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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C am p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" I <br /> http://www.mccanTbell.com/E-mail:main@mccampbell.com <br /> Analytical Report <br /> Client: BSK Associates Engineers&Laboratories WorkOrder: 2312D30 <br /> Date Received: 12/19/2023 14:00 Extraction Method: DOD QSM <br /> Date Prepared: 12/27/2023 Analytical Method: DOD QSM <br /> Project: E2001601F; Stockoton Airport PFAS Unit: µg/Kg <br /> Perfluorinated Compounds <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> MW-4@10' 2312D30-003A Soil 12/19/2023 09:35 LC-MS3 01032024 DOD S_ 284839 <br /> Analytes Result Qualifiers MDL RL DF Date Analyzed <br /> PFOSA ND 0.21 1.0 1 01/03/2024 17:08 <br /> PFPeA ND 0.26 1.0 1 01/03/2024 17:08 <br /> PFPeS ND 0.17 1.0 1 01/03/2024 17:08 <br /> PFTeDA ND 0.19 1.0 1 01/03/2024 17:08 <br /> PFTrDA ND 0.29 1.0 1 01/03/2024 17:08 <br /> PFUnA ND 0.34 1.0 1 01/03/2024 17:08 <br /> Internal Standard REC % Limits <br /> 13C2-4:2 FTS 89 50-150 1 01/03/2024 17:08 <br /> 13C2-6:2 FTS 116 50-150 1 01/03/2024 17:08 <br /> 13C2-8:2 FTS 141 50-150 1 01/03/2024 17:08 <br /> 13C2-PFDoA 95 50-150 1 01/03/2024 17:08 <br /> 13C2-PFTeDA 90 50-150 1 01/03/2024 17:08 <br /> 13C3-HFPO-DA 85 50-150 1 01/03/2024 17:08 <br /> 13C3-PFBS 93 50-150 1 01/03/2024 17:08 <br /> 13C3-P F HxS 97 50-150 1 01/03/2024 17:08 <br /> 13C4-P F BA 91 50-150 1 01/03/2024 17:08 <br /> 13C4-P F H pA 90 50-150 1 01/03/2024 17:08 <br /> 13C5-PFHxA 88 50-150 1 01/03/2024 17:08 <br /> 13C5-PFPeA 90 50-150 1 01/03/2024 17:08 <br /> 13C6-PFDA 99 50-150 1 01/03/2024 17:08 <br /> 13C7-PFUdA 96 50-150 1 01/03/2024 17:08 <br /> 13C8-PFDA 93 50-150 1 01/03/2024 17:08 <br /> 13C8-PFOS 91 50-150 1 01/03/2024 17:08 <br /> 13C8-PFOSA 86 50-150 1 01/03/2024 17:08 <br /> 13C9-PFNA 96 50-150 1 01/03/2024 17:08 <br /> d3-McFOSAA 105 50-150 1 01/03/2024 17:08 <br /> d5-EtFOSAA 101 50-150 1 01/03/2024 17:08 <br /> 13C2-PFHxDA 53 50-150 1 01/03/2024 17:08 <br /> d3-McFOSA 80 50-150 1 01/03/2024 17:08 <br /> d5-EtFOSA 86 50-150 1 01/03/2024 17:08 <br /> d7N-McFOSE 64 50-150 1 01/03/2024 17:08 <br /> d9N-EtFOSE 83 50-150 1 01/03/2024 17:08 <br /> Analyst(s): PJA <br /> (Cont.) <br /> DoD-ELAP Cert#L22-757•CA ELAP 1644 <br /> Page 11 of 23 <br />