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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c Campbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www•mccampbeU.com/E-mail:mafii@mccampbell.com <br /> Quality Control Report <br /> Client: Ponder Environmental Services WorkOrder: 2009E33 <br /> Date Prepared: 09/29/2020 BatchID: 206419 <br /> Date Analyzed: 09/30/2020 Extraction Method: E200.8 <br /> Instrument: ICP-MS4 Analytical Method: E200.8 <br /> Matrix: Water Unit: µg/L <br /> Project: 20-16350;Flying J Ripon Sample ID: MB/LCS/LCSD-206419 <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 1.00 2.50 <br /> Arsenic ND 0.790 2.50 <br /> Barium ND 1.90 25.0 <br /> Beryllium ND 0.350 2.50 <br /> Cadmium ND 0.360 2.50 <br /> Chromium ND 1.00 2.50 <br /> Cobalt ND 0.220 2.50 <br /> Copper ND 2.30 2.50 <br /> Lead ND 1.00 2.50 <br /> Mercury ND 0.100 0.250 <br /> Molybdenum ND 0.750 2.50 <br /> Nickel ND 0.840 2.50 - - <br /> Selenium ND 1.10 2.50 <br /> Silver ND 0.260 2.50 <br /> Thallium ND 0.210 2.50 <br /> Vanadium ND 1.10 2.50 - - <br /> Zinc ND 19.0 25.0 - - - <br /> Surrogate Recovery <br /> Terbium 2640 2500 105 70-130 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 16 of 23 <br />