 56 53 50 112 105 75-125 6.65 20 <br /> Silver 54 51 50 108 103 75-125 5.02 20 <br /> Thallium 54 52 50 109 104 75.125 4.65 20 <br /> Vanadium 55 52 50 110 104 75-125 5.50 20 <br /> Zinc 560 530 500 112 106 75-125 5.93 20 <br /> Surrogate Recovery <br /> Terbium 570 540 500 114 108 70-130 5.06 20 <br /> CA ELAP 1644 • NELAP 4033ORELAP <br />