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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@mccmVbell.com <br /> Quality Control Report <br /> Client: GHD Services,Inc. WorkOrder: 1910581 <br /> Date Prepared: 10/11/19 BatchID: 186994 <br /> Date Analyzed: 10/15/19 Extraction Method: SW3050B <br /> Instrument: ICP-MS2 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 11202858-07.11;Chevron 372736-UDC Removal Sample ID: MB/LCS/LCSD-186994 <br /> 1910581-007AMS/1\4SD <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 51 49 50 102 99 75-125 2.61 20 <br /> Surrogate Recovery <br /> Terbium 540 530 500 109 106 70-130 2.81 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 54 57 50 6.357 96 102 75-125 5.29 20 <br /> Surrogate Recovery <br /> Terbium 1 480 530 500 97 107 70-130 9.76 20 <br /> Analyte DLT DLTRef %D %D <br /> Result Val Limit <br /> Lead 6.4 6.357 0.676 <br /> %D Control Limit applied to analytes with concentrations greater than 25 times the reporting limits. <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 64 of 72 <br />