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SOIL ANALYTICAL REPORT (3)L2539761 CarriageHouse Consulting Inc. MA230202 ALP FRAMINGHAM Client: Project Name: Project Number: 06/26/25 Eight Walkup Drive, Westborough, MA 01581-1019 Lab Number: Report Date: 508-898-9220 (Fax) 508-898-9193 800-624-9220 - www.alphalab.com 8A Pleasant Street South Natick, MA 01760 Brian MooreATTN: ANALYTICAL REPORT (508) 315-3146Phone: The original project report/data package is held by Pace Analytical Services. This report/data package is paginated and should be reproduced only in its entirety. Pace Analytical Services holds no responsibility for results and/or data that are not consistent with the original. Certifications & Approvals: MA (M-MA086), NH NELAP (2064), CT (PH-0826), IL (200077), IN (C-MA-03), KY (KY98045), ME (MA00086), MD (348), NJ (MA935), NY (11148), NC (25700/666), OR (MA-1316), PA (68-03671), RI (LAO00065), TX (T104704476), VT (VT-0935), VA (460195), USDA (Permit #525-23-122-91930A1). Serial_No:06262520:15 Page 1 of 30 L2539761-01 Lab Sample ID SC-7 Client ID FRAMINGHAM, MA Sample Location ALP FRAMINGHAM MA230202 Project Name: Project Number: Lab Number: Report Date: L2539761 06/26/25 06/24/25 14:45 Collection Date/TimeMatrix Receive Date SOIL 06/24/25 Serial_No:06262520:15 Page 2 of 30 Project Name: Project Number: Lab Number: Report Date: Were all samples received in a condition consistent with those described on the Chain-of- Custody, properly preserved (including temperature) in the field or laboratory, and prepared/analyzed within method holding times? Were the analytical method(s) and all associated QC requirements specified in the selected CAM protocol(s) followed? Were all required corrective actions and analytical response actions specified in the selected CAM protocol(s) implemented for all identified performance standard non-conformances? Does the laboratory report comply with all the reporting requirements specified in CAM VII A, "Quality Assurance and Quality Control Guidelines for the Acquisition and Reporting of Analytical Data?" VPH, EPH, and APH Methods only: Was each method conducted without significant modification(s)? (Refer to the individual method(s) for a list of significant modifications). APH and TO-15 Methods only: Was the complete analyte list reported for each method? Were all applicable CAM protocol QC and performance standard non-conformances identified and evaluated in a laboratory narrative (including all "No" responses to Questions A through E)? YES YES YES YES YES N/A YES A B C D E a. E b. F MADEP MCP Response Action Analytical Report Certification L2539761ALP FRAMINGHAM MA230202 Were the reporting limits at or below all CAM reporting limits specified in the selected CAM protocol(s)? Were all QC performance standards specified in the CAM protocol(s) achieved? Were results reported for the complete analyte list specified in the selected CAM protocol(s)? YES NO YES G H I A response to questions G, H and I is required for "Presumptive Certainty" status This form provides certifications for all samples performed by MCP methods. Please refer to the Sample Results and Container Information sections of this report for specification of MCP methods used for each analysis. The following questions pertain only to MCP Analytical Methods. An affirmative response to questions A through F is required for "Presumptive Certainty" status For any questions answered "No", please refer to the case narrative section on the following page(s). 06/26/25 Please note that sample matrix information is located in the Sample Results section of this report. Serial_No:06262520:15 Page 3 of 30 ALP FRAMINGHAM MA230202 Project Name: Project Number: Lab Number: Report Date: L2539761 06/26/25 Case Narrative The samples were received in accordance with the Chain of Custody and no significant deviations were encountered during the preparation or analysis unless otherwise noted. Sample Receipt, Container Information, and the Chain of Custody are located at the back of the report. Results contained within this report relate only to the samples submitted under this Pace Lab Number and meet NELAP requirements for all NELAP accredited parameters unless otherwise noted in the following narrative. The data presented in this report is organized by parameter (i.e. VOC, SVOC, etc.). Sample specific Quality Control data (i.e. Surrogate Spike Recovery) is reported at the end of the target analyte list for each individual sample, followed by the Laboratory Batch Quality Control at the end of each parameter. Tentatively Identified Compounds (TICs), if requested, are reported for compounds identified to be present and are not part of the method/program Target Compound List, even if only a subset of the TCL are being reported. If a sample was re-analyzed or re-extracted due to a required quality control corrective action and if both sets of data are reported, the Laboratory ID of the re-analysis or re-extraction is designated with an "R" or "RE", respectively. When multiple Batch Quality Control elements are reported (e.g. more than one LCS), the associated samples for each element are noted in the grey shaded header line of each data table. Any Laboratory Batch, Sample Specific % recovery or RPD value that is outside the listed Acceptance Criteria is bolded in the report. In reference to questions H (CAM) or 4 (RCP) when "NO" is checked, the performance criteria for CAM and RCP methods allow for some quality control failures to occur and still be within method compliance. In these instances, the specific failure is not narrated but noted in the associated QC Outlier Summary Report, located directly after the Case Narrative. QC information is also incorporated in the Data Usability Assessment table (Format 11) of our Data Merger tool, where it can be reviewed in conjunction with the sample result, associated regulatory criteria and any associated data usability implications. Soil/sediments and solids are reported on a dry weight basis unless otherwise noted. Tissues are reported "as received" or on a wet weight basis, unless otherwise noted. Definitions of all data qualifiers and acronyms used in this report are provided in the Glossary located at the back of the report. HOLD POLICY - For samples submitted on hold, Pace's policy is to hold samples (with the exception of Air canisters) free of charge for 21 calendar days from the date the project is completed. After 21 calendar days, we will dispose of all samples submitted including those put on hold unless you have contacted your Pace Project Manager and made arrangements for Pace to continue to hold the samples. Air canisters will be disposed after 3 business days from the date the project is completed. Please contact Project Management at 800-624-9220 with any questions. Serial_No:06262520:15 Page 4 of 30 Case Narrative (continued) ALP FRAMINGHAM MA230202 Project Name: Project Number: Lab Number: Report Date: L2539761 06/26/25 MCP Related Narratives Sample Receipt In reference to question H: A Matrix Spike was not submitted for the analysis of Total Metals. Total Metals L2539761-01: The sample has elevated detection limits for all elements, with the exception of mercury, due to the dilution required by the sample matrix. I, the undersigned, attest under the pains and penalties of perjury that, to the best of my knowledge and belief and based upon my personal inquiry of those responsible for providing the information contained in this analytical report, such information is accurate and complete. This certificate of analysis is not complete unless this page accompanies any and all pages of this report. Authorized Signature: Title: Technical Director/Representative Date: 06/26/25 Serial_No:06262520:15 Page 5 of 30 ALP FRAMINGHAM MA230202 Project Name: Project Number: L2539761Lab Number: Report Date: QC OUTLIER SUMMARY REPORT 06/26/25 Method Client ID (Native ID)Lab ID Parameter QC Type Recovery/RPD (%) QC Limits (%) Data Quality Assessment Associated Samples There are no QC Outliers associated with this report. Serial_No:06262520:15 Page 6 of 30 ORGANICS Serial_No:06262520:15 Page 7 of 30 PETROLEUM HYDROCARBONS Serial_No:06262520:15 Page 8 of 30 FF C5-C8 Aliphatics C9-C12 Aliphatics C9-C10 Aromatics C5-C8 Aliphatics, Adjusted C9-C12 Aliphatics, Adjusted Benzene Toluene Ethylbenzene p/m-Xylene o-Xylene Methyl tert butyl ether Naphthalene Parameter Result Dilution Factor ND ND ND ND ND ND ND ND ND ND ND ND mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 1 1 1 1 1 1 1 1 1 1 1 1 Qualifier Units RL Volatile Petroleum Hydrocarbons - Westborough Lab SAMPLE RESULTS Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 5.84 5.84 5.84 5.84 5.84 0.117 0.117 0.117 0.117 0.117 0.058 0.234 2,5-Dibromotoluene-PID 2,5-Dibromotoluene-FID 113 112 70-130 70-130 Acceptance CriteriaSurrogate % Recovery Qualifier Condition of sample received: Sample Temperature upon receipt: Were samples received in methanol? Methanol ratio: Satisfactory Received on Ice Covering the Soil 1:1 +/- 25% Quality Control Information 06/26/25 SC-7Client ID: 06/24/25 14:45Date Collected: 06/24/25Date Received: Matrix:Soil FRAMINGHAM, MASample Location: L2539761-01Lab ID: Field Prep: Analytical Method: Analytical Date: Analyst: 131,VPH-18-2.1 06/26/25 11:49 BAD Not Specified Percent Solids: 91% MDL -- -- -- -- -- -- -- -- -- -- -- -- Sample Depth: EST, Carbopack B/Carboxen 1000&1001Trap:Restek, RTX-502.2, 105m, 0.53ID, 3um Analytical Column: Serial_No:06262520:15 Page 9 of 30 FF C9-C18 Aliphatics C19-C36 Aliphatics C11-C22 Aromatics C11-C22 Aromatics, Adjusted Naphthalene 2-Methylnaphthalene Acenaphthylene Acenaphthene Fluorene Phenanthrene Anthracene Fluoranthene Pyrene Benzo(a)anthracene Chrysene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(a)pyrene Indeno(1,2,3-cd)Pyrene Dibenzo(a,h)anthracene Benzo(ghi)perylene Parameter Result Dilution Factor ND 38.5 10.1 10.1 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Qualifier Units RL Extractable Petroleum Hydrocarbons - Westborough Lab SAMPLE RESULTS Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 7.11 7.11 7.11 7.11 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 0.356 Condition of sample received: Sample Temperature upon receipt: Sample Extraction method: Satisfactory Received on Ice Extracted Per the Method Quality Control Information 06/26/25 SC-7Client ID: 06/24/25 14:45Date Collected: 06/24/25Date Received: Matrix:Soil FRAMINGHAM, MASample Location: L2539761-01Lab ID: Field Prep: Extraction Method: Cleanup Method1: Analytical Method: Analytical Date: Analyst: 135,EPH-19-2.1 06/26/25 10:07 CRE Not Specified EPA 3546 EPH-19-2.1 Extraction Date:06/25/25 05:53 Cleanup Date1:06/25/25 Percent Solids: 91% MDL -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Sample Depth: Serial_No:06262520:15 Page 10 of 30 Parameter Result Dilution FactorQualifierUnitsRL Extractable Petroleum Hydrocarbons - Westborough Lab SAMPLE RESULTS Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 Chloro-Octadecane o-Terphenyl 2-Fluorobiphenyl 2-Bromonaphthalene 62 77 81 83 40-140 40-140 40-140 40-140 Acceptance CriteriaSurrogate % Recovery Qualifier 06/26/25 SC-7Client ID: 06/24/25 14:45Date Collected: 06/24/25Date Received: FRAMINGHAM, MASample Location: L2539761-01Lab ID: Field Prep:Not Specified MDL Sample Depth: Serial_No:06262520:15 Page 11 of 30 Method Blank Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 06/25/25 10:33 135,EPH-19-2.1Analytical Method: Analytical Date: Extraction Method: Cleanup Method: EPA 3546 EPH-19-2.1 Extraction Date:06/24/25 11:14 06/26/25 Analyst:SYR C9-C18 Aliphatics C19-C36 Aliphatics C11-C22 Aromatics C11-C22 Aromatics, Adjusted Naphthalene 2-Methylnaphthalene Acenaphthylene Acenaphthene Fluorene Phenanthrene Anthracene Fluoranthene Pyrene Benzo(a)anthracene Chrysene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(a)pyrene Indeno(1,2,3-cd)Pyrene Dibenzo(a,h)anthracene Benzo(ghi)perylene Parameter Result ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND RL 6.36 6.36 6.36 6.36 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 0.318 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg UnitsQualifier Extractable Petroleum Hydrocarbons - Westborough Lab for sample(s): 01 Batch: WG2082746-1 Chloro-Octadecane o-Terphenyl 2-Fluorobiphenyl 2-Bromonaphthalene 49 70 80 82 40-140 40-140 40-140 40-140 Surrogate %Recovery Qualifier Acceptance Criteria Cleanup Date:06/24/25 MDL -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Serial_No:06262520:15 Page 12 of 30 Method Blank Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 06/26/25 11:19 131,VPH-18-2.1Analytical Method: Analytical Date: 06/26/25 Analyst:BAD C5-C8 Aliphatics C9-C12 Aliphatics C9-C10 Aromatics C5-C8 Aliphatics, Adjusted C9-C12 Aliphatics, Adjusted Benzene Toluene Ethylbenzene p/m-Xylene o-Xylene Methyl tert butyl ether Naphthalene Parameter Result ND ND ND ND ND ND ND ND ND ND ND ND RL 5.00 5.00 5.00 5.00 5.00 0.100 0.100 0.100 0.100 0.100 0.050 0.200 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg UnitsQualifier Volatile Petroleum Hydrocarbons - Westborough Lab for sample(s): 01 Batch: WG2083905-4 2,5-Dibromotoluene-PID 2,5-Dibromotoluene-FID 93 93 70-130 70-130 Surrogate %Recovery Qualifier Acceptance Criteria MDL -- -- -- -- -- -- -- -- -- -- -- -- Serial_No:06262520:15 Page 13 of 30 C9-C18 Aliphatics C19-C36 Aliphatics C11-C22 Aromatics Naphthalene 2-Methylnaphthalene Acenaphthylene Acenaphthene Fluorene Phenanthrene Anthracene Fluoranthene Pyrene Benzo(a)anthracene Chrysene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(a)pyrene Indeno(1,2,3-cd)Pyrene Dibenzo(a,h)anthracene Benzo(ghi)perylene 56 60 71 65 65 64 67 69 67 81 67 68 69 69 64 64 76 62 63 58 54 60 64 58 61 60 63 64 62 76 61 62 63 62 58 58 69 56 57 53 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 40-140 4 0 10 11 6 6 6 8 8 6 9 9 9 11 10 10 10 10 10 9 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 Parameter LCS %Recovery LCSD %Recovery %Recovery Limits RPD RPD Limits Extractable Petroleum Hydrocarbons - Westborough Lab Associated sample(s): 01 Batch: WG2082746-2 WG2082746-3 Lab Control Sample Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 06/26/25 Qual Qual Qual Serial_No:06262520:15 Page 14 of 30 Parameter LCS %Recovery LCSD %Recovery %Recovery Limits RPD RPD Limits Extractable Petroleum Hydrocarbons - Westborough Lab Associated sample(s): 01 Batch: WG2082746-2 WG2082746-3 Lab Control Sample Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 Chloro-Octadecane o-Terphenyl 2-Fluorobiphenyl 2-Bromonaphthalene % Naphthalene Breakthrough % 2-Methylnaphthalene Breakthrough 48 66 74 75 0 0 40-140 40-140 40-140 40-140 48 60 70 71 0 0 Surrogate Qual%Recovery Qual%Recovery LCS LCSD 06/26/25 Acceptance Criteria Qual Qual Qual Serial_No:06262520:15 Page 15 of 30 C5-C8 Aliphatics C9-C12 Aliphatics C9-C10 Aromatics Benzene Toluene Ethylbenzene p/m-Xylene o-Xylene Methyl tert butyl ether Naphthalene 1,2,4-Trimethylbenzene Pentane 2-Methylpentane 2,2,4-Trimethylpentane n-Nonane n-Decane n-Butylcyclohexane 86 104 104 102 104 107 107 107 101 106 104 70 87 98 104 104 104 86 102 102 100 102 105 104 104 98 106 102 70 88 97 102 102 102 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 70-130 30-130 70-130 70-130 0 2 2 2 2 2 3 3 3 0 2 1 1 1 2 2 2 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 Parameter LCS %Recovery LCSD %Recovery %Recovery Limits RPD RPD Limits Volatile Petroleum Hydrocarbons - Westborough Lab Associated sample(s): 01 Batch: WG2083905-2 WG2083905-3 Lab Control Sample Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 2,5-Dibromotoluene-PID 2,5-Dibromotoluene-FID 105 104 70-130 70-130 104 103 Surrogate Qual%Recovery Qual%Recovery LCS LCSD 06/26/25 Acceptance Criteria Qual Qual Qual Serial_No:06262520:15 Page 16 of 30 METALS Serial_No:06262520:15 Page 17 of 30 FF Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 06/26/25 SAMPLE RESULTS SC-7Client ID: 06/24/25 14:45Date Collected: 06/24/25Date Received: Matrix:Soil FRAMINGHAM, MASample Location: L2539761-01Lab ID: Field Prep:Not Specified Parameter Result Dilution FactorQualifierUnitsRL Date Analyzed Analytical Method Analyst Date Prepared MCP Total Metals - Mansfield Lab Antimony, Total Arsenic, Total Barium, Total Beryllium, Total Cadmium, Total Chromium, Total Lead, Total Mercury, Total Nickel, Total Selenium, Total Silver, Total Thallium, Total Vanadium, Total Zinc, Total ND 3.40 45.7 ND ND 12.2 56.1 ND 11.0 ND ND ND 17.1 37.6 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 2 2 2 2 2 2 2 1 2 2 2 2 2 2 4.35 0.870 0.870 0.435 0.870 0.870 4.35 0.069 2.18 4.35 0.870 4.35 0.870 4.35 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 15:58 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 06/26/25 16:10 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,7471B 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D DHL DHL DHL DHL DHL DHL DHL CME DHL DHL DHL DHL DHL DHL 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 12:25 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 7471B EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 3050B EPA 3050B Prep Method Percent Solids: 91% MDL -- -- -- -- -- -- -- -- -- -- -- -- -- -- Sample Depth: Serial_No:06262520:15 Page 18 of 30 FF Parameter Parameter Result Result Dilution Factor Dilution Factor Qualifier Qualifier Units Units RL RL Method Blank Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 Date Analyzed Date Analyzed Analytical Method Analytical Method Analyst Analyst Date Prepared Date Prepared 06/26/25 Antimony, Total Arsenic, Total Barium, Total Beryllium, Total Cadmium, Total Chromium, Total Lead, Total Nickel, Total Selenium, Total Silver, Total Thallium, Total Vanadium, Total Zinc, Total Mercury, Total ND ND ND ND ND ND ND ND ND ND ND ND ND ND mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2.00 0.400 0.400 0.200 0.400 0.400 2.00 1.00 2.00 0.400 2.00 0.400 2.00 0.083 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 13:33 06/26/25 15:11 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,6010D 97,7471B DHL DHL DHL DHL DHL DHL DHL DHL DHL DHL DHL DHL DHL CME 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 10:53 06/26/25 12:25 MCP Total Metals - Mansfield Lab for sample(s): 01 Batch: WG2083591-1 MCP Total Metals - Mansfield Lab for sample(s): 01 Batch: WG2083592-1 EPA 3050B EPA 7471B Digestion Method: Digestion Method: Prep Information Prep Information MDL MDL -- -- -- -- -- -- -- -- -- -- -- -- -- -- Serial_No:06262520:15 Page 19 of 30 Antimony, Total Arsenic, Total Barium, Total Beryllium, Total Cadmium, Total Chromium, Total Lead, Total Nickel, Total Selenium, Total Silver, Total Thallium, Total Vanadium, Total Zinc, Total Mercury, Total 104 103 112 110 118 114 116 119 118 117 118 113 114 108 98 97 106 110 103 106 108 110 112 109 104 106 106 113 5-195 81-119 82-118 82-118 82-118 81-119 82-118 82-119 78-121 79-121 80-120 79-122 80-120 70-130 6 6 6 0 14 7 7 8 5 7 13 6 7 5 30 30 30 30 30 30 30 30 30 30 30 30 30 30 Parameter LCS %Recovery LCSD %Recovery %Recovery Limits RPD RPD Limits MCP Total Metals - Mansfield Lab Associated sample(s): 01 Batch: WG2083591-2 WG2083591-3 SRM Lot Number: D126-540 MCP Total Metals - Mansfield Lab Associated sample(s): 01 Batch: WG2083592-2 WG2083592-3 SRM Lot Number: D126-540 Lab Control Sample Analysis Batch Quality Control Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 06/26/25 Qual Qual Qual Serial_No:06262520:15 Page 20 of 30 INORGANICS & MISCELLANEOUS Serial_No:06262520:15 Page 21 of 30 FF SC-7Client ID: 06/24/25 14:45Date Collected: 06/24/25Date Received: Parameter Result Dilution Factor Matrix:Soil FRAMINGHAM, MASample Location: L2539761-01Lab ID: Qualifier Units RL SAMPLE RESULTS Project Name: Project Number: Lab Number: Report Date: ALP FRAMINGHAM MA230202 L2539761 Field Prep: Date Analyzed Analytical Method Analyst Not Specified General Chemistry - Westborough Lab Solids, Total 91.0 %10.100 06/25/25 04:02 121,2540G JMN Date Prepared - 06/26/25 MDL NA Sample Depth: Serial_No:06262520:15 Page 22 of 30 *Values in parentheses indicate holding time in days L2539761-01A L2539761-01B L2539761-01C L2539761-01D L2539761-01E L2539761-01F L2539761-01G Vial MeOH preserved Vial water preserved Vial water preserved Plastic 2oz unpreserved for TS Metals Only-Glass 60mL/2oz unpreserved Glass 250ml/8oz unpreserved Glass 500ml/16oz unpreserved NA NA NA NA NA NA NA NA NA NA NA NA NA NA Y Y Y Y Y Y Y Absent Absent Absent Absent Absent Absent Absent A Absent Cooler Custody Seal Cooler Information ALP FRAMINGHAM MA230202 HOLD-8260HLW(14),VPH-DELUX-18(28) HOLD-8260HLW(14) HOLD-8260HLW(14) TS(7) MCP-CR-6010T-10(180),MCP-AS-6010T- 10(180),MCP-TL-6010T-10(180),MCP- 7471T-10(28),MCP-CD-6010T- 10(180),MCP-ZN-6010T-10(180),MCP-SB- 6010T-10(180),MCP-AG-6010T- 10(180),MCP-BE-6010T-10(180),MCP-SE- 6010T-10(180),MCP-V-6010T- 10(180),MCP-BA-6010T-10(180),MCP-NI- 6010T-10(180),MCP-PB-6010T-10(180) HOLD-WETCHEM() EPH-DELUX-20(14),HOLD- 8270(14),HOLD-8082(14) Project Name: Project Number: L2539761Lab Number: Report Date: Sample Receipt and Container Information Container ID Container Type Cooler Temp deg C Pres Seal Container Information Analysis(*) 06/26/25 Were project specific reporting limits specified?YES 24-JUN-25 19:26 24-JUN-25 19:26 Frozen Date/Time Final pH Initial pH Serial_No:06262520:15 Page 23 of 30 Report Format:Data Usability Report GLOSSARY Project Name: Project Number: Lab Number: Report Date: L2539761ALP FRAMINGHAM MA230202 06/26/25 Acronyms DL EDL EMPC EPA LCS LCSD LFB LOD LOQ MDL MS MSD NA NC NDPA/DPA NI NP NR RL RPD SRM STLP TEF TEQ TIC Detection Limit: This value represents the level to which target analyte concentrations are reported as estimated values, when those target analyte concentrations are quantified below the limit of quantitation (LOQ). The DL includes any adjustments from dilutions, concentrations or moisture content, where applicable. (DoD report formats only.) Estimated Detection Limit: This value represents the level to which target analyte concentrations are reported as estimated values, when those target analyte concentrations are quantified below the reporting limit (RL). The EDL includes any adjustments from dilutions, concentrations or moisture content, where applicable. The use of EDLs is specific to the analysis of PAHs using Solid-Phase Microextraction (SPME). Estimated Maximum Possible Concentration: The concentration that results from the signal present at the retention time of an analyte when the ions meet all of the identification criteria except the ion abundance ratio criteria. An EMPC is a worst-case estimate of the concentration. Environmental Protection Agency. Laboratory Control Sample: A sample matrix, free from the analytes of interest, spiked with verified known amounts of analytes or a material containing known and verified amounts of analytes. Laboratory Control Sample Duplicate: Refer to LCS. Laboratory Fortified Blank: A sample matrix, free from the analytes of interest, spiked with verified known amounts of analytes or a material containing known and verified amounts of analytes. Limit of Detection: This value represents the level to which a target analyte can reliably be detected for a specific analyte in a specific matrix by a specific method. The LOD includes any adjustments from dilutions, concentrations or moisture content, where applicable. (DoD report formats only.) Limit of Quantitation: The value at which an instrument can accurately measure an analyte at a specific concentration. The LOQ includes any adjustments from dilutions, concentrations or moisture content, where applicable. (DoD report formats only.) Limit of Quantitation: The value at which an instrument can accurately measure an analyte at a specific concentration. The LOQ includes any adjustments from dilutions, concentrations or moisture content, where applicable. (DoD report formats only.) Method Detection Limit: This value represents the level to which target analyte concentrations are reported as estimated values, when those target analyte concentrations are quantified below the reporting limit (RL). The MDL includes any adjustments from dilutions, concentrations or moisture content, where applicable. Matrix Spike Sample: A sample prepared by adding a known mass of target analyte to a specified amount of matrix sample for which an independent estimate of target analyte concentration is available. For Method 332.0, the spike recovery is calculated using the native concentration, including estimated values. Matrix Spike Sample Duplicate: Refer to MS. Not Applicable. Not Calculated: Term is utilized when one or more of the results utilized in the calculation are non-detect at the parameter's reporting unit. N-Nitrosodiphenylamine/Diphenylamine. Not Ignitable. Non-Plastic: Term is utilized for the analysis of Atterberg Limits in soil. No Results: Term is utilized when 'No Target Compounds Requested' is reported for the analysis of Volatile or Semivolatile Organic TIC only requests. Reporting Limit: The value at which an instrument can accurately measure an analyte at a specific concentration. The RL includes any adjustments from dilutions, concentrations or moisture content, where applicable. Relative Percent Difference: The results from matrix and/or matrix spike duplicates are primarily designed to assess the precision of analytical results in a given matrix and are expressed as relative percent difference (RPD). Values which are less than five times the reporting limit for any individual parameter are evaluated by utilizing the absolute difference between the values; although the RPD value will be provided in the report. Standard Reference Material: A reference sample of a known or certified value that is of the same or similar matrix as the associated field samples. Semi-dynamic Tank Leaching Procedure per EPA Method 1315. Toxic Equivalency Factors: The values assigned to each dioxin and furan to evaluate their toxicity relative to 2,3,7,8-TCDD. Toxic Equivalent: The measure of a sample's toxicity derived by multiplying each dioxin and furan by its corresponding TEF and then summing the resulting values. Tentatively Identified Compound: A compound that has been identified to be present and is not part of the target compound list (TCL) for the method and/or program. All TICs are qualitatively identified and reported as estimated concentrations. - - - - - - - - - - - - - - - - - - - - - - - - - Serial_No:06262520:15 Page 24 of 30 Report Format:Data Usability Report Project Name: Project Number: Lab Number: Report Date: L2539761ALP FRAMINGHAM MA230202 06/26/25 Terms Analytical Method: Both the document from which the method originates and the analytical reference method. (Example: EPA 8260B is shown as 1,8260B.) The codes for the reference method documents are provided in the References section of the Addendum. Chlordane: The target compound Chlordane (CAS No. 57-74-9) is reported for GC ECD analyses. Per EPA,this compound "refers to a mixture of chlordane isomers, other chlorinated hydrocarbons and numerous other components." (Reference: USEPA Toxicological Review of Chlordane, In Support of Summary Information on the Integrated Risk Information System (IRIS), December 1997.) Difference: With respect to Total Oxidizable Precursor (TOP) Assay analysis, the difference is defined as the Post-Treatment value minus the Pre-Treatment value. Final pH: As it pertains to Sample Receipt & Container Information section of the report, Final pH reflects pH of container determined after adjustment at the laboratory, if applicable. If no adjustment required, value reflects Initial pH. Frozen Date/Time: With respect to Volatile Organics in soil, Frozen Date/Time reflects the date/time at which associated Reagent Water- preserved vials were initially frozen. Note: If frozen date/time is beyond 48 hours from sample collection, value will be reflected in 'bold'. Gasoline Range Organics (GRO): Gasoline Range Organics (GRO) results include all chromatographic peaks eluting from Methyl tert butyl ether through Naphthalene, with the exception of GRO analysis in support of State of Ohio programs, which includes all chromatographic peaks eluting from Hexane through Dodecane. Initial pH: As it pertains to Sample Receipt & Container Information section of the report, Initial pH reflects pH of container determined upon receipt, if applicable. PAH Total: With respect to Alkylated PAH analyses, the 'PAHs, Total' result is defined as the summation of results for all or a subset of the following compounds: Naphthalene, C1-C4 Naphthalenes, 2-Methylnaphthalene, 1-Methylnaphthalene, Biphenyl, Acenaphthylene, Acenaphthene, Fluorene, C1-C3 Fluorenes, Phenanthrene, C1-C4 Phenanthrenes/Anthracenes, Anthracene, Fluoranthene, Pyrene, C1-C4 Fluoranthenes/Pyrenes, Benz(a)anthracene, Chrysene, C1-C4 Chrysenes, Benzo(b)fluoranthene, Benzo(j)+(k)fluoranthene, Benzo(e)pyrene, Benzo(a)pyrene, Perylene, Indeno(1,2,3-cd)pyrene, Dibenz(ah)+(ac)anthracene, Benzo(g,h,i)perylene. If a 'Total' result is requested, the results of its individual components will also be reported. PFAS Total: With respect to PFAS analyses, the 'PFAS, Total (5)' result is defined as the summation of results for: PFHpA, PFHxS, PFOA, PFNA and PFOS. In addition, the 'PFAS, Total (6)' result is defined as the summation of results for: PFHpA, PFHxS, PFOA, PFNA, PFDA and PFOS. For MassDEP DW compliance analysis only, the 'PFAS, Total (6)' result is defined as the summation of results at or above the RL. Note: If a 'Total' result is requested, the results of its individual components will also be reported. Total: With respect to Organic analyses, a 'Total' result is defined as the summation of results for individual isomers or Aroclors. If a 'Total' result is requested, the results of its individual components will also be reported. This is applicable to 'Total' results for methods 8260, 8081 and 8082. Data Qualifiers A B C D E F G H I J M - - - - - - - - - - - Spectra identified as "Aldol Condensates" are byproducts of the extraction/concentration procedures when acetone is introduced in the process. The analyte was detected above the reporting limit in the associated method blank. Flag only applies to associated field samples that have detectable concentrations of the analyte at less than ten times (10x) the concentration found in the blank. For MCP-related projects, flag only applies to associated field samples that have detectable concentrations of the analyte at less than ten times (10x) the concentration found in the blank. For DOD-related projects, flag only applies to associated field samples that have detectable concentrations of the analyte at less than ten times (10x) the concentration found in the blank AND the analyte was detected above one-half the reporting limit (or above the reporting limit for common lab contaminants) in the associated method blank. For NJ- Air-related projects, flag only applies to associated field samples that have detectable concentrations of the analyte above the reporting limit. For NJ-related projects (excluding Air), flag only applies to associated field samples that have detectable concentrations of the analyte, which was detected above the reporting limit in the associated method blank or above five times the reporting limit for common lab contaminants (Phthalates, Acetone, Methylene Chloride, 2-Butanone). Co-elution: The target analyte co-elutes with a known lab standard (i.e. surrogate, internal standards, etc.) for co-extracted analyses. Concentration of analyte was quantified from diluted analysis. Flag only applies to field samples that have detectable concentrations of the analyte. Concentration of analyte exceeds the range of the calibration curve and/or linear range of the instrument. The ratio of quantifier ion response to qualifier ion response falls outside of the laboratory criteria. Results are considered to be an estimated maximum concentration. The concentration may be biased high due to matrix interferences (i.e, co-elution) with non-target compound(s). The result should be considered estimated. The analysis of pH was performed beyond the regulatory-required holding time of 15 minutes from the time of sample collection. The lower value for the two columns has been reported due to obvious interference. Estimated value. This represents an estimated concentration for Tentatively Identified Compounds (TICs). Reporting Limit (RL) exceeds the MCP CAM Reporting Limit for this analyte. 1 The reference for this analyte should be considered modified since this analyte is absent from the target analyte list of the original method. - Footnotes Serial_No:06262520:15 Page 25 of 30 Report Format:Data Usability Report Project Name: Project Number: Lab Number: Report Date: L2539761ALP FRAMINGHAM MA230202 06/26/25 Data Qualifiers ND NJ P Q R RE S V Z - - - - - - - - - Not detected at the reporting limit (RL) for the sample. Presumptive evidence of compound. This represents an estimated concentration for Tentatively Identified Compounds (TICs), where the identification is based on a mass spectral library search. The RPD between the results for the two columns exceeds the method-specified criteria. The quality control sample exceeds the associated acceptance criteria. For DOD-related projects, LCS and/or Continuing Calibration Standard exceedences are also qualified on all associated sample results. Note: This flag is not applicable for matrix spike recoveries when the sample concentration is greater than 4x the spike added or for batch duplicate RPD when the sample concentrations are less than 5x the RL. (Metals only.) Analytical results are from sample re-analysis. Analytical results are from sample re-extraction. Analytical results are from modified screening analysis. The surrogate associated with this target analyte has a recovery outside the QC acceptance limits. (Applicable to MassDEP DW Compliance samples only.) The batch matrix spike and/or duplicate associated with this target analyte has a recovery/RPD outside the QC acceptance limits. (Applicable to MassDEP DW Compliance samples only.) Serial_No:06262520:15 Page 26 of 30 Pace Analytical Services performs services with reasonable care and diligence normal to the analytical testing laboratory industry. In the event of an error, the sole and exclusive responsibility of Pace Analytical Services shall be to re-perform the work at it's own expense. In no event shall Pace Analytical Services be held liable for any incidental, consequential or special damages, including but not limited to, damages in any way connected with the use of, interpretation of, information or analysis provided by Pace Analytical Services. We strongly urge our clients to comply with EPA protocol regarding sample volume, preservation, cooling, containers, sampling procedures, holding time and splitting of samples in the field. LIMITATION OF LIABILITIES 97 121 131 135 EPA Test Methods (SW-846) with QC Requirements & Performance Standards for the Analysis of EPA SW-846 Methods under the Massachusetts Contingency Plan, WSCCAM-IIA, IIB, IIIA, IIIB, IIIC, IIID, VA, VB, VC, VIA, VIB, VIIIA and VIIIB, July 2010; WSC-CAM-IIIA and IIID, January 2024; WSC-CAM-IIIB and VA, February 2024; WSC-CAM-VB and VC, April 2024; and WSC-CAM-VIA, VIB, IXA, and IXB, October 2024. Standard Methods for the Examination of Water and Wastewater. APHA-AWWA-WEF. Standard Methods Online. Method for the Determination of Volatile Petroleum Hydrocarbons (VPH), MassDEP, February 2018, Revision 2.1 with QC Requirements & Performance Standards for the Analysis of VPH under the Massachusetts Contingency Plan, WSC-CAM-IVA, June 1, 2018. Method for the Determination of Extractable Petroleum Hydrocarbons (EPH), MassDEP, December 2019, Revision 2.1 with QC Requirements & Performance Standards for the Analysis of EPH under the Massachusetts Contingency Plan, WSC-CAM-IVB, March 1, 2020. Project Name: Project Number: Lab Number: Report Date: L2539761ALP FRAMINGHAM MA230202 REFERENCES 06/26/25 Serial_No:06262520:15 Page 27 of 30 Pace Analytical Services LLC ID No.:17873 Facility: Northeast Revision 27 Department: Quality Assurance Published Date: 01/24/2025 Title: Certificate/Approval Program Summary Page 1 of 2 Document Type: Form Pre-Qualtrax Document ID: 08-113 Certification Information The following analytes are not included in our Primary NELAP Scope of Accreditation: Westborough Facility – 8 Walkup Dr. Westborough, MA 01581 EPA 624.1: m/p-xylene, o-xylene, Naphthalene EPA 625.1: alpha-Terpineol EPA 8260D: NPW: 1,2,4,5-Tetramethylbenzene; 4-Ethyltoluene;SCM:Iodomethane (methyl iodide), 1,2,4,5-Tetramethylbenzene; 4-Ethyltoluene. EPA 8270E: NPW: Dimethylnaphthalene,1,4-Diphenylhydrazine, alpha-Terpineol, Azobenzene; SCM: Dimethylnaphthalene,1,4-Diphenylhydrazine. SM4500: NPW: Amenable Cyanide; SCM: Total Phosphorus, TKN, NO2, NO3. Mansfield Facility – 320 Forbes Blvd. Mansfield, MA 02048 SM 2540D: TSS. EPA TO-15: Halothane, 2,4,4-Trimethyl-2-pentene, 2,4,4-Trimethyl-1-pentene, Thiophene, 2-Methylthiophene, 3-Methylthiophene, 2-Ethylthiophene, 1,2,3-Trimethylbenzene, Indan, Indene, 1,2,4,5-Tetramethylbenzene, Benzothiophene, 1-Methylnaphthalene. MADEP-APH. Nonpotable Water: EPA RSK-175 Dissolved Gases Biological Tissue Matrix:EPA 3050B Mansfield Facility – 120 Forbes Blvd. Mansfield, MA 02048 EPA TO-15: Halothane, 2,4,4-Trimethyl-2-pentene, 2,4,4-Trimethyl-1-pentene, Thiophene, 2-Methylthiophene, 3-Methylthiophene, 2-Ethylthiophene, 1,2,3-Trimethylbenzene, Indan, Indene, 1,2,4,5-Tetramethylbenzene, Benzothiophene, 1-Methylnaphthalene. Nonpotable Water: EPA RSK-175 Dissolved Gases The following test method is not included in our New Jersey Secondary NELAP Scope of Accreditation: Mansfield Facility – 320 Forbes Blvd. Mansfield, MA 02048 Determination of Selected Perfluorinated Alkyl Substances by Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Isotope Dilution (via Alpha SOP 23528) The following analytes are included in our Massachusetts DEP Scope of Accreditation Westborough Facility – 8 Walkup Dr. Westborough, MA 01581 Drinking Water EPA 300.0: Chloride, Nitrate-N, Fluoride, Sulfate; EPA 353.2: Nitrate-N, Nitrite-N; SM4500NO3-F: Nitrate-N, Nitrite-N; SM4500F-C, SM4500CN-CE, EPA 180.1, SM2130B, SM4500Cl-D, SM2320B, SM2540C, SM4500H-B, SM4500NO2-B EPA 524.2: THMs and VOCs; EPA 504.1: EDB, DBCP. Microbiology: SM9215B; SM9223-P/A, SM9223B-Colilert-QT,SM9222D. Non-Potable Water SM4500H,B, EPA 120.1, SM2510B, SM2540C, SM2320B, SM4500CL-E, SM4500F-BC, SM4500NH3-BH: Ammonia-N and Kjeldahl-N, EPA 350.1: Ammonia-N, LACHAT 10-107-06-1-B: Ammonia-N, EPA 351.1,SM4500NO3-F, EPA 353.2: Nitrate-N, SM4500P-E, SM4500P-B, E, SM4500SO4-E, SM5220D, EPA 410.4, SM5210B, SM5310C, SM4500CL-D, EPA 1664, EPA 420.1, SM4500-CN-CE, SM2540D, EPA 300: Chloride, Sulfate, Nitrate. EPA 624.1: Volatile Halocarbons & Aromatics, EPA 608.3: Chlordane, Toxaphene, Aldrin, alpha-BHC, beta-BHC, gamma-BHC, delta-BHC, Dieldrin, DDD, DDE, DDT, Endosulfan I, Endosulfan II, Endosulfan sulfate, Endrin, Endrin Aldehyde, Heptachlor, Heptachlor Epoxide, PCBs EPA 625.1: SVOC (Acid/Base/Neutral Extractables). Microbiology: SM9223B-Colilert-QT; Enterolert-QT, EPA 1600, EPA 1603, SM9222D. Mansfield Facility – 320 Forbes Blvd. Mansfield, MA 02048 Drinking Water EPA 200.7: Al, Ba, Cd, Cr, Cu, Fe, Mn, Ni, Na, Ag, Ca, Zn. EPA 200.8: Al,Sb, As, Ba, Be, Cd, Cr, Cu, Pb, Mn, Ni, Se, Ag, TL, Zn. EPA 245.1 Hg. EPA 522, EPA 537.1. Non-Potable Water EPA 200.7: Al, Sb, As, Be, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Se, Ag, Na, Sr, TL, Ti, V, Zn. EPA 200.8: Al,Sb, As, Be, Cd, Cr, Cu, Fe, Pb, Mn, Ni, K, Se, Ag, Na, TL, Zn. EPA 245.1 Hg. SM2340B Serial_No:06262520:15 Page 28 of 30 Pace Analytical Services LLC ID No.:17873 Facility: Northeast Revision 27 Department: Quality Assurance Published Date: 01/24/2025 Title: Certificate/Approval Program Summary Page 2 of 2 Document Type: Form Pre-Qualtrax Document ID: 08-113 Certification IDs: Westborough Facility – 8 Walkup Dr. Westborough, MA 01581 CT PH-0826, IL 200077, IN C-MA-03, KY JY98045, ME MA00086, MD 348, MA M-MA086, NH 2064, NJ MA935, NY 11148, NC (DW) 25700, NC (NPW/SCM) 666, OR MA-1316, PA 68-03671, RI LAO00065, TX T104704476, VT VT-0935, VA 460195 Mansfield Facility – 320 Forbes Blvd. Mansfield, MA 02048 CT PH-0825, ANAB/DoD L2474, IL 200081, IN C-MA-04, KY KY98046, LA 3090, ME MA00030, MI 9110, MN 025-999-495, NH 2062, NJ MA015, NY 11627, NC (NPW/SCM) 685, OR MA-0262, PA 68-02089, RI LAO00299, TX T-104704419, VT VT-0015, VA 460194, WA C954 Mansfield Facility – 120 Forbes Blvd. Mansfield, MA 02048 ANAB/DoD L2474, ME MA01156, MN 025-999-498, NH 2249, NJ MA025, NY 12191, OR 4203, TX T104704583, VA 460311, WA C1104. For a complete listing of analytes and methods, please contact your Project Manager. Serial_No:06262520:15 Page 29 of 30 Serial_No:06262520:15 Page 30 of 30