DDW-2025-006179

June 18, 2025
Dear John Steffan:
Please find enclosed the analytical results for the 2 sample(s) the laboratory received on 6/6/25 9:15 am and logged in
under work order IF01591. 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
UTAH09006RE:
Peoria, IL 61615
Pace Analytical Services, LLC
2231 W. Altorfer Drive
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 1 of 21
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-DATE/TIME PROVIDED BY CLIENT VIA EMAIL 06/09/2025-DATE/TIME OF COLLECTION IS SAME AS
RELINQUISHED DATE/TIME PER OPERATOR
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 21
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 3 of 21
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IF01591-01
Name:
Sampled:
Received: 06/06/25 09:15
06/03/25 07:00
TP004-IRON REMOVAL BUILDING
Reg ID:Drinking Water - Regular SampleMatrix:UTAH09006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
2.0 ng/L EPA 533PFBA06/11/25 17:49 PSBJ2.011.0
< 0.4 ng/L EPA 533PFMPA06/11/25 17:49 PSBU2.010.4
< 0.5 ng/L EPA 533PFPeA06/11/25 17:49 PSBU2.010.5
< 0.5 ng/L EPA 533PFBS06/11/25 17:49 PSBU2.010.5
< 0.4 ng/L EPA 533PFMBA06/11/25 17:49 PSBU2.010.4
< 0.5 ng/L EPA 533PFEESA06/11/25 17:49 PSBU2.010.5
< 0.4 ng/L EPA 533HFPO-DA 06/11/25 17:49 PSBU2.010.4
< 0.5 ng/L EPA 533NFDHA06/11/25 17:49 PSBU2.010.5
< 0.4 ng/L EPA 5334:2 FTS 06/11/25 17:49 PSBU2.010.4
0.5 ng/L EPA 533PFHxS06/11/25 17:49 PSBJ2.010.4
< 0.6 ng/L EPA 533PFHpA06/11/25 17:49 PSBU2.010.6
< 1.0 ng/L EPA 533PFHxA06/11/25 17:49 PSBU2.011.0
< 0.5 ng/L EPA 533ADONA06/11/25 17:49 PSBU2.010.5
< 0.6 ng/L EPA 533PFPeS06/11/25 17:49 PSBU2.010.6
< 0.5 ng/L EPA 5336:2 FTS 06/11/25 17:49 PSBU2.010.5
< 0.7 ng/L EPA 533PFOA06/11/25 17:49 PSBU2.010.7
< 0.6 ng/L EPA 533PFHpS06/11/25 17:49 PSBU2.010.6
< 0.5 ng/L EPA 533PFOS06/11/25 17:49 PSBU2.010.5
< 0.5 ng/L EPA 533PFNA06/11/25 17:49 PSBU2.010.5
< 0.7 ng/L EPA 5339Cl-PF3ONS 06/11/25 17:49 PSBU2.010.7
< 0.5 ng/L EPA 5338:2 FTS 06/11/25 17:49 PSBU2.010.5
< 0.5 ng/L EPA 533PFDA06/11/25 17:49 PSBU2.010.5
< 0.5 ng/L EPA 533PFUnA06/11/25 17:49 PSBU2.010.5
< 0.6 ng/L EPA 53311Cl-PF3OUdS 06/11/25 17:49 PSBU2.010.6
< 0.6 ng/L EPA 533PFDoA06/11/25 17:49 PSBU2.010.6
Surrogate: 13C4-PFBA-SURR 93 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C5-PFPeA-SURR 127 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C3-PFBS-SURR 97 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C2-4:2FTS-SURR 89 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C5-PFHxA-SURR 97 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 102 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C4-PFHpA-SURR 98 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C3-PFHxS-SURR 95 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C2-6:2FTS-SURR 89 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C8-PFOA-SURR 92 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C9-PFNA-SURR 93 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C8-PFOS-SURR 95 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C2-8:2FTS-SURR 89 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C6-PFDA-SURR 81 %50-200 06/11/25 17:49 PSB EPA 533
Surrogate: 13C7-PFUnA-SURR 73 %50-200 06/11/25 17:49 PSB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 4 of 21
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IF01591-01
Name:
Sampled:
Received: 06/06/25 09:15
06/03/25 07:00
TP004-IRON REMOVAL BUILDING
Reg ID:Drinking Water - Regular SampleMatrix:UTAH09006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 79 %50-200 06/11/25 17:49 PSB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 5 of 21
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IF01591-02
Name:
Sampled:
Received: 06/06/25 09:15
06/03/25 07:00
FRB-TP004-IRON REMOVAL BUILDING
Reg ID:Water - Field BlankMatrix:UTAH09006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 1.0 ng/L EPA 533PFBA06/12/25 18:50 MAB3U2.011.0
< 0.4 ng/L EPA 533PFMPA06/12/25 18:50 MAB3U2.010.4
< 0.5 ng/L EPA 533PFPeA06/12/25 18:50 MAB3U2.010.5
< 0.5 ng/L EPA 533PFBS06/12/25 18:50 MAB3U2.010.5
< 0.4 ng/L EPA 533PFMBA06/12/25 18:50 MAB3U2.010.4
< 0.5 ng/L EPA 533PFEESA06/12/25 18:50 MAB3U2.010.5
< 0.4 ng/L EPA 533HFPO-DA 06/12/25 18:50 MAB3U2.010.4
< 0.5 ng/L EPA 533NFDHA06/12/25 18:50 MAB3U2.010.5
< 0.4 ng/L EPA 5334:2 FTS 06/12/25 18:50 MAB3U2.010.4
< 0.4 ng/L EPA 533PFHxS06/12/25 18:50 MAB3U2.010.4
< 0.6 ng/L EPA 533PFHpA06/12/25 18:50 MAB3U2.010.6
< 0.5 ng/L EPA 533PFHxA06/12/25 18:50 MAB3U2.010.5
< 0.5 ng/L EPA 533ADONA06/12/25 18:50 MAB3U2.010.5
< 0.6 ng/L EPA 533PFPeS06/12/25 18:50 MAB3U2.010.6
< 0.5 ng/L EPA 5336:2 FTS 06/12/25 18:50 MAB3U2.010.5
< 0.7 ng/L EPA 533PFOA06/12/25 18:50 MAB3U2.010.7
< 0.6 ng/L EPA 533PFHpS06/12/25 18:50 MAB3U2.010.6
< 0.5 ng/L EPA 533PFOS06/12/25 18:50 MAB3U2.010.5
< 0.5 ng/L EPA 533PFNA06/12/25 18:50 MAB3U2.010.5
< 0.7 ng/L EPA 5339Cl-PF3ONS 06/12/25 18:50 MAB3U2.010.7
< 0.5 ng/L EPA 5338:2 FTS 06/12/25 18:50 MAB3U2.010.5
< 0.5 ng/L EPA 533PFDA06/12/25 18:50 MAB3U2.010.5
< 0.5 ng/L EPA 533PFUnA06/12/25 18:50 MAB3U2.010.5
< 0.6 ng/L EPA 53311Cl-PF3OUdS 06/12/25 18:50 MAB3U2.010.6
0.6 ng/L EPA 533PFDoA06/12/25 18:50 MAB3J2.010.5
Surrogate: 13C4-PFBA-SURR 93 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C5-PFPeA-SURR 99 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C3-PFBS-SURR 95 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C2-4:2FTS-SURR 85 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C5-PFHxA-SURR 97 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 102 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C4-PFHpA-SURR 97 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C3-PFHxS-SURR 96 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C2-6:2FTS-SURR 85 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C8-PFOA-SURR 95 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C9-PFNA-SURR 98 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C8-PFOS-SURR 99 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C2-8:2FTS-SURR 92 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C6-PFDA-SURR 85 %50-200 06/12/25 18:50 MAB3 EPA 533
Surrogate: 13C7-PFUnA-SURR 77 %50-200 06/12/25 18:50 MAB3 EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 6 of 21
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IF01591-02
Name:
Sampled:
Received: 06/06/25 09:15
06/03/25 07:00
FRB-TP004-IRON REMOVAL BUILDING
Reg ID:Water - Field BlankMatrix:UTAH09006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 88 %50-200 06/12/25 18:50 MAB3 EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 7 of 21
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 B535036 - EPA 533 - EPA 533
Blank (B535036-BLK1)Prepared: 06/10/25 Analyzed: 06/11/25
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
NFDHA < 0.5 ng/L U
HFPO-DA < 0.4 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
PFPeS < 0.6 ng/L U
ADONA < 0.5 ng/L U
6:2 FTS < 0.5 ng/L U
PFOA < 0.7 ng/L U
PFHpS < 0.6 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 36.9 ng/L 40.00 92 50-200
Surrogate: 13C5-PFPeA-SURR 37.5 ng/L 40.00 94 50-200
Surrogate: 13C3-PFBS-SURR 34.9 ng/L 37.28 94 50-200
Surrogate: 13C2-4:2FTS-SURR 128 ng/L 150.4 85 50-200
Surrogate: 13C5-PFHxA-SURR 37.1 ng/L 40.00 93 50-200
Surrogate: 13C3-HFPOA-DA-SURR 40.2 ng/L 40.00 101 50-200
Surrogate: 13C4-PFHpA-SURR 38.2 ng/L 40.00 96 50-200
Surrogate: 13C3-PFHxS-SURR 35.8 ng/L 37.92 94 50-200
Surrogate: 13C2-6:2FTS-SURR 128 ng/L 152.0 84 50-200
Surrogate: 13C8-PFOA-SURR 35.1 ng/L 40.00 88 50-200
Surrogate: 13C9-PFNA-SURR 36.2 ng/L 40.00 90 50-200
Surrogate: 13C8-PFOS-SURR 36.9 ng/L 38.32 96 50-200
Surrogate: 13C2-8:2FTS-SURR 131 ng/L 153.6 85 50-200
Surrogate: 13C6-PFDA-SURR 34.3 ng/L 40.00 86 50-200
Surrogate: 13C7-PFUnA-SURR 34.0 ng/L 40.00 85 50-200
Surrogate: 13C2-PFDoA-SURR 35.7 ng/L 40.00 89 50-200
Blank (B535036-BLK2)Prepared: 06/10/25 Analyzed: 06/11/25
PFBA < 1.0 ng/L U
PFMPA < 0.4 ng/L U
www.pacelabs.comCustomer #: 72-106174 Page 8 of 21
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
Blank (B535036-BLK2)Prepared: 06/10/25 Analyzed: 06/11/25
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 37.4 ng/L 40.00 94 50-200
Surrogate: 13C5-PFPeA-SURR 38.0 ng/L 40.00 95 50-200
Surrogate: 13C3-PFBS-SURR 36.3 ng/L 37.28 97 50-200
Surrogate: 13C2-4:2FTS-SURR 130 ng/L 150.4 86 50-200
Surrogate: 13C5-PFHxA-SURR 40.0 ng/L 40.00 100 50-200
Surrogate: 13C3-HFPOA-DA-SURR 41.9 ng/L 40.00 105 50-200
Surrogate: 13C4-PFHpA-SURR 39.4 ng/L 40.00 98 50-200
Surrogate: 13C3-PFHxS-SURR 36.6 ng/L 37.92 97 50-200
Surrogate: 13C2-6:2FTS-SURR 132 ng/L 152.0 87 50-200
Surrogate: 13C8-PFOA-SURR 36.8 ng/L 40.00 92 50-200
Surrogate: 13C9-PFNA-SURR 36.2 ng/L 40.00 91 50-200
Surrogate: 13C8-PFOS-SURR 38.2 ng/L 38.32 100 50-200
Surrogate: 13C2-8:2FTS-SURR 135 ng/L 153.6 88 50-200
Surrogate: 13C6-PFDA-SURR 32.7 ng/L 40.00 82 50-200
Surrogate: 13C7-PFUnA-SURR 30.3 ng/L 40.00 76 50-200
Surrogate: 13C2-PFDoA-SURR 32.9 ng/L 40.00 82 50-200
Blank (B535036-BLK3)Prepared: 06/10/25 Analyzed: 06/11/25
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
NFDHA < 0.5 ng/L U
www.pacelabs.comCustomer #: 72-106174 Page 9 of 21
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
Blank (B535036-BLK3)Prepared: 06/10/25 Analyzed: 06/11/25
HFPO-DA < 0.4 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 36.7 ng/L 40.00 92 50-200
Surrogate: 13C5-PFPeA-SURR 37.4 ng/L 40.00 93 50-200
Surrogate: 13C3-PFBS-SURR 35.8 ng/L 37.28 96 50-200
Surrogate: 13C2-4:2FTS-SURR 129 ng/L 150.4 85 50-200
Surrogate: 13C5-PFHxA-SURR 38.8 ng/L 40.00 97 50-200
Surrogate: 13C3-HFPOA-DA-SURR 40.9 ng/L 40.00 102 50-200
Surrogate: 13C4-PFHpA-SURR 38.7 ng/L 40.00 97 50-200
Surrogate: 13C3-PFHxS-SURR 35.8 ng/L 37.92 95 50-200
Surrogate: 13C2-6:2FTS-SURR 130 ng/L 152.0 86 50-200
Surrogate: 13C8-PFOA-SURR 34.6 ng/L 40.00 87 50-200
Surrogate: 13C9-PFNA-SURR 34.5 ng/L 40.00 86 50-200
Surrogate: 13C8-PFOS-SURR 37.1 ng/L 38.32 97 50-200
Surrogate: 13C2-8:2FTS-SURR 135 ng/L 153.6 88 50-200
Surrogate: 13C6-PFDA-SURR 31.8 ng/L 40.00 79 50-200
Surrogate: 13C7-PFUnA-SURR 31.2 ng/L 40.00 78 50-200
Surrogate: 13C2-PFDoA-SURR 34.2 ng/L 40.00 85 50-200
LCS (B535036-BS1)Prepared: 06/10/25 Analyzed: 06/11/25
PFBA 90 ng/L 80.00 113 70-130
PFMPA 85 ng/L 80.00 106 70-130
PFPeA 83 ng/L 80.00 104 70-130
PFBS 79 ng/L 80.00 99 70-130
PFMBA 77 ng/L 80.00 97 70-130
PFEESA 77 ng/L 80.00 97 70-130
HFPO-DA 78 ng/L 80.00 97 70-130
NFDHA 73 ng/L 80.00 91 70-130
4:2 FTS 94 ng/L 80.00 118 70-130
PFHxS 79 ng/L 80.00 99 70-130
PFHpA 76 ng/L 80.00 95 70-130
PFHxA 84 ng/L 80.00 105 70-130
www.pacelabs.comCustomer #: 72-106174 Page 10 of 21
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 (B535036-BS1)Prepared: 06/10/25 Analyzed: 06/11/25
ADONA 71 ng/L 80.00 88 70-130
PFPeS 85 ng/L 80.00 106 70-130
6:2 FTS 87 ng/L 80.00 109 70-130
PFOA 83 ng/L 80.00 104 70-130
PFHpS 83 ng/L 80.00 103 70-130
PFOS 76 ng/L 80.00 95 70-130
PFNA 79 ng/L 80.00 99 70-130
9Cl-PF3ONS 74 ng/L 80.00 92 70-130
8:2 FTS 97 ng/L 80.00 121 70-130
PFDA 77 ng/L 80.00 96 70-130
PFUnA 77 ng/L 80.00 97 70-130
11Cl-PF3OUdS 81 ng/L 80.00 101 70-130
PFDoA 77 ng/L 80.00 97 70-130
Surrogate: 13C4-PFBA-SURR 15.3 ng/L 40.00 38 50-200
Surrogate: 13C5-PFPeA-SURR 15.0 ng/L 40.00 38 50-200
Surrogate: 13C3-PFBS-SURR 35.7 ng/L 37.28 96 50-200
Surrogate: 13C2-4:2FTS-SURR 139 ng/L 150.4 92 50-200
Surrogate: 13C5-PFHxA-SURR 15.3 ng/L 40.00 38 50-200
Surrogate: 13C3-HFPOA-DA-SURR 15.6 ng/L 40.00 39 50-200
Surrogate: 13C4-PFHpA-SURR 15.7 ng/L 40.00 39 50-200
Surrogate: 13C3-PFHxS-SURR 36.7 ng/L 37.92 97 50-200
Surrogate: 13C2-6:2FTS-SURR 136 ng/L 152.0 89 50-200
Surrogate: 13C8-PFOA-SURR 15.2 ng/L 40.00 38 50-200
Surrogate: 13C9-PFNA-SURR 16.9 ng/L 40.00 42 50-200
Surrogate: 13C8-PFOS-SURR 37.4 ng/L 38.32 98 50-200
Surrogate: 13C2-8:2FTS-SURR 139 ng/L 153.6 91 50-200
Surrogate: 13C6-PFDA-SURR 16.5 ng/L 40.00 41 50-200
Surrogate: 13C7-PFUnA-SURR 16.5 ng/L 40.00 41 50-200
Surrogate: 13C2-PFDoA-SURR 17.5 ng/L 40.00 44 50-200
Duplicate (B535036-DUP1)Sample: IF01591-01 Prepared: 06/10/25 Analyzed: 06/11/25
PFBA < 1.0 ng/L 2 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 < 0.4 ng/L ND 30U
NFDHA < 0.5 ng/L ND 30U
4:2 FTS < 0.4 ng/L ND 30U
PFHxS < 0.4 ng/L 0.5 30U
PFHpA < 0.6 ng/L ND 30U
PFHxA < 1.0 ng/L ND 30U
ADONA < 0.5 ng/L ND 30U
PFPeS < 0.6 ng/L ND 30U
6:2 FTS < 0.5 ng/L ND 30U
PFOA < 0.7 ng/L ND 30U
PFHpS < 0.6 ng/L ND 30U
www.pacelabs.comCustomer #: 72-106174 Page 11 of 21
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 (B535036-DUP1)Sample: IF01591-01 Prepared: 06/10/25 Analyzed: 06/11/25
PFOS < 0.5 ng/L ND 30U
PFNA < 0.5 ng/L ND 30U
9Cl-PF3ONS < 0.7 ng/L ND 30U
8:2 FTS < 0.5 ng/L ND 30U
PFDA < 0.5 ng/L ND 30U
PFUnA < 0.5 ng/L ND 30U
11Cl-PF3OUdS < 0.6 ng/L ND 30U
PFDoA < 0.6 ng/L ND 30U
Surrogate: 13C4-PFBA-SURR 35.2 ng/L 40.19 88 50-200
Surrogate: 13C5-PFPeA-SURR 37.7 ng/L 40.19 94 50-200
Surrogate: 13C3-PFBS-SURR 35.0 ng/L 37.46 93 50-200
Surrogate: 13C2-4:2FTS-SURR 125 ng/L 151.1 83 50-200
Surrogate: 13C5-PFHxA-SURR 36.8 ng/L 40.19 92 50-200
Surrogate: 13C3-HFPOA-DA-SURR 38.4 ng/L 40.19 96 50-200
Surrogate: 13C4-PFHpA-SURR 36.7 ng/L 40.19 91 50-200
Surrogate: 13C3-PFHxS-SURR 34.9 ng/L 38.10 92 50-200
Surrogate: 13C2-6:2FTS-SURR 126 ng/L 152.7 82 50-200
Surrogate: 13C8-PFOA-SURR 33.2 ng/L 40.19 83 50-200
Surrogate: 13C9-PFNA-SURR 32.4 ng/L 40.19 81 50-200
Surrogate: 13C8-PFOS-SURR 36.5 ng/L 38.50 95 50-200
Surrogate: 13C2-8:2FTS-SURR 133 ng/L 154.3 86 50-200
Surrogate: 13C6-PFDA-SURR 26.0 ng/L 40.19 65 50-200
Surrogate: 13C7-PFUnA-SURR 23.9 ng/L 40.19 59 50-200
Surrogate: 13C2-PFDoA-SURR 28.2 ng/L 40.19 70 50-200
Matrix Spike (B535036-MS1)Sample: IF01592-01 Prepared: 06/10/25 Analyzed: 06/11/25
PFBA 95 ng/L 77.01 ND 123 70-130
PFMPA 99 ng/L 77.01 ND 128 70-130
PFPeA 88 ng/L 77.01 ND 114 70-130
PFBS 83 ng/L 77.01 ND 107 70-130
PFMBA 87 ng/L 77.01 ND 113 70-130
PFEESA 81 ng/L 77.01 ND 105 70-130
HFPO-DA 81 ng/L 77.01 ND 105 70-130
NFDHA 85 ng/L 77.01 ND 111 70-130
PFHxS 84 ng/L 77.01 ND 109 70-130
4:2 FTS 99 ng/L 77.01 ND 129 70-130
PFHxA 86 ng/L 77.01 ND 112 70-130
PFHpA 80 ng/L 77.01 ND 104 70-130
ADONA 86 ng/L 77.01 ND 111 70-130
PFPeS 90 ng/L 77.01 ND 116 70-130
6:2 FTS 89 ng/L 77.01 ND 116 70-130
PFOA 85 ng/L 77.01 ND 110 70-130
PFHpS 88 ng/L 77.01 ND 114 70-130
PFOS 77 ng/L 77.01 ND 101 70-130
PFNA 83 ng/L 77.01 ND 108 70-130
9Cl-PF3ONS 77 ng/L 77.01 ND 100 70-130
8:2 FTS 98 ng/L 77.01 ND 128 70-130
PFDA 79 ng/L 77.01 ND 102 70-130
www.pacelabs.comCustomer #: 72-106174 Page 12 of 21
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 (B535036-MS1)Sample: IF01592-01 Prepared: 06/10/25 Analyzed: 06/11/25
PFUnA 79 ng/L 77.01 ND 103 70-130
11Cl-PF3OUdS 81 ng/L 77.01 ND 105 70-130
PFDoA 80 ng/L 77.01 ND 104 70-130
Surrogate: 13C4-PFBA-SURR 34.3 ng/L 38.51 89 50-200
Surrogate: 13C5-PFPeA-SURR 34.7 ng/L 38.51 90 50-200
Surrogate: 13C3-PFBS-SURR 34.7 ng/L 35.89 97 50-200
Surrogate: 13C2-4:2FTS-SURR 133 ng/L 144.8 92 50-200
Surrogate: 13C5-PFHxA-SURR 35.7 ng/L 38.51 93 50-200
Surrogate: 13C3-HFPOA-DA-SURR 37.6 ng/L 38.51 98 50-200
Surrogate: 13C4-PFHpA-SURR 35.7 ng/L 38.51 93 50-200
Surrogate: 13C3-PFHxS-SURR 35.2 ng/L 36.50 97 50-200
Surrogate: 13C2-6:2FTS-SURR 129 ng/L 146.3 88 50-200
Surrogate: 13C8-PFOA-SURR 32.3 ng/L 38.51 84 50-200
Surrogate: 13C9-PFNA-SURR 31.9 ng/L 38.51 83 50-200
Surrogate: 13C8-PFOS-SURR 35.0 ng/L 36.89 95 50-200
Surrogate: 13C2-8:2FTS-SURR 132 ng/L 147.9 89 50-200
Surrogate: 13C6-PFDA-SURR 29.2 ng/L 38.51 76 50-200
Surrogate: 13C7-PFUnA-SURR 27.1 ng/L 38.51 70 50-200
Surrogate: 13C2-PFDoA-SURR 28.9 ng/L 38.51 75 50-200
Batch B535145 - EPA 533 - EPA 533
Blank (B535145-BLK1)Prepared: 06/11/25 Analyzed: 06/12/25
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
4:2 FTS < 0.4 ng/L U
PFHxS < 0.4 ng/L U
PFHxA < 0.5 ng/L U
PFHpA < 0.6 ng/L U
PFPeS < 0.6 ng/L U
ADONA < 0.5 ng/L U
6:2 FTS < 0.5 ng/L U
PFOA < 0.7 ng/L U
PFHpS < 0.6 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
www.pacelabs.comCustomer #: 72-106174 Page 13 of 21
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
Blank (B535145-BLK1)Prepared: 06/11/25 Analyzed: 06/12/25
Surrogate: 13C4-PFBA-SURR 39.7 ng/L 40.00 99 50-200
Surrogate: 13C5-PFPeA-SURR 40.8 ng/L 40.00 102 50-200
Surrogate: 13C3-PFBS-SURR 37.6 ng/L 37.28 101 50-200
Surrogate: 13C2-4:2FTS-SURR 133 ng/L 150.4 88 50-200
Surrogate: 13C5-PFHxA-SURR 41.9 ng/L 40.00 105 50-200
Surrogate: 13C3-HFPOA-DA-SURR 43.6 ng/L 40.00 109 50-200
Surrogate: 13C4-PFHpA-SURR 42.9 ng/L 40.00 107 50-200
Surrogate: 13C3-PFHxS-SURR 38.8 ng/L 37.92 102 50-200
Surrogate: 13C2-6:2FTS-SURR 137 ng/L 152.0 90 50-200
Surrogate: 13C8-PFOA-SURR 41.5 ng/L 40.00 104 50-200
Surrogate: 13C9-PFNA-SURR 43.6 ng/L 40.00 109 50-200
Surrogate: 13C8-PFOS-SURR 40.2 ng/L 38.32 105 50-200
Surrogate: 13C2-8:2FTS-SURR 146 ng/L 153.6 95 50-200
Surrogate: 13C6-PFDA-SURR 41.6 ng/L 40.00 104 50-200
Surrogate: 13C7-PFUnA-SURR 41.5 ng/L 40.00 104 50-200
Surrogate: 13C2-PFDoA-SURR 44.6 ng/L 40.00 112 50-200
LCS (B535145-BS1)Prepared: 06/11/25 Analyzed: 06/12/25
PFBA 222 ng/L 200.0 111 70-130
PFMPA 244 ng/L 200.0 122 70-130
PFPeA 209 ng/L 200.0 104 70-130
PFBS 197 ng/L 200.0 99 70-130
PFMBA 209 ng/L 200.0 105 70-130
PFEESA 193 ng/L 200.0 96 70-130
NFDHA 195 ng/L 200.0 98 70-130
HFPO-DA 190 ng/L 200.0 95 70-130
4:2 FTS 225 ng/L 200.0 113 70-130
PFHxS 200 ng/L 200.0 100 70-130
PFHxA 203 ng/L 200.0 102 70-130
PFHpA 192 ng/L 200.0 96 70-130
ADONA 201 ng/L 200.0 100 70-130
PFPeS 215 ng/L 200.0 107 70-130
6:2 FTS 206 ng/L 200.0 103 70-130
PFOA 204 ng/L 200.0 102 70-130
PFHpS 221 ng/L 200.0 111 70-130
PFOS 189 ng/L 200.0 95 70-130
PFNA 192 ng/L 200.0 96 70-130
9Cl-PF3ONS 185 ng/L 200.0 93 70-130
8:2 FTS 229 ng/L 200.0 115 70-130
PFDA 186 ng/L 200.0 93 70-130
PFUnA 187 ng/L 200.0 94 70-130
11Cl-PF3OUdS 193 ng/L 200.0 96 70-130
PFDoA 192 ng/L 200.0 96 70-130
Surrogate: 13C4-PFBA-SURR 36.5 ng/L 40.00 91 50-200
Surrogate: 13C5-PFPeA-SURR 38.8 ng/L 40.00 97 50-200
Surrogate: 13C3-PFBS-SURR 36.3 ng/L 37.28 97 50-200
Surrogate: 13C2-4:2FTS-SURR 146 ng/L 150.4 97 50-200
Surrogate: 13C5-PFHxA-SURR 38.3 ng/L 40.00 96 50-200
www.pacelabs.comCustomer #: 72-106174 Page 14 of 21
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 (B535145-BS1)Prepared: 06/11/25 Analyzed: 06/12/25
Surrogate: 13C3-HFPOA-DA-SURR 40.6 ng/L 40.00 102 50-200
Surrogate: 13C4-PFHpA-SURR 38.9 ng/L 40.00 97 50-200
Surrogate: 13C3-PFHxS-SURR 37.7 ng/L 37.92 99 50-200
Surrogate: 13C2-6:2FTS-SURR 149 ng/L 152.0 98 50-200
Surrogate: 13C8-PFOA-SURR 36.9 ng/L 40.00 92 50-200
Surrogate: 13C9-PFNA-SURR 38.4 ng/L 40.00 96 50-200
Surrogate: 13C8-PFOS-SURR 36.9 ng/L 38.32 96 50-200
Surrogate: 13C2-8:2FTS-SURR 147 ng/L 153.6 96 50-200
Surrogate: 13C6-PFDA-SURR 36.4 ng/L 40.00 91 50-200
Surrogate: 13C7-PFUnA-SURR 35.5 ng/L 40.00 89 50-200
Surrogate: 13C2-PFDoA-SURR 37.8 ng/L 40.00 94 50-200
Duplicate (B535145-DUP1)Sample: IF01366-01 Prepared: 06/11/25 Analyzed: 06/12/25
PFBA < 1.0 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
NFDHA < 0.5 ng/L ND 30U
HFPO-DA < 0.4 ng/L ND 30U
4:2 FTS < 0.4 ng/L ND 30U
PFHxS < 0.4 ng/L ND 30U
PFHpA < 0.6 ng/L ND 30U
PFHxA < 0.5 ng/L ND 30U
PFPeS < 0.6 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 < 0.6 ng/L ND 30U
PFOS < 0.5 ng/L ND 30U
PFNA < 0.5 ng/L ND 30U
9Cl-PF3ONS < 0.7 ng/L ND 30U
8:2 FTS < 0.5 ng/L ND 30U
PFDA < 0.5 ng/L ND 30U
PFUnA < 0.5 ng/L ND 30U
11Cl-PF3OUdS < 0.6 ng/L ND 30U
PFDoA < 0.5 ng/L 0.7 30U
Surrogate: 13C4-PFBA-SURR 37.4 ng/L 39.92 94 50-200
Surrogate: 13C5-PFPeA-SURR 39.6 ng/L 39.92 99 50-200
Surrogate: 13C3-PFBS-SURR 35.8 ng/L 37.21 96 50-200
Surrogate: 13C2-4:2FTS-SURR 128 ng/L 150.1 85 50-200
Surrogate: 13C5-PFHxA-SURR 39.6 ng/L 39.92 99 50-200
Surrogate: 13C3-HFPOA-DA-SURR 40.7 ng/L 39.92 102 50-200
Surrogate: 13C4-PFHpA-SURR 39.8 ng/L 39.92 100 50-200
Surrogate: 13C3-PFHxS-SURR 37.2 ng/L 37.84 98 50-200
Surrogate: 13C2-6:2FTS-SURR 128 ng/L 151.7 84 50-200
Surrogate: 13C8-PFOA-SURR 36.7 ng/L 39.92 92 50-200
www.pacelabs.comCustomer #: 72-106174 Page 15 of 21
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 (B535145-DUP1)Sample: IF01366-01 Prepared: 06/11/25 Analyzed: 06/12/25
Surrogate: 13C9-PFNA-SURR 38.9 ng/L 39.92 97 50-200
Surrogate: 13C8-PFOS-SURR 36.3 ng/L 38.24 95 50-200
Surrogate: 13C2-8:2FTS-SURR 135 ng/L 153.3 88 50-200
Surrogate: 13C6-PFDA-SURR 35.3 ng/L 39.92 89 50-200
Surrogate: 13C7-PFUnA-SURR 31.8 ng/L 39.92 80 50-200
Surrogate: 13C2-PFDoA-SURR 34.4 ng/L 39.92 86 50-200
Matrix Spike (B535145-MS1)Sample: IF01366-05 Prepared: 06/11/25 Analyzed: 06/12/25
PFBA 229 ng/L 199.0 ND 115 70-130
PFMPA 247 ng/L 199.0 ND 124 70-130
PFPeA 214 ng/L 199.0 ND 108 70-130
PFBS 200 ng/L 199.0 ND 101 70-130
PFMBA 213 ng/L 199.0 ND 107 70-130
PFEESA 194 ng/L 199.0 ND 98 70-130
HFPO-DA 198 ng/L 199.0 ND 99 70-130
NFDHA 199 ng/L 199.0 ND 100 70-130
4:2 FTS 231 ng/L 199.0 ND 116 70-130
PFHxS 200 ng/L 199.0 ND 101 70-130
PFHpA 194 ng/L 199.0 ND 97 70-130
PFHxA 205 ng/L 199.0 ND 103 70-130
ADONA 204 ng/L 199.0 ND 103 70-130
PFPeS 215 ng/L 199.0 ND 108 70-130
6:2 FTS 213 ng/L 199.0 ND 107 70-130
PFOA 208 ng/L 199.0 1 104 70-130
PFHpS 230 ng/L 199.0 ND 115 70-130
PFOS 195 ng/L 199.0 ND 98 70-130
PFNA 199 ng/L 199.0 ND 100 70-130
9Cl-PF3ONS 190 ng/L 199.0 ND 96 70-130
8:2 FTS 233 ng/L 199.0 ND 117 70-130
PFDA 193 ng/L 199.0 ND 97 70-130
PFUnA 190 ng/L 199.0 ND 96 70-130
11Cl-PF3OUdS 191 ng/L 199.0 ND 96 70-130
PFDoA 197 ng/L 199.0 ND 99 70-130
Surrogate: 13C4-PFBA-SURR 36.4 ng/L 39.81 91 50-200
Surrogate: 13C5-PFPeA-SURR 37.7 ng/L 39.81 95 50-200
Surrogate: 13C3-PFBS-SURR 36.1 ng/L 37.10 97 50-200
Surrogate: 13C2-4:2FTS-SURR 143 ng/L 149.7 96 50-200
Surrogate: 13C5-PFHxA-SURR 38.1 ng/L 39.81 96 50-200
Surrogate: 13C3-HFPOA-DA-SURR 38.9 ng/L 39.81 98 50-200
Surrogate: 13C4-PFHpA-SURR 38.0 ng/L 39.81 96 50-200
Surrogate: 13C3-PFHxS-SURR 37.7 ng/L 37.74 100 50-200
Surrogate: 13C2-6:2FTS-SURR 143 ng/L 151.3 95 50-200
Surrogate: 13C8-PFOA-SURR 35.9 ng/L 39.81 90 50-200
Surrogate: 13C9-PFNA-SURR 37.1 ng/L 39.81 93 50-200
Surrogate: 13C8-PFOS-SURR 36.0 ng/L 38.14 94 50-200
Surrogate: 13C2-8:2FTS-SURR 145 ng/L 152.9 95 50-200
Surrogate: 13C6-PFDA-SURR 35.3 ng/L 39.81 89 50-200
Surrogate: 13C7-PFUnA-SURR 33.4 ng/L 39.81 84 50-200
www.pacelabs.comCustomer #: 72-106174 Page 16 of 21
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 (B535145-MS1)Sample: IF01366-05 Prepared: 06/11/25 Analyzed: 06/12/25
Surrogate: 13C2-PFDoA-SURR 33.7 ng/L 39.81 85 50-200
www.pacelabs.comCustomer #: 72-106174 Page 17 of 21
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
www.pacelabs.comCustomer #: 72-106174 Page 18 of 21
Page 19 of 21
NO DATE-EMAILED 06/09/2025 JLC
NO TIME EMAILED 06/09/2025 JLC
Page 20 of 21
Page 21 of 21