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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> _ M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: BSK Associates Engineers&Laboratories WorkOrder: 2401B03 <br /> Date Prepared: 01/23/2024 BatchID: 286390 <br /> Date Analyzed: 01/29/2024-01/30/2024 Extraction Method: DOD QSM <br /> Instrument: LC-MS3 Analytical Method: DOD QSM <br /> Matrix: Soil Unit: µg/Kg <br /> Project: E200160117; Stockton Airport HAS Sample ID: MB/LCS/LCSD-286390 <br /> QC Summary Report for DOD QSM 5.3 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> 9CIPF30NS 4.8 5.3 5 96 105 70-130 8.78 30 <br /> 11CIPF3OUdS 4.3 5.2 5 85 105 70-130 20.5 30 <br /> 3:3 FTCA 4.0 4.6 5 81 93 70-130 14.2 30 <br /> 4:2 FTS 4.7 5.2 5 94 103 62-145 9.64 30 <br /> 5:3 FTCA 5.4 5.3 5 108 107 70-130 0.665 30 <br /> 6:2 FTS 6.1 6.1 5 122 122 64-140 0.265 30 <br /> 7:3 FTCA 4.3 5.3 5 85 106 70-130 21.9 30 <br /> 8:2 FTS 4.1 4.3 5 83 86 65-137 4.23 30 <br /> 10:2 FTS 4.0 4.8 5 80 95 70-130 17.5 30 <br /> ADONA 5.2 5.6 5 104 112 70-130 6.97 30 <br /> EtFOSA 5.0 4.8 5 100 95 70-130 4.87 30 <br /> EtFOSE 5.3 5.5 5 105 109 70-130 3.54 30 <br /> HFPO-DA 4.3 4.6 5 85 91 70-130 7.04 30 <br /> McFOSA 4.3 5.1 5 87 103 70-130 16.8 30 <br /> McFOSE 4.9 5.7 5 98 114 70-130 15.1 30 <br /> NEtFOSAA 4.3 5.5 5 86 110 61-139 24.9 30 <br /> NFDHA 4.8 4.9 5 95 97 70-130 2.40 30 <br /> NMeFOSAA 4.6 5.5 5 91 110 63-144 18.4 30 <br /> PFBA 4.6 4.9 5 93 99 71-135 6.33 30 <br /> PFBS 4.7 4.8 5 94 95 72-128 1.56 30 <br /> PFDA 4.4 5.0 5 88 100 69-133 13.5 30 <br /> PFDDA 4.4 4.7 5 88 94 69-135 5.97 30 <br /> PFDS 4.4 5.2 5 88 105 59-134 17.4 30 <br /> PFEESA 4.4 4.8 5 88 96 70-130 9.19 30 <br /> PFHpA 4.7 5.1 5 94 103 71-131 8.46 30 <br /> PFHpS 4.4 5.5 5 87 110 70-132 23.3 30 <br /> PFHxA 4.9 4.9 5 97 99 70-132 1.44 30 <br /> PFHxDA 4.4 4.7 5 88 94 70-130 6.55 30 <br /> PFHxS 4.8 4.8 5 95 96 67-130 0.650 30 <br /> PFMBA 4.6 4.6 5 92 92 70-130 0.198 30 <br /> PFMPA 4.5 4.9 5 89 98 70-130 8.72 30 <br /> PFNA 4.6 5.0 5 93 99 72-129 6.78 30 <br /> PFNS 4.3 5.4 5 86 108 69-125 22.6 30 <br /> PFOA 4.8 5.2 5 95 104 69-133 9.15 30 <br /> PFODA 4.4 4.8 5 88 96 70-130 8.56 30 <br /> PFOS 4.3 5.3 5 86 106 68-136 21.7 30 <br /> PFOSA 4.9 5.3 5 99 107 67-137 7.77 30 <br /> PFPeA 4.8 4.6 5 97 92 69-132 4.60 30 <br /> (Cont.) <br /> DoD-ELAP Cert#L22-757•CA ELAP 1644 <br /> Page 59 of 75 <br />