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McCampbell Analytical, Inc. <br />"When Quality Counts" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mccampbell.com <br /> <br />Quality Control Report <br />Client: Fremouw Environmental Services, Inc. <br />Date Prepared: 06/10/2021 <br />Date Analyzed: 06/10/2021 - 06/11/2021 <br />Instrument: ICP-MS4, ICP-MS5 <br />Matrix: Soil <br />Project: Tracy <br />WorkOrder: 2106674 <br />BatchID: 223171 <br />Extraction Method: SW3050B <br />Analytical Method: SW6020 <br />Unit: mg/kg <br />Sample ID: MB/LCS/LCSD-223171 <br />QC Summary Report for Metals <br />Analyte MB <br />Result <br />MDL RL SPK <br />Val <br />MB SS <br />%REC <br />MB SS <br />Limits <br />Antimony ND 0.160 0.500 <br />Arsenic ND 0.150 0.500 <br />Barium ND 0.570 5.00 <br />Beryllium ND 0.0730 0.500 <br />Cadmium ND 0.0940 0.500 <br />Chromium ND 0.130 0.500 <br />Cobalt ND 0.0520 0.500 <br />Copper ND 0.180 0.500 <br />Lead ND 0.140 0.500 <br />Mercury ND 0.0320 0.0500 <br />Molybdenum ND 0.160 0.500 <br />Nickel ND 0.170 0.500 <br />Selenium ND 0.150 0.500 <br />Silver ND 0.120 0.500 <br />Thallium ND 0.0670 0.500 <br />Vanadium ND 0.130 0.500 <br />Zinc ND 3.00 5.00 <br />Surrogate Recovery <br />Terbium 485 500 97 70-130 <br />(Cont.) <br />CA ELAP 1644 • NELAP 40330RELAP <br />Page 7 of 14