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C a m p e Analytical, 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> n C• Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" I <br /> http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: GHD WorkOrder: 1905227 <br /> Date Prepared: 5/3/19 BatchID: 177317 <br /> Date Analyzed: 5/6/19 Extraction Method: SW3050B <br /> Instrument: ICP-MS2 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 11191863;212470-Tracy Chevron Sample ID: MB/LCS/LCSD-177317 <br /> 1905227-001 AMS/MSD <br /> QC Summary Report for Metals <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Lead ND 0.094 0.50 - - - <br /> Surrogate Recovery <br /> Terbium 530 500 106 70-130 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Lead 49 50 50 98 100 75-125 1.46 20 <br /> Surrogate Recovery <br /> Terbium 500 530 500 100 106 70-130 6.02 20 <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> Lead 1 57 59 50 8.772 97 101 75-125 3.66 20 <br /> Surrogate Recovery <br /> Terbium 1 530 540 500 105 107 70-130 2.07 20 <br /> Analyte DLT DLTRef %D %D <br /> Result Val Limit <br /> Lead 8.6 8.772 1.96 <br /> %D Control Limit applied to analytes with concentrations greater than 25 times the reporting limits. <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 78 of 88 <br />