Some analyses have been subcontracted outside of the Pace Network. The subcontracted laboratory report has been attached.

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#=CL# Pace Analytical Services, LLC Broad Hollow Road Melville, NY ()-00 LIMS USE: FR - ROB KING LIMS OBJECT ID: 0 July, 0 Rob King Hampton Bays Water District P.O. Box Hampton Bays, NY RE: Project: PFC / Pace Project No.

1 #=CL# Pace Analytical Services, LLC Broad Hollow Road Melville, NY ()-00 LIMS USE: FR - ROB KING LIMS OBJECT ID: 0 July, 0 Rob King Hampton Bays Water District P.O. Box Hampton Bays, NY RE: Project: PFC / Pace Project No.: 0 Dear Rob King: Enclosed are the analytical results for sample(s) received by the laboratory on June, 0. The results relate only to the samples included in this report. Results reported herein conform to the most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual, where applicable, unless otherwise noted in the body of the report. Some analyses have been subcontracted outside of the Pace Network. The subcontracted laboratory report has been attached. If you have any questions concerning this report, please feel free to contact me. Sincerely, Stu Murrell stu.murrell@pacelabs.com ()-00 Project Manager Enclosures cc: Warren Booth, Hampton Bays Water District John Collins, HM Group Stella Michaels, Hampton Bays Water District Paul Ponturo, HM Group REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page of

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York Attn: Stu Murrell Authorized for release by: //0 :: PM Lori Arnold, Manager of Project Management (0)0- lori.arnold@testamericainc.

4 ANALYTICAL REPORT TestAmerica Laboratories, Inc. 0 Community Drive Suite South Burlington, VT 00 Tel: (0)0- TestAmerica Job ID: TestAmerica Sample Delivery Group: Client For: Pace Analytical Services, LLC Broad Hollow Road Melville, New York Attn: Stu Murrell Authorized for release by: //0 :: PM Lori Arnold, Manager of Project Management (0)0- lori.arnold@testamericainc.com The test results in this report meet all 00 NELAC and 00 TNI requirements for accredited parameters, exceptions are noted in this report. This report may not be reproduced except in full, and with written approval from the laboratory. For questions please contact the Project Manager at the address or telephone number listed on this page. This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory. Page of

5 Client: Pace Analytical Services, LLC Table of Contents TestAmerica Job ID: SDG: Cover Page Table of Contents Definitions/Glossary Case Narrative Detection Summary Client Sample Results Summary QC Sample Results QC Association Summary Lab Chronicle Certification Summary Method Summary Sample Summary Chain of Custody Receipt Checklists Page of TestAmerica Page Burlington of //0

6 Definitions/Glossary Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Qualifiers LCMS Qualifier Qualifier Description * analyte is outside acceptance limits. U Indicates the analyte was analyzed for but not detected. Glossary Abbreviation These commonly used abbreviations may or may not be present in this report. Listed under the "D" column to designate that the result is reported on a dry weight basis %R Percent Recovery CFL Contains Free Liquid CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) PQL Practical Quantitation Limit QC Quality Control RER Relative Error Ratio (Radiochemistry) RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) Page of Page of //0

7 Case Narrative Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Job ID: Laboratory: Narrative CASE NARRATIVE Client: Pace Analytical Services, LLC Project: PFAS, NY DW Report Number: With the exceptions noted as flags or footnotes, standard analytical protocols were followed in the analysis of the samples and no problems were encountered or anomalies observed. In addition all laboratory quality control samples were within established control limits, with any exceptions noted below. Each sample was analyzed to achieve the lowest possible reporting limit within the constraints of the method. In some cases, due to interference or analytes present at high concentrations, samples were diluted. For diluted samples, the reporting limits are adjusted relative to the dilution required. Calculations are performed before rounding to avoid round-off errors in calculated results. All holding times were met and proper preservation noted for the methods performed on these samples, unless otherwise detailed in the individual sections below. RECEIPT The samples were received on 0//0; the samples arrived in good condition, properly preserved and on ice. The temperature of the cooler at receipt was.º C. PERFLUORINATED COMPOUNDS Samples S-00, S-0, S-, S-, S-, S-0, S-0 and S-0 were analyzed for Perfluorinated Compounds in accordance with Method ISO. The samples were prepared on 0//0 and analyzed on 0/0/0. The Analyte (IDA) recoveries of C PFOA in the samples are below the method recommended limit. Generally, data quality is not considered affected if the IDA signal-to-noise ratio is greater than :, which is achieved for all IDAs in the samples. All detection limits are below the lower calibration. This IDA exhibited good, passing recoveries in the associated Method Blank, Laboratory Control Sample and Laboratory Control Sample Duplicate. No analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. TestAmerica Page Burlington of Page of //0

8 Client: Pace Analytical Services, LLC Detection Summary TestAmerica Job ID: SDG: Client Sample ID: S-00 Lab Sample ID: No Detections. Client Sample ID: S-0 Lab Sample ID: No Detections. Client Sample ID: S- Lab Sample ID: No Detections. Client Sample ID: S- Lab Sample ID: Analyte Result Qualifier RL MDL Unit D Method Prep Type Perfluoroheptanoic acid (PFHpA) ug/l :00 Perfluorooctanoic acid (PFOA) ug/l :00 Perfluorononanoic acid (PFNA) ug/l :00 Perfluorobutanesulfonic acid (PFBS) ug/l :00 Perfluorohexanesulfonic acid (PFHxS) ug/l :00 Client Sample ID: S- Lab Sample ID: Analyte Result Qualifier RL MDL Unit D Method Prep Type Perfluorooctanoic acid (PFOA) ug/l :00 Perfluorononanoic acid (PFNA) ug/l :00 Perfluorobutanesulfonic acid (PFBS) ug/l :00 Perfluorohexanesulfonic acid (PFHxS) ug/l :00 Client Sample ID: S-0 Lab Sample ID: Analyte Result Qualifier RL MDL Unit D Method Prep Type Perfluorohexanesulfonic acid (PFHxS) ug/l :00 Client Sample ID: S-0 Lab Sample ID: No Detections. Client Sample ID: S-0 Lab Sample ID: No Detections. This Detection Summary does not include radiochemical test results. Page of Page of //0

9 Client: Pace Analytical Services, LLC Client Sample ID: S-00 Date Collected: 0// 0: Date Received: 0// :0 Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier Client Sample Results RL MDL TestAmerica Job ID: SDG: Lab Sample ID: Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ :0 Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) U U U U U %Recovery Qualifier Unit D ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ :0 O PFHxS 0-0// :00 0/0/ :0 C PFOS 0-0// :00 0/0/ :0 C PFNA 0 0-0// :00 0/0/ :0 C PFOA * 0-0// :00 0/0/ :0 C-PFHpA 0-0// :00 0/0/ :0 Client Sample ID: S-0 Date Collected: 0// 0:00 Date Received: 0// :0 Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL MDL Lab Sample ID: Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ : Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) U U U U U %Recovery Qualifier Unit D ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA * 0-0// :00 0/0/ : C-PFHpA 0-0// :00 0/0/ : Client Sample ID: S- Date Collected: 0// 0: Date Received: 0// :0 Lab Sample ID: Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ : Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) U U U U U %Recovery Qualifier MDL Unit D ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA * 0-0// :00 0/0/ : Page of Page of //0

10 Client: Pace Analytical Services, LLC Client Sample ID: S- Date Collected: 0// 0: Date Received: 0// :0 Client Sample Results Method: :00 - Fluorinated Alkyl Substances (Continued) %Recovery Qualifier TestAmerica Job ID: SDG: Lab Sample ID: C-PFHpA 0-0// :00 0/0/ : Client Sample ID: S- Date Collected: 0// 0:0 Date Received: 0// :0 Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL MDL Lab Sample ID: Perfluoroheptanoic acid (PFHpA) ug/l 0// :00 0/0/ :00 Perfluorooctanoic acid (PFOA) ug/l 0// :00 0/0/ :00 Perfluorononanoic acid (PFNA) ug/l 0// :00 0/0/ :00 Perfluorobutanesulfonic acid ug/l 0// :00 0/0/ :00 (PFBS) Perfluorohexanesulfonic acid ug/l 0// :00 0/0/ :00 (PFHxS) Perfluorooctanesulfonic acid (PFOS) 0.00 U 0.00 ug/l 0// :00 0/0/ :00 %Recovery Qualifier O PFHxS 0-0// :00 0/0/ :00 Unit D C PFOS 0-0// :00 0/0/ :00 C PFNA 0 0-0// :00 0/0/ :00 C PFOA * 0-0// :00 0/0/ :00 C-PFHpA 0-0// :00 0/0/ :00 Client Sample ID: S- Date Collected: 0// 0: Date Received: 0// :0 Lab Sample ID: Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ : Perfluorooctanoic acid (PFOA) 0.00 Perfluorononanoic acid (PFNA) 0.0 Perfluorobutanesulfonic acid 0.00 (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) U %Recovery Qualifier MDL Unit D ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA 0 * 0-0// :00 0/0/ : C-PFHpA 0-0// :00 0/0/ : Client Sample ID: S-0 Date Collected: 0// 0:00 Date Received: 0// :0 Lab Sample ID: Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL MDL Unit D Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ : Page of Page of //0

11 Client: Pace Analytical Services, LLC Client Sample ID: S-0 Date Collected: 0// 0:00 Date Received: 0// :0 Client Sample Results Method: :00 - Fluorinated Alkyl Substances (Continued) Analyte Result Qualifier RL MDL TestAmerica Job ID: SDG: Lab Sample ID: Perfluorooctanoic acid (PFOA) U ug/l 0// :00 0/0/ : Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) U U U %Recovery Qualifier Unit D ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA * 0-0// :00 0/0/ : C-PFHpA 0 0-0// :00 0/0/ : Client Sample ID: S-0 Date Collected: 0// 0: Date Received: 0// :0 Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL MDL Lab Sample ID: Perfluoroheptanoic acid (PFHpA) 0.00 U 0.00 ug/l 0// :00 0/0/ : Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) 0.00 U 0.00 U 0.00 U 0.00 U 0.00 U %Recovery Qualifier Unit D 0.00 ug/l 0// :00 0/0/ : 0.00 ug/l 0// :00 0/0/ : 0.00 ug/l 0// :00 0/0/ : 0.00 ug/l 0// :00 0/0/ : 0.00 ug/l 0// :00 0/0/ : O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA * 0-0// :00 0/0/ : C-PFHpA 0-0// :00 0/0/ : Client Sample ID: S-0 Date Collected: 0// 0:0 Date Received: 0// :0 Lab Sample ID: Method: :00 - Fluorinated Alkyl Substances Analyte Result Qualifier RL Perfluoroheptanoic acid (PFHpA) 0.00 U 0.00 ug/l 0// :00 0/0/ :0 Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) 0.00 U 0.00 U 0.00 U 0.00 U 0.00 U %Recovery Qualifier MDL Unit D 0.00 ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ : ug/l 0// :00 0/0/ :0 O PFHxS 0-0// :00 0/0/ :0 C PFOS 0 0-0// :00 0/0/ :0 C PFNA 0-0// :00 0/0/ :0 C PFOA * 0-0// :00 0/0/ :0 Page of Page of //0

12 Client: Pace Analytical Services, LLC Client Sample ID: S-0 Date Collected: 0// 0:0 Date Received: 0// :0 Client Sample Results Method: :00 - Fluorinated Alkyl Substances (Continued) %Recovery Qualifier TestAmerica Job ID: SDG: Lab Sample ID: C-PFHpA 0-0// :00 0/0/ :0 Page of Page of //0

13 Client: Pace Analytical Services, LLC Summary Method: :00 - Fluorinated Alkyl Substances PFHxS PFOS PFNA PFOA PFHpA Lab Sample ID Client Sample ID (0-) (0-) (0-) (0-) (0-) S-00 0 * S S S S S S S-0 LCS 00-/-A LCSD 00-/-A MB 00-/-A Surrogate Legend PFHxS = O PFHxS PFOS = C PFOS PFNA = C PFNA PFOA = C PFOA PFHpA = C-PFHpA Lab Control Sample Lab Control Sample Dup Method Blank TestAmerica Job ID: SDG: Percent Recovery (Acceptance ) * * 0 * 0 * * 0 * 0 * 0 Prep Type: Page of Page of //0

14 Client: Pace Analytical Services, LLC QC Sample Results Method: :00 - Fluorinated Alkyl Substances TestAmerica Job ID: SDG: Lab Sample ID: MB 00-/-A Client Sample ID: Method Blank Prep Type: Analysis : Prep : MB MB Analyte Result Qualifier RL Perfluoroheptanoic acid (PFHpA) U ug/l 0// :00 0/0/ : Perfluorooctanoic acid (PFOA) Perfluorononanoic acid (PFNA) Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) MDL Unit D U ug/l 0// :00 0/0/ : U ug/l 0// :00 0/0/ : U ug/l 0// :00 0/0/ : U ug/l 0// :00 0/0/ : U ug/l 0// :00 0/0/ : %Recovery MB MB Qualifier O PFHxS 0-0// :00 0/0/ : C PFOS 0-0// :00 0/0/ : C PFNA 0-0// :00 0/0/ : C PFOA 0-0// :00 0/0/ : C-PFHpA 0-0// :00 0/0/ : Lab Sample ID: LCS 00-/-A Client Sample ID: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Analyte Added Result Qualifier Perfluoroheptanoic acid (PFHpA) ug/l 0 - Perfluorooctanoic acid (PFOA) ug/l 0 - Perfluorononanoic acid (PFNA) ug/l 0 - Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) %Recovery LCS LCS Qualifier O PFHxS 0 - Unit D %Rec ug/l ug/l ug/l 0 - C PFOS C PFNA 0 - C PFOA 0 - C-PFHpA 0 - Lab Sample ID: LCSD 00-/-A Client Sample ID: Lab Control Sample Dup Prep Type: Analysis : Prep : Spike LCSD LCSD %Rec. RPD Analyte Added Result Qualifier Perfluoroheptanoic acid (PFHpA) ug/l 0-0 Perfluorooctanoic acid (PFOA) ug/l 0-0 Perfluorononanoic acid (PFNA) ug/l 0-0 Perfluorobutanesulfonic acid (PFBS) Perfluorohexanesulfonic acid (PFHxS) Perfluorooctanesulfonic acid (PFOS) Unit D %Rec RPD Limit ug/l ug/l ug/l 0-0 Page of Page of //0

15 Client: Pace Analytical Services, LLC LCSD LCSD %Recovery Qualifier O PFHxS 0 - QC Sample Results C PFOS 0 - C PFNA 0 - C PFOA 0 - C-PFHpA 0 - TestAmerica Job ID: SDG: Page of Page of //0

16 Client: Pace Analytical Services, LLC LCMS Prep : QC Association Summary TestAmerica Job ID: SDG: Lab Sample ID Client Sample ID Prep Type Matrix Method Prep S-00 Water :00 SPE S S S S S S S-0 MB 00-/-A Method Blank LCS 00-/-A Lab Control Sample LCSD 00-/-A Lab Control Sample Dup Analysis : Water Water Water Water Water Water Water Water Water Water :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE :00 SPE Lab Sample ID Client Sample ID Prep Type Matrix Method Prep S-00 Water : S S S S S S S-0 MB 00-/-A Method Blank LCS 00-/-A Lab Control Sample LCSD 00-/-A Lab Control Sample Dup Water :00 Water :00 Water :00 Water :00 Water :00 Water :00 Water :00 Water :00 Water :00 Water :00 Page of Page of //0

17 Lab Chronicle Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Client Sample ID: S-00 Lab Sample ID: Date Collected: 0// 0: Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ :0 BWC TAL BUR Client Sample ID: S-0 Lab Sample ID: Date Collected: 0// 0:00 Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ : BWC TAL BUR Client Sample ID: S- Lab Sample ID: Date Collected: 0// 0: Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ : BWC TAL BUR Lab Lab Lab Client Sample ID: S- Lab Sample ID: Date Collected: 0// 0:0 Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ :00 BWC TAL BUR Lab Client Sample ID: S- Lab Sample ID: Date Collected: 0// 0: Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ : BWC TAL BUR Lab Client Sample ID: S-0 Lab Sample ID: Date Collected: 0// 0:00 Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ : BWC TAL BUR Lab Page of Page of //0

18 Lab Chronicle Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Client Sample ID: S-0 Lab Sample ID: Date Collected: 0// 0: Date Received: 0// :0 Prep Type Type Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ : BWC TAL BUR Client Sample ID: S-0 Lab Sample ID: Date Collected: 0// 0:0 Date Received: 0// :0 Prep Type Type Laboratory References: Method Run Dilution Factor Number or Analyst Prep :00 SPE 0// :00 JM TAL BUR Analysis :00 0/0/ :0 BWC TAL BUR TAL BUR =, 0 Community Drive, Suite, South Burlington, VT 00, TEL (0)0- Lab Lab Page of Page of //0

19 Accreditation/Certification Summary Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Laboratory: All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report. Authority Program EPA Region Identification Number Expiration Date ANAB DoD ELAP L 0--0 Connecticut State Program PH DE Haz. Subst. Cleanup Act (HSCA) State Program NA 0-0- Maine State Program VT Minnesota NELAP New Jersey NELAP VT 0-0- New York NELAP 0-0- Pennsylvania NELAP Rhode Island State Program LAO00-0- US Fish & Wildlife Federal LE * USDA Federal P Vermont State Program VT Virginia NELAP * Accreditation/Certification renewal pending - accreditation/certification considered valid. Page of Page of //0

20 Client: Pace Analytical Services, LLC Method Summary TestAmerica Job ID: SDG: Method Method Description Protocol Laboratory :00 Fluorinated Alkyl Substances ISO TAL BUR :00 SPE Solid-Phase Extraction (SPE) ISO TAL BUR Protocol References: ISO = International Organization for Standardization Laboratory References: TAL BUR =, 0 Community Drive, Suite, South Burlington, VT 00, TEL (0)0- Page 0 of Page of //0

21 Sample Summary Client: Pace Analytical Services, LLC TestAmerica Job ID: SDG: Lab Sample ID Client Sample ID Matrix Collected Received S-00 Water 0// 0: 0// : S-0 Water 0// 0:00 0// : S- Water 0// 0: 0// : S- Water 0// 0:0 0// : S- Water 0// 0: 0// : S-0 Water 0// 0:00 0// : S-0 Water 0// 0: 0// : S-0 Water 0// 0:0 0// :0 Page of Page of //0

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24 Login Sample Receipt Checklist Client: Pace Analytical Services, LLC Job Number: SDG Number: Login Number: 0 List Number: Creator: Mohn, Taylor J Question Answer Comment Radioactivity wasn't checked or is </= background as measured by a survey meter. The cooler's custody seal, if present, is intact. Sample custody seals, if present, are intact. The cooler or samples do not appear to have been compromised or tampered with. Samples were received on ice. Cooler Temperature is acceptable. Cooler Temperature is recorded. COC is present. COC is filled out in ink and legible. COC is filled out with all pertinent information. Is the Field Sampler's name present on COC? There are no discrepancies between the containers received and the COC. Samples are received within Holding Time (excluding tests with immediate HTs) Sample containers have legible labels. Containers are not broken or leaking. Sample collection date/times are provided. Appropriate sample containers are used. Sample bottles are completely filled. Sample Preservation Verified. There is sufficient vol. for all requested analyses, incl. any requested MS/MSDs Containers requiring zero headspace have no headspace or bubble is <mm (/"). Multiphasic samples are not present. Samples do not require splitting or compositing. Residual Chlorine Checked. N/A N/A N/A N/A List Source: Lab does not accept radioactive samples. Not present.ºc Page of Page of //0

ANALYTICAL REPORT. Attn: Richard Boelter

ANALYTICAL REPORT. Attn: Richard Boelter ANALYTICAL REPORT TestAmerica Laboratories, Inc. 0 Community Drive Suite South Burlington, VT 00 Tel: (0)0-0 TestAmerica Job ID: 00-0- TestAmerica Sample Delivery Group: 00-0 Client For: ARCADIS U.S. Inc