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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 <br />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: FC-Form8A.xsl; Created: 16-Jun-2020 11:23:07; Application: XMLTransformer-1.18.7; <br />Report Filename: PFC_FC_LC_PFAS_WG72387-102_Form8A_SJ2745745.html; Workgroup: WG72387; Design ID: 3973 ] <br />SGS AXYS METHOD MLA-110 Rev 02 <br />Form 8A <br />PERFLUORINATED ORGANICS ONGOING PRECISION AND RECOVERY (OPR) <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 Lab Sample I.D.:WG72387-102 (A) <br />Matrix:AQUEOUS Initial Calibration Date:18-Mar-2020 <br />Extraction Date:15-May-2020 Instrument ID:LCMS/MS <br />Analysis Date:15-May-2020 Time:20:34:56 Column ID:C18 <br />Extract Volume (uL):4000 OPR Data Filename:FC0L_151 S: 16 <br />Injection Volume (uL):2 Blank Data Filename:FC0L_151 S: 19 <br />Dilution Factor:N/A Cal. Ver. Data Filename:FC0L_151 S: 12 <br />ALL CONCENTRATIONS REPORTED ON THIS FORM ARE CONCENTRATIONS IN EXTRACT, BASED ON A 1 mL EXTRACT VOLUME. <br />COMPOUND <br />LAB <br />FLAG 1 SPIKE CONC. <br />(ng/mL) <br />CONC. <br />FOUND <br />(ng/mL)% RECOVERY <br />RETENTION <br />TIME <br />PFBA 40.0 38.7 96.6 1:55 <br />PFPeA 20.0 19.0 95.1 4:21 <br />PFHxA 10.0 9.18 91.8 4:56 <br />PFHpA 10.0 9.36 93.6 5:24 <br />PFOA 10.0 8.97 89.7 <br />PFNA 10.0 10.2 102 <br />PFDA 10.0 9.13 91.3 7:30 <br />PFUnA 10.0 9.84 98.4 7:50 <br />PFDoA 10.0 9.66 96.6 8:06 <br />PFTrDA 10.0 8.34 83.4 8:27 <br />PFTeDA 10.0 10.3 103 8:52 <br />PFBS 10.0 9.87 98.7 4:54 <br />PFPeS 10.0 10.3 103 5:26 <br />PFHxS 10.0 9.57 95.7 <br />PFHpS 10.0 9.12 91.2 7:07 <br />PFOS 10.0 8.90 89.0 <br />PFNS 10.0 9.86 98.6 7:56 <br />PFDS 10.0 8.64 86.4 8:13 <br />PFDoS N 10.0 7.72 77.2 9:03 <br />4:2 FTS 40.0 44.0 110 4:49 <br />6:2 FTS N 36.1 43.5 121 5:51 <br />8:2 FTS 40.0 38.0 95.1 7:21 <br />PFOSA 10.0 9.67 96.7 <br />N-MeFOSA 11.5 12.0 104 <br />N-EtFOSA 25.0 22.3 89.3 <br />MeFOSAA 10.0 9.96 99.6 <br />EtFOSAA 10.0 9.98 99.8 <br />N-MeFOSE 100 100 100 <br />N-EtFOSE 75.0 75.7 101 <br />HFPO-DA 38.0 35.2 92.7 5:05 <br />ADONA 40.0 39.9 99.7 5:38 <br />9Cl-PF3ONS 40.0 42.7 107 7:50 <br />11Cl-PF3OUdS 40.0 36.1 90.2 8:28 <br />Page 1 of 1 (WG72387 -PFC_FC_LC_PFAS_WG72387-102_Form8A_SJ2745745.html) <br />www.axysanalytical.com <br />Page 48 of 94