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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 /> " t " When Quality Counts " http://Nvww.mccampbell.com / E-mail : main@mccainpbell.com <br /> Quality Control Report <br /> Client : GHD Services , Inc . WorkOrder : 2001909 <br /> Date Prepared : 01 /22/2020 BatchID : 192729 <br /> Date Analyzed : 01 /23 /2020 Extraction Method : SW3050B <br /> Instrument : ICP-MS2 , ICP-MS3 Analytical Method : SW6020 <br /> Matrix : Soil Unit : mg/kg <br /> Project : 11208412 ; Ripon Replacement Sample ID : MB/LCS/LCSD492729 <br /> 2001909-005AMS/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 540 500 109 70- 130 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val % REC % REC Limits Limit <br /> Lead 48 47 50 95 95 75- 125 0 20 <br /> Surrogate Recovery <br /> Terbium 540 530 500 108 106 70-130 1 . 91 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 53 57 50 1 .796 103 110 75- 125 6. 78 20 <br /> Surrogate Recovery <br /> Terbium 1 550 580 500 111 117 70-130 5 .23 20 <br /> Analyte DLT DLTRef % D % D <br /> Result Val Limit <br /> Lead ND <2 . 5 1 . 796 <br /> %D Control Limit applied to analytes with concentrations greater than 25 times the reporting limits. <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 28 of 36 <br />