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This document is the Intellectual Property of SGS AXYS Analytical Services Ltd. and contains Proprietary and Confidential Business <br />Information. It may not be reproduced or distributed without written permission of the owner. © SGS AXYS Analytical Services Ltd, 2020. <br />SGS AXYS Analytical Services Ltd, 2045 Mills Road W., Sidney, BC, Canada, V8L 5X2. Tel. (250) 655-5800, fax (250) 655-5811. <br />This is not a controlled document; it is subject to change without notification. <br /> <br />SGS AXYS Analytical Services Ltd. <br /> <br />MSU-110 Rev 14, 28-May-2020 Summary of MLA-110 Rev 02 Ver 07 Page 17 of 23 <br />SGS AXYS confidential, not to be distributed without written permission <br />QC Parameter Specification <br />Initial Calibration <br />Verification (ICV): <br />After each Initial Calibration (I-CAL) and prior to sample analysis; analyze a <br />second source standard (similar concentration to the CAL E); quantify <br />against I-Cal, results must meet Cal/Ver accuracy specifications. <br />Calibration Verification <br />(Cal/Ver or CCV) <br /> <br />Continuing Calibration Verification using CAL E <br />Run every 12 hours, quantify against I-CAL. <br />Calculated analyte conc. 70-130% of actual. <br />Calculated surrogate recovery 50 – 150%. <br />Additional requirement for DoD: Run Cal/Ver every 10 client samples or <br />every 12 hours, whichever occurs first, and at the end of the analytical <br />sequence; quantify against I-CAL. Calculated conc. must be 70- 130 % of <br />actual. <br />For internal purposes monitor Peak Asymmetry for every Cal/Ver <br />Instrumental Carryover and <br />Instrument Background <br />An instrument blank containing surrogates is run after every Initial <br />Calibration, Cal/Ver, or OPR. The specification is  0.3 % carryover from <br />the standard into following instrument blank. This specification covers the <br />requirement for DoD that the concentration of each analyte in the <br />instrument blank must be ≤ ½ of the LOQ (C CAL). <br />Duplicate Samples If conc. ≥ 5 times R.L., RPD ≤ 40% <br />If conc. < 5 times R.L., guideline RPD ≤ 100% <br />MS/MSD Optional test, client must request. Spiking at the OPR level. <br />MS/MSD Analyte recoveries are evaluated against OPR limits, see Table <br />6a. <br />RPD ≤ 40% <br />Additional requirement for DoD: For all matrices analyzed by SPE one <br />Matrix Spike and one Matrix Spike Duplicate shall be included with every <br />analysis batch. MS/MSD recoveries are evaluated against project limits if <br />prescribed by the client, otherwise MS/MSD recoveries are evaluated <br />against the DOD specific acceptance ranges for OPRs listed in Table 6b <br />of this document, or against the MLA-110 OPR method recovery limits for <br />analytes not listed in Table 6b (see Table 6a). RPDs are evaluated <br />against project limits if prescribed by the client, otherwise RPDs are <br />evaluated against the DoD specific limit of ≤30%. <br /> <br /> <br /> <br />www.axysanalytical.com <br />Page 22 of 94