DDW-2025-003446

April 03, 2025
Dear John Steffan:
Please find enclosed the analytical results for the 2 sample(s) the laboratory received on 3/27/25 9:15 am and logged
in under work order IC04464. 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
UTAH18006RE:
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: IC04464-01
Name:
Sampled:
Received: 03/27/25 09:15
03/25/25 11:40
WS012-HIDDEN VALLEY PRODUCTION WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH18006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 1.0 ng/L EPA 533PFBA03/31/25 20:27 MAB3U2.011.0
< 0.4 ng/L EPA 533PFMPA03/31/25 20:27 MAB3U2.010.4
< 0.5 ng/L EPA 533PFPeA03/31/25 20:27 MAB3U2.010.5
< 0.5 ng/L EPA 533PFBS03/31/25 20:27 MAB3U2.010.5
< 0.4 ng/L EPA 533PFMBA03/31/25 20:27 MAB3U2.010.4
< 0.5 ng/L EPA 533PFEESA03/31/25 20:27 MAB3U2.010.5
< 0.4 ng/L EPA 533HFPO-DA 03/31/25 20:27 MAB3U2.010.4
< 0.5 ng/L EPA 533NFDHA03/31/25 20:27 MAB3U2.010.5
< 0.4 ng/L EPA 5334:2 FTS 03/31/25 20:27 MAB3U2.010.4
< 0.4 ng/L EPA 533PFHxS03/31/25 20:27 MAB3U2.010.4
< 0.6 ng/L EPA 533PFHpA03/31/25 20:27 MAB3U2.010.6
< 0.5 ng/L EPA 533PFHxA03/31/25 20:27 MAB3U2.010.5
< 0.5 ng/L EPA 533ADONA03/31/25 20:27 MAB3U2.010.5
< 0.6 ng/L EPA 533PFPeS03/31/25 20:27 MAB3U2.010.6
< 0.5 ng/L EPA 5336:2 FTS 03/31/25 20:27 MAB3U2.010.5
< 0.7 ng/L EPA 533PFOA03/31/25 20:27 MAB3U2.010.7
< 0.6 ng/L EPA 533PFHpS03/31/25 20:27 MAB3U2.010.6
< 0.5 ng/L EPA 533PFOS03/31/25 20:27 MAB3U2.010.5
< 0.5 ng/L EPA 533PFNA03/31/25 20:27 MAB3U2.010.5
< 0.7 ng/L EPA 5339Cl-PF3ONS 03/31/25 20:27 MAB3U2.010.7
< 0.5 ng/L EPA 5338:2 FTS 03/31/25 20:27 MAB3U2.010.5
< 0.5 ng/L EPA 533PFDA03/31/25 20:27 MAB3U2.010.5
< 0.5 ng/L EPA 533PFUnA03/31/25 20:27 MAB3U2.010.5
< 0.6 ng/L EPA 53311Cl-PF3OUdS 03/31/25 20:27 MAB3U2.010.6
< 0.5 ng/L EPA 533PFDoA03/31/25 20:27 MAB3U2.010.5
Surrogate: 13C4-PFBA-SURR 82 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C5-PFPeA-SURR 86 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C3-PFBS-SURR 97 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C2-4:2FTS-SURR 91 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C5-PFHxA-SURR 85 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 92 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C4-PFHpA-SURR 80 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C3-PFHxS-SURR 97 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C2-6:2FTS-SURR 89 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C8-PFOA-SURR 76 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C9-PFNA-SURR 78 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C8-PFOS-SURR 92 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C2-8:2FTS-SURR 95 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C6-PFDA-SURR 75 %50-200 03/31/25 20:27 MAB3 EPA 533
Surrogate: 13C7-PFUnA-SURR 69 %50-200 03/31/25 20:27 MAB3 EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 4 of 13
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IC04464-01
Name:
Sampled:
Received: 03/27/25 09:15
03/25/25 11:40
WS012-HIDDEN VALLEY PRODUCTION WELL
Reg ID:Drinking Water - Regular SampleMatrix:UTAH18006
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 71 %50-200 03/31/25 20:27 MAB3 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 B528624 - EPA 533 - EPA 533
Blank (B528624-BLK1)Prepared: 03/28/25 Analyzed: 03/31/25
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 0.8 ng/L J
PFHpS < 0.6 ng/L U
PFOS < 0.5 ng/L U
PFNA 0.6 ng/L J
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 J
Surrogate: 13C4-PFBA-SURR 28.2 ng/L 40.00 71 50-200
Surrogate: 13C5-PFPeA-SURR 30.0 ng/L 40.00 75 50-200
Surrogate: 13C3-PFBS-SURR 37.4 ng/L 37.28 100 50-200
Surrogate: 13C2-4:2FTS-SURR 144 ng/L 150.4 96 50-200
Surrogate: 13C5-PFHxA-SURR 32.4 ng/L 40.00 81 50-200
Surrogate: 13C3-HFPOA-DA-SURR 33.2 ng/L 40.00 83 50-200
Surrogate: 13C4-PFHpA-SURR 33.1 ng/L 40.00 83 50-200
Surrogate: 13C3-PFHxS-SURR 37.8 ng/L 37.92 100 50-200
Surrogate: 13C2-6:2FTS-SURR 145 ng/L 152.0 95 50-200
Surrogate: 13C8-PFOA-SURR 32.6 ng/L 40.00 82 50-200
Surrogate: 13C9-PFNA-SURR 34.4 ng/L 40.00 86 50-200
Surrogate: 13C8-PFOS-SURR 37.2 ng/L 38.32 97 50-200
Surrogate: 13C2-8:2FTS-SURR 155 ng/L 153.6 101 50-200
Surrogate: 13C6-PFDA-SURR 32.9 ng/L 40.00 82 50-200
Surrogate: 13C7-PFUnA-SURR 30.8 ng/L 40.00 77 50-200
Surrogate: 13C2-PFDoA-SURR 32.9 ng/L 40.00 82 50-200
LCS (B528624-BS1)Prepared: 03/28/25 Analyzed: 03/31/25
PFBA 180 ng/L 200.0 90 70-130
PFMPA 183 ng/L 200.0 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
LCS (B528624-BS1)Prepared: 03/28/25 Analyzed: 03/31/25
PFPeA 167 ng/L 200.0 84 70-130
PFBS 158 ng/L 200.0 79 70-130
PFMBA 156 ng/L 200.0 78 70-130
PFEESA 161 ng/L 200.0 81 70-130
HFPO-DA 155 ng/L 200.0 78 70-130
NFDHA 146 ng/L 200.0 73 70-130
4:2 FTS 184 ng/L 200.0 92 70-130
PFHxS 162 ng/L 200.0 81 70-130
PFHxA 168 ng/L 200.0 84 70-130
PFHpA 158 ng/L 200.0 79 70-130
ADONA 168 ng/L 200.0 84 70-130
PFPeS 168 ng/L 200.0 84 70-130
6:2 FTS 175 ng/L 200.0 87 70-130
PFOA 192 ng/L 200.0 96 70-130
PFHpS 165 ng/L 200.0 83 70-130
PFOS 160 ng/L 200.0 80 70-130
PFNA 185 ng/L 200.0 93 70-130
9Cl-PF3ONS 170 ng/L 200.0 85 70-130
8:2 FTS 189 ng/L 200.0 94 70-130
PFDA 154 ng/L 200.0 77 70-130
PFUnA 163 ng/L 200.0 82 70-130
11Cl-PF3OUdS 175 ng/L 200.0 87 70-130
PFDoA 151 ng/L 200.0 76 70-130
Surrogate: 13C4-PFBA-SURR 31.5 ng/L 40.00 79 50-200
Surrogate: 13C5-PFPeA-SURR 34.8 ng/L 40.00 87 50-200
Surrogate: 13C3-PFBS-SURR 37.2 ng/L 37.28 100 50-200
Surrogate: 13C2-4:2FTS-SURR 164 ng/L 150.4 109 50-200
Surrogate: 13C5-PFHxA-SURR 35.6 ng/L 40.00 89 50-200
Surrogate: 13C3-HFPOA-DA-SURR 37.1 ng/L 40.00 93 50-200
Surrogate: 13C4-PFHpA-SURR 34.0 ng/L 40.00 85 50-200
Surrogate: 13C3-PFHxS-SURR 39.1 ng/L 37.92 103 50-200
Surrogate: 13C2-6:2FTS-SURR 161 ng/L 152.0 106 50-200
Surrogate: 13C8-PFOA-SURR 31.6 ng/L 40.00 79 50-200
Surrogate: 13C9-PFNA-SURR 30.3 ng/L 40.00 76 50-200
Surrogate: 13C8-PFOS-SURR 36.3 ng/L 38.32 95 50-200
Surrogate: 13C2-8:2FTS-SURR 165 ng/L 153.6 107 50-200
Surrogate: 13C6-PFDA-SURR 26.0 ng/L 40.00 65 50-200
Surrogate: 13C7-PFUnA-SURR 21.7 ng/L 40.00 54 50-200
Surrogate: 13C2-PFDoA-SURR 24.1 ng/L 40.00 60 50-200
Duplicate (B528624-DUP1)Sample: IC04432-01 Prepared: 03/28/25 Analyzed: 03/31/25
PFBA < 1.2 ng/L ND 30U
PFMPA < 0.5 ng/L ND 30U
PFPeA < 0.6 ng/L ND 30U
PFBS < 0.6 ng/L ND 30U
PFMBA < 0.5 ng/L ND 30U
PFEESA < 0.6 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 (B528624-DUP1)Sample: IC04432-01 Prepared: 03/28/25 Analyzed: 03/31/25
NFDHA < 0.5 ng/L ND 30U
PFHxS < 0.5 ng/L ND 30U
4:2 FTS < 0.4 ng/L ND 30U
PFHpA < 0.6 ng/L ND 30U
PFHxA < 0.6 ng/L ND 30U
ADONA < 0.6 ng/L ND 30U
PFPeS < 0.7 ng/L ND 30U
6:2 FTS < 0.6 ng/L ND 30U
PFOA < 0.9 ng/L ND 30U
PFHpS < 0.7 ng/L ND 30U
PFOS < 0.6 ng/L ND 30U
PFNA 0.9 ng/L ND 30J
9Cl-PF3ONS < 0.8 ng/L ND 30U
8:2 FTS < 0.6 ng/L ND 30U
PFDA < 0.5 ng/L ND 30U
PFUnA < 0.6 ng/L ND 30U
11Cl-PF3OUdS < 0.7 ng/L ND 30U
PFDoA 0.9 ng/L ND 30J
Surrogate: 13C4-PFBA-SURR 42.5 ng/L 46.45 91 50-200
Surrogate: 13C5-PFPeA-SURR 44.1 ng/L 46.45 95 50-200
Surrogate: 13C3-PFBS-SURR 42.6 ng/L 43.29 98 50-200
Surrogate: 13C2-4:2FTS-SURR 162 ng/L 174.6 93 50-200
Surrogate: 13C5-PFHxA-SURR 45.1 ng/L 46.45 97 50-200
Surrogate: 13C3-HFPOA-DA-SURR 48.4 ng/L 46.45 104 50-200
Surrogate: 13C4-PFHpA-SURR 42.4 ng/L 46.45 91 50-200
Surrogate: 13C3-PFHxS-SURR 41.9 ng/L 44.03 95 50-200
Surrogate: 13C2-6:2FTS-SURR 161 ng/L 176.5 91 50-200
Surrogate: 13C8-PFOA-SURR 39.9 ng/L 46.45 86 50-200
Surrogate: 13C9-PFNA-SURR 39.4 ng/L 46.45 85 50-200
Surrogate: 13C8-PFOS-SURR 42.1 ng/L 44.50 95 50-200
Surrogate: 13C2-8:2FTS-SURR 171 ng/L 178.4 96 50-200
Surrogate: 13C6-PFDA-SURR 38.0 ng/L 46.45 82 50-200
Surrogate: 13C7-PFUnA-SURR 34.3 ng/L 46.45 74 50-200
Surrogate: 13C2-PFDoA-SURR 35.5 ng/L 46.45 76 50-200
Matrix Spike (B528624-MS1)Sample: IC04464-01 Prepared: 03/28/25 Analyzed: 03/31/25
PFBA 175 ng/L 193.3 ND 91 70-130
PFMPA 182 ng/L 193.3 ND 94 70-130
PFPeA 167 ng/L 193.3 ND 86 70-130
PFBS 155 ng/L 193.3 ND 80 70-130
PFMBA 155 ng/L 193.3 ND 80 70-130
PFEESA 155 ng/L 193.3 ND 80 70-130
NFDHA 149 ng/L 193.3 ND 77 70-130
HFPO-DA 153 ng/L 193.3 ND 79 70-130
4:2 FTS 181 ng/L 193.3 ND 93 70-130
PFHxS 161 ng/L 193.3 ND 83 70-130
PFHxA 162 ng/L 193.3 ND 84 70-130
PFHpA 156 ng/L 193.3 ND 81 70-130
www.pacelabs.comCustomer #: 72-106174 Page 8 of 13
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 (B528624-MS1)Sample: IC04464-01 Prepared: 03/28/25 Analyzed: 03/31/25
PFPeS 165 ng/L 193.3 ND 86 70-130
ADONA 168 ng/L 193.3 ND 87 70-130
6:2 FTS 175 ng/L 193.3 ND 90 70-130
PFOA 185 ng/L 193.3 ND 96 70-130
PFHpS 157 ng/L 193.3 ND 81 70-130
PFOS 156 ng/L 193.3 ND 81 70-130
PFNA 182 ng/L 193.3 ND 94 70-130
9Cl-PF3ONS 163 ng/L 193.3 ND 84 70-130
8:2 FTS 185 ng/L 193.3 ND 96 70-130
PFDA 152 ng/L 193.3 ND 79 70-130
PFUnA 160 ng/L 193.3 ND 83 70-130
11Cl-PF3OUdS 167 ng/L 193.3 ND 86 70-130
PFDoA 150 ng/L 193.3 ND 77 70-130
Surrogate: 13C4-PFBA-SURR 34.0 ng/L 38.67 88 50-200
Surrogate: 13C5-PFPeA-SURR 36.4 ng/L 38.67 94 50-200
Surrogate: 13C3-PFBS-SURR 36.6 ng/L 36.04 101 50-200
Surrogate: 13C2-4:2FTS-SURR 158 ng/L 145.4 109 50-200
Surrogate: 13C5-PFHxA-SURR 35.7 ng/L 38.67 92 50-200
Surrogate: 13C3-HFPOA-DA-SURR 38.6 ng/L 38.67 100 50-200
Surrogate: 13C4-PFHpA-SURR 32.3 ng/L 38.67 84 50-200
Surrogate: 13C3-PFHxS-SURR 37.3 ng/L 36.66 102 50-200
Surrogate: 13C2-6:2FTS-SURR 156 ng/L 146.9 106 50-200
Surrogate: 13C8-PFOA-SURR 29.2 ng/L 38.67 76 50-200
Surrogate: 13C9-PFNA-SURR 26.8 ng/L 38.67 69 50-200
Surrogate: 13C8-PFOS-SURR 36.0 ng/L 37.05 97 50-200
Surrogate: 13C2-8:2FTS-SURR 161 ng/L 148.5 109 50-200
Surrogate: 13C6-PFDA-SURR 23.5 ng/L 38.67 61 50-200
Surrogate: 13C7-PFUnA-SURR 21.8 ng/L 38.67 56 50-200
Surrogate: 13C2-PFDoA-SURR 24.3 ng/L 38.67 63 50-200
www.pacelabs.comCustomer #: 72-106174 Page 9 of 13
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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