DDW-2025-010680

November 03, 2025
Dear John Steffan:
Please find enclosed the analytical results for the 6 sample(s) the laboratory received on 10/22/25 10:15 am and logged
in under work order IJ04405. 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 [e-mail].
Sincerely,
Janet Clutters
Project Manager
[phone] x1743
[e-mail]
John Steffan
Utah Department of Environmental Quality
195 N 1950 W
Salt Lake City, UT 84116
UTAH02007RE:
Peoria, IL 61615
Pace Analytical Services, LLC
2231 W. Altorfer Drive
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 1 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
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
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 3 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-01
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 08:10
SS312-SAMPLING STATION 01 02 DEWEYVILLE
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 0.6 ng/L EPA 533PFBA10/30/25 17:40 EJBU2.010.6
< 0.5 ng/L EPA 533PFMPA10/30/25 17:40 EJBU2.010.5
< 0.4 ng/L EPA 533PFPeA10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533PFBS10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533PFMBA10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533PFEESA10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533HFPO-DA 10/30/25 17:40 EJBU2.010.4
< 0.5 ng/L EPA 533NFDHA10/30/25 17:40 EJBU2.010.5
< 0.5 ng/L EPA 5334:2 FTS 10/30/25 17:40 EJBU2.010.5
< 0.4 ng/L EPA 533PFHxS10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533PFHpA10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 533PFHxA10/30/25 17:40 EJBU2.010.4
< 0.5 ng/L EPA 533ADONA10/30/25 17:40 EJBU2.010.5
< 0.4 ng/L EPA 533PFPeS10/30/25 17:40 EJBU2.010.4
< 0.5 ng/L EPA 5336:2 FTS 10/30/25 17:40 EJBU2.010.5
< 0.7 ng/L EPA 533PFOA10/30/25 17:40 EJBU2.010.7
< 0.5 ng/L EPA 533PFHpS10/30/25 17:40 EJBU2.010.5
< 0.4 ng/L EPA 533PFOS10/30/25 17:40 EJBU2.010.4
< 0.5 ng/L EPA 533PFNA10/30/25 17:40 EJBU2.010.5
0.4 ng/L EPA 5339Cl-PF3ONS 10/30/25 17:40 EJBJ2.010.4
< 0.5 ng/L EPA 5338:2 FTS 10/30/25 17:40 EJBU2.010.5
< 0.5 ng/L EPA 533PFDA10/30/25 17:40 EJBU2.010.5
< 0.4 ng/L EPA 533PFUnA10/30/25 17:40 EJBU2.010.4
< 0.4 ng/L EPA 53311Cl-PF3OUdS 10/30/25 17:40 EJBU2.010.4
< 0.6 ng/L EPA 533PFDoA10/30/25 17:40 EJBU2.010.6
Surrogate: 13C4-PFBA-SURR 101 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C5-PFPeA-SURR 104 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C3-PFBS-SURR 104 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C2-4:2FTS-SURR 105 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C5-PFHxA-SURR 96 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 96 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C4-PFHpA-SURR 98 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C3-PFHxS-SURR 103 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C2-6:2FTS-SURR 114 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C8-PFOA-SURR 94 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C9-PFNA-SURR 94 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C8-PFOS-SURR 101 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C2-8:2FTS-SURR 111 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C6-PFDA-SURR 93 %50-200 10/30/25 17:40 EJB EPA 533
Surrogate: 13C7-PFUnA-SURR 94 %50-200 10/30/25 17:40 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 4 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-01
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 08:10
SS312-SAMPLING STATION 01 02 DEWEYVILLE
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 93 %50-200 10/30/25 17:40 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 5 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-03
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 08:20
WS003-UPPER WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 0.6 ng/L EPA 533PFBA10/30/25 18:27 EJBU1.810.6
< 0.4 ng/L EPA 533PFMPA10/30/25 18:27 EJBU1.810.4
< 0.3 ng/L EPA 533PFPeA10/30/25 18:27 EJBU1.810.3
< 0.3 ng/L EPA 533PFBS10/30/25 18:27 EJBU1.810.3
< 0.4 ng/L EPA 533PFMBA10/30/25 18:27 EJBU1.810.4
< 0.3 ng/L EPA 533PFEESA10/30/25 18:27 EJBU1.810.3
< 0.4 ng/L EPA 533HFPO-DA 10/30/25 18:27 EJBU1.810.4
< 0.5 ng/L EPA 533NFDHA10/30/25 18:27 EJBU1.810.5
< 0.4 ng/L EPA 5334:2 FTS 10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 533PFHxS10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 533PFHpA10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 533PFHxA10/30/25 18:27 EJBU1.810.4
< 0.5 ng/L EPA 533ADONA10/30/25 18:27 EJBU1.810.5
< 0.4 ng/L EPA 533PFPeS10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 5336:2 FTS 10/30/25 18:27 EJBU1.810.4
< 0.6 ng/L EPA 533PFOA10/30/25 18:27 EJBU1.810.6
< 0.4 ng/L EPA 533PFHpS10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 533PFOS10/30/25 18:27 EJBU1.810.4
< 0.5 ng/L EPA 533PFNA10/30/25 18:27 EJBU1.810.5
< 0.3 ng/L EPA 5339Cl-PF3ONS 10/30/25 18:27 EJBU1.810.3
< 0.4 ng/L EPA 5338:2 FTS 10/30/25 18:27 EJBU1.810.4
< 0.4 ng/L EPA 533PFDA10/30/25 18:27 EJBU1.810.4
< 0.3 ng/L EPA 533PFUnA10/30/25 18:27 EJBU1.810.3
< 0.4 ng/L EPA 53311Cl-PF3OUdS 10/30/25 18:27 EJBU1.810.4
< 0.6 ng/L EPA 533PFDoA10/30/25 18:27 EJBU1.810.6
Surrogate: 13C4-PFBA-SURR 96 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C5-PFPeA-SURR 103 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C3-PFBS-SURR 107 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C2-4:2FTS-SURR 107 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C5-PFHxA-SURR 95 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 98 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C4-PFHpA-SURR 96 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C3-PFHxS-SURR 103 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C2-6:2FTS-SURR 110 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C8-PFOA-SURR 90 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C9-PFNA-SURR 92 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C8-PFOS-SURR 103 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C2-8:2FTS-SURR 103 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C6-PFDA-SURR 90 %50-200 10/30/25 18:27 EJB EPA 533
Surrogate: 13C7-PFUnA-SURR 87 %50-200 10/30/25 18:27 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 6 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-03
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 08:20
WS003-UPPER WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 87 %50-200 10/30/25 18:27 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 7 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-05
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 09:10
WS004-LOWER WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 0.6 ng/L EPA 533PFBA10/30/25 19:14 EJBU2.010.6
< 0.5 ng/L EPA 533PFMPA10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 533PFPeA10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533PFBS10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533PFMBA10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533PFEESA10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533HFPO-DA 10/30/25 19:14 EJBU2.010.4
< 0.5 ng/L EPA 533NFDHA10/30/25 19:14 EJBU2.010.5
< 0.5 ng/L EPA 5334:2 FTS 10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 533PFHxS10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533PFHpA10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 533PFHxA10/30/25 19:14 EJBU2.010.4
< 0.5 ng/L EPA 533ADONA10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 533PFPeS10/30/25 19:14 EJBU2.010.4
< 0.5 ng/L EPA 5336:2 FTS 10/30/25 19:14 EJBU2.010.5
< 0.7 ng/L EPA 533PFOA10/30/25 19:14 EJBU2.010.7
< 0.5 ng/L EPA 533PFHpS10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 533PFOS10/30/25 19:14 EJBU2.010.4
< 0.5 ng/L EPA 533PFNA10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 5339Cl-PF3ONS 10/30/25 19:14 EJBU2.010.4
< 0.5 ng/L EPA 5338:2 FTS 10/30/25 19:14 EJBU2.010.5
< 0.5 ng/L EPA 533PFDA10/30/25 19:14 EJBU2.010.5
< 0.4 ng/L EPA 533PFUnA10/30/25 19:14 EJBU2.010.4
< 0.4 ng/L EPA 53311Cl-PF3OUdS 10/30/25 19:14 EJBU2.010.4
< 0.6 ng/L EPA 533PFDoA10/30/25 19:14 EJBU2.010.6
Surrogate: 13C4-PFBA-SURR 99 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C5-PFPeA-SURR 105 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C3-PFBS-SURR 105 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C2-4:2FTS-SURR 105 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C5-PFHxA-SURR 97 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 96 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C4-PFHpA-SURR 99 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C3-PFHxS-SURR 103 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C2-6:2FTS-SURR 108 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C8-PFOA-SURR 92 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C9-PFNA-SURR 91 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C8-PFOS-SURR 97 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C2-8:2FTS-SURR 104 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C6-PFDA-SURR 89 %50-200 10/30/25 19:14 EJB EPA 533
Surrogate: 13C7-PFUnA-SURR 89 %50-200 10/30/25 19:14 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 8 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IJ04405-05
Name:
Sampled:
Received: 10/22/25 10:15
10/21/25 09:10
WS004-LOWER WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH02007
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 90 %50-200 10/30/25 19:14 EJB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 9 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
QC SAMPLE RESULTS
Parameter
Spike
Result Unit Level Result
Source
%REC
%REC
Limits RPD
RPD
LimitQual
Batch B546383 - EPA 533 - EPA 533
Blank (B546383-BLK1)Prepared: 10/24/25 Analyzed: 10/30/25
PFBA < 0.6 ng/L U
PFMPA < 0.5 ng/L U
PFPeA < 0.4 ng/L U
PFBS < 0.4 ng/L U
PFMBA < 0.4 ng/L U
PFEESA < 0.4 ng/L U
NFDHA < 0.5 ng/L U
HFPO-DA < 0.4 ng/L U
PFHxS < 0.4 ng/L U
4:2 FTS < 0.5 ng/L U
PFHxA < 0.4 ng/L U
PFHpA < 0.4 ng/L U
PFPeS < 0.4 ng/L U
ADONA < 0.5 ng/L U
6:2 FTS < 0.5 ng/L U
PFOA < 0.7 ng/L U
PFHpS < 0.5 ng/L U
PFOS < 0.4 ng/L U
PFNA < 0.5 ng/L U
9Cl-PF3ONS < 0.4 ng/L U
8:2 FTS < 0.5 ng/L U
PFDA < 0.5 ng/L U
PFUnA < 0.4 ng/L U
11Cl-PF3OUdS < 0.4 ng/L U
PFDoA < 0.6 ng/L U
Surrogate: 13C4-PFBA-SURR 37.1 ng/L 40.00 93 50-200
Surrogate: 13C5-PFPeA-SURR 39.3 ng/L 40.00 98 50-200
Surrogate: 13C3-PFBS-SURR 37.8 ng/L 37.28 101 50-200
Surrogate: 13C2-4:2FTS-SURR 147 ng/L 150.4 98 50-200
Surrogate: 13C5-PFHxA-SURR 36.6 ng/L 40.00 91 50-200
Surrogate: 13C3-HFPOA-DA-SURR 38.1 ng/L 40.00 95 50-200
Surrogate: 13C4-PFHpA-SURR 37.1 ng/L 40.00 93 50-200
Surrogate: 13C3-PFHxS-SURR 37.1 ng/L 37.92 98 50-200
Surrogate: 13C2-6:2FTS-SURR 157 ng/L 152.0 103 50-200
Surrogate: 13C8-PFOA-SURR 35.1 ng/L 40.00 88 50-200
Surrogate: 13C9-PFNA-SURR 36.0 ng/L 40.00 90 50-200
Surrogate: 13C8-PFOS-SURR 36.8 ng/L 38.32 96 50-200
Surrogate: 13C2-8:2FTS-SURR 152 ng/L 153.6 99 50-200
Surrogate: 13C6-PFDA-SURR 34.5 ng/L 40.00 86 50-200
Surrogate: 13C7-PFUnA-SURR 34.8 ng/L 40.00 87 50-200
Surrogate: 13C2-PFDoA-SURR 37.2 ng/L 40.00 93 50-200
LCS (B546383-BS1)Prepared: 10/24/25 Analyzed: 10/30/25
PFBA 87 ng/L 80.00 109 70-130
PFMPA 82 ng/L 80.00 103 70-130
www.pacelabs.comCustomer #: 72-106174 Page 10 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
QC SAMPLE RESULTS
Parameter
Spike
Result Unit Level Result
Source
%REC
%REC
Limits RPD
RPD
LimitQual
LCS (B546383-BS1)Prepared: 10/24/25 Analyzed: 10/30/25
PFPeA 79 ng/L 80.00 98 70-130
PFBS 76 ng/L 80.00 95 70-130
PFMBA 67 ng/L 80.00 84 70-130
PFEESA 74 ng/L 80.00 93 70-130
NFDHA 76 ng/L 80.00 95 70-130
HFPO-DA 80 ng/L 80.00 100 70-130
PFHxS 80 ng/L 80.00 100 70-130
4:2 FTS 87 ng/L 80.00 109 70-130
PFHpA 79 ng/L 80.00 99 70-130
PFHxA 79 ng/L 80.00 99 70-130
PFPeS 83 ng/L 80.00 104 70-130
ADONA 79 ng/L 80.00 98 70-130
6:2 FTS 85 ng/L 80.00 106 70-130
PFOA 80 ng/L 80.00 100 70-130
PFHpS 75 ng/L 80.00 94 70-130
PFOS 75 ng/L 80.00 94 70-130
PFNA 80 ng/L 80.00 100 70-130
9Cl-PF3ONS 80 ng/L 80.00 100 70-130
8:2 FTS 89 ng/L 80.00 111 70-130
PFDA 78 ng/L 80.00 98 70-130
PFUnA 79 ng/L 80.00 99 70-130
11Cl-PF3OUdS 82 ng/L 80.00 103 70-130
PFDoA 77 ng/L 80.00 97 70-130
Surrogate: 13C4-PFBA-SURR 38.6 ng/L 40.00 97 50-200
Surrogate: 13C5-PFPeA-SURR 41.9 ng/L 40.00 105 50-200
Surrogate: 13C3-PFBS-SURR 38.6 ng/L 37.28 103 50-200
Surrogate: 13C2-4:2FTS-SURR 169 ng/L 150.4 112 50-200
Surrogate: 13C5-PFHxA-SURR 36.4 ng/L 40.00 91 50-200
Surrogate: 13C3-HFPOA-DA-SURR 36.1 ng/L 40.00 90 50-200
Surrogate: 13C4-PFHpA-SURR 37.9 ng/L 40.00 95 50-200
Surrogate: 13C3-PFHxS-SURR 40.2 ng/L 37.92 106 50-200
Surrogate: 13C2-6:2FTS-SURR 182 ng/L 152.0 120 50-200
Surrogate: 13C8-PFOA-SURR 36.6 ng/L 40.00 92 50-200
Surrogate: 13C9-PFNA-SURR 35.6 ng/L 40.00 89 50-200
Surrogate: 13C8-PFOS-SURR 38.3 ng/L 38.32 100 50-200
Surrogate: 13C2-8:2FTS-SURR 168 ng/L 153.6 109 50-200
Surrogate: 13C6-PFDA-SURR 35.9 ng/L 40.00 90 50-200
Surrogate: 13C7-PFUnA-SURR 35.9 ng/L 40.00 90 50-200
Surrogate: 13C2-PFDoA-SURR 37.0 ng/L 40.00 93 50-200
Duplicate (B546383-DUP1)Sample: IJ04405-01 Prepared: 10/24/25 Analyzed: 10/30/25
PFBA < 0.6 ng/L ND 30U
PFMPA < 0.5 ng/L ND 30U
PFPeA < 0.4 ng/L ND 30U
PFBS < 0.4 ng/L ND 30U
PFMBA < 0.4 ng/L ND 30U
PFEESA < 0.4 ng/L ND 30U
NFDHA < 0.5 ng/L ND 30U
www.pacelabs.comCustomer #: 72-106174 Page 11 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
QC SAMPLE RESULTS
Parameter
Spike
Result Unit Level Result
Source
%REC
%REC
Limits RPD
RPD
LimitQual
Duplicate (B546383-DUP1)Sample: IJ04405-01 Prepared: 10/24/25 Analyzed: 10/30/25
HFPO-DA < 0.4 ng/L ND 30U
PFHxS < 0.4 ng/L ND 30U
4:2 FTS < 0.5 ng/L ND 30U
PFHpA < 0.4 ng/L ND 30U
PFHxA < 0.4 ng/L ND 30U
PFPeS < 0.4 ng/L ND 30U
ADONA < 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 < 0.4 ng/L ND 30U
PFNA < 0.5 ng/L ND 30U
9Cl-PF3ONS < 0.4 ng/L 0.4 30U
8:2 FTS < 0.5 ng/L ND 30U
PFDA < 0.5 ng/L ND 30U
PFUnA < 0.4 ng/L ND 30U
11Cl-PF3OUdS < 0.4 ng/L ND 30U
PFDoA < 0.6 ng/L ND 30U
Surrogate: 13C4-PFBA-SURR 39.3 ng/L 39.03 101 50-200
Surrogate: 13C5-PFPeA-SURR 41.7 ng/L 39.03 107 50-200
Surrogate: 13C3-PFBS-SURR 38.3 ng/L 36.38 105 50-200
Surrogate: 13C2-4:2FTS-SURR 146 ng/L 146.8 100 50-200
Surrogate: 13C5-PFHxA-SURR 37.8 ng/L 39.03 97 50-200
Surrogate: 13C3-HFPOA-DA-SURR 39.2 ng/L 39.03 100 50-200
Surrogate: 13C4-PFHpA-SURR 38.4 ng/L 39.03 98 50-200
Surrogate: 13C3-PFHxS-SURR 36.1 ng/L 37.00 98 50-200
Surrogate: 13C2-6:2FTS-SURR 153 ng/L 148.3 103 50-200
Surrogate: 13C8-PFOA-SURR 37.5 ng/L 39.03 96 50-200
Surrogate: 13C9-PFNA-SURR 38.6 ng/L 39.03 99 50-200
Surrogate: 13C8-PFOS-SURR 36.8 ng/L 37.39 98 50-200
Surrogate: 13C2-8:2FTS-SURR 157 ng/L 149.9 105 50-200
Surrogate: 13C6-PFDA-SURR 37.3 ng/L 39.03 96 50-200
Surrogate: 13C7-PFUnA-SURR 37.8 ng/L 39.03 97 50-200
Surrogate: 13C2-PFDoA-SURR 39.5 ng/L 39.03 101 50-200
Matrix Spike (B546383-MS1)Sample: IJ04405-03 Prepared: 10/24/25 Analyzed: 10/30/25
PFBA 87 ng/L 79.81 ND 108 70-130
PFMPA 85 ng/L 79.81 ND 106 70-130
PFPeA 77 ng/L 79.81 ND 96 70-130
PFBS 77 ng/L 79.81 ND 96 70-130
PFMBA 67 ng/L 79.81 ND 84 70-130
PFEESA 75 ng/L 79.81 ND 93 70-130
HFPO-DA 74 ng/L 79.81 ND 93 70-130
NFDHA 77 ng/L 79.81 ND 97 70-130
PFHxS 82 ng/L 79.81 ND 103 70-130
4:2 FTS 89 ng/L 79.81 ND 112 70-130
PFHxA 81 ng/L 79.81 ND 101 70-130
PFHpA 81 ng/L 79.81 ND 101 70-130
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Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
QC SAMPLE RESULTS
Parameter
Spike
Result Unit Level Result
Source
%REC
%REC
Limits RPD
RPD
LimitQual
Matrix Spike (B546383-MS1)Sample: IJ04405-03 Prepared: 10/24/25 Analyzed: 10/30/25
PFPeS 88 ng/L 79.81 ND 110 70-130
ADONA 82 ng/L 79.81 ND 102 70-130
6:2 FTS 83 ng/L 79.81 ND 104 70-130
PFOA 80 ng/L 79.81 ND 101 70-130
PFHpS 76 ng/L 79.81 ND 95 70-130
PFOS 76 ng/L 79.81 ND 95 70-130
PFNA 79 ng/L 79.81 ND 99 70-130
9Cl-PF3ONS 81 ng/L 79.81 ND 102 70-130
8:2 FTS 89 ng/L 79.81 ND 111 70-130
PFDA 79 ng/L 79.81 ND 98 70-130
PFUnA 79 ng/L 79.81 ND 99 70-130
11Cl-PF3OUdS 82 ng/L 79.81 ND 103 70-130
PFDoA 80 ng/L 79.81 ND 101 70-130
Surrogate: 13C4-PFBA-SURR 39.4 ng/L 39.90 99 50-200
Surrogate: 13C5-PFPeA-SURR 43.9 ng/L 39.90 110 50-200
Surrogate: 13C3-PFBS-SURR 37.6 ng/L 37.19 101 50-200
Surrogate: 13C2-4:2FTS-SURR 167 ng/L 150.0 111 50-200
Surrogate: 13C5-PFHxA-SURR 37.4 ng/L 39.90 94 50-200
Surrogate: 13C3-HFPOA-DA-SURR 38.5 ng/L 39.90 97 50-200
Surrogate: 13C4-PFHpA-SURR 37.1 ng/L 39.90 93 50-200
Surrogate: 13C3-PFHxS-SURR 37.2 ng/L 37.83 98 50-200
Surrogate: 13C2-6:2FTS-SURR 175 ng/L 151.6 115 50-200
Surrogate: 13C8-PFOA-SURR 37.2 ng/L 39.90 93 50-200
Surrogate: 13C9-PFNA-SURR 36.9 ng/L 39.90 93 50-200
Surrogate: 13C8-PFOS-SURR 36.5 ng/L 38.23 96 50-200
Surrogate: 13C2-8:2FTS-SURR 161 ng/L 153.2 105 50-200
Surrogate: 13C6-PFDA-SURR 34.7 ng/L 39.90 87 50-200
Surrogate: 13C7-PFUnA-SURR 34.3 ng/L 39.90 86 50-200
Surrogate: 13C2-PFDoA-SURR 35.0 ng/L 39.90 88 50-200
www.pacelabs.comCustomer #: 72-106174 Page 13 of 17
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
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
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