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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: 2312D30 <br /> Date Prepared: 12/27/2023 BatchID: 284839 <br /> Date Analyzed: 01/03/2024 Extraction Method: DOD QSM <br /> Instrument: LC-MS3 Analytical Method: DOD QSM <br /> Matrix: Soil Unit: µg/Kg <br /> Project: E200160117; Stockoton Airport PFAS Sample ID: MB/LCS/LCSD-284839 <br /> 2312D30-004AMS/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 4.8 5.6 5 95 113 73-123 17.0 30 <br /> PFTeDA 5.3 5.7 5 106 113 69-133 6.46 30 <br /> PFTrDA 5.5 6.1 5 ill 122 66-139 9.70 30 <br /> PFUnA 5.2 5.7 5 104 114 64-136 9.18 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 6.0 5.9 5 ND 120 118 70-130 1.50 30 <br /> 11CIPF3OUdS 1 5.3 5.3 5 ND 107 106 70-130 0.803 30 <br /> 3:3 FTCA 1 5.3 5.9 5 ND 106 118 70-130 10.8 30 <br /> 4:2 FTS 1 6.4 6.1 5 ND 127 122 62-145 4.52 30 <br /> 5:3 FTCA 1 5.4 5.6 5 ND 108 112 70-130 4.42 30 <br /> 6:2 FTS 1 9.3 11 5 3.537 115 143,F10 64-140 14.3 30 <br /> 7:3 FTCA 1 6.0 5.6 5 ND 119 112 70-130 6.44 30 <br /> 8:2 FTS 1 5.2 5.3 5 ND 104 107 65-137 2.31 30 <br /> 10:2 FTS 1 5.0 5.5 5 ND 100 109 70-130 9.11 30 <br /> ADONA 1 5.7 5.7 5 ND 114 115 70-130 0.756 30 <br /> EtFOSA 1 5.4 5.9 5 ND 108 117 70-130 8.40 30 <br /> ETOSE 1 5.4 5.6 5 ND 109 ill 70-130 2.38 30 <br /> HFPO-DA 1 6.0 6.1 5 ND 120 122 70-130 1.60 30 <br /> McFOSA 1 5.9 7.0 5 ND 118 139,F10 70-130 16.5 30 <br /> McFOSE 1 7.3 7.0 5 ND 146,F10 140,F10 70-130 3.73 30 <br /> NETOSAA 1 5.7 5.9 5 ND 114 119 61-139 3.56 30 <br /> NFDHA 1 5.0 5.1 5 ND 100 102 70-130 2.76 30 <br /> NMeFOSAA 1 6.6 5.4 5 ND 131 108 63-144 19.6 30 <br /> PFBA 1 6.2 6.1 5 ND 123 123 71-135 0.339 30 <br /> PFBS 1 6.3 6.1 5 ND 117 115 72-128 2.00 30 <br /> PFDA 1 5.8 5.3 5 ND 116 106 69-133 9.23 30 <br /> PFDoA 1 5.4 5.6 5 ND 109 112 69-135 3.08 30 <br /> PFDS 1 5.5 5.8 5 ND 110 115 59-134 4.92 30 <br /> PFEESA 1 5.4 4.7 5 ND 108 93 70-130 14.8 30 <br /> PFHpA 1 5.9 5.7 5 ND 118 115 71-131 2.88 30 <br /> PFHpS 1 5.3 5.7 5 ND 106 113 70-132 6.46 30 <br /> PFHxA 1 7.1 7.7 5 2.071 100 113 70-132 8.29 30 <br /> (Cont.) <br /> DoD-ELAP Cert#L22-757•CA ELAP 1644 <br /> Page 17 of 23 <br />