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DDW-2025-001208
January 23, 2025 Dear John Steffan: Please find enclosed the analytical results for the 6 sample(s) the laboratory received on 1/16/25 10:33 am and logged in under work order IA02639. All testing is performed according to our current TNI accreditations unless otherwise noted. This report cannot be reproduced, except in full, without the written permission of Pace Analytical Services, LLC. If you have any questions regarding your report, please contact your project manager. Quality and timely data is of the utmost importance to us. Pace Analytical Services appreciates the opportunity to provide you with analytical expertise . We are always trying to improve our customer service and we welcome you to contact the General Manager, Lisa Grant, with any feedback you have about your experience with our laboratory at 309-683-1764 or lisa.grant@pacelabs.com. Sincerely, Janet Clutters Project Manager (309) 692-9688 x1743 janet.clutters@pacelabs.com John Steffan Utah Department of Environmental Quality 195 N 1950 W Salt Lake City, UT 84116 UTAH26006RE: Peoria, IL 61615 Pace Analytical Services, LLC 2231 W. Altorfer Drive (800)752-6651 www.pacelabs.comCustomer #: 72-106174 Page 1 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 Case Narrative SAMPLES RECEIVED WITHIN REGULATORY HOLD TIME AND WITHIN TEMPERATURE COMPLIANCE OF 0.1-10 DEGREES & ON ICE APPROPRIATE BOTTLES RECEIVED AND SUFFICIENT SAMPLE VOLUME COC PRESENT, COMPLETED & LEGIBLE RESULTS REPORTED HEREIN CONFORM TO THE APPICABLE TNI/NELAC STANDARDS AND THE LABORATORY'S QUALITY MANUAL UNLESS OTHER WISE NOTED IN THE BODY OF THE REPORT. www.pacelabs.comCustomer #: 72-106174 Page 2 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 www.pacelabs.comCustomer #: 72-106174 Page 3 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-01 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:32 SS091-SAMPLING STTION-01 03 Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Semivolatile Organics - PFAS - PIA < 0.9 ng/L EPA 533PFBA01/20/25 17:13 EJBU1.910.9 < 0.4 ng/L EPA 533PFMPA01/20/25 17:13 EJBU1.910.4 < 0.5 ng/L EPA 533PFPeA01/20/25 17:13 EJBU1.910.5 < 0.5 ng/L EPA 533PFBS01/20/25 17:13 EJBU1.910.5 < 0.4 ng/L EPA 533PFMBA01/20/25 17:13 EJBU1.910.4 < 0.5 ng/L EPA 533PFEESA01/20/25 17:13 EJBU1.910.5 < 0.3 ng/L EPA 533HFPO-DA 01/20/25 17:13 EJBU1.910.3 < 0.4 ng/L EPA 533NFDHA01/20/25 17:13 EJBU1.910.4 < 0.3 ng/L EPA 5334:2 FTS 01/20/25 17:13 EJBU1.910.3 < 0.4 ng/L EPA 533PFHxS01/20/25 17:13 EJBU1.910.4 < 0.5 ng/L EPA 533PFHpA01/20/25 17:13 EJBU1.910.5 < 0.4 ng/L EPA 533PFHxA01/20/25 17:13 EJBU1.910.4 < 0.5 ng/L EPA 533ADONA01/20/25 17:13 EJBU1.910.5 < 0.5 ng/L EPA 533PFPeS01/20/25 17:13 EJBU1.910.5 < 0.5 ng/L EPA 5336:2 FTS 01/20/25 17:13 EJBU1.910.5 < 0.7 ng/L EPA 533PFOA01/20/25 17:13 EJBU1.910.7 < 0.6 ng/L EPA 533PFHpS01/20/25 17:13 EJBU1.910.6 < 0.5 ng/L EPA 533PFOS01/20/25 17:13 EJBU1.910.5 < 0.5 ng/L EPA 533PFNA01/20/25 17:13 EJBU1.910.5 < 0.6 ng/L EPA 5339Cl-PF3ONS 01/20/25 17:13 EJBU1.910.6 < 0.5 ng/L EPA 5338:2 FTS 01/20/25 17:13 EJBU1.910.5 < 0.4 ng/L EPA 533PFDA01/20/25 17:13 EJBU1.910.4 < 0.4 ng/L EPA 533PFUnA01/20/25 17:13 EJBU1.910.4 < 0.5 ng/L EPA 53311Cl-PF3OUdS 01/20/25 17:13 EJBU1.910.5 < 0.5 ng/L EPA 533PFDoA01/20/25 17:13 EJBU1.910.5 Surrogate: 13C4-PFBA-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C5-PFPeA-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C3-PFBS-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C2-4:2FTS-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C5-PFHxA-SURR 100 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C3-HFPOA-DA-SURR 97 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C4-PFHpA-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C3-PFHxS-SURR 98 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C2-6:2FTS-SURR 92 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C8-PFOA-SURR 94 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C9-PFNA-SURR 91 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C8-PFOS-SURR 96 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C2-8:2FTS-SURR 92 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C6-PFDA-SURR 87 %50-200 01/20/25 17:13 EJB EPA 533 Surrogate: 13C7-PFUnA-SURR 85 %50-200 01/20/25 17:13 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 4 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-01 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:32 SS091-SAMPLING STTION-01 03 Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Surrogate: 13C2-PFDoA-SURR 87 %50-200 01/20/25 17:13 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 5 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-03 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:17 WS004-VALLEY HILLS WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Semivolatile Organics - PFAS - PIA < 0.9 ng/L EPA 533PFBA01/20/25 18:00 EJBU1.910.9 < 0.4 ng/L EPA 533PFMPA01/20/25 18:00 EJBU1.910.4 0.8 ng/L EPA 533PFPeA01/20/25 18:00 EJBJ1.910.5 < 0.5 ng/L EPA 533PFBS01/20/25 18:00 EJBU1.910.5 < 0.4 ng/L EPA 533PFMBA01/20/25 18:00 EJBU1.910.4 < 0.5 ng/L EPA 533PFEESA01/20/25 18:00 EJBU1.910.5 < 0.3 ng/L EPA 533HFPO-DA 01/20/25 18:00 EJBU1.910.3 < 0.4 ng/L EPA 533NFDHA01/20/25 18:00 EJBU1.910.4 < 0.3 ng/L EPA 5334:2 FTS 01/20/25 18:00 EJBU1.910.3 < 0.4 ng/L EPA 533PFHxS01/20/25 18:00 EJBU1.910.4 < 0.5 ng/L EPA 533PFHpA01/20/25 18:00 EJBU1.910.5 0.7 ng/L EPA 533PFHxA01/20/25 18:00 EJBJ1.910.5 < 0.5 ng/L EPA 533ADONA01/20/25 18:00 EJBU1.910.5 < 0.5 ng/L EPA 533PFPeS01/20/25 18:00 EJBU1.910.5 < 0.5 ng/L EPA 5336:2 FTS 01/20/25 18:00 EJBU1.910.5 < 0.7 ng/L EPA 533PFOA01/20/25 18:00 EJBU1.910.7 < 0.6 ng/L EPA 533PFHpS01/20/25 18:00 EJBU1.910.6 < 0.5 ng/L EPA 533PFOS01/20/25 18:00 EJBU1.910.5 < 0.5 ng/L EPA 533PFNA01/20/25 18:00 EJBU1.910.5 < 0.6 ng/L EPA 5339Cl-PF3ONS 01/20/25 18:00 EJBU1.910.6 < 0.5 ng/L EPA 5338:2 FTS 01/20/25 18:00 EJBU1.910.5 < 0.4 ng/L EPA 533PFDA01/20/25 18:00 EJBU1.910.4 < 0.4 ng/L EPA 533PFUnA01/20/25 18:00 EJBU1.910.4 < 0.5 ng/L EPA 53311Cl-PF3OUdS 01/20/25 18:00 EJBU1.910.5 < 0.5 ng/L EPA 533PFDoA01/20/25 18:00 EJBU1.910.5 Surrogate: 13C4-PFBA-SURR 95 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C5-PFPeA-SURR 96 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C3-PFBS-SURR 97 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C2-4:2FTS-SURR 93 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C5-PFHxA-SURR 98 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C3-HFPOA-DA-SURR 97 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C4-PFHpA-SURR 98 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C3-PFHxS-SURR 93 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C2-6:2FTS-SURR 90 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C8-PFOA-SURR 95 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C9-PFNA-SURR 94 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C8-PFOS-SURR 91 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C2-8:2FTS-SURR 86 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C6-PFDA-SURR 87 %50-200 01/20/25 18:00 EJB EPA 533 Surrogate: 13C7-PFUnA-SURR 79 %50-200 01/20/25 18:00 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 6 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-03 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:17 WS004-VALLEY HILLS WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Surrogate: 13C2-PFDoA-SURR 75 %50-200 01/20/25 18:00 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 7 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-05 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:43 WS005-HOSPITAL WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Semivolatile Organics - PFAS - PIA < 0.9 ng/L EPA 533PFBA01/20/25 18:47 EJBU1.910.9 < 0.4 ng/L EPA 533PFMPA01/20/25 18:47 EJBU1.910.4 < 0.5 ng/L EPA 533PFPeA01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533PFBS01/20/25 18:47 EJBU1.910.5 < 0.4 ng/L EPA 533PFMBA01/20/25 18:47 EJBU1.910.4 < 0.5 ng/L EPA 533PFEESA01/20/25 18:47 EJBU1.910.5 < 0.3 ng/L EPA 533HFPO-DA 01/20/25 18:47 EJBU1.910.3 < 0.4 ng/L EPA 533NFDHA01/20/25 18:47 EJBU1.910.4 < 0.3 ng/L EPA 5334:2 FTS 01/20/25 18:47 EJBU1.910.3 < 0.4 ng/L EPA 533PFHxS01/20/25 18:47 EJBU1.910.4 < 0.5 ng/L EPA 533PFHpA01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533PFHxA01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533ADONA01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533PFPeS01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 5336:2 FTS 01/20/25 18:47 EJBU1.910.5 < 0.7 ng/L EPA 533PFOA01/20/25 18:47 EJBU1.910.7 < 0.6 ng/L EPA 533PFHpS01/20/25 18:47 EJBU1.910.6 < 0.5 ng/L EPA 533PFOS01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533PFNA01/20/25 18:47 EJBU1.910.5 < 0.6 ng/L EPA 5339Cl-PF3ONS 01/20/25 18:47 EJBU1.910.6 < 0.5 ng/L EPA 5338:2 FTS 01/20/25 18:47 EJBU1.910.5 < 0.4 ng/L EPA 533PFDA01/20/25 18:47 EJBU1.910.4 < 0.4 ng/L EPA 533PFUnA01/20/25 18:47 EJBU1.910.4 < 0.5 ng/L EPA 53311Cl-PF3OUdS 01/20/25 18:47 EJBU1.910.5 < 0.5 ng/L EPA 533PFDoA01/20/25 18:47 EJBU1.910.5 Surrogate: 13C4-PFBA-SURR 95 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C5-PFPeA-SURR 95 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C3-PFBS-SURR 98 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C2-4:2FTS-SURR 94 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C5-PFHxA-SURR 97 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C3-HFPOA-DA-SURR 96 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C4-PFHpA-SURR 95 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C3-PFHxS-SURR 94 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C2-6:2FTS-SURR 91 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C8-PFOA-SURR 91 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C9-PFNA-SURR 88 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C8-PFOS-SURR 97 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C2-8:2FTS-SURR 92 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C6-PFDA-SURR 85 %50-200 01/20/25 18:47 EJB EPA 533 Surrogate: 13C7-PFUnA-SURR 83 %50-200 01/20/25 18:47 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 8 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IA02639-05 Name: Sampled: Received: 01/16/25 10:33 01/15/25 11:43 WS005-HOSPITAL WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26006 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Surrogate: 13C2-PFDoA-SURR 86 %50-200 01/20/25 18:47 EJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 9 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 QC SAMPLE RESULTS Parameter Spike Result Unit Level Result Source %REC %REC Limits RPD RPD LimitQual Batch B522925 - EPA 533 - EPA 533 Blank (B522925-BLK1)Prepared: 01/17/25 Analyzed: 01/20/25 PFBA < 1.0 ng/L U PFMPA < 0.4 ng/L U PFPeA < 0.5 ng/L U PFBS < 0.5 ng/L U PFMBA < 0.4 ng/L U PFEESA < 0.5 ng/L U HFPO-DA < 0.4 ng/L U NFDHA < 0.5 ng/L U PFHxS < 0.4 ng/L U 4:2 FTS < 0.4 ng/L U PFHpA < 0.6 ng/L U PFHxA < 0.5 ng/L U ADONA < 0.5 ng/L U PFPeS < 0.6 ng/L U 6:2 FTS < 0.5 ng/L U PFOA < 0.7 ng/L U PFHpS < 0.6 ng/L U PFOS < 0.5 ng/L U PFNA < 0.5 ng/L U 9Cl-PF3ONS < 0.7 ng/L U 8:2 FTS < 0.5 ng/L U PFDA < 0.5 ng/L U PFUnA < 0.5 ng/L U 11Cl-PF3OUdS < 0.6 ng/L U PFDoA < 0.5 ng/L U Surrogate: 13C4-PFBA-SURR 37.8 ng/L 40.00 94 50-200 Surrogate: 13C5-PFPeA-SURR 37.5 ng/L 40.00 94 50-200 Surrogate: 13C3-PFBS-SURR 36.8 ng/L 37.28 99 50-200 Surrogate: 13C2-4:2FTS-SURR 141 ng/L 150.4 94 50-200 Surrogate: 13C5-PFHxA-SURR 38.4 ng/L 40.00 96 50-200 Surrogate: 13C3-HFPOA-DA-SURR 37.6 ng/L 40.00 94 50-200 Surrogate: 13C4-PFHpA-SURR 38.1 ng/L 40.00 95 50-200 Surrogate: 13C3-PFHxS-SURR 36.0 ng/L 37.92 95 50-200 Surrogate: 13C2-6:2FTS-SURR 140 ng/L 152.0 92 50-200 Surrogate: 13C8-PFOA-SURR 37.2 ng/L 40.00 93 50-200 Surrogate: 13C9-PFNA-SURR 36.3 ng/L 40.00 91 50-200 Surrogate: 13C8-PFOS-SURR 36.9 ng/L 38.32 96 50-200 Surrogate: 13C2-8:2FTS-SURR 143 ng/L 153.6 93 50-200 Surrogate: 13C6-PFDA-SURR 35.6 ng/L 40.00 89 50-200 Surrogate: 13C7-PFUnA-SURR 34.7 ng/L 40.00 87 50-200 Surrogate: 13C2-PFDoA-SURR 34.5 ng/L 40.00 86 50-200 LCS (B522925-BS1)Prepared: 01/17/25 Analyzed: 01/20/25 PFBA 2 ng/L 2.000 82 70-130J PFMPA 2 ng/L 2.000 87 70-130J www.pacelabs.comCustomer #: 72-106174 Page 10 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 QC SAMPLE RESULTS Parameter Spike Result Unit Level Result Source %REC %REC Limits RPD RPD LimitQual LCS (B522925-BS1)Prepared: 01/17/25 Analyzed: 01/20/25 PFPeA 2 ng/L 2.000 84 70-130J PFBS 2 ng/L 2.000 82 70-130J PFMBA 2 ng/L 2.000 75 70-130J PFEESA 1 ng/L 2.000 74 70-130J HFPO-DA 2 ng/L 2.000 77 70-130J NFDHA 2 ng/L 2.000 80 70-130J PFHxS 2 ng/L 2.000 88 70-130J 4:2 FTS 2 ng/L 2.000 101 70-130 PFHpA 2 ng/L 2.000 77 70-130J PFHxA 2 ng/L 2.000 77 70-130J ADONA 2 ng/L 2.000 75 70-130J PFPeS 2 ng/L 2.000 83 70-130J 6:2 FTS 2 ng/L 2.000 91 70-130J PFOA 2 ng/L 2.000 105 70-130 PFHpS 2 ng/L 2.000 79 70-130J PFOS 2 ng/L 2.000 83 70-130J PFNA 2 ng/L 2.000 98 70-130J 9Cl-PF3ONS 2 ng/L 2.000 77 70-130J 8:2 FTS 2 ng/L 2.000 101 70-130 PFDA 1 ng/L 2.000 74 70-130J PFUnA 2 ng/L 2.000 77 70-130J 11Cl-PF3OUdS 2 ng/L 2.000 77 70-130J PFDoA 2 ng/L 2.000 94 70-130J Surrogate: 13C4-PFBA-SURR 39.1 ng/L 40.00 98 50-200 Surrogate: 13C5-PFPeA-SURR 39.3 ng/L 40.00 98 50-200 Surrogate: 13C3-PFBS-SURR 39.2 ng/L 37.28 105 50-200 Surrogate: 13C2-4:2FTS-SURR 153 ng/L 150.4 102 50-200 Surrogate: 13C5-PFHxA-SURR 40.6 ng/L 40.00 102 50-200 Surrogate: 13C3-HFPOA-DA-SURR 40.2 ng/L 40.00 101 50-200 Surrogate: 13C4-PFHpA-SURR 39.6 ng/L 40.00 99 50-200 Surrogate: 13C3-PFHxS-SURR 38.9 ng/L 37.92 103 50-200 Surrogate: 13C2-6:2FTS-SURR 150 ng/L 152.0 98 50-200 Surrogate: 13C8-PFOA-SURR 37.4 ng/L 40.00 94 50-200 Surrogate: 13C9-PFNA-SURR 34.6 ng/L 40.00 87 50-200 Surrogate: 13C8-PFOS-SURR 39.6 ng/L 38.32 103 50-200 Surrogate: 13C2-8:2FTS-SURR 154 ng/L 153.6 100 50-200 Surrogate: 13C6-PFDA-SURR 31.9 ng/L 40.00 80 50-200 Surrogate: 13C7-PFUnA-SURR 31.9 ng/L 40.00 80 50-200 Surrogate: 13C2-PFDoA-SURR 33.9 ng/L 40.00 85 50-200 Duplicate (B522925-DUP1)Sample: IA02406-01 Prepared: 01/17/25 Analyzed: 01/20/25 PFBA < 0.9 ng/L ND 30U PFMPA < 0.4 ng/L ND 30U PFPeA < 0.5 ng/L ND 30U PFBS < 0.5 ng/L ND 30U PFMBA < 0.4 ng/L ND 30U PFEESA < 0.5 ng/L ND 30U HFPO-DA < 0.3 ng/L ND 30U www.pacelabs.comCustomer #: 72-106174 Page 11 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 QC SAMPLE RESULTS Parameter Spike Result Unit Level Result Source %REC %REC Limits RPD RPD LimitQual Duplicate (B522925-DUP1)Sample: IA02406-01 Prepared: 01/17/25 Analyzed: 01/20/25 NFDHA < 0.4 ng/L ND 30U PFHxS < 0.4 ng/L ND 30U 4:2 FTS < 0.3 ng/L ND 30U PFHpA < 0.5 ng/L ND 30U PFHxA < 0.4 ng/L ND 30U ADONA < 0.5 ng/L ND 30U PFPeS < 0.5 ng/L ND 30U 6:2 FTS < 0.5 ng/L ND 30U PFOA < 0.7 ng/L ND 30U PFHpS < 0.5 ng/L ND 30U PFOS < 0.5 ng/L ND 30U PFNA < 0.5 ng/L ND 30U 9Cl-PF3ONS < 0.6 ng/L ND 30U 8:2 FTS < 0.5 ng/L ND 30U PFDA < 0.4 ng/L ND 30U PFUnA < 0.4 ng/L ND 30U 11Cl-PF3OUdS < 0.5 ng/L ND 30U PFDoA < 0.5 ng/L ND 30U Surrogate: 13C4-PFBA-SURR 33.2 ng/L 36.70 91 50-200 Surrogate: 13C5-PFPeA-SURR 33.2 ng/L 36.70 90 50-200 Surrogate: 13C3-PFBS-SURR 33.1 ng/L 34.20 97 50-200 Surrogate: 13C2-4:2FTS-SURR 128 ng/L 138.0 93 50-200 Surrogate: 13C5-PFHxA-SURR 34.1 ng/L 36.70 93 50-200 Surrogate: 13C3-HFPOA-DA-SURR 33.1 ng/L 36.70 90 50-200 Surrogate: 13C4-PFHpA-SURR 33.0 ng/L 36.70 90 50-200 Surrogate: 13C3-PFHxS-SURR 33.0 ng/L 34.79 95 50-200 Surrogate: 13C2-6:2FTS-SURR 126 ng/L 139.4 90 50-200 Surrogate: 13C8-PFOA-SURR 32.6 ng/L 36.70 89 50-200 Surrogate: 13C9-PFNA-SURR 32.9 ng/L 36.70 90 50-200 Surrogate: 13C8-PFOS-SURR 33.7 ng/L 35.16 96 50-200 Surrogate: 13C2-8:2FTS-SURR 130 ng/L 140.9 92 50-200 Surrogate: 13C6-PFDA-SURR 30.8 ng/L 36.70 84 50-200 Surrogate: 13C7-PFUnA-SURR 30.5 ng/L 36.70 83 50-200 Surrogate: 13C2-PFDoA-SURR 31.7 ng/L 36.70 86 50-200 Matrix Spike (B522925-MS1)Sample: IA02590-01 Prepared: 01/17/25 Analyzed: 01/20/25 PFBA 2 ng/L 1.844 ND 104 70-130 PFMPA 2 ng/L 1.844 ND 98 70-130J PFPeA 2 ng/L 1.844 ND 91 70-130J PFBS 2 ng/L 1.844 ND 87 70-130J PFMBA 2 ng/L 1.844 ND 83 70-130J PFEESA 2 ng/L 1.844 ND 84 70-130J NFDHA 2 ng/L 1.844 ND 89 70-130J HFPO-DA 2 ng/L 1.844 ND 87 70-130J PFHxS 2 ng/L 1.844 ND 95 70-130J 4:2 FTS 2 ng/L 1.844 ND 118 70-130 PFHpA 2 ng/L 1.844 ND 84 70-130J PFHxA 2 ng/L 1.844 ND 88 70-130J www.pacelabs.comCustomer #: 72-106174 Page 12 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 QC SAMPLE RESULTS Parameter Spike Result Unit Level Result Source %REC %REC Limits RPD RPD LimitQual Matrix Spike (B522925-MS1)Sample: IA02590-01 Prepared: 01/17/25 Analyzed: 01/20/25 ADONA 2 ng/L 1.844 ND 84 70-130J PFPeS 2 ng/L 1.844 ND 99 70-130J 6:2 FTS 2 ng/L 1.844 ND 113 70-130 PFOA 2 ng/L 1.844 ND 115 70-130 PFHpS 2 ng/L 1.844 ND 89 70-130J PFOS 2 ng/L 1.844 ND 90 70-130J PFNA 2 ng/L 1.844 ND 111 70-130 9Cl-PF3ONS 2 ng/L 1.844 ND 88 70-130J 8:2 FTS 2 ng/L 1.844 ND 123 70-130 PFDA 2 ng/L 1.844 ND 83 70-130J PFUnA 2 ng/L 1.844 ND 88 70-130J 11Cl-PF3OUdS 2 ng/L 1.844 ND 85 70-130J PFDoA 2 ng/L 1.844 ND 88 70-130J Surrogate: 13C4-PFBA-SURR 35.2 ng/L 36.89 95 50-200 Surrogate: 13C5-PFPeA-SURR 35.3 ng/L 36.89 96 50-200 Surrogate: 13C3-PFBS-SURR 34.7 ng/L 34.38 101 50-200 Surrogate: 13C2-4:2FTS-SURR 136 ng/L 138.7 98 50-200 Surrogate: 13C5-PFHxA-SURR 36.1 ng/L 36.89 98 50-200 Surrogate: 13C3-HFPOA-DA-SURR 34.6 ng/L 36.89 94 50-200 Surrogate: 13C4-PFHpA-SURR 35.4 ng/L 36.89 96 50-200 Surrogate: 13C3-PFHxS-SURR 34.5 ng/L 34.97 99 50-200 Surrogate: 13C2-6:2FTS-SURR 135 ng/L 140.2 96 50-200 Surrogate: 13C8-PFOA-SURR 34.4 ng/L 36.89 93 50-200 Surrogate: 13C9-PFNA-SURR 33.2 ng/L 36.89 90 50-200 Surrogate: 13C8-PFOS-SURR 34.8 ng/L 35.34 98 50-200 Surrogate: 13C2-8:2FTS-SURR 136 ng/L 141.6 96 50-200 Surrogate: 13C6-PFDA-SURR 31.9 ng/L 36.89 86 50-200 Surrogate: 13C7-PFUnA-SURR 31.9 ng/L 36.89 87 50-200 Surrogate: 13C2-PFDoA-SURR 32.8 ng/L 36.89 89 50-200 www.pacelabs.comCustomer #: 72-106174 Page 13 of 17 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 NOTES Specifications regarding method revisions, method modifications, and calculations used for analysis are available upon request. Please contact your project manager. * Not a TNI accredited analyte Certifications CHI - McHenry, IL - 4314-A W. Crystal Lake Road, McHenry, IL 60050 TNI Accreditation for Drinking Water and Wastewater Fields of Testing through IL EPA Accreditation No. 100279 Illinois Department of Public Health Bacterial Analysis in Drinking Water Approved Laboratory Registry No. 17556 PIA - Peoria, IL - 2231 W. Altorfer Drive, Peoria, IL 61615 TNI Accreditation for Drinking Water, Wastewater, Solid and Hazardous Material Fields of Testing through IL EPA Accreditation No. 100230 Illinois Department of Public Health Bacterial Analysis in Drinking Water Approved Laboratory Registry No. 17553 Drinking Water Certifications/Accreditations: Iowa (240); Kansas (E-10338); Missouri (870) Wastewater Certifications/Accreditations: Arkansas (88-0677); Iowa (240); Kansas (E-10338) Solid and Hazardous Material Certifications/Accreditations: Arkansas (88-0677); Iowa (240); Kansas (E-10338) SPMO - Springfield, MO - 1805 W Sunset Street, Springfield, MO 65807 USEPA DMR-QA Program STL - Hazelwood, MO - 944 Anglum Rd, Hazelwood, MO 63042 TNI Accreditation for Wastewater, Solid and Hazardous Material Fields of Testing through KS KDHE Certification No. E-10389 TNI Accreditation for Wastewater, Solid and Hazardous Material Fields of Testing through IL EPA Accreditation No. - 200080 Illinois Department of Public Health Bacterial Analysis in Drinking Water Approved Laboratory, Registry No. 171050 Missouri Department of Natural Resources - Certificate of Approval for Microbiological Laboratory Service - No. 1050 Qualifiers J Estimated value; value between the Method Detection Limit and Method Reporting Limit. U Parameter was analyzed for, but not detected above the reporting limit. Certified by:Janet Clutters, Project Manager www.pacelabs.comCustomer #: 72-106174 Page 14 of 17 Page 15 of 17 Page 16 of 17 Page 17 of 17