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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 11 of 23 <br />SGS AXYS confidential, not to be distributed without written permission <br /> <br />Typical <br />Retention <br />Time 1 <br />Precursor <br />Ion m/z <br />Quantification <br />Product Ion m/z4 <br />Confirmation <br />Product Ion <br />m/z 2,4 <br />Typical Ion Ratio <br />Quant./Conf.3 <br />Quantified <br />using <br />13C2-4:2 FTS 4.67 329.1 80.9 309.0 18O2-PFHxS <br />13C2-6:2 FTS 5.82 429.1 80.9 409.0 18O2-PFHxS <br />13C2-8:2 FTS 7.28 529.1 80.9 509.0 18O2-PFHxS <br />13C8-PFOSA 8.41 506.1 77.8 n.a. 13C4-PFOS <br />D3-N-MeFOSA 9.70 515.0 219.0 n.a. 13C4-PFOS <br />D5-N-EtFOSA 9.94 531.1 219.0 n.a. 13C4-PFOS <br />D3-N-MeFOSAA 7.51 573.2 419.0 n.a. 13C4-PFOS <br />D5-N-EtFOSAA 7.65 589.2 419.0 n.a. 13C4-PFOS <br />D7-N-MeFOSE 9.56 623.2 58.9 n.a. 13C4-PFOS <br />D9-N-EtFOSE 9.83 639.2 58.9 n.a. 13C4-PFOS <br />13C3-HFPO-DA 4.97 286.9 168.9 184.9 13C2-PFHxA <br />Recovery standards <br />13C3-PFBA 1.95 216.0 172.0 n.a. External <br />13C2-PFHxA 4.80 315.1 270.0 119.4 External <br />13C4-PFOA 6.16 417.1 172.0 n.a. External <br />13C5-PFNA 6.99 468.0 423.0 n.a. External <br />13C2-PFDA 7.47 515.1 470.1 n.a. External <br />18O2-PFHxS 6.30 403.0 83.9 n.a. External <br />13C4-PFOS 7.59 502.8 79.9 98.9 External <br />1 Times shown are in decimal minute units. <br />2 Alternate transition, second m/z, may be used if necessary to avoid interference. <br />3 Transition ion ratios may vary by instrument, values shown are examples. Ion ratios applicable to qualitative identification are determined from <br />instrumental calibration data. <br />4 Unit mass resolution of this instrument suggests ± 0.5 amu uncertainty in indicated masses. <br />5 If the quantifying standard 13C3-PFBS is unavailable PFBS may optionally be quantified against 13C3-PFHxS. <br /> <br />www.axysanalytical.com <br />Page 16 of 94