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(1) Where applicable, custom lab flags have been used on this report. <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-Form8B.xsl; Created: 16-Jun-2020 11:23:07; Application: XMLTransformer-1.18.7; <br />Report Filename: PFC_FC_LC_PFAS_WG72387-102_Form8B_SJ2745745.html; Workgroup: WG72387; Design ID: 3973 ] <br />SGS AXYS METHOD MLA-110 Rev 02 <br />Form 8B <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 />LABELED <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 />13C4-PFBA 40.0 33.3 83.3 1:54 <br />13C5-PFPeA 20.0 19.3 96.3 4:21 <br />13C5-PFHxA 10.0 9.45 94.5 4:56 <br />13C4-PFHpA 10.0 8.55 85.5 5:24 <br />13C8-PFOA 10.0 8.40 84.0 6:10 <br />13C9-PFNA 5.00 4.06 81.2 7:01 <br />13C6-PFDA 5.00 4.65 93.0 7:30 <br />13C7-PFUnA 5.00 4.45 88.9 7:50 <br />13C2-PFDoA 5.00 4.45 89.0 8:06 <br />13C2-PFTeDA 5.00 3.74 74.9 8:52 <br />13C3-PFBS 10.0 8.42 84.2 4:54 <br />13C3-PFHxS 10.0 8.28 82.8 6:17 <br />13C8-PFOS 10.0 9.06 90.6 7:36 <br />13C2-4:2 FTS 20.0 11.8 59.2 4:49 <br />13C2-6:2 FTS 20.0 11.6 58.2 5:51 <br />13C2-8:2 FTS 20.0 12.0 60.0 7:21 <br />13C8-PFOSA 10.0 8.48 84.8 8:43 <br />D3-N-MeFOSA 10.0 7.06 70.6 10:07 <br />D5-N-EtFOSA 10.0 6.73 67.3 10:24 <br />D3-MeFOSAA 20.0 11.7 58.3 7:33 <br />D5-EtFOSAA 20.0 11.2 56.1 7:42 <br />d7-NMe-FOSE 100 70.2 70.2 9:59 <br />d9-NEt-FOSE 100 64.2 64.2 10:17 <br />13C3-HFPO-DA 40.0 36.2 90.6 5:05 <br />Page 1 of 1 (WG72387 -PFC_FC_LC_PFAS_WG72387-102_Form8B_SJ2745745.html) <br />www.axysanalytical.com <br />Page 49 of 94