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l 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytic al, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> ,%at "When Quality Countsrr http://www.mccanTbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Fremouw Environmental Services,Inc. WorkOrder: 2001331 <br /> Date Prepared: 1/13/20 BatchID: 192168 <br /> Date Analyzed: 1/14/20 Extraction Method: E200.8 <br /> Instrument: ICP-MS2 Analytical Method: E200.8 <br /> Matrix: Water Unit: gg/L <br /> Project: 87844; SSI Lathrop Sample ID: MB/LCS/LCSD-192168 <br /> 2001331-OOICMS/MSD <br /> QC Report for Metals (>1% Sediment Content) <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Antimony ND 1.0 2.5 <br /> Arsenic ND 0.79 2.5 <br /> Barium ND 1.9 25 - <br /> Beryllium ND 0.35 2.5 - <br /> Cadmium ND 0.36 2.5 - <br /> Chromium ND 1.0 2.5 - - <br /> Cobalt ND 0.22 2.5 - - <br /> Copper ND 2.3 2.5 - - <br /> Lead ND 1.0 2.5 - - <br /> Mercury ND 0.10 0.25 <br /> Molybdenum ND 0.75 2.5 <br /> Nickel ND 0.84 2.5 - - <br /> Selenium ND 1.1 2.5 - - <br /> Silver ND 0.26 2.5 - - <br /> Thallium ND 0.21 2.5 - - <br /> Vanadium ND 1.1 2.5 - - <br /> Zinc ND 19 25 - - - <br /> Surrogate Recovery <br /> Terbium 2800 2500 110 70-130 <br /> (Cont.) <br /> Page 7 of 15 <br />