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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" I hap://www.mccampbell.com / E-mail: main@mccampbell.com <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1910349 <br /> Date Prepared: 10/8/19 BatchlD: 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/LCSD486746 <br /> QC Summary Report for Metals <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Antimony ND 0.094 0.50 - - - <br /> Arsenic ND 0.14 0.50 - - - <br /> Barium ND 0.97 5.0 - - - <br /> Beryllium ND 0.072 0.50 - - - <br /> Cadmium ND 0.058 0.25 - - - <br /> Chromium ND 0.092 0.50 - - - <br /> Cobalt ND 0.056 0.50 - - - <br /> Copper ND 0.069 0.50 - - - <br /> Lead ND 0.094 0.50 - <br /> Mercury ND 0.0050 0.050 <br /> Molybdenum ND 0.23 0.50 - - - <br /> Nickel ND 0.072 0.50 - - _ - <br /> Selenium ND 0.13 0.50 - - - <br /> Silver ND 0.055 0.50 <br /> Thallium ND 0. 10 0.50 - - <br /> Vanadium ND 0.064 0.50 - - <br /> Zinc ND 1 .4 5.0 - - - <br /> Surrogate Recovery <br /> Terbium 540 500 109 70-130 <br /> (Cont) <br /> CA ELAP 1644 • NELAP 4033ORELAP <br />