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1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br /> ®� Mccampbell Analytical . Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br /> "When Quality Counts " hap://www.incompbefl.com / E-mail: main@mccmnpbeU.com <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1805451 <br /> Date Prepared: 5/7/18 BatchID : 157840 <br /> Date Analyzed: 5/8/18 - 5/9/18 Extraction Method: SW3050B <br /> Instrument: ICP-MS15ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 1805035/180321 Sample ID: MB/LCS-157840 <br /> 1805379-005AMS/MSD <br /> QC Summary Report for Metals <br /> Analyte MB LCs RL SPK MB SS LCS LCS <br /> Result Result Val %REC %REC Limits <br /> Antimony ND 50.6 0.50 50 - 101 75-125 <br /> Arsenic ND 46.8 0.50 50 - 94 75-125 <br /> Barium ND 456 5.0 500 - 91 75-125 <br /> Beryllium ND 45.0 0.50 50 - 90 75-125 <br /> Cadmium ND 45.5 0.25 50 - 91 75-125 <br /> Chromium ND 43.9 0.50 50 - 88 75-125 <br /> Cobalt ND 45.7 0.50 50 - 91 75-125 <br /> Copper ND 44.0 0.50 50 - 88 75-125 <br /> Lead ND 45.9 0.50 50 - 92 75-125 <br /> Mercury ND 1 . 18 0.050 1 .25 - 94 75-125 <br /> Molybdenum ND 43.5 0.50 50 - 87 75-125 <br /> Nickel ND 44.9 0.50 50 - 90 75-125 <br /> Selenium ND 46.8 0.50 50 - 94 75-125 <br /> Silver ND 43.5 0.50 50 - 87 75-125 <br /> Thallium ND 46.2 0.50 50 - 92 75-125 <br /> Vanadium ND 44.4 0.50 50 - 89 75-125 <br /> Zinc ND 455 5.0 500 - 91 75-125 <br /> Surrogate Recovery <br /> Terbium 476 455 500 95 91 70-130 <br /> ate+. L--^� D <br /> JUN 11 � 2Q1P1 <br /> ENVIRONMENTAL <br /> DALTFi <br /> DEPARTMENT <br /> (Cont.) <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 11 of 17 <br />