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� f` q I { 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> 7 e f E Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> i *'/1212 Quality ar0UT2fS° httpl/mminccampbell.com/E-mail:mama nccampbell.coin <br /> Quality (Control Report <br /> t <br /> Client: Castle Analytical Laboratory Worlc®rder: 1903D34 <br /> Date Prepared: 4/6/19 BatchIlD: 175870 <br /> Date Analyzed: 4/8/19 Extraction Method: CA Title 22 <br /> Instrument: ICP-MSl,ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/L <br /> Project: 1903 10 1;Premier Finishing Sample ID: MB/LCS/LCSD-175870 <br /> QC Summary Report for Ketals (STilLC) <br /> Analyte MB MDL RL <br /> Result <br /> Barium ND 1.0 1.0 - - <br /> Chromium ND 0.10 0.10 - <br /> Copper ND 0.10 0.10 - <br /> Zinc ND 1.0 1.0 - - <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REG Limits Limit <br /> Barium 110 100 100 107 105 75-125 2.23 20 <br /> Chromium 10 10 10 100 101 75-125 1.05 20 <br /> Copper 10 10 10 102 101 75-125 0.316 20 <br /> Zinc 100 100 100 102 101 75-125 0.983 20 <br /> CA ELAP 1644 ^NELAP 4033ORELAP <br /> Page 4 of 8 <br />