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HomeMy WebLinkAbout610303_022223_1722 GEL DAQ Week of Jan 10-18, 2023 Nearfield & MB February 22, 2023 Jim Bowyer NCDENR 4403 Reedy Creek Road Division of Air Quality Laboratory Raleigh, North Carolina 27607 Re: NCDAQ Work Order: 610303 Dear Jim Bowyer: GEL Laboratories, LLC (GEL) appreciates the opportunity to provide the enclosed analytical results for the sample(s) we received on February 09, 2023. This original data report has been prepared and reviewed in accordance with GEL’s standard operating procedures. The samples were delivered with proper chain of custody documentation and signatures. All sample containers arrived without any visible signs of tampering or breakage. There are no additional comments concerning sample receipt. Test results for NELAP or ISO 17025 accredited tests are verified to meet the requirements of those standards, with any exceptions noted. The results reported relate only to the items tested and to the sample as received by the laboratory. These results may not be reproduced except as full reports without approval by the laboratory. Copies of GEL’s accreditations and certifications can be found on our website at www.gel.com. Our policy is to provide high quality, personalized analytical services to enable you to meet your analytical needs on time every time. We trust that you will find everything in order and to your satisfaction. If you have any questions, please do not hesitate to call me at (843) 556-8171, ext. 1614. Sincerely, PM_SIGN_HERE Delaney Stone Project Manager Purchase Order: NCDAQ Enclosures Page 1 of 103 SDG: 610303 Jordan Melton for Reviewed by USER_SIGN_HERE GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report NCDQ001 NC Dept Environmental Quality Client SDG: 610303 GEL Work Order: 610303 Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the Certificate of Analysis. The designation ND, if present, appears in the result column when the analyte concentration is not detected above the limit as defined in the 'U' qualifier above. This data report has been prepared and reviewed in accordance with GEL Laboratories LLC standard operating procedures. Please direct any questions to your Project Manager, Delaney Stone. The Qualifiers in this report are defined as follows: * A quality control analyte recovery is outside of specified acceptance criteria ** Analyte is a Tracer compound ** Analyte is a surrogate compound B The target analyte was detected in the associated blank. J Value is estimated U Analyte was analyzed for, but not detected above the MDL, MDA, MDC or LOD. X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier h Preparation or preservation holding time was exceeded for Page 2 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481355ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB31.90 3.80 3.80 3.73 3.57 3.61 3.65 3.80 3.80 3.80 3.80 3.80 1.69 1.90 1.84 1.90 1.90 1.80 1.90 3.80 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303001 Water 18-JAN-23 12:15 09-FEB-23 W011023-02 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.627 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 0.627 0.627 0.760 0.627 0.741 0.627 0.627 0.627 1.25 1Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Jh Uh Uh Uh Uh Uh Uh 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND 0.871 ND ND ND ND ND ND 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 Page 3 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481614 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.73 1.90 1.82 1.90 3.80 1.90 1.90 1.90 1.79 1.90 1.90 1.90 1.90 1.90 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 0.475 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303001 W011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.627 0.760 0.665 0.627 1.25 0.627 0.760 0.760 0.627 0.627 0.760 0.627 0.627 0.627 0.190 0.190 0.190 0.190 0.190 0.190 0.190 0.190 0.190 0.190 0.190 2 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh UXh h UXh JXh UXh UXh UXh UXh UXh Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 22.0 ND 0.279 ND ND ND ND ND ND ND 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 Page 4 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.475 0.475 0.475 0.475 0.475 0.475 0.475 3.80 3.80 0.475 0.475 0.380 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303001 W011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.190 0.190 0.190 0.190 0.190 0.190 0.190 1.42 1.25 0.190 0.190 0.190 UXh JXh Xh JXh Uh Uh UXh BXh UXh UXh UXh JXh acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND 0.360 2.06 0.416 ND ND ND 8.45 ND ND ND 0.344 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 0.0190 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 5 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303001 W011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 6 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481404ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB31.91 3.83 3.83 3.76 3.60 3.63 3.67 3.83 3.83 3.83 3.83 3.83 1.70 1.91 1.86 1.91 1.91 1.82 1.91 3.83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303002 Water 18-JAN-23 12:15 09-FEB-23 D011023-02 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.631 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26 0.631 0.631 0.765 0.631 0.746 0.631 0.631 0.631 1.26 1Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh h Uh Uh Uh Uh Uh Uh 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND 2.26 ND ND ND ND ND ND 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 Page 7 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481629 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.74 1.91 1.84 1.91 3.83 1.91 1.91 1.91 1.80 1.91 1.91 1.91 1.91 1.91 0.478 0.478 0.478 0.478 0.478 0.478 0.478 0.478 0.478 0.478 0.478 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303002 D011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.631 0.765 0.669 0.631 1.26 0.631 0.765 0.765 0.631 0.631 0.765 0.631 0.631 0.631 0.191 0.191 0.191 0.191 0.191 0.191 0.191 0.191 0.191 0.191 0.191 2 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh UXh h UXh Xh UXh UXh UXh JXh UXh Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 72.9 ND 1.59 ND ND ND 0.366 ND ND ND 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 Page 8 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.478 0.478 0.478 0.478 0.478 0.478 0.478 3.83 3.83 0.478 0.478 0.383 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303002 D011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.191 0.191 0.191 0.191 0.191 0.191 0.191 1.43 1.26 0.191 0.191 0.191 JXh Xh Xh Xh Uh Uh JXh BXh UXh JXh Xh Xh acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" 0.468 1.17 8.92 2.17 ND ND 0.263 14.3 ND 0.396 0.791 1.78 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 0.0191 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 9 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303002 D011023-02 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 10 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481644ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 0.490 3.92 3.92 0.490 0.490 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303003 Water 18-JAN-23 12:30 09-FEB-23 W011023-19 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 0.196 1.47 1.29 0.196 0.196 1UXh Uh UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 7.30 ND ND ND 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 Page 11 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481422 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.392 1.96 3.92 3.92 3.85 3.68 3.72 3.76 3.92 3.92 3.92 3.92 3.92 1.74 1.96 1.90 1.96 1.96 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303003 W011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.196 0.647 1.29 1.29 1.29 1.29 1.29 1.29 1.29 1.29 1.29 1.29 0.647 0.647 0.784 0.647 0.764 0.647 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 Page 12 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.86 1.96 3.92 1.78 1.96 1.88 1.96 3.92 1.96 1.96 1.96 1.84 1.96 1.96 1.96 1.96 1.96 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303003 W011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.647 0.647 1.29 0.647 0.784 0.686 0.647 1.29 0.647 0.784 0.784 0.647 0.647 0.784 0.647 0.647 0.647 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 0.0196 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 13 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303003 W011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 14 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481659ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 0.467 3.73 3.73 0.467 0.467 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303004 Water 18-JAN-23 12:30 09-FEB-23 D011023-19 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 1.40 1.23 0.187 0.187 1UXh h UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND 0.647 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 8.44 ND ND ND 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 Page 15 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481431 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.373 1.87 3.73 3.73 3.67 3.51 3.55 3.58 3.73 3.73 3.73 3.73 3.73 1.66 1.87 1.81 1.87 1.87 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303004 D011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.187 0.616 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 0.616 0.616 0.747 0.616 0.728 0.616 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 Page 16 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.77 1.87 3.73 1.70 1.87 1.79 1.87 3.73 1.87 1.87 1.87 1.75 1.87 1.87 1.87 1.87 1.87 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303004 D011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.616 0.616 1.23 0.616 0.747 0.653 0.616 1.23 0.616 0.747 0.747 0.616 0.616 0.747 0.616 0.616 0.616 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 17 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303004 D011023-19 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 18 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481439ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB31.89 3.78 3.78 3.71 3.55 3.59 3.63 3.78 3.78 3.78 3.78 3.78 1.68 1.89 1.83 1.89 1.89 1.80 1.89 3.78 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303005 Water 18-JAN-23 13:30 09-FEB-23 W011023-21 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.624 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 0.624 0.624 0.756 0.624 0.737 0.624 0.624 0.624 1.25 1Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Jh Uh Uh Uh Uh Uh Uh 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND 0.930 ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 19 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481715 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.72 1.89 1.82 1.89 3.78 1.89 1.89 1.89 1.78 1.89 1.89 1.89 1.89 1.89 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303005 W011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.624 0.756 0.662 0.624 1.25 0.624 0.756 0.756 0.624 0.624 0.756 0.624 0.624 0.624 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 2 Uh Uh Uh Uh Uh Uh h Uh Uh Uh Uh Uh Uh Uh UXh h UXh JXh UXh UXh UXh UXh UXh Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND 2.81 ND ND ND ND ND ND ND ND 25.7 ND 0.431 ND ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 20 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.473 0.473 0.473 0.473 0.473 0.473 0.473 3.78 3.78 0.473 0.473 0.378 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303005 W011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.189 0.189 0.189 0.189 0.189 0.189 0.189 1.42 1.25 0.189 0.189 0.189 JXh JXh Xh Xh Uh Uh UXh BXh UXh UXh Xh Xh acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" 0.192 0.391 4.13 0.829 ND ND ND 10.2 ND ND 0.670 0.972 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 21 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303005 W011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 22 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481448ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB31.87 3.75 3.75 3.68 3.52 3.56 3.60 3.75 3.75 3.75 3.75 3.75 1.67 1.87 1.82 1.87 1.87 1.78 1.87 3.75 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303006 Water 18-JAN-23 13:30 09-FEB-23 D011023-21 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.618 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 0.618 0.618 0.749 0.618 0.730 0.618 0.618 0.618 1.24 1Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Jh Uh Uh Uh Uh Uh Uh 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND 1.12 ND ND ND ND ND ND 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 Page 23 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481730 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.70 1.87 1.80 1.87 3.75 1.87 1.87 1.87 1.76 1.87 1.87 1.87 1.87 1.87 0.468 0.468 0.468 0.468 0.468 0.468 0.468 0.468 0.468 0.468 0.468 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303006 D011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.618 0.749 0.655 0.618 1.24 0.618 0.749 0.749 0.618 0.618 0.749 0.618 0.618 0.618 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 0.187 2 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh UXh h UXh Xh UXh UXh UXh UXh UXh Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 65.3 ND 1.17 ND ND ND ND ND ND ND 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 Page 24 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.468 0.468 0.468 0.468 0.468 0.468 0.468 3.75 3.75 0.468 0.468 0.375 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303006 D011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.187 0.187 0.187 0.187 0.187 0.187 0.187 1.40 1.24 0.187 0.187 0.187 JXh Xh Xh Xh Uh Uh UXh BXh UXh JXh Xh Xh acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" 0.313 0.766 6.26 1.09 ND ND ND 12.9 ND 0.247 2.23 3.80 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 0.0187 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 25 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303006 D011023-21 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 26 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481745ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 0.480 3.84 3.84 0.480 0.480 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303007 Water 18-JAN-23 13:30 09-FEB-23 W011023-21C NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 0.192 1.44 1.27 0.192 0.192 1UXh h UXh Xh UXh UXh UXh JXh UXh Uh Uh JXh Xh Xh Xh Uh Uh UXh BXh UXh JXh Xh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND 62.9 ND 1.47 ND ND ND 0.221 ND ND ND 0.436 1.09 9.29 1.46 ND ND ND 11.2 ND 0.379 1.60 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 Page 27 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481457 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.384 1.92 3.84 3.84 3.77 3.61 3.64 3.68 3.84 3.84 3.84 3.84 3.84 1.71 1.92 1.86 1.92 1.92 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303007 W011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.192 0.633 1.27 1.27 1.27 1.27 1.27 1.27 1.27 1.27 1.27 1.27 0.633 0.633 0.767 0.633 0.748 0.633 2 Xh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Jh Uh Uh Uh (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" 2.66 ND ND ND ND ND ND ND ND ND ND ND ND ND 1.57 ND ND ND 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 Page 28 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.82 1.92 3.84 1.75 1.92 1.84 1.92 3.84 1.92 1.92 1.92 1.80 1.92 1.92 1.92 1.92 1.92 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303007 W011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.633 0.633 1.27 0.633 0.767 0.671 0.633 1.27 0.633 0.767 0.767 0.633 0.633 0.767 0.633 0.633 0.633 Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 0.0192 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 29 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303007 W011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 30 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481815ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 3.77 3.77 0.471 0.471 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303008 Water 18-JAN-23 13:30 09-FEB-23 D011023-21C NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 1.41 1.24 0.188 0.188 1UXh h UXh Xh UXh UXh UXh UXh UXh Uh Uh JXh JXh Xh Xh Uh Uh UXh BXh UXh UXh Xh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND 25.8 ND 1.18 ND ND ND ND ND ND ND 0.192 0.369 1.61 1.26 ND ND ND 6.57 ND ND 0.515 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 Page 31 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481506 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.377 1.88 3.77 3.77 3.70 3.54 3.58 3.62 3.77 3.77 3.77 3.77 3.77 1.68 1.88 1.83 1.88 1.88 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303008 D011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.188 0.622 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 0.622 0.622 0.754 0.622 0.735 0.622 2 Xh hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" 0.634 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 Page 32 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.79 1.88 3.77 1.72 1.88 1.81 1.88 3.77 1.88 1.88 1.88 1.77 1.88 1.88 1.88 1.88 1.88 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303008 D011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.622 0.622 1.24 0.622 0.754 0.660 0.622 1.24 0.622 0.754 0.754 0.622 0.622 0.754 0.622 0.622 0.622 hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 33 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303008 D011023-21C NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 34 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23830881740ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/13/23JMB31.89 3.77 3.77 3.70 3.55 3.58 3.62 3.77 3.77 3.77 3.77 3.77 1.68 1.89 1.83 1.89 1.89 1.79 1.89 3.77 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303009 Water 18-JAN-23 12:45 09-FEB-23 W011023-32 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.622 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 0.622 0.622 0.754 0.622 0.736 0.622 0.622 0.622 1.24 1hU hU hU hU hU hU hU hU hU hU hU hU hU h hU hU hU hU hU hU 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND 2.28 ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 35 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23830882319 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.72 1.89 1.81 1.89 3.77 1.89 1.89 1.89 1.77 1.89 1.89 1.89 1.89 1.89 0.472 0.472 0.472 0.472 0.472 0.472 0.472 0.472 0.472 0.472 0.472 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303009 W011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.622 0.754 0.660 0.622 1.24 0.622 0.754 0.754 0.622 0.622 0.754 0.622 0.622 0.622 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 2 hU hU hU hU hU hU hU hU hU hU hU hU hU hU hUX h hUX hUX hUX hUX hUX hUX XhU Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 15.9 ND ND ND ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 36 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.472 0.472 0.472 0.472 0.472 0.472 0.472 3.77 3.77 0.472 0.472 0.377 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303009 W011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.189 0.189 0.189 0.189 0.189 0.189 0.189 1.41 1.24 0.189 0.189 0.189 UXh hUX hJX hUX hU hU hUX hBX hUX hUX hUX hX acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND 0.382 ND ND ND ND 9.20 ND ND ND 0.550 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/13/23 2382847 2383086 1618 1054 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 37 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303009 W011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 38 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481524ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB31.86 3.71 3.71 3.65 3.49 3.53 3.57 3.71 3.71 3.71 3.71 3.71 1.65 1.86 1.80 1.86 1.86 1.76 1.86 3.71 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303010 Water 18-JAN-23 12:45 09-FEB-23 D011023-32 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.613 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 1.23 0.613 0.613 0.743 0.613 0.724 0.613 0.613 0.613 1.23 1hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 Page 39 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481846 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR3 1.69 1.86 1.78 1.86 3.71 1.86 1.86 1.86 1.75 1.86 1.86 1.86 1.86 1.86 0.464 0.464 0.464 0.464 0.464 0.464 0.464 0.464 0.464 0.464 0.464 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303010 D011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.613 0.743 0.650 0.613 1.23 0.613 0.743 0.743 0.613 0.613 0.743 0.613 0.613 0.613 0.186 0.186 0.186 0.186 0.186 0.186 0.186 0.186 0.186 0.186 0.186 2 hU hU hU hU hU hU hU hU hU hU hU hU hU hU UXh h UXh UXh UXh UXh UXh UXh UXh Uh Uh (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.687 ND ND ND ND ND ND ND ND ND 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 Page 40 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 0.464 0.464 0.464 0.464 0.464 0.464 0.464 3.71 3.71 0.464 0.464 0.371 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303010 D011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.186 0.186 0.186 0.186 0.186 0.186 0.186 1.39 1.23 0.186 0.186 0.186 UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh UXh acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND 6.82 ND ND ND ND 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 0.0186 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 41 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303010 D011023-32 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 42 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481901ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 0.463 3.70 3.70 0.463 0.463 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303011 Water 18-JAN-23 13:00 09-FEB-23 W011023-33 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 0.185 1.39 1.22 0.185 0.185 1UXh h UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND 0.960 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 8.31 ND ND ND 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 Page 43 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481533 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.370 1.85 3.70 3.70 3.64 3.48 3.52 3.55 3.70 3.70 3.70 3.70 3.70 1.65 1.85 1.80 1.85 1.85 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303011 W011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.185 0.611 1.22 1.22 1.22 1.22 1.22 1.22 1.22 1.22 1.22 1.22 0.611 0.611 0.741 0.611 0.722 0.611 2 UXh Uh hU hU hU hU hU hU hU hJ hU hU hU hU hJ hU hU hU (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND 1.35 ND ND ND ND 1.00 ND ND ND 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 Page 44 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.76 1.85 3.70 1.68 1.85 1.78 1.85 3.70 1.85 1.85 1.85 1.74 1.85 1.85 1.85 1.85 1.85 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303011 W011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.611 0.611 1.22 0.611 0.741 0.648 0.611 1.22 0.611 0.741 0.741 0.611 0.611 0.741 0.611 0.611 0.611 hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 0.0185 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 45 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303011 W011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 46 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481916ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 0.473 3.78 3.78 0.473 0.473 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303012 Water 18-JAN-23 13:00 09-FEB-23 D011023-33 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 0.189 1.42 1.25 0.189 0.189 1UXh h UXh JXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND 5.09 ND 0.296 ND ND ND ND ND ND ND ND ND ND ND ND ND ND 8.61 ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 47 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481542 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.378 1.89 3.78 3.78 3.72 3.56 3.59 3.63 3.78 3.78 3.78 3.78 3.78 1.68 1.89 1.84 1.89 1.89 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303012 D011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.189 0.624 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 0.624 0.624 0.757 0.624 0.738 0.624 2 UXh Uh Uh Uh Uh Uh Uh hU hU hU hU hU hU hU hU hU hU hU (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 Page 48 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.80 1.89 3.78 1.72 1.89 1.82 1.89 3.78 1.89 1.89 1.89 1.78 1.89 1.89 1.89 1.89 1.89 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303012 D011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.624 0.624 1.25 0.624 0.757 0.662 0.624 1.25 0.624 0.757 0.757 0.624 0.624 0.757 0.624 0.624 0.624 hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 0.0189 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 49 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303012 D011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 50 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481931ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 3.65 3.65 0.457 0.457 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303013 Water 18-JAN-23 13:00 09-FEB-23 FB011023-33 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 1.37 1.21 0.183 0.183 1UXh Uh UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 7.02 ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 Page 51 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481600 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.365 1.83 3.65 3.65 3.59 3.43 3.47 3.51 3.65 3.65 3.65 3.65 3.65 1.63 1.83 1.77 1.83 1.83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303013 FB011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.183 0.603 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 0.603 0.603 0.730 0.603 0.712 0.603 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh hU hU hU hU hU hU (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 Page 52 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.73 1.83 3.65 1.66 1.83 1.75 1.83 3.65 1.83 1.83 1.83 1.72 1.83 1.83 1.83 1.83 1.83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303013 FB011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.603 0.603 1.21 0.603 0.730 0.639 0.603 1.21 0.603 0.730 0.730 0.603 0.603 0.730 0.603 0.603 0.603 hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/16/23 02/11/23 2384884 2382847 1036 1618 DK2 SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 53 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303013 FB011023-33 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 54 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481946ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 0.457 3.66 3.66 0.457 0.457 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303014 Water 18-JAN-23 15:20 09-FEB-23 W011023-MB NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 0.183 1.37 1.21 0.183 0.183 1UXh Uh UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 11.9 ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 Page 55 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481609 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.366 1.83 3.66 3.66 3.59 3.44 3.48 3.51 3.66 3.66 3.66 3.66 3.66 1.63 1.83 1.77 1.83 1.83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303014 W011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.183 0.604 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 1.21 0.604 0.604 0.732 0.604 0.713 0.604 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh h Uh hU hU (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND 3.72 ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 Page 56 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.74 1.83 3.66 1.66 1.83 1.76 1.83 3.66 1.83 1.83 1.83 1.72 1.83 1.83 1.83 1.83 1.83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303014 W011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.604 0.604 1.21 0.604 0.732 0.640 0.604 1.21 0.604 0.732 0.732 0.604 0.604 0.732 0.604 0.604 0.604 Uh Uh hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 0.0183 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 57 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303014 W011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 58 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828482001ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 0.471 3.77 3.77 0.471 0.471 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303015 Water 18-JAN-23 15:20 09-FEB-23 D011023-MB NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 0.188 1.41 1.24 0.188 0.188 1UXh Uh UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 8.01 ND ND ND 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 Page 59 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481617 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.377 1.88 3.77 3.77 3.70 3.54 3.58 3.62 3.77 3.77 3.77 3.77 3.77 1.68 1.88 1.83 1.88 1.88 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303015 D011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.188 0.622 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 1.24 0.622 0.622 0.754 0.622 0.735 0.622 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 Page 60 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.79 1.88 3.77 1.72 1.88 1.81 1.88 3.77 1.88 1.88 1.88 1.77 1.88 1.88 1.88 1.88 1.88 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303015 D011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.622 0.622 1.24 0.622 0.754 0.660 0.622 1.24 0.622 0.754 0.754 0.622 0.622 0.754 0.622 0.622 0.622 Uh Uh hU hU hU hU hU hU hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 0.0188 The following Prep Methods were performed: EPA 537.1 Modified EPA 537.1 Modified PFCs Extraction in Liquid PFCs Extraction in Liquid 02/11/23 02/16/23 2382847 2384884 1618 1036 SR2 DK2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 61 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303015 D011023-MB NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 62 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828482017ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/14/23RR30.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 0.442 3.54 3.54 0.442 0.442 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303016 Water 23-JAN-23 16:00 09-FEB-23 TB012323-00 NCDQ00122Project: NCDQ001Client ID: Client Sample ID: Receive Date: Division of Air Quality Laboratory Client Sample ID: Matrix: Collect Date: Collector: 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 0.177 1.33 1.17 0.177 0.177 1UXh Uh UXh UXh UXh UXh UXh UXh UXh Uh Uh UXh UXh UXh UXh Uh Uh UXh BXh UXh UXh UXh 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3-heptafluoropropoxy)- propanoic acid (Gen-X) 4- (Heptafluoroisopropoxy)hexafluorob utanoic acid (PFECA-G) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Hydro-EVE Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoroethoxypropionic acid (EVE) Perfluoropropanoic acid (PFPrA) R-EVE Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 7.68 ND ND ND 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 Page 63 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs 23828481626 ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 02/12/23JMB3 0.354 1.77 3.54 3.54 3.48 3.33 3.36 3.40 3.54 3.54 3.54 3.54 3.54 1.57 1.77 1.72 1.77 1.77 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303016 TB012323-00 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.177 0.584 1.17 1.17 1.17 1.17 1.17 1.17 1.17 1.17 1.17 1.17 0.584 0.584 0.708 0.584 0.690 0.584 2 UXh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh Uh (PEPA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Perfluorododecanesulfonic acid (PFDoS) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanoic acid (PFDOA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 Page 64 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF LCMSMS PFCs ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L 1.68 1.77 3.54 1.61 1.77 1.70 1.77 3.54 1.77 1.77 1.77 1.66 1.77 1.77 1.77 1.77 1.77 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303016 TB012323-00 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: 0.584 0.584 1.17 0.584 0.708 0.619 0.584 1.17 0.584 0.708 0.708 0.584 0.584 0.708 0.584 0.584 0.584 Uh Uh Uh Uh Uh Uh Uh Uh hU hU hU hU hU hU hU hU hU Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) EPA 537Mod PFCs by LC-MS/MS "As Received" ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 0.0177 The following Prep Methods were performed: EPA 537.1 Modified PFCs Extraction in Liquid 02/11/23 23828471618SR2 Method Description Analyst Date Time Prep Batch The following Analytical Methods were performed: 1 2 Method Description EPA 537.1 Modified EPA 537.1 Modified Analyst Comments Notes: Page 65 of 103 SDG: 610303 Certificate of Analysis GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Report Date: February 22, 2023 Parameter Result UnitsQualifier Analyst Date TimeDF Batch MethodRLDLPF Jim BowyerContact: NCDENRCompany : 4403 Reedy Creek Road Raleigh, North Carolina 27607 Address : NCDAQProject: 610303016 TB012323-00 NCDQ00122Project: NCDQ001Client ID:Sample ID: Division of Air Quality Laboratory Client Sample ID: Lc/LC: Critical Level PF: Prep Factor RL: Reporting Limit SQL: Sample Quantitation Limit Column headers are defined as follows: DF: Dilution Factor DL: Detection Limit MDA: Minimum Detectable Activity MDC: Minimum Detectable Concentration Page 66 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE Parmname Jim BowyerContact: NCDENR 4403 Reedy Creek Road Raleigh, North Carolina February 22, 2023Report Date: Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 RR3 JMB3 RR3 02/14/23 15:43 02/12/23 11:15 02/14/23 15:43 02/12/23 11:15 02/14/23 15:43 02/12/23 11:15 02/14/23 15:43 QC 14.5 12.4 16.9 16.9 20.1 15.6 18.9 17.4 15.7 15.4 14.8 17.2 18.1 NOM Sample Range (60%-158%) (59%-144%) (67%-144%) (58%-144%) (54%-128%) (52%-141%) (67%-154%) (73%-141%) (68%-135%) (56%-151%) (60%-153%) (60%-141%) (61%-148%) Qual X X X X QC1205318841 REC% 75 68 87 87 104 80 98 90 87 85 80 92 94 19.4 18.3 19.4 19.4 19.4 19.4 19.4 19.4 18.1 18.1 18.4 18.6 19.4 LCS 610303Workorder: Division of Air Quality Laboratory RPD/D% Page 1 of 28 Page 67 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 02/12/23 11:15 02/14/23 15:43 QC 16.2 14.5 17.2 17.7 11.7 16.9 4.26 4.30 16.5 16.2 16.2 16.1 16.6 17.4 16.8 NOM Sample Range (23%-155%) (57%-139%) (20%-154%) (59%-145%) (35%-138%) (63%-143%) (18%-158%) (34%-149%) (59%-145%) (48%-149%) (52%-148%) (58%-147%) (60%-151%) (62%-148%) (60%-144%) Qual X X X X X X X X X REC% 83 75 89 91 61 87 22 22 85 84 83 83 86 90 87 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4 610303Workorder: * RPD/D% Page 2 of 28 Page 68 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 02/14/23 15:43 02/12/23 11:15 02/14/23 15:43 02/12/23 11:15 QC 17.9 16.5 16.2 16.0 15.7 18.8 14.8 17.1 13.2 17.0 13.3 14.8 17.5 18.4 16.0 NOM Sample Range (58%-142%) (50%-150%) (52%-144%) (60%-149%) (70%-144%) (73%-151%) (58%-134%) (65%-145%) (57%-134%) (65%-137%) (20%-160%) (68%-138%) (71%-133%) (69%-144%) (67%-145%) Qual X X X REC% 92 85 83 82 92 97 79 88 71 88 69 80 90 95 90 19.4 19.4 19.4 19.4 17.2 19.4 18.7 19.4 18.8 19.4 19.4 18.4 19.4 19.4 17.7 610303Workorder: RPD/D% Page 3 of 28 Page 69 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 02/12/23 11:15 02/14/23 15:43 02/12/23 11:15 02/14/23 15:43 02/14/23 15:59 QC 16.0 14.9 16.9 9.02 16.2 16.0 17.9 15.4 14.3 20.6 18.0 18.1 15.4 4.65 19.0 NOM Sample Range (70%-138%) (64%-133%) (69%-133%) (35%-165%) (64%-134%) (65%-145%) (66%-139%) (67%-136%) (72%-143%) (49%-153%) (66%-138%) (58%-140%) (63%-135%) (22%-158%) (0%-30%) Qual BX X X QC1205318842 26 REC% 82 80 87 47 83 82 92 84 74 106 93 93 79 24 98 19.4 18.6 19.4 19.4 19.4 19.4 19.4 18.2 19.4 19.4 19.4 19.4 19.4 19.4 19.3 LCSD 610303Workorder: RPD/D% Page 4 of 28 Page 70 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 JMB3 02/12/23 11:23 02/14/23 15:59 02/12/23 11:23 02/14/23 15:59 02/12/23 11:23 02/14/23 15:59 02/12/23 11:23 QC 15.2 20.9 21.5 19.8 20.6 20.4 20.1 18.3 19.4 18.7 16.3 21.1 18.8 18.6 22.0 NOM Sample Range (0%-27%) (0%-30%) (0%-27%) (0%-28%) (0%-30%) (0%-26%) (0%-24%) (0%-26%) (0%-32%) (0%-32%) (0%-36%) (0%-24%) (0%-27%) (0%-27%) (0%-36%) Qual X X X 20 21 24 2 28 8 15 15 23 23 5 15 15 24 25 REC% 83 108 111 102 106 105 104 101 107 102 88 109 97 96 114 18.2 19.3 19.3 19.3 19.3 19.3 19.3 18.0 18.1 18.4 18.6 19.3 19.3 19.3 19.3 610303Workorder: RPD/D% Page 5 of 28 Page 71 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 02/12/23 11:23 02/14/23 15:59 QC 20.4 13.9 19.6 2.75 3.52 19.9 20.3 20.0 18.3 20.5 20.6 20.3 22.7 20.8 20.0 NOM Sample Range (0%-27%) (0%-28%) (0%-23%) (0%-45%) (0%-40%) (0%-26%) (0%-27%) (0%-35%) (0%-40%) (0%-39%) (0%-36%) (0%-27%) (0%-29%) (0%-30%) (0%-31%) Qual X X X X X X X X X X X 14 17 15 43 20 19 22 21 13 21 17 19 24 23 21 REC% 105 72 101 14 18 103 105 104 94 106 106 105 117 107 104 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3 610303Workorder: * * RPD/D% Page 6 of 28 Page 72 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 02/14/23 15:59 02/12/23 11:23 02/14/23 15:59 02/12/23 11:23 QC 20.4 17.6 19.6 17.1 20.6 15.4 19.2 16.0 17.3 20.1 19.3 19.3 18.6 18.3 19.7 NOM Sample Range (0%-25%) (0%-35%) (0%-20%) (0%-30%) (0%-31%) (0%-32%) (0%-26%) (0%-30%) (0%-40%) (0%-23%) (0%-26%) (0%-27%) (0%-27%) (0%-27%) (0%-25%) Qual X 24 12 5 14 18 15 12 18 16 14 4 19 15 20 15 REC% 105 103 102 91 106 82 99 83 94 104 99 109 96 98 102 19.3 17.1 19.3 18.7 19.3 18.7 19.3 19.3 18.4 19.3 19.3 17.6 19.3 18.6 19.3 610303Workorder: RPD/D% Page 7 of 28 Page 73 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 02/12/23 11:23 02/14/23 15:59 02/12/23 11:23 02/14/23 15:59 02/14/23 15:28 02/12/23 11:06 02/14/23 15:28 QC 10.2 18.7 18.4 19.6 17.5 19.7 25.4 19.4 21.0 18.0 5.22 ND ND ND ND NOM Sample Range (0%-39%) (0%-26%) (0%-25%) (0%-27%) (0%-40%) (0%-25%) (0%-26%) (0%-26%) (0%-31%) (0%-30%) (0%-26%) Qual BX X UX U U UX QC1205318840 13 14 14 9 13 32 21 7 15 16 12 REC% 53 96 95 101 96 102 131 100 109 93 27 19.3 19.3 19.3 19.3 18.2 19.3 19.3 19.3 19.3 19.3 19.3 MB 610303Workorder: * RPD/D% Page 8 of 28 Page 74 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 02/12/23 11:06 02/14/23 15:28 02/12/23 11:06 02/14/23 15:28 02/12/23 11:06 02/14/23 15:28 QC ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NOM Sample RangeQual U U U UX U U U U UX U U U U UX UX REC% 610303Workorder: RPD/D% Page 9 of 28 Page 75 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 02/14/23 15:28 02/12/23 11:06 QC ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NOM Sample RangeQual UX UX UX U U UX UX UX UX U UX UX U U U REC% 610303Workorder: RPD/D% Page 10 of 28 Page 76 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848Batch Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 02/12/23 11:06 02/14/23 15:28 02/12/23 11:06 QC ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NOM Sample RangeQual U U U U UX U U U U U U U U U U REC% 610303Workorder: RPD/D% Page 11 of 28 Page 77 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2382848 2383088 Batch Batch Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 RR3 JMB3 RR3 JMB3 02/12/23 11:06 02/14/23 15:28 02/12/23 11:06 02/14/23 15:28 02/14/23 23:03 02/13/23 17:32 02/14/23 23:03 02/13/23 17:32 QC ND ND ND 8.84 ND ND ND ND 19.2 12.7 18.6 19.6 18.6 17.9 NOM Sample Range (60%-158%) (59%-144%) (67%-144%) (58%-144%) (54%-128%) (52%-141%) Qual U U U X U U U UX X X QC1205319529 REC% 103 72 99 105 100 96 18.7 17.6 18.7 18.7 18.7 18.7 LCS 610303Workorder: RPD/D% Page 12 of 28 Page 78 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 02/13/23 17:32 02/14/23 23:03 02/13/23 17:32 02/14/23 23:03 02/13/23 17:32 02/14/23 23:03 QC 16.3 18.1 15.1 15.9 17.0 20.2 18.7 19.8 18.3 21.0 17.3 11.4 19.2 5.45 5.85 NOM Sample Range (67%-154%) (73%-141%) (68%-135%) (56%-151%) (60%-153%) (60%-141%) (61%-148%) (23%-155%) (57%-139%) (20%-154%) (59%-145%) (35%-138%) (63%-143%) (18%-158%) (34%-149%) Qual X X X X X X REC% 87 97 87 91 96 113 100 106 98 112 93 61 103 29 31 18.7 18.7 17.4 17.5 17.8 18.0 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 610303Workorder: * RPD/D% Page 13 of 28 Page 79 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 02/14/23 23:03 02/13/23 17:32 QC 19.7 17.6 19.1 18.6 19.1 18.4 18.6 20.7 19.1 18.9 19.5 17.9 19.1 14.4 17.6 NOM Sample Range (59%-145%) (48%-149%) (52%-148%) (58%-147%) (60%-151%) (62%-148%) (60%-144%) (58%-142%) (50%-150%) (52%-144%) (60%-149%) (70%-144%) (73%-151%) (58%-134%) (65%-145%) Qual X X X X X X X REC% 105 94 102 99 102 98 100 111 102 101 104 108 102 80 94 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 16.6 18.7 18.0 18.7 610303Workorder: RPD/D% Page 14 of 28 Page 80 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 02/13/23 17:32 02/14/23 23:03 02/13/23 17:32 QC 13.0 18.2 12.6 17.3 17.1 19.5 17.4 19.6 15.2 18.4 10.1 18.5 16.3 17.6 18.7 NOM Sample Range (57%-134%) (65%-137%) (20%-160%) (68%-138%) (71%-133%) (69%-144%) (67%-145%) (70%-138%) (64%-133%) (69%-133%) (35%-165%) (64%-134%) (65%-145%) (66%-139%) (67%-136%) Qual X REC% 72 97 67 97 92 104 102 105 84 98 54 99 87 94 106 18.1 18.7 18.7 17.8 18.7 18.7 17.1 18.7 18.0 18.7 18.7 18.7 18.7 18.7 17.6 610303Workorder: RPD/D% Page 15 of 28 Page 81 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 JMB3 RR3 JMB3 02/13/23 17:32 02/14/23 23:03 02/13/23 17:32 02/14/23 23:03 02/14/23 22:48 02/13/23 17:23 02/14/23 22:48 02/13/23 17:23 02/14/23 22:48 02/13/23 17:23 QC 17.1 21.0 18.4 18.3 17.1 8.41 ND ND ND ND ND ND ND ND ND NOM Sample Range (72%-143%) (49%-153%) (66%-138%) (58%-140%) (63%-135%) (22%-158%) Qual BX X UX U U UX U U U UX U QC1205319528 REC% 92 112 98 98 91 45 18.7 18.7 18.7 18.7 18.7 18.7 MB 610303Workorder: RPD/D% Page 16 of 28 Page 82 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 02/13/23 17:23 02/14/23 22:48 02/13/23 17:23 02/14/23 22:48 QC ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NOM Sample RangeQual U U U UX U U U U UX UX UX UX UX U U REC% 610303Workorder: RPD/D% Page 17 of 28 Page 83 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 02/14/23 22:48 02/13/23 17:23 02/14/23 22:48 QC ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NOM Sample RangeQual UX UX UX UX U UX UX U U U U U U U UX REC% 610303Workorder: RPD/D% Page 18 of 28 Page 84 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 02/13/23 17:23 02/14/23 22:48 02/13/23 17:23 QC ND ND ND ND ND ND ND ND ND ND ND ND ND 4.33 ND NOM Sample RangeQual U U U U U U U U U U U U U X U REC% 610303Workorder: RPD/D% Page 19 of 28 Page 85 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 JMB3 RR3 JMB3 02/13/23 17:23 02/14/23 22:48 02/15/23 00:04 02/13/23 18:06 02/15/23 00:04 02/13/23 18:06 02/15/23 00:04 02/13/23 18:06 QC ND ND ND 15.5 12.9 16.7 17.4 18.0 18.4 14.8 17.0 15.9 19.4 21.3 16.8 NOM Sample ND ND 0.597 0.191 ND ND ND ND ND ND ND ND Range (50%-145%) (42%-138%) (51%-159%) (50%-148%) (44%-127%) (39%-138%) (62%-132%) (58%-157%) (54%-139%) (53%-151%) (50%-154%) (40%-152%) Qual U U UX X X X QC1205319530 610592002 REC% 91 81 95 101 106 108 87 100 100 122 132 103 17.0 16.0 17.0 17.0 17.0 17.0 17.0 17.0 15.8 15.9 16.1 16.3 MS 610303Workorder: UX U JX U U U UX U U U U RPD/D% Page 20 of 28 Page 86 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 02/15/23 00:04 02/13/23 18:06 02/15/23 00:04 QC 17.2 16.5 15.0 18.9 15.3 12.1 16.7 4.15 4.62 16.7 16.8 17.4 14.7 16.8 16.6 NOM Sample ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Range (61%-142%) (26%-138%) (38%-148%) (26%-139%) (40%-144%) (38%-133%) (40%-155%) (45%-160%) (50%-150%) (61%-141%) (43%-156%) (50%-148%) (43%-160%) (45%-163%) (40%-162%) Qual X X X X X X X X X REC% 102 97 88 111 90 71 98 24 27 99 99 102 87 99 98 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 610303Workorder: * * UX U U U U UX UX UX UX UX U U UX UX UX RPD/D% Page 21 of 28 Page 87 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 02/15/23 00:04 02/13/23 18:06 02/15/23 00:04 02/13/23 18:06 QC 16.5 18.8 35.9 17.2 17.9 17.8 19.0 14.9 17.4 14.0 18.3 13.4 16.4 16.9 16.2 NOM Sample ND ND 17.5 0.403 ND ND ND ND ND ND ND ND ND ND ND Range (38%-165%) (31%-150%) (50%-150%) (40%-182%) (19%-167%) (52%-147%) (57%-149%) (45%-136%) (44%-143%) (47%-138%) (45%-142%) (50%-150%) (56%-149%) (51%-149%) (32%-151%) Qual X X X X REC% 97 111 108 99 105 118 112 91 102 85 108 79 102 99 95 17.0 17.0 17.0 17.0 17.0 15.0 17.0 16.4 17.0 16.4 17.0 17.0 16.1 17.0 17.0 610303Workorder: UX U X JX U U U U U U U UX U U U RPD/D% Page 22 of 28 Page 88 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 02/13/23 18:06 02/15/23 00:04 02/13/23 18:06 02/15/23 00:04 QC 14.1 16.6 16.4 17.2 7.22 16.2 16.5 15.9 15.5 17.1 29.7 18.4 19.7 18.8 5.27 NOM Sample ND ND ND ND ND ND ND ND ND ND 17.4 ND ND ND ND Range (50%-148%) (50%-150%) (48%-138%) (54%-146%) (18%-140%) (49%-143%) (42%-150%) (50%-151%) (55%-151%) (51%-146%) (32%-155%) (41%-148%) (41%-142%) (44%-141%) (45%-164%) Qual BX X REC% 91 98 100 101 42 95 97 94 97 100 73 108 116 111 31 15.5 17.0 16.3 17.0 17.0 17.0 17.0 17.0 16.0 17.0 17.0 17.0 17.0 17.0 17.0 610303Workorder: * U U U U U U U U U U XB U U U UX RPD/D% Page 23 of 28 Page 89 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch 1,1,2,2-Tetrafluoro-2-(1,2,2,2- tetrafluoroethoxy)ethane sulfonic acid (NVHOS) 11-Chloroeicosafluoro-3- oxaundecane-1-sulfonic acid (F- 53B Minor) 2,3,3,3-Tetrafluoro-2- (1,1,2,2,3,3,3- heptafluoropropoxy)-propanoic acid (Gen-X) 2,3,3,3-Tetrafluoro-2- (pentafluoroethoxy)propanoic acid (PEPA) 2-(N-ethylperfluoro-1- octanesulfonamido)-ethanol (N- EtFOSE) 2-(N-methylperfluoro-1- octanesulfonamido)-ethanol (N- MeFOSE) 4,8-Dioxa-3H-perfluorononanoic acid (DONA,ADONA) 4- (Heptafluoroisopropoxy)hexafluoro butanoic acid (PFECA-G) 9-Chlorohexadecafluoro-3- oxanonane-1-sulfonic acid (F-53B Major) Fluorotelomer sulfonic acid 4:2 (4:2 FTS) Fluorotelomer sulfonic acid 6:2 (6:2 FTS) Fluorotelomer sulfonic acid 8:2 (8:2 FTS) Hydro-EVE N-ethylperfluoro-1- octanesulfonamide (N-EtFOSA) N-ethylperfluoro-1- octanesulfonamidoacetic acid (N- EtFOSAA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 RR3 JMB3 RR3 JMB3 02/15/23 00:19 02/13/23 18:15 02/15/23 00:19 02/13/23 18:15 02/15/23 00:19 02/13/23 18:15 02/15/23 00:19 02/13/23 18:15 QC 15.9 15.0 16.6 17.5 18.5 16.7 18.4 16.6 16.6 19.3 15.4 16.5 16.9 14.8 16.1 NOM Sample ND ND 0.597 0.191 ND ND ND ND ND ND ND ND ND ND ND Range (0%-30%) (0%-36%) (0%-28%) (0%-34%) (0%-39%) (0%-40%) (0%-28%) (0%-31%) (0%-33%) (0%-39%) (0%-40%) (0%-44%) (0%-29%) (0%-42%) (0%-36%) Qual X X X X QC1205319531 610592002 2 15 0 1 3 10 22 3 4 0 32 2 2 11 7 REC% 92 92 93 100 107 96 107 96 103 119 94 100 98 86 93 17.3 16.3 17.3 17.3 17.3 17.3 17.3 17.3 16.1 16.2 16.4 16.6 17.3 17.3 17.3 MSD 610303Workorder: UX U JX U U U UX U U U U UX U U RPD/D% Page 24 of 28 Page 90 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch N-methylperfluoro-1- octanesulfonamide (N-MeFOSA) N-methylperfluoro-1- octanesulfonamidoacetic acid (N- MeFOSAA) Nafion Byproduct 1 (PFESA BP1) Nafion Byproduct 2 (PFESA BP2) Nafion Byproduct 4 (PFESA BP4) Nafion Byproduct 5 (PFESA BP5) Nafion Byproduct 6 (PFESA BP6) Nonafluoro-3,6-dioxaheptanoic acid (NFDHA or PFECA B) Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA or PES) Perfluoro(3,5,7,9,11- pentaoxadodecanoic) acid (PFO5DA or TAFN4) Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) Perfluoro(3,5,7-trioxaoctanoic) acid (PFO3OA) Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA) Perfluoro(4-methoxybutanoic) acid (PFMOBA) Perfluoro-2- (perfluoromethoxy)propanoic acid (PMPA) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 02/13/23 18:15 02/15/23 00:19 QC 16.7 17.8 12.3 16.2 1.87 2.26 16.2 16.8 17.9 15.0 17.1 17.7 16.7 18.6 35.8 NOM Sample ND ND ND ND ND ND ND ND ND ND ND ND ND ND 17.5 Range (0%-40%) (0%-36%) (0%-33%) (0%-26%) (0%-32%) (0%-34%) (0%-30%) (0%-33%) (0%-28%) (0%-44%) (0%-38%) (0%-41%) (0%-31%) (0%-46%) (0%-30%) Qual X X X X X X X X X X 12 15 2 3 76 69 3 0 3 2 1 6 1 1 0 REC% 97 103 71 94 11 13 94 97 104 87 99 102 96 108 105 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 610303Workorder: * * U U UX UX UX UX UX U U UX UX UX UX U X * * RPD/D% Page 25 of 28 Page 91 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluoro-2-methoxyacetic acid (PFMOAA) Perfluoro-3-methoxypropanoic acid (PFMOPrA) Perfluorobutanesulfonic acid (PFBS) Perfluorobutanoic acid (PFBA) Perfluorodecanesulfonic acid (PFDS) Perfluorodecanoic acid (PFDA) Perfluorododecanesulfonic acid (PFDoS) Perfluorododecanoic acid (PFDOA) Perfluoroethoxypropionic acid (EVE) Perfluoroheptanesulfonic acid (PFHpS) Perfluoroheptanoic acid (PFHpA) Perfluorohexadecanoic acid (PFHxDA) Perfluorohexanesulfonic acid (PFHxS) Perfluorohexanoic acid (PFHxA) Perfluorononanesulfonic acid (PFNS) Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time RR3 JMB3 RR3 JMB3 02/15/23 00:19 02/13/23 18:15 02/15/23 00:19 02/13/23 18:15 QC 16.9 17.6 17.5 18.4 15.6 18.3 15.6 17.4 13.7 17.9 17.6 18.9 18.6 18.6 17.8 NOM Sample 0.403 ND ND ND ND ND ND ND ND ND ND ND ND ND ND Range (0%-41%) (0%-35%) (0%-27%) (0%-23%) (0%-36%) (0%-35%) (0%-35%) (0%-30%) (0%-30%) (0%-30%) (0%-26%) (0%-33%) (0%-31%) (0%-26%) (0%-35%) Qual X X 2 1 2 3 4 5 11 5 2 9 4 16 27 11 8 REC% 96 102 114 107 93 106 93 101 79 109 102 110 118 107 107 17.3 17.3 15.3 17.3 16.7 17.3 16.7 17.3 17.3 16.4 17.3 17.3 15.8 17.3 16.6 610303Workorder: JX U U U U U U U UX U U U U U U RPD/D% Page 26 of 28 Page 92 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Perfluorinated Compounds 2383088Batch Perfluorononanoic acid (PFNA) Perfluorooctadecanoic acid (PFODA) Perfluorooctanesulfonamide (PFOSA) Perfluorooctanesulfonic acid (PFOS) Perfluorooctanoic acid (PFOA) Perfluoropentanesulfonic acid (PFPeS) Perfluoropentanoic acid (PFPeA) Perfluoropropanoic acid (PFPrA) Perfluorotetradecanoic acid (PFTA) Perfluorotridecanoic Acid (PFTriA) Perfluoroundecanoic acid (PFUnA) R-EVE Parmname Units ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L ng/L Anlst Date Time JMB3 RR3 JMB3 RR3 02/13/23 18:15 02/15/23 00:19 02/13/23 18:15 02/15/23 00:19 QC 18.7 7.09 17.4 17.6 19.6 18.9 16.1 29.9 18.1 19.6 17.9 3.00 NOM Sample ND ND ND ND ND ND ND 17.4 ND ND ND ND Range (0%-30%) (0%-44%) (0%-28%) (0%-31%) (0%-28%) (0%-31%) (0%-24%) (0%-34%) (0%-32%) (0%-35%) (0%-34%) (0%-35%) Qual BX JX The Qualifiers in this report are defined as follows: 9 2 7 7 21 20 6 0 2 0 5 55 REC% 108 41 101 102 114 116 93 72 105 113 103 17 17.3 17.3 17.3 17.3 17.3 16.2 17.3 17.3 17.3 17.3 17.3 17.3 610303Workorder: * U J P C B Analyte was analyzed for, but not detected above the MDL, MDA, MDC or LOD. Value is estimated Organics--The concentrations between the primary and confirmation columns/detectors is >40% different. For HPLC, the difference is >70%. Analyte has been confirmed by GC/MS analysis The target analyte was detected in the associated blank. U U U U U U U XB U U U UX * RPD/D% Notes: Page 27 of 28 Page 93 of 103 SDG: 610303 QC Summary GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com Parmname Page 28 of 28 Units Anlst Date TimeQCNOMSampleRangeQualREC% 610303Workorder: E A X N H ** < > h R ^ D N/A ND NJ JNX UJ Q N1 Y N J Concentration of the target analyte exceeds the instrument calibration range The TIC is a suspected aldol-condensation product Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Organics--Presumptive evidence based on mass spectral library search to make a tentative identification of the analyte (TIC). Quantitation is based on nearest internal standard response factor Analytical holding time was exceeded Analyte is a surrogate compound Result is less than value reported Result is greater than value reported Preparation or preservation holding time was exceeded Sample results are rejected RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL. Qualifier Not Applicable for Radiochemistry. Results are reported from a diluted aliquot of the sample RPD or %Recovery limits do not apply. Analyte concentration is not detected above the detection limit Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Non Calibrated Compound Compound cannot be extracted One or more quality control criteria have not been met. Refer to the applicable narrative or DER. See case narrative QC Samples were not spiked with this compound Presumptive evidence based on mass spectral library search to make a tentative identification of the analyte (TIC). Quantitation is based on nearest internal standard response factor See case narrative for an explanation N/A indicates that spike recovery limits do not apply when sample concentration exceeds spike conc. by a factor of 4 or more or %RPD not applicable. ^ The Relative Percent Difference (RPD) obtained from the sample duplicate (DUP) is evaluated against the acceptance criteria when the sample is greater than five times (5X) the contract required detection limit (RL). In cases where either the sample or duplicate value is less than 5X the RL, a control limit of +/- the RL is used to evaluate the DUP result. * Indicates that a Quality Control parameter was not within specifications. For PS, PSD, and SDILT results, the values listed are the measured amounts, not final concentrations. Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the QC Summary. RPD/D% Page 94 of 103 SDG: 610303 Page 95 of 103 SDG: 610303 Page 96 of 103 SDG: 610303 Page 97 of 103 SDG: 610303 State Certification Alabama Alaska Alaska Drinking Water Arkansas CLIA California Colorado Connecticut DoD ELAP/ ISO17025 A2LA Florida NELAP Foreign Soils Permit Georgia Georgia SDWA Hawaii Idaho Illinois NELAP Indiana Kansas NELAP Kentucky SDWA Kentucky Wastewater Louisiana Drinking Water Louisiana NELAP Maine Maryland Massachusetts Massachusetts PFAS Approv Michigan Mississippi Nebraska Nevada New Hampshire NELAP New Jersey NELAP New Mexico New York NELAP North Carolina North Carolina SDWA North Dakota Oklahoma Pennsylvania NELAP Puerto Rico S. Carolina Radiochem Sanitation Districts of L South Carolina Chemistry Tennessee Texas NELAP Utah NELAP Vermont Virginia NELAP Washington 42200 17-018 SC00012 88-0651 42D0904046 2940 SC00012 PH-0169 2567.01 E87156 P330-15-00283, P330-15-00253 SC00012 967 SC00012 SC00012 200029 C-SC-01 E-10332 90129 90129 LA024 03046 (AI33904) 2019020 270 M-SC012 Letter 9976 SC00012 NE-OS-26-13 SC000122023-4 2054 SC002 SC00012 11501 233 45709 R-158 2022-160 68-00485 SC00012 10120002 9255651 10120001 TN 02934 T104704235-22-20 SC000122022-37 VT87156 460202 C780 List of current GEL Certifications as of 22 February 2023 Page 98 of 103 SDG: 610303 LCMSMS-Misc Technical Case Narrative NC Dept Environmental Quality SDG #: 610303 Product: The Extraction and Analysis of Per- and Polyfluoroalkyl Substances Using LCMSMS Analytical Method: EPA 537.1 Modified Analytical Procedure: GL-OA-E-076 REV# 12 Analytical Batches: 2382848 and 2382847 The following samples were analyzed using the above methods and analytical procedure(s). GEL Sample ID# Client Sample Identification 610303001 W011023-02 610303002 D011023-02 610303003 W011023-19 610303004 D011023-19 610303005 W011023-21 610303006 D011023-21 610303007 W011023-21C 610303008 D011023-21C 610303010 D011023-32 610303011 W011023-33 610303012 D011023-33 610303013 FB011023-33 610303014 W011023-MB 610303015 D011023-MB 610303016 TB012323-00 1205318840 Method Blank (MB) 1205318841 Laboratory Control Sample (LCS) 1205318842 Laboratory Control Sample Duplicate (LCSD) The samples in this SDG were analyzed on an "as received" basis. Data Summary: All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions. Quality Control (QC) Information Method Blank (MB) Statement The blank analyzed with this SDG did not meet the established acceptance criteria for PPF Acid (PFPrA). The extraction cartridges used in the prep process contains PFF Acid (PFPrA) above GEL’s reporting limit or exhibits an interference/enhancement mimicking PPF Acid (PFPrA). Levels detected in the samples and QC should be assessed accordingly. Sample Analyte Value 1205318840 (MB)Perfluoropropanoic acid (PFPrA)8.84 * 10 > 6.57 Page 99 of 103 SDG: 610303 Laboratory Control Sample Duplicate (LCSD) An LCSD was used in place of matrix QC due to limited sample volume. 1205318842 (LCSD). Laboratory Control Sample (LCS) Recovery No. One or more of the required spiking analytes were not within the acceptance limits in the laboratory control sample (LCS). Samples associated with this batch were re-extracted and similar results were recorded. Data is reported from the original analysis. Sample Analyte Value 1205318841 (LCS)Nafion Byproduct 5 (PFESA BP5)22* (34%-149%) 1205318842 (LCSD)Nafion Byproduct 4 (PFESA BP4)14* (18%-158%) Nafion Byproduct 5 (PFESA BP5)18* (34%-149%) LCS/LCSD Relative Percent Difference (RPD) Statement Not all of the relative percent differences (RPDs) between the LCS and the LCSD were within the acceptance limits for this SDG. Sample Analyte Value 1205318841 (LCS) and 1205318842 (LCSD)Perfluoropentanoic acid (PFPeA)RPD 32* (0%-25%) Internal Standard (ISTD) Acceptance Sample 610303009 (W011023-32) did not meet all internal standard acceptance criteria. The sample was re-extracted and the failures were not confirmed therefore the results were reported from the re-extraction. Technical Information Holding Time Specifications Samples (See Below) did not meet holding time requirements due to insufficient time remaining to meet the hold times. The following samples were received by the laboratory after the recommended holding time had expired. Sample Analyte Value 610303001 (W011023-02)Received 09-FEB-23, out of holding 01-FEB-23 610303002 (D011023-02)Received 09-FEB-23, out of holding 01-FEB-23 610303003 (W011023-19)Received 09-FEB-23, out of holding 01-FEB-23 610303004 (D011023-19)Received 09-FEB-23, out of holding 01-FEB-23 610303005 (W011023-21)Received 09-FEB-23, out of holding 01-FEB-23 610303006 (D011023-21)Received 09-FEB-23, out of holding 01-FEB-23 610303007 (W011023-21C)Received 09-FEB-23, out of holding 01-FEB-23 610303008 (D011023-21C)Received 09-FEB-23, out of holding 01-FEB-23 610303010 (D011023-32)Received 09-FEB-23, out of holding 01-FEB-23 610303011 (W011023-33)Received 09-FEB-23, out of holding 01-FEB-23 610303012 (D011023-33)Received 09-FEB-23, out of holding 01-FEB-23 610303013 (FB011023-33)Received 09-FEB-23, out of holding 01-FEB-23 Page 100 of 103 SDG: 610303 610303014 (W011023-MB)Received 09-FEB-23, out of holding 01-FEB-23 610303015 (D011023-MB)Received 09-FEB-23, out of holding 01-FEB-23 610303016 (TB012323-00)Received 09-FEB-23, out of holding 06-FEB-23 Sample Re-extraction/Re-analysis Sample 610303009 (W011023-32) was re-extracted due to internal standard failures. Failures were not confirmed therefore the results were reported from the re-extraction. Miscellaneous Information Additional Comments Some analytes are X qualified because the standards used to make the initial calibration curve did not meet the ISO 17025 criterion. These are the only standards available for these analytes. Product: The Extraction and Analysis of Per- and Polyfluoroalkyl Substances Using LCMSMS Analytical Method: EPA 537.1 Modified Analytical Procedure: GL-OA-E-076 REV# 12 Analytical Batches: 2383088 and 2383086 The following samples were analyzed using the above methods and analytical procedure(s). GEL Sample ID# Client Sample Identification 610303009 W011023-32 1205319528 Method Blank (MB) 1205319529 Laboratory Control Sample (LCS) 1205319530 610592002(NonSDG) Matrix Spike (MS) 1205319531 610592002(NonSDG) Matrix Spike Duplicate (MSD) The samples in this SDG were analyzed on an "as received" basis. Data Summary: All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions. Quality Control (QC) Information Method Blank (MB) Statement The blank analyzed with this SDG did not meet the established acceptance criteria for PPF Acid (PFPrA). The extraction cartridges used in the prep process contains PFF Acid (PFPrA) above GEL’s reporting limit or exhibits an interference/enhancement mimicking PPF Acid (PFPrA). Levels detected in the samples and QC should be assessed accordingly. Sample Analyte Value 1205319528 (MB)Perfluoropropanoic acid (PFPrA)4.33 * 10 > 4.56 Laboratory Control Sample (LCS) Recovery One or more of the required spiking analytes were not within the acceptance limits in the laboratory control sample (LCS). Samples associated with this batch were re-extracted and similar results were recorded. Data is reported from the original analysis. Page 101 of 103 SDG: 610303 Sample Analyte Value 1205319529 (LCS)Nafion Byproduct 5 (PFESA BP5)31* (34%-149%) Matrix Spike (MS) Recovery Statement The MS or MSD (See Below) recovered spiked analytes outside of the established acceptance limits. As similar recoveries were displayed in the MS and MSD, the failures were attributed to sample matrix interference and the data were reported. Sample Analyte Value 1205319530 (Non SDG 610592002MS)Nafion Byproduct 4 (PFESA BP4)24* (45%-160%) Nafion Byproduct 5 (PFESA BP5)27* (50%-150%) R-EVE 31* (45%-164%) 1205319531 (Non SDG 610592002MSD)Nafion Byproduct 4 (PFESA BP4)11* (45%-160%) Nafion Byproduct 5 (PFESA BP5)13* (50%-150%) R-EVE 17* (45%-164%) MS/MSD Relative Percent Difference (RPD) Statement The RPD values between the MS and MSD (See Below) were not within the acceptance limits. Since all other RPD values met acceptance criteria, the noted exceptions are attributed to vagaries in the extraction process. The data are reported. Sample Analyte Value 1205319530MS and 1205319531MSD (Non SDG 610592002) Nafion Byproduct 4 (PFESA BP4) RPD 76* (0%-32%) Nafion Byproduct 5 (PFESA BP5) RPD 69* (0%-34%) R-EVE RPD 55* (0%-35%) Technical Information Holding Time Specifications Samples (See Below) did not meet holding time requirements due to insufficient time remaining to meet the hold times. The following samples were received by the laboratory after the recommended holding time had expired. Sample Analyte Value 610303009 (W011023-32)Received 09-FEB-23, out of holding 01-FEB-23 Miscellaneous Information Additional Comments Some analytes are X qualified because the standards used to make the initial calibration curve did not meet the ISO 17025 criterion. These are the only standards available for these analytes. Certification Statement Page 102 of 103 SDG: 610303 Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless otherwise noted in the analytical case narrative. Page 103 of 103 SDG: 610303