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(1) Where applicable, custom lab flags have been used on this report; N = authentic recovery in the OPR is not within method/contract control limits. <br />These data are validated and reported as accurate and in accord with SGS AXYS Analytical Services Ltd. ISO17025 compliant quality assurance processes. <br />Signed: ___________Bryan Alonzo___________ <br />These pages are part of a larger report that may contain information necessary for full data evaluation. Results reported relate only to the sample tested. <br />For Axys Internal Use Only [ XSL Template: RPD.xsl; Created: 16-Jun-2020 11:25:01; Application: XMLTransformer-1.18.7; <br />Report Filename: RPD_FC_LC_PFAS-RPD_WG72387-103_WG72387-102_.html; Workgroup: WG72387; Design ID: 3973 ] <br />SGS AXYS METHOD MLA-110 Rev 02 PERFLUORINATED ORGANICS ANALYSIS REPORT <br />RELATIVE PERCENT DIFFERENCE <br />SGS AXYS ANALYTICAL SERVICES <br />2045 MILLS RD., SIDNEY, B.C., CANADA <br />V8L 5X2 TEL (250) 655-5800 FAX (250) 655-5811 <br />Contract No.:5036 <br />Client ID:Spiked Matrix Concentration Units:ng/mL <br />WG72387-102 (A)WG72387-103 <br />COMPOUND LAB <br />FLAG 1 <br />CONC. <br />FOUND <br />LAB <br />FLAG 1 <br />CONC. <br />FOUND <br />MEAN RELATIVE <br />PERCENT <br />DIFFERENCE <br />PFBA 38.7 38.6 38.6 0.176 <br />PFPeA 19.0 19.5 19.3 2.59 <br />PFHxA 9.18 9.78 9.48 6.39 <br />PFHpA 9.36 9.27 9.32 1.02 <br />PFOA 8.97 9.01 8.99 0.434 <br />PFNA 10.2 9.80 10.0 4.18 <br />PFDA 9.13 9.63 9.38 5.34 <br />PFUnA 9.84 9.67 9.75 1.78 <br />PFDoA 9.66 10.4 10.0 7.30 <br />PFTrDA 8.34 8.66 8.50 3.72 <br />PFTeDA 10.3 10.2 10.2 0.527 <br />PFBS 9.87 9.58 9.72 2.93 <br />PFPeS 10.3 10.2 10.2 1.34 <br />PFHxS 9.57 9.72 9.65 1.57 <br />PFHpS 9.12 9.10 9.11 0.220 <br />PFOS 8.90 8.83 8.87 0.797 <br />PFNS 9.86 10.3 10.1 4.37 <br />PFDS 8.64 8.26 8.45 4.57 <br />PFDoS N 7.72 N 7.89 7.81 2.23 <br />4:2 FTS 44.0 43.1 43.5 2.04 <br />6:2 FTS N 43.5 40.6 42.0 6.90 <br />8:2 FTS 38.0 41.0 39.5 7.37 <br />PFOSA 9.67 9.83 9.75 1.61 <br />N-MeFOSA 12.0 11.7 11.9 1.95 <br />N-EtFOSA 22.3 22.1 22.2 1.01 <br />MeFOSAA 9.96 N 7.81 8.88 24.3 <br />EtFOSAA 9.98 8.34 9.16 17.9 <br />N-MeFOSE 100 99.6 100 0.899 <br />N-EtFOSE 75.7 75.5 75.6 0.312 <br />HFPO-DA 35.2 36.4 35.8 3.26 <br />ADONA 39.9 43.4 41.6 8.43 <br />9Cl-PF3ONS 42.7 47.0 44.9 9.58 <br />11Cl-PF3OUdS 36.1 40.2 38.1 10.8 <br />Page 1 of 1 (WG72387 -RPD_FC_LC_PFAS-RPD_WG72387-103_WG72387-102_.html) <br />www.axysanalytical.com <br />Page 52 of 94