44-25 Exhibit B-Complete - VI Letter Report - DPW West Orange - April 2023.pdf

Provide any information that may be pertinent to the sampling event and may assist in the data interpretation process. Active DPW maintenance/storage garages attached directly to office space Indoor air sampled in office space only; sub-slab soil-gas sampled in offices and garages Part V – Sampling Information Eric Snee 2101 951 - __________ Sample Technician: ____________________________ Phone number: ( 732 ) _______ Company: __________________________________________________________________________ CME Associates Sample Source: Indoor Air / Sub-Slab / Near Slab Soil Gas / Exterior Soil Gas Were “Instructions for Occupants” followed? Yes / No If not, describe modifications: __________________________________________________________ Sample locations (floor, room): Sample # Location Analytical Method Sample Volume Sample Time Sample Date Sampler Type Ambient Temp ( °F) Drawing of Sample Location(s) in Building Type of field instrument used (include summary of results): ____________________________ Part VI - Meteorological Conditions Was there significant precipitation within 12 hours prior to (or during) the sampling event? Yes / No 4/1/23 - temps in 50s to 70s, periodic rain, increasing winds Describe the general weather conditions: __________________________________________________ evening of 4/1 to morning of 4/2 - thunderstorms, strong winds; 4/2/23 - 40s to 50s, partly cloudy ____________________________________________________________________________________ D-3

Bureau of Case Assignment &Initial Notice Re: Vapor Intrusion Investigation Report West Orange DPW 25 Lakeside Ave Appendix 2 P:\I00 CME7\West Orange\DPW 25 Lakeside Ave\VI Investigation 2023\VI letter Report\VI Letter Report - DPW West Orange - April 2023.docx April 2023 Page 14

Serial_No:04172317:05 ANALYTICAL REPORT Lab Number: Client: L2317290 CME Associates 3759 US Hwy 1 South Suite 100 Monmouth Junction, NJ 08852 ATTN: Suresh Puppala Phone: (732) 951-2101 Project Name: WEST ORANGE DPW Project Number: IN000380.09 Report Date: 04/17/23 The original project report/data package is held by Alpha Analytical. This report/data package is paginated and should be reproduced only in its entirety. Alpha Analytical holds no responsibility for results and/or data that are not consistent with the original. Certifications & Approvals: MA (M-MA030), NH NELAP (2062), CT (PH-0141), DoD (L2474), FL (E87814), IL (200081), LA (85084), ME (MA00030), MD (350), NJ (MA015), NY (11627), NC (685), OH (CL106), PA (68-02089), RI (LAO00299), TX (T104704419), VT (VT-0015), VA (460194), WA (C954), US Army Corps of Engineers, USDA (Permit #P330-17-00150), USFWS (Permit #206964). 320 Forbes Boulevard, Mansfield, MA 02048-1806 508-822-9300 (Fax) 508-822-3288 800-624-9220 - www.alphalab.com Page 1 of 76

Serial_No:04172317:05 Project Name: Project Number: Lab Number: Report Date: WEST ORANGE DPW IN000380.09 Alpha Sample ID Client ID L2317290-01 L2317290 04/17/23 Matrix Sample Location Collection Date/Time Receive Date IA-1 AIR Not Specified 04/02/23 12:11 04/03/23 L2317290-02 IA-2 AIR Not Specified 04/02/23 08:36 04/03/23 L2317290-03 IA-3 AIR Not Specified 04/02/23 11:58 04/03/23 L2317290-04 AA-040123 AIR Not Specified 04/02/23 11:36 04/03/23 L2317290-05 SSSG-4 SOIL_VAPOR Not Specified 04/01/23 16:56 04/03/23 L2317290-06 SSSG-1 SOIL_VAPOR Not Specified 04/01/23 14:25 04/03/23 L2317290-07 SSSG-2 SOIL_VAPOR Not Specified 04/01/23 15:09 04/03/23 L2317290-08 SSSG-3 SOIL_VAPOR Not Specified 04/01/23 13:50 04/03/23 L2317290-09 SSSG-5 SOIL_VAPOR Not Specified 04/01/23 10:09 04/03/23 L2317290-10 SSSG-6 SOIL_VAPOR Not Specified 04/01/23 11:46 04/03/23 Page 2 of 76

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW IN000380.09 Lab Number: Report Date: L2317290 04/17/23 NJ DEP Data of Known Quality Protocols Conformance/Non-Conformance Summary Questionnaire 1 For each analytical method referenced in this laboratory report package, were all specified QA/QC performance criteria followed, including the requirement to explain any criteria falling outside of acceptable guidelines, as specified in the NJDEP Data of Known Quality performance standards? YES 1a Were the method specified handling, preservation, and holding time requirements met? YES 1b EPH Method: Was the EPH Method conducted without significant modifications (see Section 11.3 of respective DKQ methods)? N/A 2 Were all samples received by the laboratory in a condition consistent with that described on the associated chain-of-custody document(s)? YES 3 Were all samples received at an appropriate temperature (4 ± 2° C)? N/A 4 Were all QA/QC performance criteria specified in the NJDEP DKQP standards achieved? YES 5a Were reporting limits specified or referenced on the chain-of-custody or communicated to the laboratory prior to sample receipt? NO 5b Were these reporting limits met? N/A 6 For each analytical method referenced in this laboratory report package, were results reported for all constituents identified in the method-specific analyte lists presented in the DKQP documents and/or site-specific QAPP? YES 7 Are project-specific matrix spikes and/or laboratory duplicates included in this data set? NO Note: Page 3 of 76 For all questions to which the response was "No" (with the exception of question #7), additional information must be provided in an attached narrative. If the answer to question #1, #1a or #1b is "No", the data package does not meet the requirements for "Data of Known Quality".

Serial_No:04172317:05 Project Name: Project Number: Lab Number: Report Date: WEST ORANGE DPW IN000380.09 L2317290 04/17/23 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 Alpha 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, solids and tissues are reported on a dry

where it can be reviewed in conjunction with the sample result, associated regulatory criteria and any associated data usability implications. Soil/sediments, solids and tissues are reported on a dry 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, Alpha'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 Alpha Project Manager and made arrangements for Alpha 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. Page 4 of 76

Serial_No:04172317:05 Project Name: Project Number: Lab Number: Report Date: WEST ORANGE DPW IN000380.09 L2317290 04/17/23 Case Narrative (continued) NJDEP Volatile Organics in Air Canisters were released from the laboratory on March 31, 2023. The canister certification results are provided as an addendum. Any Manual integrations that were performed on the sample(s), as well as on the associated quality control samples, are noted on the individual quantitation reports. A listing of all manual integrations performed and the integration code definitions are provided in the manual integration documentation section of the data package. Please note: Dilution analysis due to exceedance of the calibration range is not required for Ethanol or Isopropyl Alcohol. GC column and trap information utilized for the analysis of this sample delivery group is detailed below: Column Type: Restek RTX-1 Column Length: 60 Meters Internal diameter: 0.52 mm Film thickness: 1.00 um Trap 1: Entech Cold Trap - no packing material Trap 2: Entech Tenax - 20 cm packing material Gaseous calibration standards were utilized for system calibration and quality control standards associated with this sample delivery group. These standards were purchased from Linde (formerly Spectra Gases). Laboratory standard procedure for QC (i.e. method blanks, LCS) and sample analysis is to withdraw a 250 mL aliquot from the canister as the "1X" analysis. For some calibration levels and samples, subsequent dilutions will be performed as needed by decreasing aliquot volumes via the instrumentation, or by performing a dilution using a second canister. Make-up air is not routinely added to canisters prior to sample analysis. Page 5 of 76

Serial_No:04172317:05 Project Name: Project Number: Lab Number: Report Date: WEST ORANGE DPW IN000380.09 L2317290 04/17/23 Case Narrative (continued) DKQP Related Narratives L2317290-10D: The sample has elevated detection limits due to the dilution required by the elevated concentrations of target compounds in the sample. 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 Page 6 of 76 Date: 04/17/23

Serial_No:04172317:05 AIR Page 7 of 76