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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> _ M c C a m p b e I I Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> I "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Patriot Environmental Services,Inc. WorkOrder: 2411396 <br /> Date Prepared: 11/11/2024 BatchID: 305568 <br /> Date Analyzed: 11/12/2024 Extraction Method: SW3050B <br /> Instrument: ICP-MS4 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/kg <br /> Project: 6515;Marathon Stockton Bin Sample ID: MB/LCS/LCSD-305568 <br /> QC Summary Report for Metals <br /> Analyte MB MDL RL SPK MB IS/SS MB IS/SS <br /> Result Val %REC Limits <br /> Antimony ND 0.10 0.50 - - <br /> Arsenic ND 0.084 0.50 - - <br /> Barium ND 0.73 5.0 - - <br /> Beryllium ND 0.086 0.50 - - <br /> Cadmium ND 0.080 0.50 - - <br /> Chromium ND 0.17 0.50 - - <br /> Cobalt ND 0.063 0.50 - - <br /> Copper ND 0.19 0.50 - - <br /> Lead ND 0.089 0.50 - - <br /> Mercury 0.044,J 0.039 0.050 - - <br /> Molybdenum ND 0.093 0.50 - - <br /> Nickel ND 0.28 0.50 - - <br /> Selenium ND 0.21 0.50 - - <br /> Silver ND 0.084 0.50 - - - <br /> Thallium ND 0.073 0.50 - - - <br /> Vanadium ND 0.097 0.50 - - - <br /> Zinc ND 1.8 5.0 - - - <br /> Surrogate Recovery <br /> Terbium 530 500 107 70-130 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 18 of 27 <br />