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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: Universal Service Recycling WorkOrder: 2001077 <br /> Date Prepared: 1/6/20 BatchID: 191780 <br /> Date Analyzed: 1/7/20 Extraction Method: SW1311/SW3010 <br /> Instrument: ICP-MS4 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/L <br /> Project: I-Q-20-13;3200 SOUTH ELDORADO ST 95206 Sample ID: MB/LCS/LCSD-191780 <br /> QC Summary Report for Metals (TCLP) <br /> Analyte MB MDL RL <br /> Result <br /> Arsenic ND 0.10 0.10 - <br /> Barium ND 1.0 1.0 - - - <br /> Cadmium ND 0.050 0.050 - - - <br /> Chromium ND 0.10 0.10 - - <br /> Lead ND 0.10 0.10 - - <br /> Mercury ND 0.010 0.010 - - - <br /> Selenium ND 0.10 0.10 - - - <br /> Silver ND 0.10 0.10 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Arsenic 10 10 10 102 103 75-125 0.478 20 <br /> Barium 100 100 100 102 104 75-125 1.74 20 <br /> Cadmium 9.8 9.9 10 98 99 75-125 0.270 20 <br /> Chromium 9.9 10 10 99 100 75-125 0.608 20 <br /> Lead 9.8 9.9 10 98 99 75-125 0.589 20 <br /> Mercury 0.24 0.24 0.25 94 97 75-125 2.51 20 <br /> Selenium 10 10 10 100 100 75-125 0 20 <br /> Silver 10 10 10 100 101 75-125 1.11 20 <br /> i <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> I Page 16 of 20 <br /> I <br />