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I <br /> 1534 Willow Pecs Road, Pittsburg, CA 94565-1701 <br /> ®� McCampbell Analytical . Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/ E-mail: mainQmccempbell.com <br /> Quality Control Report <br /> Client: Castle Analytical Laboratory WorkOrder: 1810980 <br /> Date Prepared: 10/20/18 BatchlD: 166993 <br /> Date Analyzed: 10/22/18 Extraction Method: CA Title 22 <br /> Instrument: ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/L <br /> Project: 1810066 / 180321 Sample ID: MB/LCS/LCSD-166993 <br /> QC Suminary Report for Metals (STLC) <br /> Analyte MB RL <br /> Result <br /> Lead ND 0. 10 - - - <br /> Analyte LCS LCSD SPK LCs LCSD LCSILCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Lead 9.9 9.8 10 99 98 75-125 0.587 20 <br /> ,41 7 <br /> NOV 0 2018 <br /> ENVf ' ONMENTAL HEALP <br /> DERARTMENT <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 9 of 18 <br />