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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 15 of 23 <br />SGS AXYS confidential, not to be distributed without written permission <br />QC Specifications for Aqueous, Solid, AFFF, Tissue and Blood Serum Samples: Surrogate <br />Standard Recoveries, OPR and Samples <br />Surrogate <br />Standard <br />OPR and Sample <br />Recovery Range 1 <br />for Aqueous, <br />Solid and AFFF <br />Samples 3 <br />(%) <br />OPR and Sample <br />Recovery Range 1 <br />for Tissue <br />Samples <br />(%) 3 <br />OPR and Sample <br />Recovery Range <br />1 <br />for Blood/Serum <br />Samples <br />(%) 3 <br />13C4-PFBA 50-150 50-150 50-150 <br />13C5-PFPeA 50-150 50-150 50-150 <br />13C5-PFHxA 50-150 50-150 50-150 <br />13C4-PFHpA 50-150 50-150 50-150 <br />13C8-PFOA 50-150 50-150 50-150 <br />13C9-PFNA 50-150 50-150 50-150 <br />13C6-PFDA 50-150 50-180 50-150 <br />13C7-PFUnA 50-150 50-150 50-160 <br />13C2-PFDoA 50-150 50-150 50-150 <br />13C2-PFTeDA 50-150 50-150 40-150 <br /> <br />13C3-PFBS 50-150 50-150 50-150 <br />13C3-PFHxS 50-150 50-150 50-150 <br />13C8-PFOS 50-150 50-150 50-150 <br /> <br />13C2-4:2 FTS 50-150 50-220 50-150 <br />13C2-6:2 FTS 50-150 50-180 30-180 <br />13C2-8:2 FTS 50-150 50-300 30-180 <br /> <br />13C8-PFOSA 50-150 50-150 50-150 <br />D3-N-MeFOSA 30-150 2 50-150 <br /> D5-N-EtFOSA 20-150 2 50-150 <br /> <br />D3-N-MeFOSAA 50-150 2 40-200 <br />D5-N-EtFOSAA 50-150 2 40-200 <br /> <br />D7-N-MeFOSE 30-150 2 50-150 <br />D9-N-EtFOSE 30-150 2 30-150 <br /> <br />13C3-HFPO-DA 50-150 50-150 50-150 <br /> <br />1 Lower surrogate recoveries may be accepted based on application and professional judgment. Note that for AFFF <br />products, these are interim specifications and data outside the specifications may be acceptable based on application <br />and professional judgment. <br />www.axysanalytical.com <br />Page 20 of 94