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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: 286391 <br /> Date Analyzed: 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-286391 <br /> 2401B03-024AMS/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 5.2 4.9 5 104 98 73-123 5.87 30 <br /> PFTeDA 5.0 5.2 5 100 103 69-133 2.89 30 <br /> PFTrDA 5.2 5.2 5 104 103 66-139 1.13 30 <br /> PFUnA 4.6 5.8 5 92 116 64-136 23.7 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 5.2 5.0 5 ND 104 101 70-130 3.37 30 <br /> 11CIPF3OUdS 1 5.3 5.0 5 ND 105 101 70-130 3.99 30 <br /> 3:3 FTCA 1 5.5 4.4 5 ND ill 88 70-130 22.8 30 <br /> 4:2 FTS 1 6.0 5.3 5 ND 121 105 62-145 13.5 30 <br /> 5:3 FTCA 1 5.0 5.5 5 ND 100 110 70-130 9.20 30 <br /> 6:2 FTS 1 28 21 5 15.02 263,F10 115 64-140 30.1,F1 30 <br /> 7:3 FTCA 1 5.7 5.9 5 ND 114 117 70-130 2.62 30 <br /> 8:2 FTS 1 13 10 5 5.3 162,F10 96 65-137 28.3 30 <br /> 10:2 FTS 1 5.4 5.0 5 ND 108 99 70-130 8.27 30 <br /> ADONA 1 5.2 5.8 5 ND 105 115 70-130 9.54 30 <br /> EtFOSA 1 5.2 4.9 5 ND 104 98 70-130 6.00 30 <br /> EtFOSE 1 5.5 5.0 5 ND 110 100 70-130 9.58 30 <br /> HFPO-DA 1 5.4 5.2 5 ND 108 104 70-130 4.04 30 <br /> McFOSA 1 5.3 5.0 5 ND 106 100 70-130 5.73 30 <br /> McFOSE 1 5.8 4.8 5 ND 116 96 70-130 18.8 30 <br /> NETOSAA 1 5.8 5.4 5 ND 117 108 61-139 8.24 30 <br /> NFDHA 1 5.5 5.0 5 ND 110 101 70-130 8.50 30 <br /> NMeFOSAA 1 5.0 5.7 5 ND 101 113 63-144 11.6 30 <br /> PFBA 1 5.7 5.2 5 ND 113 105 71-135 7.89 30 <br /> PFBS 1 5.7 5.2 5 ND 114 104 72-128 8.84 30 <br /> PFDA 1 5.4 5.4 5 ND 108 107 69-133 1.11 30 <br /> PFDoA 1 5.7 4.7 5 ND 115 94 69-135 19.4 30 <br /> PFDS 1 6.4 5.6 5 ND 127 112 59-134 12.7 30 <br /> PFEESA 1 5.7 4.9 5 ND 114 97 70-130 16.4 30 <br /> PFHpA 1 5.5 5.7 5 ND 111 114 71-131 3.21 30 <br /> PFHpS 1 6.5 5.9 5 ND 130 118 70-132 10.2 30 <br /> PFHx4 1 6.5 6.1 5 ND 113 106 70-132 5.60 30 <br /> (Cont.) <br /> DoD-ELAP Cert#L22-757•CA ELAP 1644 <br /> Page 64 of 75 <br />