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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: ICES WorkOrder: 241 OL96 <br /> Date Prepared: 10/30/2024 BatchID: 304938 <br /> Date Analyzed: 10/31/2024 Extraction Method: SW3050B <br /> Instrument: ICP-MS5 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/kg <br /> Project: ICES 9315;Kautz Property Sample ID: MB/LCS/LCSD-304938 <br /> QC Summary Report for Metals <br /> Analyte MB MDL RL SPK MB IS/SS MB IS/SS <br /> Result Val %REC Limits <br /> Arsenic ND 0.084 0.50 <br /> Lead ND 0.089 0.50 <br /> Mercury ND 0.039 0.050 - - - <br /> Surrogate Recovery <br /> Terbium 540 500 108 70-130 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Arsenic 55 57 50 111 113 75-125 2.08 20 <br /> Lead 51 53 50 102 106 75-125 3.71 20 <br /> Mercury 1.3 1.3 1.25 102 107 75-125 4.74 20 <br /> Surrogate Recovery <br /> Terbium 550 540 500 110 108 70-130 1.35 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 13 of 17 <br />