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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 /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Safety Kleen WorkOrder: 2106F08 <br /> Date Prepared: 06/27/2021 BatchID: 224407 <br /> Date Analyzed: 06/28/2021 Extraction Method: SW1311/SW3010 <br /> Instrument: ICP-MS4 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/L <br /> Project: OR14384;O'Reilly42567 BRAKE LATHE Sample ID: MB/LCS/LCSD-224407 <br /> SHAVINGS <br /> QC Summary Report for Metals (TCLP) <br /> Analyte MB MDL RL <br /> Result <br /> Arsenic ND 0.100 0.100 - - <br /> Barium ND 1.00 1.00 - - <br /> Cadmium ND 0.0500 0.0500 - - <br /> Chromium ND 0.100 0.100 - - <br /> Lead ND 0.100 0.100 - - <br /> Mercury ND 0.0100 0.0100 - - <br /> Selenium ND 0.100 0.100 - - <br /> Silver ND 0.100 0.100 - - <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Arsenic 9.90 9.81 10 99 98 75-125 0.915 20 <br /> Barium 100 98.8 100 101 99 75-125 1.74 20 <br /> Cadmium 9.66 9.84 10 97 98 75-125 1.83 20 <br /> Chromium 9.60 9.61 10 96 96 75-125 0.0729 20 <br /> Lead 9.86 9.72 10 99 97 75-125 1.44 20 <br /> Mercury 0.213 0.216 0.25 85 87 75-125 1.68 20 <br /> Selenium 9.59 9.62 10 96 96 75-125 0.287 20 <br /> Silver 9.46 9.42 10 95 94 75-125 0.369 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 11 of 15 <br />