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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: 2401944 <br /> Date Prepared: 01/23/2024 BatchID: 286389 <br /> Date Analyzed: 01/25/2024-01/26/2024 Extraction Method: DOD QSM <br /> Instrument: LC-MS3 Analytical Method: DOD QSM <br /> Matrix: Soil Unit: µg/Kg <br /> Project: E200160117; Stockton Airport PFAS Sample ID: MB/LCS/LCSD-286389 <br /> 2401944-020AMS/MSD <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 /> PFPeS 5.5 5.8 5 110 117 73-123 6.29 30 <br /> PFTeDA 5.8 6.1 5 115 123 69-133 6.60 30 <br /> PFTrDA 5.7 6.0 5 115 120 66-139 4.24 30 <br /> PFUnA 5.4 5.3 5 107 106 64-136 1.44 30 <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> 9CIPF30NS 1 8.2 7.1 5 ND 164,F10 142,F10- 70-130 14.2 30 <br /> 11CIPF3OUdS 1 6.2 6.3 5 ND 124 125 70-130 0.767 30 <br /> 3:3 FTCA 1 8.0 7.3 5 ND 161,F10 146,F10 70-130 9.36 30 <br /> 4:2 FTS 1 8.7 7.9 5 ND 174,F10 159,F10 62-145 9.18 30 <br /> 5:3 FTCA 1 6.3 6.1 5 ND 126 123 70-130 2.62 30 <br /> 6:2 FTS 1 6.7 7.8 5 ND 135 157,F10 64-140 15.2 30 <br /> 7:3 FTCA 1 6.1 7.6 5 ND 122 151,F10 70-130 21.5 30 <br /> 8:2 FTS 1 8.2 5.5 5 ND 163,F10 110 65-137 38.5,F1 30 <br /> 10:2 FTS 1 5.6 5.5 5 ND 112 110 70-130 2.08 30 <br /> ADONA 1 7.9 7.0 5 ND 157,F10 140,F10 70-130 11.9 30 <br /> EtFOSA 1 7.5 7.9 5 ND 149,F10 158,F10 70-130 5.97 30 <br /> ETOSE 1 5.2 5.6 5 ND 103 113 70-130 9.18 30 <br /> HFPO-DA 1 7.3 6.9 5 ND 145,F10 137,F10 70-130 5.39 30 <br /> McFOSA 1 7.8 6.6 5 ND 156,F10 132,F10 70-130 16.9 30 <br /> McFOSE 1 5.5 5.5 5 ND ill 110 70-130 0.827 30 <br /> NETOSAA 1 7.0 6.6 5 ND 140,F10 133 61-139 5.38 30 <br /> NFDHA 1 6.0 5.7 5 ND 120 113 70-130 5.18 30 <br /> NMeFOSAA 1 9.0 8.7 5 ND 180,F10 174,F10 63-144 3.19 30 <br /> PFBA 1 7.5 7.4 5 ND 151,F10 148,F10 71-135 1.83 30 <br /> PFBS 1 6.8 6.8 5 ND 136,F10 136,F10 72-128 0.0796 30 <br /> PFDA 1 8.2 6.8 5 ND 164,F10 136,F10 69-133 18.7 30 <br /> PFDoA 1 7.6 7.1 5 ND 152,F10 143,F10 69-135 6.43 30 <br /> PFDS 1 6.9 8.4 5 ND 139,F10 167,F10 59-134 18.5 30 <br /> PFEESA 1 5.6 5.3 5 ND 111 107 70-130 4.30 30 <br /> PFHpA 1 7.4 7.5 5 ND 149,F10 150,F10 71-131 0.995 30 <br /> PFHpS 1 7.0 8.2 5 ND 141,F10 164,F10 70-132 15.6 30 <br /> PFHxA 1 7.8 7.1 5 ND 156,F10 142,F10 70-132 9.06 30 <br /> (Cont.) <br /> DoD-ELAP Cert#L22-757•CA ELAP 1644 <br /> Page 63 of 80 <br />