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HomeMy WebLinkAboutDDW-2025-001318UCMR5Project Name: Page 1 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Attached is the analytical report for the sample(s) received for your project. Below is a list of the individual sample descriptions with the corresponding laboratory number(s). Also, enclosed is a copy of the Chain of Custody document (if received with your sample(s)). Please note any unused portion of the sample(s) may be responsibly discarded after 30 days from the above report date, unless you have requested otherwise. Thank you for the opportunity to serve your analytical needs. If you have any questions or concerns regarding this report please contact our client service department. Sample Identification Lab Sample #Client Sample ID Matrix Date Sampled Date SubmittedBy By WaterC4G2174-01 07/15/24 8:10 Ashley Nimmo FED EX07/16/24 10:00WS003 WaterC4G2174-02 07/15/24 8:10 Ashley Nimmo FED EX07/16/24 10:00WS003- Field Blank mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 ** This report shows results reprocessed at lower reporting limits (RL) to assist with initial monitoring required by Final PFAS Drinking Water Regulation. ** Weber Basin WCD Central Intertie UCMR5Project Name: Page 2 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Laboratory Reference Number Sample Description 07/15/24 08:10 Sampled Date/Time Received Date/Time 07/16/24 10:00 Matrix WaterWS003 C4G2174-01 ResultAnalyte(s)RDL Analysis DateMethodUnits Analyst Flag Per-/Polyfluorinated Alkyl Substances 0.0023Perfluorobutanoic acid (PFBA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoropentanoic acid (PFPeA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorohexanoic Acid (PFHxA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoroheptanoic Acid (PFHpA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorooctanoic Acid (PFOA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorononanoic Acid (PFNA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorodecanoic Acid (PFDA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoroundecanoic Acid (PFUnA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorododecanoic Acid (PFDoDA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorobutanesulfonic Acid (PFBS) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoropentanesulfonate (PFPeS) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorohexanesulfonic Acid (PFHxS) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoroheptanesulfonic acid (PFHpS) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluorooctanesulfonic Acid (PFOS) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND4:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND6:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND8:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDHexafluoropropylene oxide dimer acid (HFPO-DA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND4,8-dioxa-3H-perfluorononanoic Acid (ADONA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND9-chlorohexadecafluoro-3-oxanon e-1-sulfonic Acid 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDNonafluoro-3,6-dioxaheptanoic acid (NFDHA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF ND11-chloroeicosafluoro 3oxaundecane-1-sulfonic Acid 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoro-4-methoxybutanoic acid (PFMBA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 ** This report shows results reprocessed at lower reporting limits (RL) to assist with initial monitoring required by Final PFAS Drinking Water Regulation. ** Weber Basin WCD Central Intertie UCMR5Project Name: Page 3 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Laboratory Reference Number Sample Description 07/15/24 08:10 Sampled Date/Time Received Date/Time 07/16/24 10:00 Matrix WaterWS003 C4G2174-01 ResultAnalyte(s)RDL Analysis DateMethodUnits Analyst Flag Per-/Polyfluorinated Alkyl Substances NDPerfluoro-3-methoxypropanoic acid (PFMPA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF NDPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA) 0.0018 ug/L EPA 533 07/28/24 02:27 MOF Surrogate: 13C4-PFBA EPA 533 07/28/24 02:2791%50-200 MOF Surrogate: 13C5-PFPeA EPA 533 07/28/24 02:2767%50-200 MOF Surrogate: 13C5-PFHxA EPA 533 07/28/24 02:2791%50-200 MOF Surrogate: 13C4-PFHpA EPA 533 07/28/24 02:2791%50-200 MOF Surrogate: 13C8-PFOA EPA 533 07/28/24 02:2785%50-200 MOF Surrogate: 13C9-PFNA EPA 533 07/28/24 02:2788%50-200 MOF Surrogate: 13C6-PFDA EPA 533 07/28/24 02:2782%50-200 MOF Surrogate: 13C7-PFUnA EPA 533 07/28/24 02:2782%50-200 MOF Surrogate: 13C2-PFDoA EPA 533 07/28/24 02:2774%50-200 MOF Surrogate: 13C3-PFBS EPA 533 07/28/24 02:2783%50-200 MOF Surrogate: 13C3-PFHxS EPA 533 07/28/24 02:2792%50-200 MOF Surrogate: 13C8-PFOS EPA 533 07/28/24 02:2791%50-200 MOF Surrogate: 13C2-4:2 FTS EPA 533 07/28/24 02:27154%50-200 MOF Surrogate: 13C2-6:2 FTS EPA 533 07/28/24 02:2791%50-200 MOF Surrogate: 13C2-8:2 FTS EPA 533 07/28/24 02:2786%50-200 MOF Surrogate: 13C3-HFPO-DA EPA 533 07/28/24 02:2774%50-200 MOF Metals and Metalloids NDLithium 9.0 ug/L EPA 200.7 07/29/24 15:03 MGA Perfluorinated Compounds by EPA 537.1 NDN-EtFOSAA 0.0018 ug/L EPA 537 07/20/24 22:05 VPO NDN-MeFOSAA 0.0018 ug/L EPA 537 07/20/24 22:05 VPO NDPerfluorotridecanoic Acid (PFTrDA) 0.0018 ug/L EPA 537 07/20/24 22:05 VPO NDPerfluorotetradecanoic Acid (PFTeDA) 0.0018 ug/L EPA 537 07/20/24 22:05 VPO mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 ** This report shows results reprocessed at lower reporting limits (RL) to assist with initial monitoring required by Final PFAS Drinking Water Regulation. ** Weber Basin WCD Central Intertie UCMR5Project Name: Page 4 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Laboratory Reference Number Sample Description 07/15/24 08:10 Sampled Date/Time Received Date/Time 07/16/24 10:00 Matrix WaterWS003 C4G2174-01 ResultAnalyte(s)RDL Analysis DateMethodUnits Analyst Flag Perfluorinated Compounds by EPA 537.1 Surrogate: 13C2-PFDA EPA 537 07/20/24 22:0593%70-130 VPO Surrogate: 13C2-PFHxA EPA 537 07/20/24 22:0599%70-130 VPO Surrogate: 13C3-HFPO-DA EPA 537 07/20/24 22:0590%70-130 VPO Surrogate: N-EtFOSAA-D5 EPA 537 07/20/24 22:0592%70-130 VPO mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 ** This report shows results reprocessed at lower reporting limits (RL) to assist with initial monitoring required by Final PFAS Drinking Water Regulation. ** Weber Basin WCD Central Intertie UCMR5Project Name: Page 5 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Laboratory Reference Number Sample Description 07/15/24 08:10 Sampled Date/Time Received Date/Time 07/16/24 10:00 Matrix WaterWS003- Field Blank C4G2174-02 ResultAnalyte(s)RDL Analysis DateMethodUnits Analyst Flag Per-/Polyfluorinated Alkyl Substances NDPerfluorobutanoic acid (PFBA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoropentanoic acid (PFPeA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorohexanoic Acid (PFHxA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoroheptanoic Acid (PFHpA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorooctanoic Acid (PFOA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorononanoic Acid (PFNA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorodecanoic Acid (PFDA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoroundecanoic Acid (PFUnA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorododecanoic Acid (PFDoDA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorobutanesulfonic Acid (PFBS) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoropentanesulfonate (PFPeS) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorohexanesulfonic Acid (PFHxS) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoroheptanesulfonic acid (PFHpS) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluorooctanesulfonic Acid (PFOS) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND4:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND6:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND8:2 Fluorotelomer Sulfonate 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDHexafluoropropylene oxide dimer acid (HFPO-DA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND4,8-dioxa-3H-perfluorononanoic Acid (ADONA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND9-chlorohexadecafluoro-3-oxanon e-1-sulfonic Acid 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDNonafluoro-3,6-dioxaheptanoic acid (NFDHA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF ND11-chloroeicosafluoro 3oxaundecane-1-sulfonic Acid 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoro-4-methoxybutanoic acid (PFMBA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 6 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Laboratory Reference Number Sample Description 07/15/24 08:10 Sampled Date/Time Received Date/Time 07/16/24 10:00 Matrix WaterWS003- Field Blank C4G2174-02 ResultAnalyte(s)RDL Analysis DateMethodUnits Analyst Flag Per-/Polyfluorinated Alkyl Substances NDPerfluoro-3-methoxypropanoic acid (PFMPA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF NDPerfluoro(2-ethoxyethane)sulfonic acid (PFEESA) 0.0018 ug/L EPA 533 07/28/24 02:46 MOF Surrogate: 13C4-PFBA EPA 533 07/28/24 02:4686%50-200 MOF Surrogate: 13C5-PFPeA EPA 533 07/28/24 02:4678%50-200 MOF Surrogate: 13C5-PFHxA EPA 533 07/28/24 02:4685%50-200 MOF Surrogate: 13C4-PFHpA EPA 533 07/28/24 02:4686%50-200 MOF Surrogate: 13C8-PFOA EPA 533 07/28/24 02:4685%50-200 MOF Surrogate: 13C9-PFNA EPA 533 07/28/24 02:4698%50-200 MOF Surrogate: 13C6-PFDA EPA 533 07/28/24 02:4693%50-200 MOF Surrogate: 13C7-PFUnA EPA 533 07/28/24 02:4697%50-200 MOF Surrogate: 13C2-PFDoA EPA 533 07/28/24 02:4691%50-200 MOF Surrogate: 13C3-PFBS EPA 533 07/28/24 02:4686%50-200 MOF Surrogate: 13C3-PFHxS EPA 533 07/28/24 02:4691%50-200 MOF Surrogate: 13C8-PFOS EPA 533 07/28/24 02:4693%50-200 MOF Surrogate: 13C2-4:2 FTS EPA 533 07/28/24 02:4698%50-200 MOF Surrogate: 13C2-6:2 FTS EPA 533 07/28/24 02:4692%50-200 MOF Surrogate: 13C2-8:2 FTS EPA 533 07/28/24 02:4693%50-200 MOF Surrogate: 13C3-HFPO-DA EPA 533 07/28/24 02:4685%50-200 MOF mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 7 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Blank (4G23011-BLK1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluorobutanoic acid (PFBA) ND 0.0020 ug/L Perfluoropentanoic acid (PFPeA) ND 0.0020 ug/L Perfluorohexanoic Acid (PFHxA) ND 0.0020 ug/L Perfluoroheptanoic Acid (PFHpA) ND 0.0020 ug/L Perfluorooctanoic Acid (PFOA) ND 0.0020 ug/L Perfluorononanoic Acid (PFNA) ND 0.0020 ug/L Perfluorodecanoic Acid (PFDA) ND 0.0020 ug/L Perfluoroundecanoic Acid (PFUnA) ND 0.0020 ug/L Perfluorododecanoic Acid (PFDoDA) ND 0.0020 ug/L Perfluorobutanesulfonic Acid (PFBS) ND 0.0020 ug/L Perfluoropentanesulfonate (PFPeS) ND 0.0020 ug/L Perfluorohexanesulfonic Acid (PFHxS) ND 0.0020 ug/L Perfluoroheptanesulfonic acid (PFHpS) ND 0.0020 ug/L Perfluorooctanesulfonic Acid (PFOS) ND 0.0020 ug/L 4:2 Fluorotelomer Sulfonate ND 0.0020 ug/L 6:2 Fluorotelomer Sulfonate ND 0.0020 ug/L 8:2 Fluorotelomer Sulfonate ND 0.0020 ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) ND 0.0020 ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) ND 0.0020 ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid ND 0.0020 ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic ND 0.0020 ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) ND 0.0020 ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) ND 0.0020 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 8 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Blank (4G23011-BLK1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluoro-3-methoxypropanoi c acid (PFMPA) ND 0.0020 ug/L Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) ND 0.0020 ug/L 0.0200 50-200Surrogate: 13C4-PFBA 700.0140 ug/L 0.0200 50-200Surrogate: 13C5-PFPeA 650.0129 ug/L 0.0200 50-200Surrogate: 13C5-PFHxA 700.0140 ug/L 0.0200 50-200Surrogate: 13C4-PFHpA 700.0140 ug/L 0.0200 50-200Surrogate: 13C8-PFOA 700.0139 ug/L 0.0200 50-200Surrogate: 13C9-PFNA 770.0153 ug/L 0.0200 50-200Surrogate: 13C6-PFDA 750.0150 ug/L 0.0200 50-200Surrogate: 13C7-PFUnA 800.0160 ug/L 0.0200 50-200Surrogate: 13C2-PFDoA 770.0153 ug/L 0.0186 50-200Surrogate: 13C3-PFBS 750.0139 ug/L 0.0189 50-200Surrogate: 13C3-PFHxS 810.0153 ug/L 0.0191 50-200Surrogate: 13C8-PFOS 840.0160 ug/L 0.0748 50-200Surrogate: 13C2-4:2 FTS 820.0615 ug/L 0.0760 50-200Surrogate: 13C2-6:2 FTS 810.0614 ug/L 0.0768 50-200Surrogate: 13C2-8:2 FTS 780.0601 ug/L 0.0200 50-200Surrogate: 13C3-HFPO-DA 690.0137 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 9 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE LCS (4G23011-BS1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluorobutanoic acid (PFBA) 0.0018 0.0050 0.00200 50-15088ug/L Perfluoropentanoic acid (PFPeA) 0.0016 0.0030 0.00200 50-15081ug/L Perfluorohexanoic Acid (PFHxA) 0.0019 0.0030 0.00200 50-15096ug/L Perfluoroheptanoic Acid (PFHpA) 0.0018 0.0030 0.00200 50-15089ug/L Perfluorooctanoic Acid (PFOA) 0.0019 0.0040 0.00200 50-15095ug/L Perfluorononanoic Acid (PFNA) 0.0017 0.0040 0.00200 50-15086ug/L Perfluorodecanoic Acid (PFDA) 0.0018 0.0030 0.00200 50-15088ug/L Perfluoroundecanoic Acid (PFUnA) 0.0017 0.0020 0.00200 50-15084ug/L Perfluorododecanoic Acid (PFDoDA) 0.0018 0.0030 0.00200 50-15092ug/L Perfluorobutanesulfonic Acid (PFBS) 0.0019 0.0030 0.00200 50-15093ug/L Perfluoropentanesulfonate (PFPeS) 0.0018 0.0040 0.00200 50-15090ug/L Perfluorohexanesulfonic Acid (PFHxS) 0.0020 0.0030 0.00200 50-15099ug/L Perfluoroheptanesulfonic acid (PFHpS) 0.0016 0.0030 0.00200 50-15081ug/L Perfluorooctanesulfonic Acid (PFOS) 0.0015 0.0040 0.00200 50-15077ug/L 4:2 Fluorotelomer Sulfonate 0.0017 0.0030 0.00200 50-15084ug/L 6:2 Fluorotelomer Sulfonate 0.0016 0.0050 0.00200 50-15082ug/L 8:2 Fluorotelomer Sulfonate 0.0018 0.0050 0.00200 50-15090ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) 0.0018 0.0050 0.00200 50-15090ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) 0.0015 0.0030 0.00200 50-15076ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid 0.0018 0.0020 0.00200 50-15091ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) 0.0017 0.020 0.00200 50-15086ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic 0.0015 0.0050 0.00200 50-15074ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) 0.0019 0.0030 0.00200 50-15095ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 10 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE LCS (4G23011-BS1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluoro-3-methoxypropanoi c acid (PFMPA) 0.0017 0.0040 0.00200 50-15083ug/L Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) 0.0019 0.0030 0.00200 50-15096ug/L 0.0200 50-200Surrogate: 13C4-PFBA 790.0158 ug/L 0.0200 50-200Surrogate: 13C5-PFPeA 750.0150 ug/L 0.0200 50-200Surrogate: 13C5-PFHxA 800.0160 ug/L 0.0200 50-200Surrogate: 13C4-PFHpA 840.0167 ug/L 0.0200 50-200Surrogate: 13C8-PFOA 820.0164 ug/L 0.0200 50-200Surrogate: 13C9-PFNA 930.0186 ug/L 0.0200 50-200Surrogate: 13C6-PFDA 890.0179 ug/L 0.0200 50-200Surrogate: 13C7-PFUnA 960.0193 ug/L 0.0200 50-200Surrogate: 13C2-PFDoA 860.0173 ug/L 0.0186 50-200Surrogate: 13C3-PFBS 830.0154 ug/L 0.0189 50-200Surrogate: 13C3-PFHxS 860.0163 ug/L 0.0191 50-200Surrogate: 13C8-PFOS 890.0171 ug/L 0.0748 50-200Surrogate: 13C2-4:2 FTS 930.0695 ug/L 0.0760 50-200Surrogate: 13C2-6:2 FTS 920.0696 ug/L 0.0768 50-200Surrogate: 13C2-8:2 FTS 900.0688 ug/L 0.0200 50-200Surrogate: 13C3-HFPO-DA 820.0163 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 11 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Matrix Spike (4G23011-MS1)Prepared: 07/23/24 Analyzed: 07/27/24 Source: C4G3008-01 Perfluorobutanoic acid (PFBA) 0.010 0.0050 0.00191 0.0082 50-150112ug/L Perfluoropentanoic acid (PFPeA) 0.0031 0.0030 0.00191 0.0013 50-15091ug/L Perfluorohexanoic Acid (PFHxA) 0.0031 0.0030 0.00191 0.0013 50-15097ug/L Perfluoroheptanoic Acid (PFHpA) 0.0032 0.0030 0.00191 0.0012 50-150102ug/L Perfluorooctanoic Acid (PFOA) 0.0029 0.0040 0.00191 0.0011 50-15096ug/L Perfluorononanoic Acid (PFNA) 0.0021 0.0040 0.00191 ND 50-150110ug/L Perfluorodecanoic Acid (PFDA) 0.0019 0.0030 0.00191 ND 50-150102ug/L Perfluoroundecanoic Acid (PFUnA) 0.0018 0.0020 0.00191 ND 50-15095ug/L Perfluorododecanoic Acid (PFDoDA) 0.0020 0.0030 0.00191 ND 50-150106ug/L Perfluorobutanesulfonic Acid (PFBS) 0.0033 0.0030 0.00191 0.0015 50-15094ug/L Perfluoropentanesulfonate (PFPeS) 0.0024 0.0040 0.00191 ND 50-150127ug/L Perfluorohexanesulfonic Acid (PFHxS) 0.0025 0.0030 0.00191 ND 50-150132ug/L Perfluoroheptanesulfonic acid (PFHpS) 0.0018 0.0030 0.00191 ND 50-15094ug/L 4:2 Fluorotelomer Sulfonate 0.0018 0.0030 0.00191 ND 50-15092ug/L 6:2 Fluorotelomer Sulfonate 0.0018 0.0050 0.00191 ND 50-15093ug/L 8:2 Fluorotelomer Sulfonate 0.0017 0.0050 0.00191 ND 50-15087ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) 0.0016 0.0050 0.00191 ND 50-15086ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) 0.0019 0.0030 0.00191 ND 50-15099ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid 0.0019 0.0020 0.00191 ND 50-150101ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic 0.0013 0.0050 0.00191 ND 50-15067ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) 0.0016 0.020 0.00191 ND 50-15086ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) 0.0022 0.0030 0.00191 ND 50-150115ug/L Perfluoro-3-methoxypropanoi c acid (PFMPA) 0.0023 0.0040 0.00191 ND 50-150121ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 12 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Matrix Spike (4G23011-MS1)Prepared: 07/23/24 Analyzed: 07/27/24 Source: C4G3008-01 Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) 0.0021 0.0030 0.00191 ND 50-150108ug/L 0.0191 50-200Surrogate: 13C5-PFPeA 600.0114 ug/L 0.0191 50-200Surrogate: 13C5-PFHxA 810.0154 ug/L 0.0191 50-200Surrogate: 13C4-PFHpA 990.0189 ug/L 0.0191 50-200Surrogate: 13C8-PFOA 850.0162 ug/L 0.0191 50-200Surrogate: 13C9-PFNA 910.0175 ug/L 0.0191 50-200Surrogate: 13C6-PFDA 830.0158 ug/L 0.0191 50-200Surrogate: 13C7-PFUnA 800.0153 ug/L 0.0191 50-200Surrogate: 13C2-PFDoA 710.0135 ug/L 0.0178 50-200Surrogate: 13C3-PFBS 760.0136 ug/L 0.0181 50-200Surrogate: 13C3-PFHxS 980.0178 ug/L 0.0182 50-200Surrogate: 13C8-PFOS 920.0167 ug/L 0.0714 50-200Surrogate: 13C2-4:2 FTS 2000.143 ug/L 0.0725 50-200Surrogate: 13C2-6:2 FTS 870.0634 ug/L 0.0733 50-200Surrogate: 13C2-8:2 FTS 820.0604 ug/L 0.0191 50-200Surrogate: 13C3-HFPO-DA 710.0136 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 13 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Matrix Spike Dup (4G23011-MSD1)Prepared: 07/23/24 Analyzed: 07/27/24 Source: C4G3008-01 Perfluorobutanoic acid (PFBA) 0.011 0.0050 0.00189 0.0082 5050-150147 6ug/L Perfluoropentanoic acid (PFPeA) 0.0030 0.0030 0.00189 0.0013 5050-15090 2ug/L Perfluorohexanoic Acid (PFHxA) 0.0034 0.0030 0.00189 0.0013 5050-150115 10ug/L Perfluoroheptanoic Acid (PFHpA) 0.0031 0.0030 0.00189 0.0012 5050-15099 3ug/L Perfluorooctanoic Acid (PFOA) 0.0029 0.0040 0.00189 0.0011 5050-15099 0.8ug/L Perfluorononanoic Acid (PFNA) 0.0022 0.0040 0.00189 ND 5050-150118 6ug/L Perfluorodecanoic Acid (PFDA) 0.0019 0.0030 0.00189 ND 5050-150100 3ug/L Perfluoroundecanoic Acid (PFUnA) 0.0018 0.0020 0.00189 ND 5050-15096 0.3ug/L Perfluorododecanoic Acid (PFDoDA) 0.0020 0.0030 0.00189 ND 5050-150108 0.4ug/L Perfluorobutanesulfonic Acid (PFBS) 0.0034 0.0030 0.00189 0.0015 5050-150102 4ug/L Perfluoropentanesulfonate (PFPeS) 0.0023 0.0040 0.00189 ND 5050-150122 5ug/L Perfluorohexanesulfonic Acid (PFHxS) 0.0023 0.0030 0.00189 ND 5050-150121 10ug/L Perfluoroheptanesulfonic acid (PFHpS) 0.0019 0.0030 0.00189 ND 5050-150102 6ug/L Perfluorooctanesulfonic Acid (PFOS) 0.0028 0.0040 0.00189 ND 5050-150148 6ug/L 4:2 Fluorotelomer Sulfonate 0.0019 0.0030 0.00189 ND 5050-150102 10ug/L 6:2 Fluorotelomer Sulfonate 0.0019 0.0050 0.00189 ND 5050-15098 4ug/L 8:2 Fluorotelomer Sulfonate 0.0019 0.0050 0.00189 ND 5050-15099 11ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) 0.0019 0.0050 0.00189 ND 5050-150102 16ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) 0.0018 0.0030 0.00189 ND 5050-15098 3ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid 0.0019 0.0020 0.00189 ND 5050-150101 1ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) 0.0016 0.020 0.00189 ND 5050-15085 1ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic 0.0013 0.0050 0.00189 ND 5050-15070 3ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) 0.0021 0.0030 0.00189 ND 5050-150111 4ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 14 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Matrix Spike Dup (4G23011-MSD1)Prepared: 07/23/24 Analyzed: 07/27/24 Source: C4G3008-01 Perfluoro-3-methoxypropanoi c acid (PFMPA) 0.0025 0.0040 0.00189 ND 5050-150132 7ug/L Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) 0.0021 0.0030 0.00189 ND 5050-150109 0.3ug/L 0.0189 50-200Surrogate: 13C5-PFPeA 590.0111 ug/L 0.0189 50-200Surrogate: 13C5-PFHxA 770.0146 ug/L 0.0189 50-200Surrogate: 13C4-PFHpA 970.0184 ug/L 0.0189 50-200Surrogate: 13C8-PFOA 860.0163 ug/L 0.0189 50-200Surrogate: 13C9-PFNA 920.0174 ug/L 0.0189 50-200Surrogate: 13C6-PFDA 850.0160 ug/L 0.0189 50-200Surrogate: 13C7-PFUnA 840.0159 ug/L 0.0189 50-200Surrogate: 13C2-PFDoA 750.0141 ug/L 0.0176 50-200Surrogate: 13C3-PFBS 770.0135 ug/L 0.0178 50-200Surrogate: 13C3-PFHxS 940.0168 ug/L 0.0180 50-200Surrogate: 13C8-PFOS 930.0167 ug/L 0.0706 50-200Surrogate: 13C2-4:2 FTS 1890.133 ug/L 0.0717 50-200Surrogate: 13C2-6:2 FTS 900.0646 ug/L 0.0725 50-200Surrogate: 13C2-8:2 FTS 870.0628 ug/L 0.0189 50-200Surrogate: 13C3-HFPO-DA 660.0124 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 15 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Reference (4G23011-SRM1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluorobutanoic acid (PFBA) 0.0374 0.0050 0.0400 70-13093ug/L Perfluoropentanoic acid (PFPeA) 0.0380 0.0030 0.0400 70-13095ug/L Perfluorohexanoic Acid (PFHxA) 0.0380 0.0030 0.0400 70-13095ug/L Perfluoroheptanoic Acid (PFHpA) 0.0369 0.0030 0.0400 70-13092ug/L Perfluorooctanoic Acid (PFOA) 0.0370 0.0040 0.0400 70-13092ug/L Perfluorononanoic Acid (PFNA) 0.0371 0.0040 0.0400 70-13093ug/L Perfluorodecanoic Acid (PFDA) 0.0378 0.0030 0.0400 70-13094ug/L Perfluoroundecanoic Acid (PFUnA) 0.0379 0.0020 0.0400 70-13095ug/L Perfluorododecanoic Acid (PFDoDA) 0.0374 0.0030 0.0400 70-13094ug/L Perfluorobutanesulfonic Acid (PFBS) 0.0379 0.0030 0.0400 70-13095ug/L Perfluoropentanesulfonate (PFPeS) 0.0367 0.0040 0.0400 70-13092ug/L Perfluorohexanesulfonic Acid (PFHxS) 0.0379 0.0030 0.0400 70-13095ug/L Perfluoroheptanesulfonic acid (PFHpS) 0.0384 0.0030 0.0400 70-13096ug/L Perfluorooctanesulfonic Acid (PFOS) 0.0396 0.0040 0.0400 70-13099ug/L 4:2 Fluorotelomer Sulfonate 0.0383 0.0030 0.0400 70-13096ug/L 6:2 Fluorotelomer Sulfonate 0.0373 0.0050 0.0400 70-13093ug/L 8:2 Fluorotelomer Sulfonate 0.0388 0.0050 0.0400 70-13097ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) 0.0390 0.0050 0.0400 70-13097ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) 0.0363 0.0030 0.0400 70-13091ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid 0.0375 0.0020 0.0400 70-13094ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic 0.0393 0.0050 0.0400 70-13098ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) 0.0381 0.020 0.0400 70-13095ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) 0.0384 0.0030 0.0400 70-13096ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 16 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Reference (4G23011-SRM1)Prepared: 07/23/24 Analyzed: 07/27/24 Perfluoro-3-methoxypropanoi c acid (PFMPA) 0.0389 0.0040 0.0400 70-13097ug/L Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) 0.0389 0.0030 0.0400 70-13097ug/L 0.0200 70-130Surrogate: 13C4-PFBA 1000.0201 ug/L 0.0200 70-130Surrogate: 13C5-PFPeA 1010.0203 ug/L 0.0200 70-130Surrogate: 13C5-PFHxA 1010.0203 ug/L 0.0200 70-130Surrogate: 13C4-PFHpA 1030.0206 ug/L 0.0200 70-130Surrogate: 13C8-PFOA 1010.0202 ug/L 0.0200 70-130Surrogate: 13C9-PFNA 1050.0209 ug/L 0.0200 70-130Surrogate: 13C6-PFDA 1000.0201 ug/L 0.0200 70-130Surrogate: 13C7-PFUnA 1010.0203 ug/L 0.0200 70-130Surrogate: 13C2-PFDoA 1010.0202 ug/L 0.0186 70-130Surrogate: 13C3-PFBS 1030.0193 ug/L 0.0189 70-130Surrogate: 13C3-PFHxS 1040.0198 ug/L 0.0191 70-130Surrogate: 13C8-PFOS 1010.0192 ug/L 0.0748 70-130Surrogate: 13C2-4:2 FTS 1050.0784 ug/L 0.0760 70-130Surrogate: 13C2-6:2 FTS 1040.0791 ug/L 0.0768 70-130Surrogate: 13C2-8:2 FTS 1060.0813 ug/L 0.0200 70-130Surrogate: 13C3-HFPO-DA 1010.0202 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 17 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Reference (4G23011-SRM2)Prepared: 07/23/24 Analyzed: 08/21/24 Perfluorobutanoic acid (PFBA) 0.0400 0.0050 0.0400 70-130100ug/L Perfluoropentanoic acid (PFPeA) 0.0404 0.0030 0.0400 70-130101ug/L Perfluorohexanoic Acid (PFHxA) 0.0407 0.0030 0.0400 70-130102ug/L Perfluoroheptanoic Acid (PFHpA) 0.0408 0.0030 0.0400 70-130102ug/L Perfluorooctanoic Acid (PFOA) 0.0410 0.0040 0.0400 70-130103ug/L Perfluorononanoic Acid (PFNA) 0.0413 0.0040 0.0400 70-130103ug/L Perfluorodecanoic Acid (PFDA) 0.0390 0.0030 0.0400 70-13097ug/L Perfluoroundecanoic Acid (PFUnA) 0.0409 0.0020 0.0400 70-130102ug/L Perfluorododecanoic Acid (PFDoDA) 0.0414 0.0030 0.0400 70-130104ug/L Perfluorobutanesulfonic Acid (PFBS) 0.0396 0.0030 0.0400 70-13099ug/L Perfluoropentanesulfonate (PFPeS) 0.0412 0.0040 0.0400 70-130103ug/L Perfluorohexanesulfonic Acid (PFHxS) 0.0440 0.0030 0.0400 70-130110ug/L Perfluoroheptanesulfonic acid (PFHpS) 0.0465 0.0030 0.0400 70-130116ug/L Perfluorooctanesulfonic Acid (PFOS) 0.0474 0.0040 0.0400 70-130119ug/L 4:2 Fluorotelomer Sulfonate 0.0428 0.0030 0.0400 70-130107ug/L 6:2 Fluorotelomer Sulfonate 0.0416 0.0050 0.0400 70-130104ug/L 8:2 Fluorotelomer Sulfonate 0.0417 0.0050 0.0400 70-130104ug/L Hexafluoropropylene oxide dimer acid (HFPO-DA) 0.0433 0.0050 0.0400 70-130108ug/L 4,8-dioxa-3H-perfluorononan oic Acid (ADONA) 0.0409 0.0030 0.0400 70-130102ug/L 9-chlorohexadecafluoro-3-ox anone-1-sulfonic Acid 0.0436 0.0020 0.0400 70-130109ug/L Nonafluoro-3,6-dioxaheptano ic acid (NFDHA) 0.0410 0.020 0.0400 70-130102ug/L 11-chloroeicosafluoro 3oxaundecane-1-sulfonic 0.0442 0.0050 0.0400 70-130110ug/L Perfluoro-4-methoxybutanoic acid (PFMBA) 0.0413 0.0030 0.0400 70-130103ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 18 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Batch 4G23011 - SPE Reference (4G23011-SRM2)Prepared: 07/23/24 Analyzed: 08/21/24 Perfluoro-3-methoxypropanoi c acid (PFMPA) 0.0416 0.0040 0.0400 70-130104ug/L Perfluoro(2-ethoxyethane)sul fonic acid (PFEESA) 0.0416 0.0030 0.0400 70-130104ug/L 0.0200 70-130Surrogate: 13C4-PFBA 990.0197 ug/L 0.0200 70-130Surrogate: 13C5-PFPeA 980.0196 ug/L 0.0200 70-130Surrogate: 13C5-PFHxA 990.0199 ug/L 0.0200 70-130Surrogate: 13C4-PFHpA 980.0197 ug/L 0.0200 70-130Surrogate: 13C8-PFOA 1000.0201 ug/L 0.0200 70-130Surrogate: 13C9-PFNA 1000.0200 ug/L 0.0200 70-130Surrogate: 13C6-PFDA 1010.0202 ug/L 0.0200 70-130Surrogate: 13C7-PFUnA 1030.0205 ug/L 0.0200 70-130Surrogate: 13C2-PFDoA 970.0194 ug/L 0.0186 70-130Surrogate: 13C3-PFBS 1000.0187 ug/L 0.0189 70-130Surrogate: 13C3-PFHxS 980.0185 ug/L 0.0191 70-130Surrogate: 13C8-PFOS 920.0176 ug/L 0.0748 70-130Surrogate: 13C2-4:2 FTS 940.0702 ug/L 0.0760 70-130Surrogate: 13C2-6:2 FTS 1000.0759 ug/L 0.0768 70-130Surrogate: 13C2-8:2 FTS 980.0751 ug/L 0.0200 70-130Surrogate: 13C3-HFPO-DA 940.0189 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 19 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Per-/Polyfluorinated Alkyl Substances - Batch Quality Control Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Metals and Metalloids - Batch Quality Control Batch 4G18021 - EPA 200.2 Blank (4G18021-BLK1)Prepared: 07/18/24 Analyzed: 07/29/24 Lithium ND 9.0 ug/L LCS (4G18021-BS1)Prepared: 07/18/24 Analyzed: 07/29/24 Lithium 8.08 9.0 9.00 50-15090ug/L Matrix Spike (4G18021-MS1)Prepared: 07/18/24 Analyzed: 07/29/24 Source: C4G1656-01 Lithium 9.02 9.0 9.00 ND 70-130100ug/L Matrix Spike Dup (4G18021-MSD1)Prepared: 07/18/24 Analyzed: 07/29/24 Source: C4G1656-01 Lithium 8.98 9.0 9.00 ND 2070-130100 0.4ug/L Reference (4G18021-SRM1)Prepared: 07/18/24 Analyzed: 07/29/24 Lithium 40.3 18 40.0 0-200101ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 20 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Perfluorinated Compounds by EPA 537.1 - Batch Quality Control Batch 4G17049 - SPE Blank (4G17049-BLK1)Prepared: 07/19/24 Analyzed: 07/20/24 N-EtFOSAA ND 0.0020 ug/L N-MeFOSAA ND 0.0020 ug/L Perfluorotridecanoic Acid (PFTrDA) ND 0.0020 ug/L Perfluorotetradecanoic Acid (PFTeDA) ND 0.0020 ug/L 0.0400 70-130Surrogate: 13C2-PFDA 920.0368 ug/L 0.0400 70-130Surrogate: 13C2-PFHxA 980.0393 ug/L 0.0400 70-130Surrogate: 13C3-HFPO-DA 960.0384 ug/L 0.0400 70-130Surrogate: N-EtFOSAA-D5 850.0341 ug/L LCS (4G17049-BS1)Prepared: 07/19/24 Analyzed: 07/20/24 N-EtFOSAA 0.0014 0.0050 0.00200 50-15072ug/L N-MeFOSAA 0.0013 0.0060 0.00200 50-15065ug/L Perfluorotridecanoic Acid (PFTrDA) 0.0018 0.0070 0.00200 50-15090ug/L Perfluorotetradecanoic Acid (PFTeDA) 0.0014 0.0080 0.00200 50-15068ug/L 0.0400 70-130Surrogate: 13C2-PFDA 890.0357 ug/L 0.0400 70-130Surrogate: 13C2-PFHxA 960.0384 ug/L 0.0400 70-130Surrogate: 13C3-HFPO-DA 880.0352 ug/L 0.0400 70-130Surrogate: N-EtFOSAA-D5 850.0339 ug/L Matrix Spike (4G17049-MS1)Prepared: 07/19/24 Analyzed: 07/20/24 Source: C4G2347-01 N-EtFOSAA 0.0012 0.0050 0.00185 ND 50-15065ug/L N-MeFOSAA 0.00095 0.0060 0.00185 ND 50-15051ug/L Perfluorotridecanoic Acid (PFTrDA) 0.0017 0.0070 0.00185 ND 50-15092ug/L Perfluorotetradecanoic Acid (PFTeDA) 0.0014 0.0080 0.00185 ND 50-15075ug/L 0.0370 70-130Surrogate: 13C2-PFDA 930.0344 ug/L 0.0370 70-130Surrogate: 13C2-PFHxA 970.0358 ug/L 0.0370 70-130Surrogate: 13C3-HFPO-DA 860.0320 ug/L 0.0370 70-130Surrogate: N-EtFOSAA-D5 880.0326 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 21 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Result RDL Units Level Spike Result Source %REC %REC Limits RPD RPD Limit Flag Analyte(s) Perfluorinated Compounds by EPA 537.1 - Batch Quality Control Batch 4G17049 - SPE Matrix Spike Dup (4G17049-MSD1)Prepared: 07/19/24 Analyzed: 07/20/24 Source: C4G2347-01 N-MeFOSAA 0.0012 0.0054 0.00181 ND 5050-15064 23ug/L Perfluorotridecanoic Acid (PFTrDA) 0.0014 0.0063 0.00181 ND 5050-15080 14ug/L Perfluorotetradecanoic Acid (PFTeDA) 0.0013 0.0072 0.00181 ND 5050-15074 2ug/L 0.0361 70-130Surrogate: 13C2-PFDA 920.0331 ug/L 0.0361 70-130Surrogate: 13C2-PFHxA 810.0292 ug/L 0.0361 70-130Surrogate: 13C3-HFPO-DA 760.0275 ug/L 0.0361 70-130Surrogate: N-EtFOSAA-D5 870.0316 ug/L Reference (4G17049-SRM1)Prepared: 07/19/24 Analyzed: 07/20/24 N-EtFOSAA 0.0172 0.0050 0.0200 0-20086ug/L N-MeFOSAA 0.0188 0.0060 0.0200 0-20094ug/L Perfluorotridecanoic Acid (PFTrDA) 0.0164 0.0070 0.0200 0-20082ug/L Perfluorotetradecanoic Acid (PFTeDA) 0.0203 0.0080 0.0200 0-200101ug/L 0.0400 70-130Surrogate: 13C2-PFDA 1010.0404 ug/L 0.0400 70-130Surrogate: 13C2-PFHxA 1000.0399 ug/L 0.0400 70-130Surrogate: 13C3-HFPO-DA 1000.0400 ug/L 0.0400 70-130Surrogate: N-EtFOSAA-D5 1010.0406 ug/L mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704 UCMR5Project Name: Page 22 of 23Analytical Report: Contact: Darrin Taylor Layton City CorporationClient Name: UCMR5 Quote- AmendedProject Number: Address: Layton, UT 84041 1925 N. Fortlane Report Date: 27-Dec-2024 Work Order Number: 6YesReceived on Ice (Y/N): Temp: °C C4G2174 Notes and Definitions NR: Not Reported ND: Analyte NOT DETECTED at or above the Method Detection Limit (if MDL is reported), otherwise at or above the Reportable Detection Limit (RDL) RDL: Reportable Detection Limit MDL: Method Detection Limit * / (Non-NELAP): NELAP does not offer accreditation for this analyte/method/matrix combination E-STANDARD.RPT This report applies only to the sample(s) analyzed. As a mutual protection to clients, the public, and Babcock Laboratories, Inc., this report is submitted and accepted for the exclusive use of the Client to whom it is addressed. Interpretation and use of the information contained within this report are the sole responsibility of the Client. Babcock Laboratories, Inc. is not responsible for any misinformation or consequences that may result from misinterpretation or improper use of this report. This report is not to be modified or abbreviated in any way. Additionally, this report is not to be used, in whole or in part, in any advertising or publicity matter without written authorization from Babcock Laboratories, Inc. The liability of Babcock Laboratories, Inc. is limited to the actual cost of the requested analyses, unless otherwise agreed upon in writing. There is no other warranty expressed or implied. Enclosed are the analytical results for the submitted sample(s). Babcock Laboratories certify the data presented as part of this report meet the minimum quality standards in the referenced analytical methods. Any exceptions have been noted. Approval cc: Juliett Melissa Machuca For Alexandria L. Guerra mailing P.O. Box 432 Riverside, CA 92502-0432 CA ELAP No. 2698 EPA No. CA00102 NELAP No. OR4035 LACSD No. 10119 P (951) 653-3351 F (951) 653-1662 www.babcocklabs.com location 6100 Quail Valley Court Riverside, CA 92507-0704