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DDW-2025-009455
September 23, 2025 Dear John Steffan: Please find enclosed the analytical results for the 4 sample(s) the laboratory received on 8/26/25 9:50 am and logged in under work order IH04888. 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 UTAH26052RE: Peoria, IL 61615 Pace Analytical Services, LLC 2231 W. Altorfer Drive (800)752-6651 www.pacelabs.comCustomer #: 72-106174 Page 1 of 14 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-NOT RELINQUISHED 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 14 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 www.pacelabs.comCustomer #: 72-106174 Page 3 of 14 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IH04888-01 Name: Sampled: Received: 08/26/25 09:50 08/25/25 05:50 WS001-RIVER WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26052 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Semivolatile Organics - PFAS - PIA < 1.0 ng/L EPA 533PFBA09/15/25 01:47 DJBU2.011.0 < 0.4 ng/L EPA 533PFMPA09/15/25 01:47 DJBU2.010.4 < 0.5 ng/L EPA 533PFPeA09/15/25 01:47 DJBU2.010.5 < 0.5 ng/L EPA 533PFBS09/15/25 01:47 DJBU2.010.5 < 0.4 ng/L EPA 533PFMBA09/15/25 01:47 DJBU2.010.4 < 0.5 ng/L EPA 533PFEESA09/15/25 01:47 DJBU2.010.5 < 0.4 ng/L EPA 533HFPO-DA 09/15/25 01:47 DJBU2.010.4 < 0.5 ng/L EPA 533NFDHA09/15/25 01:47 DJBU2.010.5 < 0.4 ng/L EPA 5334:2 FTS 09/15/25 01:47 DJBU2.010.4 < 0.4 ng/L EPA 533PFHxS09/15/25 01:47 DJBU2.010.4 < 0.6 ng/L EPA 533PFHpA09/15/25 01:47 DJBU2.010.6 < 1.0 ng/L EPA 533PFHxA09/15/25 01:47 DJBU2.011.0 < 0.5 ng/L EPA 533ADONA09/15/25 01:47 DJBU2.010.5 < 0.6 ng/L EPA 533PFPeS09/15/25 01:47 DJBU2.010.6 < 0.5 ng/L EPA 5336:2 FTS 09/15/25 01:47 DJBU2.010.5 < 0.7 ng/L EPA 533PFOA09/15/25 01:47 DJBU2.010.7 < 0.6 ng/L EPA 533PFHpS09/15/25 01:47 DJBU2.010.6 < 0.5 ng/L EPA 533PFOS09/15/25 01:47 DJBU2.010.5 < 0.5 ng/L EPA 533PFNA09/15/25 01:47 DJBU2.010.5 < 0.7 ng/L EPA 5339Cl-PF3ONS 09/15/25 01:47 DJBU2.010.7 < 0.5 ng/L EPA 5338:2 FTS 09/15/25 01:47 DJBU2.010.5 < 0.5 ng/L EPA 533PFDA09/15/25 01:47 DJBU2.010.5 < 0.5 ng/L EPA 533PFUnA09/15/25 01:47 DJBU2.010.5 < 0.6 ng/L EPA 53311Cl-PF3OUdS 09/15/25 01:47 DJBU2.010.6 < 0.6 ng/L EPA 533PFDoA09/15/25 01:47 DJBU2.010.6 Surrogate: 13C4-PFBA-SURR 94 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C5-PFPeA-SURR 103 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C3-PFBS-SURR 102 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C2-4:2FTS-SURR 107 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C5-PFHxA-SURR 99 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C3-HFPOA-DA-SURR 94 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C4-PFHpA-SURR 89 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C3-PFHxS-SURR 96 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C2-6:2FTS-SURR 106 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C8-PFOA-SURR 88 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C9-PFNA-SURR 78 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C8-PFOS-SURR 91 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C2-8:2FTS-SURR 108 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C6-PFDA-SURR 72 %50-200 09/15/25 01:47 DJB EPA 533 Surrogate: 13C7-PFUnA-SURR 69 %50-200 09/15/25 01:47 DJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 4 of 14 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IH04888-01 Name: Sampled: Received: 08/26/25 09:50 08/25/25 05:50 WS001-RIVER WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26052 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Surrogate: 13C2-PFDoA-SURR 74 %50-200 09/15/25 01:47 DJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 5 of 14 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IH04888-03 Name: Sampled: Received: 08/26/25 09:50 08/21/25 12:23 WS003-BENCH WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26052 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Semivolatile Organics - PFAS - PIA < 0.9 ng/L EPA 533PFBA09/15/25 02:34 DJBU1.910.9 < 0.4 ng/L EPA 533PFMPA09/15/25 02:34 DJBU1.910.4 < 0.5 ng/L EPA 533PFPeA09/15/25 02:34 DJBU1.910.5 < 0.5 ng/L EPA 533PFBS09/15/25 02:34 DJBU1.910.5 < 0.4 ng/L EPA 533PFMBA09/15/25 02:34 DJBU1.910.4 < 0.5 ng/L EPA 533PFEESA09/15/25 02:34 DJBU1.910.5 < 0.3 ng/L EPA 533HFPO-DA 09/15/25 02:34 DJBU1.910.3 < 0.4 ng/L EPA 533NFDHA09/15/25 02:34 DJBU1.910.4 < 0.3 ng/L EPA 5334:2 FTS 09/15/25 02:34 DJBU1.910.3 < 0.4 ng/L EPA 533PFHxS09/15/25 02:34 DJBU1.910.4 < 0.5 ng/L EPA 533PFHpA09/15/25 02:34 DJBU1.910.5 < 1.0 ng/L EPA 533PFHxA09/15/25 02:34 DJBU1.911.0 < 0.5 ng/L EPA 533ADONA09/15/25 02:34 DJBU1.910.5 < 0.5 ng/L EPA 533PFPeS09/15/25 02:34 DJBU1.910.5 < 0.5 ng/L EPA 5336:2 FTS 09/15/25 02:34 DJBU1.910.5 < 0.7 ng/L EPA 533PFOA09/15/25 02:34 DJBU1.910.7 < 0.6 ng/L EPA 533PFHpS09/15/25 02:34 DJBU1.910.6 < 0.5 ng/L EPA 533PFOS09/15/25 02:34 DJBU1.910.5 < 0.5 ng/L EPA 533PFNA09/15/25 02:34 DJBU1.910.5 < 0.6 ng/L EPA 5339Cl-PF3ONS 09/15/25 02:34 DJBU1.910.6 < 0.5 ng/L EPA 5338:2 FTS 09/15/25 02:34 DJBU1.910.5 < 0.4 ng/L EPA 533PFDA09/15/25 02:34 DJBU1.910.4 < 0.4 ng/L EPA 533PFUnA09/15/25 02:34 DJBU1.910.4 < 0.5 ng/L EPA 53311Cl-PF3OUdS 09/15/25 02:34 DJBU1.910.5 < 0.5 ng/L EPA 533PFDoA09/15/25 02:34 DJBU1.910.5 Surrogate: 13C4-PFBA-SURR 95 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C5-PFPeA-SURR 98 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C3-PFBS-SURR 102 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C2-4:2FTS-SURR 105 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C5-PFHxA-SURR 96 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C3-HFPOA-DA-SURR 94 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C4-PFHpA-SURR 88 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C3-PFHxS-SURR 97 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C2-6:2FTS-SURR 104 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C8-PFOA-SURR 85 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C9-PFNA-SURR 75 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C8-PFOS-SURR 96 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C2-8:2FTS-SURR 102 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C6-PFDA-SURR 62 %50-200 09/15/25 02:34 DJB EPA 533 Surrogate: 13C7-PFUnA-SURR 55 %50-200 09/15/25 02:34 DJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 6 of 14 Pace Analytical Services, LLC 2231 W. Altorfer Drive Peoria, IL 61615 (800)752-6651 ANALYTICAL RESULTS Sample: IH04888-03 Name: Sampled: Received: 08/26/25 09:50 08/21/25 12:23 WS003-BENCH WELL Reg ID:Drinking Water - Regular SampleMatrix:UTAH26052 MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL Surrogate: 13C2-PFDoA-SURR 61 %50-200 09/15/25 02:34 DJB EPA 533 www.pacelabs.comCustomer #: 72-106174 Page 7 of 14 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 B541423 - EPA 533 - EPA 533 Blank (B541423-BLK1)Prepared: 08/27/25 Analyzed: 09/14/25 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 < 1.0 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 < 0.6 ng/L U Surrogate: 13C4-PFBA-SURR 39.0 ng/L 40.00 98 50-200 Surrogate: 13C5-PFPeA-SURR 41.2 ng/L 40.00 103 50-200 Surrogate: 13C3-PFBS-SURR 38.8 ng/L 37.28 104 50-200 Surrogate: 13C2-4:2FTS-SURR 162 ng/L 150.4 108 50-200 Surrogate: 13C5-PFHxA-SURR 40.7 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 37.8 ng/L 40.00 94 50-200 Surrogate: 13C3-PFHxS-SURR 37.5 ng/L 37.92 99 50-200 Surrogate: 13C2-6:2FTS-SURR 162 ng/L 152.0 106 50-200 Surrogate: 13C8-PFOA-SURR 37.9 ng/L 40.00 95 50-200 Surrogate: 13C9-PFNA-SURR 37.5 ng/L 40.00 94 50-200 Surrogate: 13C8-PFOS-SURR 36.2 ng/L 38.32 95 50-200 Surrogate: 13C2-8:2FTS-SURR 164 ng/L 153.6 107 50-200 Surrogate: 13C6-PFDA-SURR 37.3 ng/L 40.00 93 50-200 Surrogate: 13C7-PFUnA-SURR 34.7 ng/L 40.00 87 50-200 Surrogate: 13C2-PFDoA-SURR 35.0 ng/L 40.00 88 50-200 LCS (B541423-BS1)Prepared: 08/27/25 Analyzed: 09/14/25 PFBA 2 ng/L 2.000 89 70-130J PFMPA 2 ng/L 2.000 82 70-130J www.pacelabs.comCustomer #: 72-106174 Page 8 of 14 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 (B541423-BS1)Prepared: 08/27/25 Analyzed: 09/14/25 PFPeA 2 ng/L 2.000 80 70-130J PFBS 2 ng/L 2.000 76 70-130J PFMBA 1 ng/L 2.000 65 70-130J PFEESA 1 ng/L 2.000 71 70-130J NFDHA 1 ng/L 2.000 70 70-130J HFPO-DA 1 ng/L 2.000 71 70-130J 4:2 FTS 2 ng/L 2.000 90 70-130J PFHxS 2 ng/L 2.000 76 70-130J PFHpA 1 ng/L 2.000 70 70-130J PFHxA 2 ng/L 2.000 77 70-130J ADONA 1 ng/L 2.000 75 70-130J PFPeS 2 ng/L 2.000 79 70-130J 6:2 FTS 2 ng/L 2.000 91 70-130J PFOA 2 ng/L 2.000 87 70-130J PFHpS 2 ng/L 2.000 92 70-130J PFOS 2 ng/L 2.000 81 70-130J PFNA 2 ng/L 2.000 77 70-130J 9Cl-PF3ONS 1 ng/L 2.000 75 70-130J 8:2 FTS 2 ng/L 2.000 98 70-130J PFDA 1 ng/L 2.000 74 70-130J PFUnA 1 ng/L 2.000 70 70-130J 11Cl-PF3OUdS 1 ng/L 2.000 73 70-130J PFDoA 1 ng/L 2.000 70 70-130J Surrogate: 13C4-PFBA-SURR 38.3 ng/L 40.00 96 50-200 Surrogate: 13C5-PFPeA-SURR 40.7 ng/L 40.00 102 50-200 Surrogate: 13C3-PFBS-SURR 38.7 ng/L 37.28 104 50-200 Surrogate: 13C2-4:2FTS-SURR 162 ng/L 150.4 108 50-200 Surrogate: 13C5-PFHxA-SURR 39.7 ng/L 40.00 99 50-200 Surrogate: 13C3-HFPOA-DA-SURR 38.0 ng/L 40.00 95 50-200 Surrogate: 13C4-PFHpA-SURR 35.8 ng/L 40.00 89 50-200 Surrogate: 13C3-PFHxS-SURR 37.8 ng/L 37.92 100 50-200 Surrogate: 13C2-6:2FTS-SURR 162 ng/L 152.0 107 50-200 Surrogate: 13C8-PFOA-SURR 35.9 ng/L 40.00 90 50-200 Surrogate: 13C9-PFNA-SURR 34.6 ng/L 40.00 87 50-200 Surrogate: 13C8-PFOS-SURR 35.5 ng/L 38.32 93 50-200 Surrogate: 13C2-8:2FTS-SURR 162 ng/L 153.6 105 50-200 Surrogate: 13C6-PFDA-SURR 33.8 ng/L 40.00 85 50-200 Surrogate: 13C7-PFUnA-SURR 30.0 ng/L 40.00 75 50-200 Surrogate: 13C2-PFDoA-SURR 30.7 ng/L 40.00 77 50-200 Matrix Spike (B541423-MS1)Sample: IH04378-03 Prepared: 08/27/25 Analyzed: 09/14/25 PFBA 4 ng/L 1.998 2 88 70-130 PFMPA 2 ng/L 1.998 ND 101 70-130 PFPeA 2 ng/L 1.998 ND 97 70-130J PFBS 3 ng/L 1.998 2 62 70-130 PFMBA 1 ng/L 1.998 ND 63 70-130J PFEESA 1 ng/L 1.998 ND 71 70-130J NFDHA 1 ng/L 1.998 ND 65 70-130J www.pacelabs.comCustomer #: 72-106174 Page 9 of 14 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 (B541423-MS1)Sample: IH04378-03 Prepared: 08/27/25 Analyzed: 09/14/25 HFPO-DA 1 ng/L 1.998 ND 74 70-130J PFHxS 2 ng/L 1.998 0.5 74 70-130 4:2 FTS 2 ng/L 1.998 ND 91 70-130J PFHpA 2 ng/L 1.998 ND 79 70-130J PFHxA 2 ng/L 1.998 ND 83 70-130J PFPeS 2 ng/L 1.998 ND 84 70-130J ADONA 1 ng/L 1.998 ND 72 70-130J 6:2 FTS 2 ng/L 1.998 ND 91 70-130J PFOA 2 ng/L 1.998 ND 105 70-130 PFHpS 2 ng/L 1.998 ND 101 70-130 PFOS 3 ng/L 1.998 2 49 70-130Q1 PFNA 2 ng/L 1.998 0.7 63 70-130 9Cl-PF3ONS 2 ng/L 1.998 ND 76 70-130J 8:2 FTS 2 ng/L 1.998 1 33 70-130Q1, J PFDA 2 ng/L 1.998 0.6 48 70-130Q1, J PFUnA 1 ng/L 1.998 0.6 38 70-130Q1, J 11Cl-PF3OUdS 2 ng/L 1.998 ND 78 70-130J PFDoA 1 ng/L 1.998 ND 67 70-130J Surrogate: 13C4-PFBA-SURR 38.4 ng/L 39.97 96 50-200 Surrogate: 13C5-PFPeA-SURR 54.1 ng/L 39.97 135 50-200 Surrogate: 13C3-PFBS-SURR 39.5 ng/L 37.25 106 50-200 Surrogate: 13C2-4:2FTS-SURR 173 ng/L 150.3 115 50-200 Surrogate: 13C5-PFHxA-SURR 40.3 ng/L 39.97 101 50-200 Surrogate: 13C3-HFPOA-DA-SURR 38.4 ng/L 39.97 96 50-200 Surrogate: 13C4-PFHpA-SURR 36.1 ng/L 39.97 90 50-200 Surrogate: 13C3-PFHxS-SURR 38.2 ng/L 37.89 101 50-200 Surrogate: 13C2-6:2FTS-SURR 173 ng/L 151.9 114 50-200 Surrogate: 13C8-PFOA-SURR 36.1 ng/L 39.97 90 50-200 Surrogate: 13C9-PFNA-SURR 33.3 ng/L 39.97 83 50-200 Surrogate: 13C8-PFOS-SURR 36.5 ng/L 38.29 95 50-200 Surrogate: 13C2-8:2FTS-SURR 172 ng/L 153.5 112 50-200 Surrogate: 13C6-PFDA-SURR 31.4 ng/L 39.97 79 50-200 Surrogate: 13C7-PFUnA-SURR 30.9 ng/L 39.97 77 50-200 Surrogate: 13C2-PFDoA-SURR 34.0 ng/L 39.97 85 50-200 www.pacelabs.comCustomer #: 72-106174 Page 10 of 14 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. Q1 Matrix Spike failed % recovery acceptance limits. The associated blank spike recovery was acceptable. U Parameter was analyzed for, but not detected above the reporting limit. Certified by:Janet Clutters, Project Manager www.pacelabs.comCustomer #: 72-106174 Page 11 of 14 Page 12 of 14 Page 13 of 14 Page 14 of 14