DDW-2025-005490

May 08, 2025
Dear John Steffan:
Please find enclosed the analytical results for the 2 sample(s) the laboratory received on 5/1/25 11:10 am and logged in
under work order IE00188. 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
UTAH17003RE:
Peoria, IL 61615
Pace Analytical Services, LLC
2231 W. Altorfer Drive
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 1 of 16
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- NO RELINQUISHED BY
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 16
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
www.pacelabs.comCustomer #: 72-106174 Page 3 of 16
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IE00188-01
Name:
Sampled:
Received: 05/01/25 11:10
04/29/25 09:40
WS001-LAKETOWN SPRING
Reg ID:Drinking Water - Regular SampleMatrix:UTAH17003
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Semivolatile Organics - PFAS - PIA
< 1.0 ng/L EPA 533PFBA05/05/25 17:55 PSBU2.011.0
< 0.4 ng/L EPA 533PFMPA05/05/25 17:55 PSBU2.010.4
< 0.5 ng/L EPA 533PFPeA05/05/25 17:55 PSBU2.010.5
< 0.5 ng/L EPA 533PFBS05/05/25 17:55 PSBU2.010.5
< 0.4 ng/L EPA 533PFMBA05/05/25 17:55 PSBU2.010.4
< 0.5 ng/L EPA 533PFEESA05/05/25 17:55 PSBU2.010.5
< 0.4 ng/L EPA 533HFPO-DA 05/05/25 17:55 PSBU2.010.4
< 0.5 ng/L EPA 533NFDHA05/05/25 17:55 PSBU2.010.5
< 0.4 ng/L EPA 5334:2 FTS 05/05/25 17:55 PSBU2.010.4
< 0.4 ng/L EPA 533PFHxS05/05/25 17:55 PSBU2.010.4
< 0.6 ng/L EPA 533PFHpA05/05/25 17:55 PSBU2.010.6
< 1.0 ng/L EPA 533PFHxA05/05/25 17:55 PSBU2.011.0
< 0.5 ng/L EPA 533ADONA05/05/25 17:55 PSBU2.010.5
< 0.6 ng/L EPA 533PFPeS05/05/25 17:55 PSBU2.010.6
< 0.5 ng/L EPA 5336:2 FTS 05/05/25 17:55 PSBU2.010.5
< 0.7 ng/L EPA 533PFOA05/05/25 17:55 PSBU2.010.7
< 0.6 ng/L EPA 533PFHpS05/05/25 17:55 PSBU2.010.6
< 0.5 ng/L EPA 533PFOS05/05/25 17:55 PSBU2.010.5
< 0.5 ng/L EPA 533PFNA05/05/25 17:55 PSBU2.010.5
< 0.7 ng/L EPA 5339Cl-PF3ONS 05/05/25 17:55 PSBU2.010.7
< 0.5 ng/L EPA 5338:2 FTS 05/05/25 17:55 PSBU2.010.5
< 0.5 ng/L EPA 533PFDA05/05/25 17:55 PSBU2.010.5
< 0.5 ng/L EPA 533PFUnA05/05/25 17:55 PSBU2.010.5
< 0.6 ng/L EPA 53311Cl-PF3OUdS 05/05/25 17:55 PSBU2.010.6
< 0.6 ng/L EPA 533PFDoA05/05/25 17:55 PSBU2.010.6
Surrogate: 13C4-PFBA-SURR 90 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C5-PFPeA-SURR 89 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C3-PFBS-SURR 92 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C2-4:2FTS-SURR 77 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C5-PFHxA-SURR 85 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C3-HFPOA-DA-SURR 109 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C4-PFHpA-SURR 88 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C3-PFHxS-SURR 93 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C2-6:2FTS-SURR 79 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C8-PFOA-SURR 82 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C9-PFNA-SURR 87 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C8-PFOS-SURR 91 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C2-8:2FTS-SURR 79 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C6-PFDA-SURR 78 %50-200 05/05/25 17:55 PSB EPA 533
Surrogate: 13C7-PFUnA-SURR 68 %50-200 05/05/25 17:55 PSB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 4 of 16
Pace Analytical Services, LLC
2231 W. Altorfer Drive
Peoria, IL 61615
[phone]
ANALYTICAL RESULTS
Sample: IE00188-01
Name:
Sampled:
Received: 05/01/25 11:10
04/29/25 09:40
WS001-LAKETOWN SPRING
Reg ID:Drinking Water - Regular SampleMatrix:UTAH17003
MethodAnalystAnalyzedMRLQualifierUnitResultParameterDilutionMDL
Surrogate: 13C2-PFDoA-SURR 72 %50-200 05/05/25 17:55 PSB EPA 533
www.pacelabs.comCustomer #: 72-106174 Page 5 of 16
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 B531687 - EPA 533 - EPA 533
Blank (B531687-BLK1)Prepared: 05/02/25 Analyzed: 05/05/25
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 37.3 ng/L 40.00 93 50-200
Surrogate: 13C5-PFPeA-SURR 37.5 ng/L 40.00 94 50-200
Surrogate: 13C3-PFBS-SURR 35.8 ng/L 37.28 96 50-200
Surrogate: 13C2-4:2FTS-SURR 121 ng/L 150.4 80 50-200
Surrogate: 13C5-PFHxA-SURR 36.8 ng/L 40.00 92 50-200
Surrogate: 13C3-HFPOA-DA-SURR 45.9 ng/L 40.00 115 50-200
Surrogate: 13C4-PFHpA-SURR 37.9 ng/L 40.00 95 50-200
Surrogate: 13C3-PFHxS-SURR 37.6 ng/L 37.92 99 50-200
Surrogate: 13C2-6:2FTS-SURR 125 ng/L 152.0 82 50-200
Surrogate: 13C8-PFOA-SURR 36.1 ng/L 40.00 90 50-200
Surrogate: 13C9-PFNA-SURR 39.0 ng/L 40.00 98 50-200
Surrogate: 13C8-PFOS-SURR 37.9 ng/L 38.32 99 50-200
Surrogate: 13C2-8:2FTS-SURR 130 ng/L 153.6 84 50-200
Surrogate: 13C6-PFDA-SURR 37.3 ng/L 40.00 93 50-200
Surrogate: 13C7-PFUnA-SURR 36.9 ng/L 40.00 92 50-200
Surrogate: 13C2-PFDoA-SURR 38.3 ng/L 40.00 96 50-200
Blank (B531687-BLK2)Prepared: 05/02/25 Analyzed: 05/05/25
PFBA < 1.0 ng/L U
PFMPA < 0.4 ng/L U
www.pacelabs.comCustomer #: 72-106174 Page 6 of 16
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 (B531687-BLK2)Prepared: 05/02/25 Analyzed: 05/05/25
PFPeA < 0.5 ng/L U
PFBS < 0.5 ng/L U
PFMBA < 0.4 ng/L U
PFEESA < 0.5 ng/L U
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
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 36.9 ng/L 40.00 92 50-200
Surrogate: 13C5-PFPeA-SURR 37.2 ng/L 40.00 93 50-200
Surrogate: 13C3-PFBS-SURR 35.2 ng/L 37.28 94 50-200
Surrogate: 13C2-4:2FTS-SURR 117 ng/L 150.4 78 50-200
Surrogate: 13C5-PFHxA-SURR 35.6 ng/L 40.00 89 50-200
Surrogate: 13C3-HFPOA-DA-SURR 44.5 ng/L 40.00 111 50-200
Surrogate: 13C4-PFHpA-SURR 36.6 ng/L 40.00 92 50-200
Surrogate: 13C3-PFHxS-SURR 35.8 ng/L 37.92 94 50-200
Surrogate: 13C2-6:2FTS-SURR 121 ng/L 152.0 79 50-200
Surrogate: 13C8-PFOA-SURR 35.0 ng/L 40.00 88 50-200
Surrogate: 13C9-PFNA-SURR 37.9 ng/L 40.00 95 50-200
Surrogate: 13C8-PFOS-SURR 35.8 ng/L 38.32 93 50-200
Surrogate: 13C2-8:2FTS-SURR 122 ng/L 153.6 79 50-200
Surrogate: 13C6-PFDA-SURR 37.0 ng/L 40.00 92 50-200
Surrogate: 13C7-PFUnA-SURR 37.4 ng/L 40.00 93 50-200
Surrogate: 13C2-PFDoA-SURR 38.0 ng/L 40.00 95 50-200
Blank (B531687-BLK3)Prepared: 05/02/25 Analyzed: 05/05/25
PFBA 1 ng/L J
PFMPA < 0.4 ng/L U
PFPeA 0.7 ng/L J
PFBS 2 ng/L J
PFMBA < 0.4 ng/L U
PFEESA < 0.5 ng/L U
NFDHA < 0.5 ng/L U
www.pacelabs.comCustomer #: 72-106174 Page 7 of 16
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 (B531687-BLK3)Prepared: 05/02/25 Analyzed: 05/05/25
HFPO-DA < 0.4 ng/L U
PFHxS 1 ng/L J
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 0.8 ng/L J
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 34.8 ng/L 40.00 87 50-200
Surrogate: 13C5-PFPeA-SURR 41.7 ng/L 40.00 104 50-200
Surrogate: 13C3-PFBS-SURR 33.7 ng/L 37.28 90 50-200
Surrogate: 13C2-4:2FTS-SURR 115 ng/L 150.4 76 50-200
Surrogate: 13C5-PFHxA-SURR 33.6 ng/L 40.00 84 50-200
Surrogate: 13C3-HFPOA-DA-SURR 41.7 ng/L 40.00 104 50-200
Surrogate: 13C4-PFHpA-SURR 34.9 ng/L 40.00 87 50-200
Surrogate: 13C3-PFHxS-SURR 34.6 ng/L 37.92 91 50-200
Surrogate: 13C2-6:2FTS-SURR 118 ng/L 152.0 78 50-200
Surrogate: 13C8-PFOA-SURR 33.5 ng/L 40.00 84 50-200
Surrogate: 13C9-PFNA-SURR 35.4 ng/L 40.00 88 50-200
Surrogate: 13C8-PFOS-SURR 35.1 ng/L 38.32 92 50-200
Surrogate: 13C2-8:2FTS-SURR 118 ng/L 153.6 77 50-200
Surrogate: 13C6-PFDA-SURR 34.1 ng/L 40.00 85 50-200
Surrogate: 13C7-PFUnA-SURR 34.1 ng/L 40.00 85 50-200
Surrogate: 13C2-PFDoA-SURR 35.3 ng/L 40.00 88 50-200
Blank (B531687-BLK4)Prepared: 05/02/25 Analyzed: 05/05/25
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
4:2 FTS < 0.4 ng/L U
PFHxS < 0.4 ng/L U
PFHxA < 1.0 ng/L U
PFHpA < 0.6 ng/L U
www.pacelabs.comCustomer #: 72-106174 Page 8 of 16
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 (B531687-BLK4)Prepared: 05/02/25 Analyzed: 05/05/25
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 34.3 ng/L 40.00 86 50-200
Surrogate: 13C5-PFPeA-SURR 34.6 ng/L 40.00 86 50-200
Surrogate: 13C3-PFBS-SURR 33.9 ng/L 37.28 91 50-200
Surrogate: 13C2-4:2FTS-SURR 114 ng/L 150.4 76 50-200
Surrogate: 13C5-PFHxA-SURR 33.3 ng/L 40.00 83 50-200
Surrogate: 13C3-HFPOA-DA-SURR 41.9 ng/L 40.00 105 50-200
Surrogate: 13C4-PFHpA-SURR 34.1 ng/L 40.00 85 50-200
Surrogate: 13C3-PFHxS-SURR 35.6 ng/L 37.92 94 50-200
Surrogate: 13C2-6:2FTS-SURR 117 ng/L 152.0 77 50-200
Surrogate: 13C8-PFOA-SURR 32.2 ng/L 40.00 81 50-200
Surrogate: 13C9-PFNA-SURR 34.4 ng/L 40.00 86 50-200
Surrogate: 13C8-PFOS-SURR 34.3 ng/L 38.32 90 50-200
Surrogate: 13C2-8:2FTS-SURR 116 ng/L 153.6 75 50-200
Surrogate: 13C6-PFDA-SURR 33.2 ng/L 40.00 83 50-200
Surrogate: 13C7-PFUnA-SURR 31.7 ng/L 40.00 79 50-200
Surrogate: 13C2-PFDoA-SURR 32.0 ng/L 40.00 80 50-200
LCS (B531687-BS1)Prepared: 05/02/25 Analyzed: 05/05/25
PFBA 2 ng/L 2.000 81 70-130J
PFMPA 2 ng/L 2.000 86 70-130J
PFPeA 1 ng/L 2.000 72 70-130J
PFBS 1 ng/L 2.000 69 70-130J
PFMBA 1 ng/L 2.000 63 70-130J
PFEESA 1 ng/L 2.000 63 70-130J
NFDHA 2 ng/L 2.000 78 70-130J
HFPO-DA 1 ng/L 2.000 65 70-130J
PFHxS 1 ng/L 2.000 69 70-130J
4:2 FTS 2 ng/L 2.000 86 70-130J
PFHpA 1 ng/L 2.000 65 70-130J
PFHxA 1 ng/L 2.000 69 70-130J
PFPeS 1 ng/L 2.000 74 70-130J
ADONA 1 ng/L 2.000 70 70-130J
6:2 FTS 2 ng/L 2.000 90 70-130J
PFOA 2 ng/L 2.000 93 70-130J
PFHpS 1 ng/L 2.000 72 70-130J
www.pacelabs.comCustomer #: 72-106174 Page 9 of 16
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 (B531687-BS1)Prepared: 05/02/25 Analyzed: 05/05/25
PFOS 2 ng/L 2.000 78 70-130J
PFNA 2 ng/L 2.000 81 70-130J
9Cl-PF3ONS 1 ng/L 2.000 66 70-130J
8:2 FTS 2 ng/L 2.000 84 70-130J
PFDA 1 ng/L 2.000 63 70-130J
PFUnA 1 ng/L 2.000 64 70-130J
11Cl-PF3OUdS 1 ng/L 2.000 69 70-130J
PFDoA 1 ng/L 2.000 61 70-130J
Surrogate: 13C4-PFBA-SURR 36.4 ng/L 40.00 91 50-200
Surrogate: 13C5-PFPeA-SURR 37.1 ng/L 40.00 93 50-200
Surrogate: 13C3-PFBS-SURR 34.5 ng/L 37.28 92 50-200
Surrogate: 13C2-4:2FTS-SURR 116 ng/L 150.4 77 50-200
Surrogate: 13C5-PFHxA-SURR 35.4 ng/L 40.00 88 50-200
Surrogate: 13C3-HFPOA-DA-SURR 44.3 ng/L 40.00 111 50-200
Surrogate: 13C4-PFHpA-SURR 36.8 ng/L 40.00 92 50-200
Surrogate: 13C3-PFHxS-SURR 35.6 ng/L 37.92 94 50-200
Surrogate: 13C2-6:2FTS-SURR 119 ng/L 152.0 78 50-200
Surrogate: 13C8-PFOA-SURR 34.6 ng/L 40.00 86 50-200
Surrogate: 13C9-PFNA-SURR 37.4 ng/L 40.00 94 50-200
Surrogate: 13C8-PFOS-SURR 34.3 ng/L 38.32 89 50-200
Surrogate: 13C2-8:2FTS-SURR 122 ng/L 153.6 79 50-200
Surrogate: 13C6-PFDA-SURR 35.6 ng/L 40.00 89 50-200
Surrogate: 13C7-PFUnA-SURR 34.3 ng/L 40.00 86 50-200
Surrogate: 13C2-PFDoA-SURR 35.1 ng/L 40.00 88 50-200
Duplicate (B531687-DUP1)Sample: ID05361-01 Prepared: 05/02/25 Analyzed: 05/05/25
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
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
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
www.pacelabs.comCustomer #: 72-106174 Page 10 of 16
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 (B531687-DUP1)Sample: ID05361-01 Prepared: 05/02/25 Analyzed: 05/05/25
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 36.3 ng/L 38.65 94 50-200
Surrogate: 13C5-PFPeA-SURR 41.9 ng/L 38.65 109 50-200
Surrogate: 13C3-PFBS-SURR 34.1 ng/L 36.03 95 50-200
Surrogate: 13C2-4:2FTS-SURR 113 ng/L 145.3 78 50-200
Surrogate: 13C5-PFHxA-SURR 35.0 ng/L 38.65 91 50-200
Surrogate: 13C3-HFPOA-DA-SURR 43.7 ng/L 38.65 113 50-200
Surrogate: 13C4-PFHpA-SURR 36.7 ng/L 38.65 95 50-200
Surrogate: 13C3-PFHxS-SURR 35.0 ng/L 36.64 96 50-200
Surrogate: 13C2-6:2FTS-SURR 118 ng/L 146.9 80 50-200
Surrogate: 13C8-PFOA-SURR 33.0 ng/L 38.65 85 50-200
Surrogate: 13C9-PFNA-SURR 30.9 ng/L 38.65 80 50-200
Surrogate: 13C8-PFOS-SURR 34.9 ng/L 37.03 94 50-200
Surrogate: 13C2-8:2FTS-SURR 120 ng/L 148.4 81 50-200
Surrogate: 13C6-PFDA-SURR 26.0 ng/L 38.65 67 50-200
Surrogate: 13C7-PFUnA-SURR 26.4 ng/L 38.65 68 50-200
Surrogate: 13C2-PFDoA-SURR 29.3 ng/L 38.65 76 50-200
Matrix Spike (B531687-MS1)Sample: IE00187-01 Prepared: 05/02/25 Analyzed: 05/05/25
PFBA 2 ng/L 1.925 ND 87 70-130J
PFMPA 2 ng/L 1.925 ND 88 70-130J
PFPeA 1 ng/L 1.925 ND 72 70-130J
PFBS 1 ng/L 1.925 ND 67 70-130J
PFMBA 1 ng/L 1.925 ND 67 70-130J
PFEESA 1 ng/L 1.925 ND 66 70-130J
HFPO-DA 1 ng/L 1.925 ND 69 70-130J
NFDHA 2 ng/L 1.925 ND 80 70-130J
PFHxS 1 ng/L 1.925 ND 76 70-130J
4:2 FTS 2 ng/L 1.925 ND 94 70-130J
PFHpA 1 ng/L 1.925 ND 69 70-130J
PFHxA 1 ng/L 1.925 ND 71 70-130J
PFPeS 1 ng/L 1.925 ND 76 70-130J
ADONA 1 ng/L 1.925 ND 71 70-130J
6:2 FTS 2 ng/L 1.925 ND 78 70-130J
PFOA 3 ng/L 1.925 0.9 93 70-130
PFHpS 2 ng/L 1.925 ND 78 70-130J
PFOS 1 ng/L 1.925 ND 76 70-130J
PFNA 2 ng/L 1.925 ND 86 70-130J
9Cl-PF3ONS 1 ng/L 1.925 ND 64 70-130J
8:2 FTS 2 ng/L 1.925 ND 104 70-130J
PFDA 1 ng/L 1.925 ND 70 70-130J
PFUnA 1 ng/L 1.925 ND 62 70-130J
11Cl-PF3OUdS 1 ng/L 1.925 ND 73 70-130J
PFDoA 1 ng/L 1.925 ND 65 70-130J
Surrogate: 13C4-PFBA-SURR 35.0 ng/L 38.51 91 50-200
Surrogate: 13C5-PFPeA-SURR 34.8 ng/L 38.51 90 50-200
www.pacelabs.comCustomer #: 72-106174 Page 11 of 16
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 (B531687-MS1)Sample: IE00187-01 Prepared: 05/02/25 Analyzed: 05/05/25
Surrogate: 13C3-PFBS-SURR 33.8 ng/L 35.89 94 50-200
Surrogate: 13C2-4:2FTS-SURR 112 ng/L 144.8 78 50-200
Surrogate: 13C5-PFHxA-SURR 34.6 ng/L 38.51 90 50-200
Surrogate: 13C3-HFPOA-DA-SURR 43.1 ng/L 38.51 112 50-200
Surrogate: 13C4-PFHpA-SURR 35.8 ng/L 38.51 93 50-200
Surrogate: 13C3-PFHxS-SURR 34.6 ng/L 36.50 95 50-200
Surrogate: 13C2-6:2FTS-SURR 114 ng/L 146.3 78 50-200
Surrogate: 13C8-PFOA-SURR 34.2 ng/L 38.51 89 50-200
Surrogate: 13C9-PFNA-SURR 36.5 ng/L 38.51 95 50-200
Surrogate: 13C8-PFOS-SURR 33.9 ng/L 36.89 92 50-200
Surrogate: 13C2-8:2FTS-SURR 114 ng/L 147.9 77 50-200
Surrogate: 13C6-PFDA-SURR 34.2 ng/L 38.51 89 50-200
Surrogate: 13C7-PFUnA-SURR 34.0 ng/L 38.51 88 50-200
Surrogate: 13C2-PFDoA-SURR 34.7 ng/L 38.51 90 50-200
www.pacelabs.comCustomer #: 72-106174 Page 12 of 16
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 13 of 16
Page 14 of 16
Page 15 of 16
Page 16 of 16