DDW-2025-010511

October 09, 2025
Dear John Steffan:
Please find enclosed the analytical results for the 2 sample(s) the laboratory received on 9/25/25 9:20 am and logged
in under work order II05235. 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
UTAH27017RE:
Peoria, IL 61615
Pace Analytical Services, LLC
2231 W. Altorfer Drive
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 1 of 13
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.
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Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 3 of 13
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: II05235-01
Name:
Sampled:
Received: 09/25/25 09:20
09/24/25 12:30
TP005-VIRGIN RIVER WTP
Reg ID:Drinking Water - Regular SampleMatrix:UTAH27017
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 1.0 ng/L EPA 533PFBA10/04/25 01:34 EJBU2.011.0
< 0.4 ng/L EPA 533PFMPA10/04/25 01:34 EJBU2.010.4
< 0.5 ng/L EPA 533PFPeA10/04/25 01:34 EJBU2.010.5
< 0.5 ng/L EPA 533PFBS10/04/25 01:34 EJBU2.010.5
< 0.4 ng/L EPA 533PFMBA10/04/25 01:34 EJBU2.010.4
< 0.5 ng/L EPA 533PFEESA10/04/25 01:34 EJBU2.010.5
< 0.4 ng/L EPA 533HFPO-DA 10/04/25 01:34 EJBU2.010.4
< 0.5 ng/L EPA 533NFDHA10/04/25 01:34 EJBU2.010.5
< 0.4 ng/L EPA 5334:2 FTS 10/04/25 01:34 EJBU2.010.4
< 0.4 ng/L EPA 533PFHxS10/04/25 01:34 EJBU2.010.4
< 0.6 ng/L EPA 533PFHpA10/04/25 01:34 EJBU2.010.6
< 1.0 ng/L EPA 533PFHxA10/04/25 01:34 EJBU2.011.0
< 0.5 ng/L EPA 533ADONA10/04/25 01:34 EJBU2.010.5
< 0.6 ng/L EPA 533PFPeS10/04/25 01:34 EJBU2.010.6
< 0.5 ng/L EPA 5336:2 FTS 10/04/25 01:34 EJBU2.010.5
< 0.7 ng/L EPA 533PFOA10/04/25 01:34 EJBU2.010.7
< 0.6 ng/L EPA 533PFHpS10/04/25 01:34 EJBU2.010.6
< 0.5 ng/L EPA 533PFOS10/04/25 01:34 EJBU2.010.5
< 0.5 ng/L EPA 533PFNA10/04/25 01:34 EJBU2.010.5
< 0.7 ng/L EPA 5339Cl-PF3ONS 10/04/25 01:34 EJBU2.010.7
< 0.5 ng/L EPA 5338:2 FTS 10/04/25 01:34 EJBU2.010.5
< 0.5 ng/L EPA 533PFDA10/04/25 01:34 EJBU2.010.5
< 0.5 ng/L EPA 533PFUnA10/04/25 01:34 EJBU2.010.5
< 0.6 ng/L EPA 53311Cl-PF3OUdS 10/04/25 01:34 EJBU2.010.6
< 0.6 ng/L EPA 533PFDoA10/04/25 01:34 EJBU2.010.6
Surrogate: 13C4-PFBA-SURR 95 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C5-PFPeA-SURR 96 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C3-PFBS-SURR 97 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C2-4:2FTS-SURR 94 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C5-PFHxA-SURR 88 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 88 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C4-PFHpA-SURR 88 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C3-PFHxS-SURR 94 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C2-6:2FTS-SURR 92 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C8-PFOA-SURR 84 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C9-PFNA-SURR 80 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C8-PFOS-SURR 84 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C2-8:2FTS-SURR 85 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C6-PFDA-SURR 66 %50-200 10/04/25 01:34 EJB EPA 533
Surrogate: 13C7-PFUnA-SURR 54 %50-200 10/04/25 01:34 EJB EPA 533
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Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: II05235-01
Name:
Sampled:
Received: 09/25/25 09:20
09/24/25 12:30
TP005-VIRGIN RIVER WTP
Reg ID:Drinking Water - Regular SampleMatrix:UTAH27017
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 59 %50-200 10/04/25 01:34 EJB EPA 533
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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
Batch B544023 - EPA 533 - EPA 533
Blank (B544023-BLK1)Prepared: 09/29/25 Analyzed: 10/03/25
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 31.0 ng/L 40.00 78 50-200
Surrogate: 13C5-PFPeA-SURR 30.2 ng/L 40.00 76 50-200
Surrogate: 13C3-PFBS-SURR 36.7 ng/L 37.28 98 50-200
Surrogate: 13C2-4:2FTS-SURR 139 ng/L 150.4 93 50-200
Surrogate: 13C5-PFHxA-SURR 29.7 ng/L 40.00 74 50-200
Surrogate: 13C3-HFPOA-DA-SURR 29.9 ng/L 40.00 75 50-200
Surrogate: 13C4-PFHpA-SURR 30.7 ng/L 40.00 77 50-200
Surrogate: 13C3-PFHxS-SURR 35.8 ng/L 37.92 94 50-200
Surrogate: 13C2-6:2FTS-SURR 142 ng/L 152.0 94 50-200
Surrogate: 13C8-PFOA-SURR 28.8 ng/L 40.00 72 50-200
Surrogate: 13C9-PFNA-SURR 28.2 ng/L 40.00 71 50-200
Surrogate: 13C8-PFOS-SURR 37.4 ng/L 38.32 98 50-200
Surrogate: 13C2-8:2FTS-SURR 151 ng/L 153.6 99 50-200
Surrogate: 13C6-PFDA-SURR 26.1 ng/L 40.00 65 50-200
Surrogate: 13C7-PFUnA-SURR 24.8 ng/L 40.00 62 50-200
Surrogate: 13C2-PFDoA-SURR 25.0 ng/L 40.00 62 50-200
LCS (B544023-BS1)Prepared: 09/29/25 Analyzed: 10/03/25
PFBA 74 ng/L 80.00 92 70-130
PFMPA 70 ng/L 80.00 88 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
LCS (B544023-BS1)Prepared: 09/29/25 Analyzed: 10/03/25
PFPeA 68 ng/L 80.00 86 70-130
PFBS 65 ng/L 80.00 81 70-130
PFMBA 60 ng/L 80.00 75 70-130
PFEESA 60 ng/L 80.00 75 70-130
HFPO-DA 63 ng/L 80.00 79 70-130
NFDHA 66 ng/L 80.00 83 70-130
PFHxS 66 ng/L 80.00 83 70-130
4:2 FTS 77 ng/L 80.00 96 70-130
PFHpA 67 ng/L 80.00 83 70-130
PFHxA 68 ng/L 80.00 85 70-130
ADONA 67 ng/L 80.00 84 70-130
PFPeS 73 ng/L 80.00 91 70-130
6:2 FTS 74 ng/L 80.00 92 70-130
PFOA 69 ng/L 80.00 86 70-130
PFHpS 61 ng/L 80.00 77 70-130
PFOS 62 ng/L 80.00 78 70-130
PFNA 68 ng/L 80.00 85 70-130
9Cl-PF3ONS 64 ng/L 80.00 80 70-130
8:2 FTS 77 ng/L 80.00 96 70-130
PFDA 68 ng/L 80.00 85 70-130
PFUnA 70 ng/L 80.00 88 70-130
11Cl-PF3OUdS 64 ng/L 80.00 80 70-130
PFDoA 67 ng/L 80.00 84 70-130
Surrogate: 13C4-PFBA-SURR 33.9 ng/L 40.00 85 50-200
Surrogate: 13C5-PFPeA-SURR 33.2 ng/L 40.00 83 50-200
Surrogate: 13C3-PFBS-SURR 35.8 ng/L 37.28 96 50-200
Surrogate: 13C2-4:2FTS-SURR 142 ng/L 150.4 94 50-200
Surrogate: 13C5-PFHxA-SURR 32.1 ng/L 40.00 80 50-200
Surrogate: 13C3-HFPOA-DA-SURR 32.6 ng/L 40.00 82 50-200
Surrogate: 13C4-PFHpA-SURR 31.5 ng/L 40.00 79 50-200
Surrogate: 13C3-PFHxS-SURR 36.0 ng/L 37.92 95 50-200
Surrogate: 13C2-6:2FTS-SURR 144 ng/L 152.0 95 50-200
Surrogate: 13C8-PFOA-SURR 30.6 ng/L 40.00 76 50-200
Surrogate: 13C9-PFNA-SURR 28.4 ng/L 40.00 71 50-200
Surrogate: 13C8-PFOS-SURR 35.5 ng/L 38.32 93 50-200
Surrogate: 13C2-8:2FTS-SURR 148 ng/L 153.6 97 50-200
Surrogate: 13C6-PFDA-SURR 26.2 ng/L 40.00 65 50-200
Surrogate: 13C7-PFUnA-SURR 25.0 ng/L 40.00 62 50-200
Surrogate: 13C2-PFDoA-SURR 25.0 ng/L 40.00 62 50-200
Duplicate (B544023-DUP1)Sample: II05229-01 Prepared: 09/29/25 Analyzed: 10/03/25
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
HFPO-DA < 0.4 ng/L ND 30U
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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
Duplicate (B544023-DUP1)Sample: II05229-01 Prepared: 09/29/25 Analyzed: 10/03/25
NFDHA < 0.5 ng/L ND 30U
PFHxS < 0.4 ng/L ND 30U
4:2 FTS < 0.4 ng/L ND 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
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 35.4 ng/L 40.10 88 50-200
Surrogate: 13C5-PFPeA-SURR 36.0 ng/L 40.10 90 50-200
Surrogate: 13C3-PFBS-SURR 35.6 ng/L 37.37 95 50-200
Surrogate: 13C2-4:2FTS-SURR 140 ng/L 150.8 93 50-200
Surrogate: 13C5-PFHxA-SURR 34.0 ng/L 40.10 85 50-200
Surrogate: 13C3-HFPOA-DA-SURR 34.8 ng/L 40.10 87 50-200
Surrogate: 13C4-PFHpA-SURR 33.6 ng/L 40.10 84 50-200
Surrogate: 13C3-PFHxS-SURR 35.1 ng/L 38.01 92 50-200
Surrogate: 13C2-6:2FTS-SURR 136 ng/L 152.4 89 50-200
Surrogate: 13C8-PFOA-SURR 31.2 ng/L 40.10 78 50-200
Surrogate: 13C9-PFNA-SURR 29.8 ng/L 40.10 74 50-200
Surrogate: 13C8-PFOS-SURR 37.0 ng/L 38.41 96 50-200
Surrogate: 13C2-8:2FTS-SURR 150 ng/L 154.0 97 50-200
Surrogate: 13C6-PFDA-SURR 26.9 ng/L 40.10 67 50-200
Surrogate: 13C7-PFUnA-SURR 23.9 ng/L 40.10 60 50-200
Surrogate: 13C2-PFDoA-SURR 25.5 ng/L 40.10 64 50-200
Matrix Spike (B544023-MS1)Sample: II05230-01 Prepared: 09/29/25 Analyzed: 10/03/25
PFBA 84 ng/L 84.50 ND 99 70-130
PFMPA 79 ng/L 84.50 ND 93 70-130
PFPeA 78 ng/L 84.50 ND 92 70-130
PFBS 74 ng/L 84.50 ND 88 70-130
PFMBA 69 ng/L 84.50 ND 81 70-130
PFEESA 68 ng/L 84.50 ND 81 70-130
NFDHA 73 ng/L 84.50 ND 86 70-130
HFPO-DA 73 ng/L 84.50 ND 87 70-130
PFHxS 74 ng/L 84.50 ND 88 70-130
4:2 FTS 86 ng/L 84.50 ND 101 70-130
PFHpA 73 ng/L 84.50 ND 87 70-130
PFHxA 77 ng/L 84.50 ND 92 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 (B544023-MS1)Sample: II05230-01 Prepared: 09/29/25 Analyzed: 10/03/25
ADONA 72 ng/L 84.50 ND 86 70-130
PFPeS 79 ng/L 84.50 ND 93 70-130
6:2 FTS 81 ng/L 84.50 ND 96 70-130
PFOA 79 ng/L 84.50 ND 94 70-130
PFHpS 67 ng/L 84.50 ND 80 70-130
PFOS 71 ng/L 84.50 ND 84 70-130
PFNA 78 ng/L 84.50 ND 92 70-130
9Cl-PF3ONS 73 ng/L 84.50 ND 86 70-130
8:2 FTS 89 ng/L 84.50 ND 106 70-130
PFDA 77 ng/L 84.50 ND 91 70-130
PFUnA 78 ng/L 84.50 ND 92 70-130
11Cl-PF3OUdS 71 ng/L 84.50 ND 84 70-130
PFDoA 75 ng/L 84.50 ND 88 70-130
Surrogate: 13C4-PFBA-SURR 31.0 ng/L 42.25 73 50-200
Surrogate: 13C5-PFPeA-SURR 30.3 ng/L 42.25 72 50-200
Surrogate: 13C3-PFBS-SURR 36.1 ng/L 39.37 92 50-200
Surrogate: 13C2-4:2FTS-SURR 149 ng/L 158.9 94 50-200
Surrogate: 13C5-PFHxA-SURR 29.8 ng/L 42.25 70 50-200
Surrogate: 13C3-HFPOA-DA-SURR 29.3 ng/L 42.25 69 50-200
Surrogate: 13C4-PFHpA-SURR 29.5 ng/L 42.25 70 50-200
Surrogate: 13C3-PFHxS-SURR 37.6 ng/L 40.05 94 50-200
Surrogate: 13C2-6:2FTS-SURR 152 ng/L 160.5 95 50-200
Surrogate: 13C8-PFOA-SURR 26.3 ng/L 42.25 62 50-200
Surrogate: 13C9-PFNA-SURR 24.6 ng/L 42.25 58 50-200
Surrogate: 13C8-PFOS-SURR 36.8 ng/L 40.47 91 50-200
Surrogate: 13C2-8:2FTS-SURR 151 ng/L 162.2 93 50-200
Surrogate: 13C6-PFDA-SURR 22.3 ng/L 42.25 53 50-200
Surrogate: 13C7-PFUnA-SURR 22.4 ng/L 42.25 53 50-200
Surrogate: 13C2-PFDoA-SURR 24.6 ng/L 42.25 58 50-200
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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
U Parameter was analyzed for, but not detected above the reporting limit.
Certified by:Janet Clutters, Project Manager
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