Attachment K _Moll Point Joint Maritime Facility NL Tech Memo.pdf

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P1360: Joint Maritime Facility, Newfoundland, Canada
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N6247026R0011
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This is a technical memorandum documenting paint sampling analysis for lead, mercury, and polychlorinated biphenyls (PCBs) at the Moll Point Joint Maritime Facility located at Argentia Naval Air Station in Newfoundland and Labrador, Canada. The assessment was conducted between December 9-19, 2025, by WSP Canada Inc. for Naval Facilities Engineering Command Atlantic (NAVFAC Atlantic) in preparation for a demolition project (NAVFAC Project No. FY26 MCON PROJECT P1360).

The sampling identified lead-containing paints (above 90 ppm) in 54 locations across three buildings: 38 locations in the TE Building, 16 locations in the Generator Building, and 2 locations in the Guard Shack. Mercury-containing paints (above 10 ppm) were found in 16 locations total, with none exceeding the 50 ppm threshold requiring leachate analysis. PCB-containing paints (above 50 ppm) were identified in only two locations in the Generator Building (71 ppm and 68 ppm in black paint on metal ceiling hangers). Lead leachate analysis revealed that four paint samples exceeded the 5 mg/L hazardous waste threshold, requiring disposal at approved waste disposal sites rather than standard construction and demolition waste facilities. The memorandum provides detailed recommendations for handling lead-containing, mercury-containing, and PCB-containing materials in accordance with Canadian environmental regulations, occupational health and safety standards, and provincial guidelines, including specific protocols for worker exposure limits and material disposal procedures.

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WSP Canada Inc.

1 Spectacle Lake Drive Dartmouth, NS

T: +1 902 835 9955 wsp.com

Naval Facilities Engineering Command Atlantic (NAVFAC Atlantic; the “Client”) retained WSP Canada Inc. (WSP) to perform paint sampling for lead, mercury, and polychlorinated biphenyls (PCBs) throughout the Guard Shack, Generator Building, and TE Building within Moll Point Joint Maritime Facility, located at the Argentia Naval Air

Station, in Argentia, Newfoundland and Labrador (the “Site”). The assessment and sampling were completed between December 9 and December 19, 2025, by Brian Lane of WSP.

The paint sampling was completed in preparation for a demolition project of the buildings on Site (NAVFAC

Project No. FY26 MCON PROJECT P1360).

FINDINGS

WSP collected 55 paint samples (in duplicate) to determine lead, mercury, and PCB content.

The Certificates of Analyses are included as Attachment 1. A summary table of bulk and leachability sample results for lead, mercury, and PCBs in paint is included as Attachment 2. Sample location figures are presented in

Attachment 3.

Lead-Containing Paints

Based on the analytical results, various paints sampled throughout the Site buildings are above 90 ppm and, as a result, are considered to be lead-containing paints, based on the applied Surface Coating Materials Regulations

(SOR/2016-193). Refer to the attached certificates of analysis and results spreadsheet for more details.

▪ In the TE Building, lead was identified above 90 ppm in paints at 38 locations in a variety of colours applied to a variety of substrates.

▪ In the Generator Building, lead was identified above 90 ppm in paints at 16 locations in a variety of colours applied to a variety of substrates.

▪ In the Guard Shack lead was identified above 90 ppm in off white paint on drywall and light brown paint on exterior piping.

TECHNICAL MEMORANDUM

DATE 03 February 2026 WSP Project No. CA0037087.2445

TO NAVFAC Atlantic

FROM Juliet Kennedy, B.Sc. EMAIL juliet.kennedy@wsp.com

Veronica Reid, B.Sc., PMP veronica.reid@wsp.com

PAINT SAMPLING FOR LEAD, MERCURY, AND PCBS AT MOLL POINT JOINT MARITIME FACILITY, ARGENTIA NAVAL AIR STATION, ARGENTIA, NEWFOUNDLAND AND LABRADOR (NAVFAC ATLANTIC

PROJECT NO. FY26 MCON PROJECT P1360)

NAVFAC Atlantic Project No. CA0037087.2445

03 February 2026

Newfoundland and Labrador’s Guideline Document for Landfill Bans, Special Wastes and Diversion Programs

(2010) Lead Waste Screening Guideline, paint with a lead concentration greater than 5,000 ppm is required to undergo a leachate analysis for disposal purposes. The following paints contained greater than 5,000 ppm lead but did not exceed the 5 mg/L criteria specified by the Lead Waste Screening Guideline:

▪ Very light brown paint on plaster wall in Room 69 in the TE Building (sample TE-Rm69-M012A)

▪ Very light green paint on plaster wall in Room 74 in the TE Building (sample TE-Rm74-M016B)

▪ Dark grey paint on metal door and frame in Room 73 in the TE Building (sample TE-Rm73-M024A)

▪ Light grey paint on metal generator housing in Room 10 in the Generator Building (sample GB-Rm10-M008A)

▪ Light grey paint on metal generator housing in Room 10 in the Generator Building (sample GB-Rm10-M008B)

Under the Newfoundland and Labrador’s Guideline for Leachable Toxic Waste, Testing and Disposal (2003) and

Schedule II Leachate Test, Canadian Environmental Protection Act (CEPA) Proposed Regulations (2002)

Leachate Waste Screening Guideline, leachable toxic waste is characterized as paint with a leachate concentration of 5 mg/L or higher. Based on the analytical results, the leachate extraction was equal to or greater than 5 mg/L in the following paints:

▪ Black paint on metal door and frame, Rooms 27 and 30 of the TE Building – 180 mg/L (samples TE-Rm27-

M026A and TE-Rm30M026B – samples were combined for leachate analysis due to limited available mass)

▪ Green paint on metal door and frame, Room 47 of the TE Building – 22 mg/L (sample TE-Rm47-M027A)

▪ Black paint on concrete and metal pad, Room 51 of the TE Building – 6.1 mg/L (samples TE-Rm51-M030A)

▪ Black paint on concrete and metal pad, Room 51 of the TE Building – 8.9 mg/L (samples TE-Rm51-M030B)

Mercury-Containing Paints

Based on the analytical results, various paints sampled throughout the Site buildings are above 10 ppm and, as a result, are considered to be mercury-containing paints, based on the applied Surface Coating Materials

Regulations (SOR/2016-193). Refer to the attached certificates of analysis and results spreadsheet for more details.

▪ In the TE Building, mercury was identified above 10 ppm in paints at 14 locations in a variety of colours applied to a variety of substrates.

▪ In the Generator Building, mercury was identified above 10 ppm in white paint on drywall and concrete block, and blue paint applied to metal doors and frames.

▪ All paints tested in the Guardhouse contained less than 10 ppm mercury.

In Newfoundland and Labrador, under the Canadian Council of Ministers of the Environment (CCME) Canadian

Soil Quality Guidelines (CSQG), paint with a mercury concentration greater than 50 ppm is required to undergo leachate analysis. The Newfoundland and Labrador Department of Municipal Affairs and Environment (MAE)

2003 Guidance Document for Leachable Toxic Waste, Testing and Disposal (GD-PPD-26.1) characterizes leachable toxic waste as paint with a leachability of 0.10 mg/L or higher for mercury.

Based on the analytical results, no paint samples exceeded a mercury concentration of 50 ppm; therefore, no samples required leachate analysis.

PCB-Containing Paints

Based on the analytical results, the PCB concentrations in the following paints were above 50 ppm and, as a result, are considered to be PCB-containing paints, based on the Canadian Environmental Protection Act (CEPA)

PCB Regulations (SOR/2008-273):

▪ Black paint on metal ceiling hangers in Room 4 of the Generator Building – 71 ppm (sample GB-Rm4-

PCB012A)

▪ Black paint on metal ceiling hangers in Room 4 of the Generator Building – 68 ppm (sample GB-Rm4-

PCB012B).

CONCLUSIONS AND RECOMMENDATIONS

Based on the findings of the assessment and analytical results, the following are recommended:

Lead-Containing Paints

▪ Disturbance of building materials coated with lead-containing paints during renovation/demolition operations should be conducted following the Environmental Abatement Council of Canada (EACC) Lead Guideline for

Construction, Renovation, Maintenance or Repair (2025) Class 2A Operations, and must be conducted so as not to expose workers to airborne lead in excess of 50 ug/m3 as specified by Canada Occupational Health and Safety Regulations (SOR/86-304). Disturbance

▪ If leachate testing performed on a painted building material was below 5 mg/L lead, the painted building material can be disposed as regular C&D waste as outlined in the Waste Management Regulations (NLR

59/03), made under the Newfoundland and Labrador Environmental Protection Act. Painted metal should be recycled at a local scrap metal facility.

▪ If leachate extraction was above 5 mg/L, the painted building material is considered a hazardous waste and must be disposed of at an approved waste disposal site.

▪ Painted metal (regardless of leachability of paints applied) should be recycled at a local scrap metal facility.

Mercury-Containing Paints

▪ Disturbance of building materials coated with mercury-containing paints during renovation/demolition operations must be conducted so as not to expose workers to airborne mercury in excess of 25 ug/m3 as specified by Canada Occupational Health and Safety Regulations (SOR/86-304).

▪ Mercury concentrations in the paint did not exceed the disposal limit; therefore, paints can be disposed as regular C&D waste as outlined in the Waste Management Regulations (NLR 59/03), made under the

Newfoundland and Labrador Environmental Protection Act. Painted metal should be recycled at a local scrap metal facility.

PCB-Containing Paints

▪ Paints and painted material below the threshold of 50 ppm for PCBs in paint are not considered hazardous waste and can be disposed as regular C&D waste as outlined in the Waste Management Regulations (NLR

59/03), made under the Newfoundland and Labrador Environmental Protection Act.

▪ Paints and painted material exceeding the 50 ppm threshold for PCBs in paint are considered hazardous waste and must be packaged and shipped to a provincially authorized facility for destruction.

LIMITATIONS

This report was prepared for the exclusive use of NAVFAC. This report is based on data and information collected during the Site visit conducted by WSP and is based solely on Site conditions encountered at the time of the survey.

The conclusions and recommendations contained in this report are based upon professional opinions with regard to the subject matter. These opinions are in accordance with applicable and currently accepted occupational health and safety or environmental assessment standards and practices applicable to these locations and are subject to the following inherent limitations:

▪ The data and findings presented in this report are valid as of the date of the investigation. The passage of time, manifestation of latent conditions or occurrence of future events may warrant further exploration at the properties, analysis of the data, and re-evaluation of the findings, observations, and conclusions expressed in this report.

▪ The findings, observations and conclusions expressed by WSP in this report are not, and should not be considered, an opinion concerning compliance of any past or present owner or operator of the Site with any federal, provincial or local laws or regulations.

▪ Additional hazardous building materials not identified in this report may become evident during renovation activities. Should additional information become available, WSP requests that this information be brought to our attention so that we may re-assess the conclusions presented herein.

▪ WSP will not be responsible for any real or perceived decrease in a property value, its saleability or ability to gain financing through the reporting of information in this report.

▪ WSP’s report presents professional opinions and findings of a scientific and technical nature. While attempts were made to relate the data and findings to applicable environmental and occupational health and safety laws and regulations, the report shall not be construed to offer legal opinion or representations as to the requirements of, nor compliance with, environmental and occupational health and safety laws, rules, regulations, or policies of federal, provincial, or local governmental agencies. Any use of this assessment report constitutes acceptance of the limits of WSP’s liability. WSP’s liability extends only to its client and not to other parties who may obtain this assessment report. Issues raised by the report should be reviewed by appropriate legal counsel.

▪ The data reported and the findings and recommendations expressed in this report are limited by the Scope of

Work. The Scope of Work is based on the request of the client, availability of access to the property, and time constraints.

▪ In evaluating the Site conditions, we have relied in good faith on information provided by others. We accept no responsibility for any deficiency, misstatements or inaccuracies contained in this report as a result of omissions, misinterpretations or fraudulent acts of the persons involved.

▪ This report is of a summary nature and is not intended to stand alone without reference to the instructions given to WSP by the Client, communications between WSP and the Client, and to any other reports prepared by WSP for the Client relative to the specific Site described in the report. In order to properly understand the suggestions, recommendations and opinions expressed in this report, reference must be made to the whole of the report. We cannot be responsible for use of portions of the report without reference to the entire report.

▪ Unless otherwise stated, the suggestions, recommendations and opinions given in this report are intended only for the guidance of the Client in the design of the specific project. The extent and detail of investigations, including the number of locations investigated, necessary to determine all of the relevant conditions which may affect construction costs would normally be greater than has been carried out for design purposes.

Contractors bidding on, or undertaking the work, should rely on their own investigations, as well as their own interpretations of the factual data presented in the report, as to how concealed conditions may affect their work, including but not limited to proposed construction techniques, schedule, safety, and equipment capabilities.

▪ Special risks occur whenever engineering or related disciplines are applied to identify Site conditions and even a comprehensive investigation, sampling and testing program may fail to detect all or certain Site conditions. The conditions that WSP interprets to exist between and beyond investigation and sampling points may differ from those that actually exist.

CLOSURE

We trust that this technical memorandum meets your requirements. If you have any questions regarding the content of this technical memorandum, please do not hesitate to contact the undersigned.

Sincerely, WSP Canada Inc.

Juliet Kennedy, B.Sc.

Intermediate EHS Specialist

Mike Wilson, B.Sc.

Senior EHS Consultant

JK/VR/DS/ha

Attachment 1: Certificates of Analyses Attachment 2: Summary Table of Bulk and Leachability Sample Results for Lead, Mercury, and PCBs in Paints Attachment 3: Sample Location Figures https://wsponlinecan.sharepoint.com/sites/ca-us0048429.8539/shared documents/06. deliverables/technical memo - paint sampling/moll point joint maritime facility nl tech memo 07jan2026.docx

ATTACHMENT 1

Certificates of Analyses

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

AD46401

012546401EMSL Order ID:

EMSL Customer ID:

LIMS Reference ID:

WSPN36

January 09, 2026

Saint John's, NL A1B 4A5

36 Pippy Place

AP

The following analytical report covers the analysis performed on samples submitted to EMSL

Analytical, Inc. on 12/29/2025. The results are tabulated on the attached pages for the following client designated project:

CA0037087.2445-NAVFAC Paint Sampling

The reference number for these samples is EMSL Order #: AD46401 . Please use this reference when calling about these samples. If you have any questions, please do not hesitate to contact the lab at 856-858-4800.

WSP Canada, Inc. [WSPN36]

[TOC_1]Cover

Letter[TOC]

Report CommentsReport RevisionReport Date

01/09/2026 0 Initial Report

Owen McKenna, Laboratory Manager or other approved signatory

Table of Contents

Cover Letter 1

Sample Condition on Receipt 3

Samples in Report 4

Positive Hits Summary 7

Case Narratives Work Order 22

Sample Results 23

Quality Assurance Results 133

Certified Analyses 140

Certifications 140

Qualifiers, Definitions and Disclaimer 141

Chain of Custody PDF 142

_Master Project-WSPN36Project ID:

CA0037087.2445-NAVFAC Paint Sampling

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Sample Condition on Receipt

Default CoolerCooler ID: 22.0Temperature: °C

Custody Seals

Containers Intact

COC/Labels Agree

Preservation Confirmed

N

Y

Y

N

[TOC_1]Sample Condition on

Receipt[TOC]

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 3 of 142Page 3 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Samples in this Report

Sample Lab ID Matrix Date Sampled Date Received

TE-Rm52-PCB001AAD46401-01 12/29/202512/16/25 12:00 amSolid

TE-Rm52-PCB001BAD46401-02 12/29/202512/16/25 12:00 amSolid

TE-Rm51-PCB002AAD46401-03 12/29/202512/16/25 12:00 amSolid

TE-Rm42-PCB002BAD46401-04 12/29/202512/16/25 12:00 amSolid

TE-Rm46-PCB003AAD46401-05 12/29/202512/16/25 12:00 amSolid

TE-Rm46-PCB003BAD46401-06 12/29/202512/16/25 12:00 amSolid

TE-Rm43-PCB004AAD46401-07 12/29/202512/17/25 12:00 amSolid

TE-Rm43-PCB004BAD46401-08 12/29/202512/17/25 12:00 amSolid

TE-Rm7-PCB005AAD46401-09 12/29/202512/16/25 12:00 amSolid

TE-Rm4-PCB005BAD46401-10 12/29/202512/16/25 12:00 amSolid

TE-Rm10-PCB006AAD46401-11 12/29/202512/16/25 12:00 amSolid

TE-Rm10-PCB006BAD46401-12 12/29/202512/16/25 12:00 amSolid

TE-Rm65-PCB007AAD46401-13 12/29/202512/17/25 12:00 amSolid

TE-Rm65-PCB007BAD46401-14 12/29/202512/17/25 12:00 amSolid

TE-Rm67-PCB008AAD46401-15 12/29/202512/16/25 12:00 amSolid

TE-Rm50-PCB008BAD46401-16 12/29/202512/17/25 12:00 amSolid

TE-Rm66-PCB009AAD46401-17 12/29/202512/16/25 12:00 amSolid

TE-Rm66-PCB009BAD46401-18 12/29/202512/16/25 12:00 amSolid

TE-Rm64-PCB010AAD46401-19 12/29/202512/16/25 12:00 amSolid

TE-Rm64-PCB010BAD46401-20 12/29/202512/17/25 12:00 amSolid

TE-Rm68-PCB011AAD46401-21 12/29/202512/16/25 12:00 amSolid

TE-Rm68-PCB011BAD46401-22 12/29/202512/17/25 12:00 amSolid

TE-Rm69-PCB012AAD46401-23 12/29/202512/16/25 12:00 amSolid

TE-Rm53-PCB012BAD46401-24 12/29/202512/16/25 12:00 amSolid

TE-Rm69-PCB013AAD46401-25 12/29/202512/16/25 12:00 amSolid

TE-Rm69-PCB013BAD46401-26 12/29/202512/17/25 12:00 amSolid

TE-Rm73-PCB014AAD46401-27 12/29/202512/16/25 12:00 amSolid

TE-Rm73-PCB014BAD46401-28 12/29/202512/17/25 12:00 amSolid

TE-Rm53-PCB015AAD46401-29 12/29/202512/16/25 12:00 amSolid

TE-Rm72-PCB015BAD46401-30 12/29/202512/16/25 12:00 amSolid

TE-Rm74-PCB016AAD46401-31 12/29/202512/16/25 12:00 amSolid

TE-Rm74-PCB016BAD46401-32 12/29/202512/17/25 12:00 amSolid

TE-Rm57-PCB017AAD46401-33 12/29/202512/16/25 12:00 amSolid

TE-Rm21-PCB017BAD46401-34 12/29/202512/16/25 12:00 amSolid

TE-Rm40-PCB018AAD46401-35 12/29/202512/17/25 12:00 amSolid

TE-Rm40-PCB018BAD46401-36 12/29/202512/17/25 12:00 amSolid

TE-Rm25-PCB019AAD46401-37 12/29/202512/17/25 12:00 amSolid

TE-Rm23-PCB019BAD46401-38 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB020AAD46401-39 12/29/202512/17/25 12:00 amSolid

[TOC_1]Samples in

Report[TOC]

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 4 of 142Page 4 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Samples in this Report (Continued)

Sample Lab ID Matrix Date Sampled Date Received

TE-Ext-PCB020BAD46401-40 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB021AAD46401-41 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB021BAD46401-42 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB022AAD46401-43 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB022BAD46401-44 12/29/202512/17/25 12:00 amSolid

TE-Ext-PCB023AAD46401-45 12/29/202512/18/25 12:00 amSolid

TE-Ext-PCB023BAD46401-46 12/29/202512/18/25 12:00 amSolid

TE-Rm73-PCB024AAD46401-47 12/29/202512/18/25 12:00 amSolid

TE-Rm63-PCB024BAD46401-48 12/29/202512/18/25 12:00 amSolid

TE-Rm63-PCB025AAD46401-49 12/29/202512/18/25 12:00 amSolid

TE-Rm15-PCB025BAD46401-50 12/29/202512/18/25 12:00 amSolid

TE-Rm27-PCB026AAD46401-51 12/29/202512/18/25 12:00 amSolid

TE-Rm30-PCB026BAD46401-52 12/29/202512/18/25 12:00 amSolid

TE-Rm47-PCB027AAD46401-53 12/29/202512/18/25 12:00 amSolid

TE-Rm47-PCB027BAD46401-54 12/29/202512/18/25 12:00 amSolid

TE-Rm52-PCB028AAD46401-55 12/29/202512/18/25 12:00 amSolid

TE-Rm52-PCB028BAD46401-56 12/29/202512/18/25 12:00 amSolid

TE-Rm52-PCB029AAD46401-57 12/29/202512/18/25 12:00 amSolid

TE-Rm52-PCB029BAD46401-58 12/29/202512/18/25 12:00 amSolid

TE-Rm51-PCB030AAD46401-59 12/29/202512/18/25 12:00 amSolid

TE-Rm51-PCB030BAD46401-60 12/29/202512/18/25 12:00 amSolid

TE-Rm45-PCB031AAD46401-61 12/29/202512/19/25 12:00 amSolid

TE-Rm63-PCB031BAD46401-62 12/29/202512/19/25 12:00 amSolid

TE-Rm51-PCB032AAD46401-63 12/29/202512/19/25 12:00 amSolid

TE-Rm71-PCB032BAD46401-64 12/29/202512/19/25 12:00 amSolid

TE-Rm51-PCB033AAD46401-65 12/29/202512/19/25 12:00 amSolid

TE-Rm27-PCB033BAD46401-66 12/29/202512/19/25 12:00 amSolid

GB-Rm1-PCB001AAD46401-67 12/29/202512/9/25 12:00 amSolid

GB-Rm10-PCB001BAD46401-68 12/29/202512/9/25 12:00 amSolid

GB-Rm6-PCB002AAD46401-69 12/29/202512/9/25 12:00 amSolid

GB-Rm9-PCB002BAD46401-70 12/29/202512/9/25 12:00 amSolid

GB-Rm5-PCB003AAD46401-71 12/29/202512/9/25 12:00 amSolid

GB-Rm5-PCB003BAD46401-72 12/29/202512/9/25 12:00 amSolid

GB-Rm1-PCB004AAD46401-73 12/29/202512/9/25 12:00 amSolid

GB-Rm1-PCB004BAD46401-74 12/29/202512/9/25 12:00 amSolid

GB-Rm1-PCB005AAD46401-75 12/29/202512/9/25 12:00 amSolid

GB-Rm1-PCB005BAD46401-76 12/29/202512/9/25 12:00 amSolid

GB-Rm4-PCB006AAD46401-77 12/29/202512/12/25 12:00 amSolid

GB-Rm4-PCB006BAD46401-78 12/29/202512/12/25 12:00 amSolid

GB-Rm4-PCB007AAD46401-79 12/29/202512/12/25 12:00 amSolid

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 5 of 142Page 5 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Samples in this Report (Continued)

Sample Lab ID Matrix Date Sampled Date Received

GB-Rm12-PCB007BAD46401-80 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB008AAD46401-81 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB008BAD46401-82 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB009AAD46401-83 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB009BAD46401-84 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB010AAD46401-85 12/29/202512/12/25 12:00 amSolid

GB-Rm10-PCB010BAD46401-86 12/29/202512/12/25 12:00 amSolid

GB-Rm2-PCB011AAD46401-87 12/29/202512/12/25 12:00 amSolid

GB-Rm2-PCB011BAD46401-88 12/29/202512/12/25 12:00 amSolid

GB-Rm4-PCB012AAD46401-89 12/29/202512/15/25 12:00 amSolid

GB-Rm4-PCB012BAD46401-90 12/29/202512/15/25 12:00 amSolid

GB-Rm14-PCB013AAD46401-91 12/29/202512/15/25 12:00 amSolid

GB-Rm14-PCB013BAD46401-92 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB014AAD46401-93 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB014BAD46401-94 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB015AAD46401-95 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB015BAD46401-96 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB016AAD46401-97 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB016BAD46401-98 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB017AAD46401-99 12/29/202512/15/25 12:00 amSolid

GB-Ext-PCB017BAD46401-AA 12/29/202512/15/25 12:00 amSolid

GS-Rm1-PCB001AAD46401-AB 12/29/202512/9/25 12:00 amSolid

GS-Rm1-PCB001BAD46401-AC 12/29/202512/9/25 12:00 amSolid

GS-Rm1-PCB002AAD46401-AD 12/29/202512/9/25 12:00 amSolid

GS-Rm2-PCB002BAD46401-AE 12/29/202512/9/25 12:00 amSolid

GS-Rm2-PCB003AAD46401-AF 12/29/202512/9/25 12:00 amSolid

GS-Ext-PCB003BAD46401-AG 12/29/202512/9/25 12:00 amSolid

GS-Ext-PCB004AAD46401-AH 12/29/202512/9/25 12:00 amSolid

GS-Ext-PCB004BAD46401-AI 12/29/202512/9/25 12:00 amSolid

GS-Ext-PCB005AAD46401-AJ 12/29/202512/9/25 12:00 amSolid

GS-Ext-PCB005BAD46401-AK 12/29/202512/9/25 12:00 amSolid

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 6 of 142Page 6 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary

AD46401-01 TE-Rm52-PCB001A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 3.2 12/31/2025 14:32Aroclor-1242 mg/kg

SW846-8082A 4.0 12/31/2025 14:32Aroclor-1254 mg/kg

AD46401-02 TE-Rm52-PCB001B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.4 12/31/2025 15:12Aroclor-1242 mg/kg

SW846-8082A 2.4 12/31/2025 15:12Aroclor-1254 mg/kg

AD46401-03 TE-Rm51-PCB002A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.4 12/31/2025 14:53Aroclor-1242 mg/kg

SW846-8082A 4.2 12/31/2025 14:53Aroclor-1254 mg/kg

AD46401-04 TE-Rm42-PCB002B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 1.1 12/31/2025 15:34Aroclor-1254 mg/kg

SW846-8082A 2.2 12/31/2025 15:34Aroclor-1242 mg/kg

AD46401-05 TE-Rm46-PCB003A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.7 12/31/2025 15:56Aroclor-1254 mg/kg

SW846-8082A 3.8 12/31/2025 15:56Aroclor-1242 mg/kg

AD46401-06 TE-Rm46-PCB003B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 12 D 01/02/2026 12:58Aroclor-1254 mg/kg

[TOC_1]Positive Hits

Summary[TOC]

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 7 of 142Page 7 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-07 TE-Rm43-PCB004A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.7 12/31/2025 16:39Aroclor-1254 mg/kg

SW846-8082A 3.8 12/31/2025 16:39Aroclor-1242 mg/kg

AD46401-08 TE-Rm43-PCB004B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.8 12/31/2025 17:01Aroclor-1254 mg/kg

SW846-8082A 3.7 12/31/2025 17:01Aroclor-1242 mg/kg

AD46401-09 TE-Rm7-PCB005A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 1.6 12/31/2025 17:23Aroclor-1242 mg/kg

SW846-8082A 2.2 12/31/2025 17:23Aroclor-1254 mg/kg

AD46401-10 TE-Rm4-PCB005B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 1.0 12/31/2025 17:45Aroclor-1260 mg/kg

SW846-8082A 4.0 12/31/2025 17:45Aroclor-1242 mg/kg

SW846-8082A 7.4 12/31/2025 17:45Aroclor-1254 mg/kg

AD46401-11 TE-Rm10-PCB006A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.5 12/31/2025 18:07Aroclor-1254 mg/kg

SW846-8082A 2.7 12/31/2025 18:07Aroclor-1242 mg/kg

AD46401-12 TE-Rm10-PCB006B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.4 12/31/2025 18:29Aroclor-1254 mg/kg

SW846-8082A 3.5 12/31/2025 18:29Aroclor-1242 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 8 of 142Page 8 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-13 TE-Rm65-PCB007A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 0.65 12/31/2025 19:13Aroclor-1260 mg/kg

SW846-8082A 3.6 12/31/2025 19:13Aroclor-1254 mg/kg

SW846-8082A 4.8 12/31/2025 19:13Aroclor-1242 mg/kg

AD46401-14 TE-Rm65-PCB007B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 0.90 12/31/2025 15:15Aroclor-1254 mg/kg

SW846-8082A 2.2 12/31/2025 15:15Aroclor-1242 mg/kg

AD46401-15 TE-Rm67-PCB008A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.5 12/31/2025 19:34Aroclor-1254 mg/kg

SW846-8082A 4.5 12/31/2025 19:34Aroclor-1242 mg/kg

AD46401-16 TE-Rm50-PCB008B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 0.49 12/31/2025 19:56Aroclor-1254 mg/kg

SW846-8082A 1.4 12/31/2025 19:56Aroclor-1242 mg/kg

AD46401-17 TE-Rm66-PCB009A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 3.0 12/31/2025 20:18Aroclor-1242 mg/kg

SW846-8082A 3.0 12/31/2025 20:18Aroclor-1254 mg/kg

AD46401-18 TE-Rm66-PCB009B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.3 12/31/2025 20:40Aroclor-1254 mg/kg

SW846-8082A 2.5 12/31/2025 20:40Aroclor-1242 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 9 of 142Page 9 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-19 TE-Rm64-PCB010A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 0.77 12/31/2025 21:02Aroclor-1254 mg/kg

SW846-8082A 1.1 12/31/2025 21:02Aroclor-1242 mg/kg

AD46401-20 TE-Rm64-PCB010B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.2 12/31/2025 21:24Aroclor-1254 mg/kg

SW846-8082A 1.5 12/31/2025 21:24Aroclor-1242 mg/kg

AD46401-21 TE-Rm68-PCB011A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.6 12/31/2025 15:37Aroclor-1242 mg/kg

SW846-8082A 3.8 12/31/2025 15:37Aroclor-1254 mg/kg

AD46401-22 TE-Rm68-PCB011B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.0 12/31/2025 15:59Aroclor-1242 mg/kg

SW846-8082A 1.3 12/31/2025 15:59Aroclor-1254 mg/kg

AD46401-23 TE-Rm69-PCB012A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 17 D 01/02/2026 12:57Aroclor-1254 mg/kg

AD46401-24 TE-Rm53-PCB012B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 4.3 12/31/2025 16:43Aroclor-1242 mg/kg

SW846-8082A 5.3 12/31/2025 16:43Aroclor-1254 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 10 of 142Page 10 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-25 TE-Rm69-PCB013A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 0.52 12/31/2025 17:05Aroclor-1242 mg/kg

SW846-8082A 1.3 12/31/2025 17:05Aroclor-1254 mg/kg

AD46401-26 TE-Rm69-PCB013B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 0.43 12/31/2025 17:26Aroclor-1242 mg/kg

SW846-8082A 1.0 12/31/2025 17:26Aroclor-1254 mg/kg

AD46401-27 TE-Rm73-PCB014A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 3.1 12/31/2025 18:09Aroclor-1242 mg/kg

SW846-8082A 4.2 12/31/2025 18:09Aroclor-1254 mg/kg

AD46401-28 TE-Rm73-PCB014B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 4.0 12/31/2025 18:31Aroclor-1242 mg/kg

SW846-8082A 4.8 12/31/2025 18:31Aroclor-1254 mg/kg

AD46401-29 TE-Rm53-PCB015A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.8 12/31/2025 18:53Aroclor-1254 mg/kg

SW846-8082A 4.7 12/31/2025 18:53Aroclor-1242 mg/kg

AD46401-30 TE-Rm72-PCB015B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 2.9 12/31/2025 21:46Aroclor-1242 mg/kg

SW846-8082A 3.6 12/31/2025 21:46Aroclor-1254 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 11 of 142Page 11 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-31 TE-Rm74-PCB016A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 11 D 01/02/2026 13:20Aroclor-1254 mg/kg

SW846-8082A 3.8 D 01/02/2026 13:20Aroclor-1242 mg/kg

SW846-8082A 5.7 D 01/02/2026 13:20Aroclor-1260 mg/kg

AD46401-32 TE-Rm74-PCB016B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 12 D 01/02/2026 13:41Aroclor-1254 mg/kg

SW846-8082A 2.0 D 01/02/2026 13:41Aroclor-1260 mg/kg

SW846-8082A 4.2 D 01/02/2026 13:41Aroclor-1242 mg/kg

AD46401-33 TE-Rm57-PCB017A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 1.4 12/31/2025 19:59Aroclor-1242 mg/kg

SW846-8082A 2.6 12/31/2025 19:59Aroclor-1254 mg/kg

AD46401-34 TE-Rm21-PCB017B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/16/25 00:00

SW846-8082A 0.87 12/31/2025 20:20Aroclor-1260 mg/kg

SW846-8082A 5.0 12/31/2025 20:20Aroclor-1242 mg/kg

SW846-8082A 6.7 12/31/2025 20:20Aroclor-1254 mg/kg

AD46401-35 TE-Rm40-PCB018A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.2 12/31/2025 20:42Aroclor-1260 mg/kg

SW846-8082A 2.3 12/31/2025 20:42Aroclor-1232 mg/kg

SW846-8082A 6.7 12/31/2025 20:42Aroclor-1254 mg/kg

AD46401-36 TE-Rm40-PCB018B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 12 of 142Page 12 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-36 TE-Rm40-PCB018B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.0 12/31/2025 21:03Aroclor-1260 mg/kg

SW846-8082A 2.1 12/31/2025 21:03Aroclor-1232 mg/kg

SW846-8082A 5.2 12/31/2025 21:03Aroclor-1254 mg/kg

AD46401-37 TE-Rm25-PCB019A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 1.3 D 01/02/2026 14:04Aroclor-1260 mg/kg

SW846-8082A 7.0 D 01/02/2026 14:04Aroclor-1254 mg/kg

AD46401-38 TE-Rm23-PCB019B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 11 D 01/02/2026 13:19Aroclor-1254 mg/kg

SW846-8082A 3.2 D 01/02/2026 13:19Aroclor-1260 mg/kg

AD46401-42 TE-Ext-PCB021B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/17/25 00:00

SW846-8082A 0.32 12/31/2025 22:29Aroclor-1254 mg/kg

AD46401-46 TE-Ext-PCB023B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 1.7 01/05/2026 15:36Aroclor-1260 mg/kg

AD46401-47 TE-Rm73-PCB024A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.2 D 01/05/2026 22:22Aroclor-1242 mg/kg

SW846-8082A 4.4 D 01/05/2026 22:22Aroclor-1254 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 13 of 142Page 13 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-48 TE-Rm63-PCB024B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 5.1 D 01/06/2026 11:21Aroclor-1242 mg/kg

SW846-8082A 8.1 D 01/06/2026 11:21Aroclor-1254 mg/kg

AD46401-49 TE-Rm63-PCB025A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 3.8 01/02/2026 19:30Aroclor-1254 mg/kg

SW846-8082A 4.7 01/02/2026 19:30Aroclor-1242 mg/kg

AD46401-50 TE-Rm15-PCB025B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 10 D 01/06/2026 11:43Aroclor-1254 mg/kg

SW846-8082A 8.5 D 01/06/2026 11:43Aroclor-1242 mg/kg

AD46401-51 TE-Rm27-PCB026A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 6.0 01/02/2026 19:52Aroclor-1242 mg/kg

SW846-8082A 7.0 01/02/2026 19:52Aroclor-1254 mg/kg

AD46401-52 TE-Rm30-PCB026B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 8.5 01/02/2026 20:14Aroclor-1254 mg/kg

AD46401-53 TE-Rm47-PCB027A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 5.2 D 01/06/2026 12:04Aroclor-1242 mg/kg

SW846-8082A 6.4 D 01/06/2026 12:04Aroclor-1254 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 14 of 142Page 14 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-54 TE-Rm47-PCB027B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.3 D 01/06/2026 12:26Aroclor-1242 mg/kg

SW846-8082A 6.3 D 01/06/2026 12:26Aroclor-1254 mg/kg

AD46401-55 TE-Rm52-PCB028A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.6 01/02/2026 20:36Aroclor-1254 mg/kg

AD46401-56 TE-Rm52-PCB028B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 1.8 01/02/2026 20:57Aroclor-1260 mg/kg

SW846-8082A 2.3 01/02/2026 20:57Aroclor-1242 mg/kg

SW846-8082A 3.7 01/02/2026 20:57Aroclor-1254 mg/kg

AD46401-57 TE-Rm52-PCB029A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 2.5 D 01/06/2026 13:10Aroclor-1260 mg/kg

SW846-8082A 5.0 D 01/06/2026 13:10Aroclor-1242 mg/kg

SW846-8082A 9.2 D 01/06/2026 13:10Aroclor-1254 mg/kg

AD46401-58 TE-Rm52-PCB029B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.2 D 01/06/2026 12:48Aroclor-1242 mg/kg

SW846-8082A 5.0 D 01/06/2026 12:48Aroclor-1260 mg/kg

SW846-8082A 6.7 D 01/06/2026 12:48Aroclor-1254 mg/kg

AD46401-59 TE-Rm51-PCB030A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.5 01/05/2026 19:05Aroclor-1254 mg/kg

SW846-8082A 4.7 01/05/2026 19:05Aroclor-1242 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 15 of 142Page 15 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-60 TE-Rm51-PCB030B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/18/25 00:00

SW846-8082A 4.8 01/05/2026 19:27Aroclor-1254 mg/kg

SW846-8082A 7.9 01/05/2026 19:27Aroclor-1242 mg/kg

AD46401-61 TE-Rm45-PCB031A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 0.83 01/05/2026 20:11Aroclor-1254 mg/kg

SW846-8082A 0.88 01/05/2026 20:11Aroclor-1242 mg/kg

AD46401-62 TE-Rm63-PCB031B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 2.6 01/05/2026 20:33Aroclor-1254 mg/kg

SW846-8082A 2.9 01/05/2026 20:33Aroclor-1242 mg/kg

AD46401-63 TE-Rm51-PCB032A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 1.7 01/06/2026 12:57Aroclor-1242 mg/kg

SW846-8082A 2.9 01/06/2026 12:57Aroclor-1254 mg/kg

AD46401-64 TE-Rm71-PCB032B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 2.6 D 01/06/2026 14:05Aroclor-1242 mg/kg

SW846-8082A 6.3 D 01/06/2026 14:05Aroclor-1254 mg/kg

AD46401-65 TE-Rm51-PCB033A

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 1.2 01/06/2026 13:42Aroclor-1260 mg/kg

SW846-8082A 2.2 01/06/2026 13:42Aroclor-1242 mg/kg

SW846-8082A 3.2 01/06/2026 13:42Aroclor-1254 mg/kg

EMSL maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria and met method specifications unless otherwise noted. Page 16 of 142Page 16 of 158

EMSL Customer ID: WSPN36

LIMS Reference ID: AD46401

EMSL Order ID: 012546401

12/29/2025 09:00Received:

capayablesinvoice@wsp.com

(709) 722-7023

Attention: AP

EMSL Analytical, Inc.

200 Route 130, Cinnaminson, NJ, 08077

Telephone: 856-858-4800 Fax:cs@emsl.com

EMSL-CIN-01

Saint John's, NL A1B 4A5

36 Pippy Place

WSP Canada, Inc. [WSPN36]

Reported:

Customer PO:

Project Name:

Sales Rep: Sarah Jamieson

Positive Hits Summary (Continued)

AD46401-66 TE-Rm27-PCB033B

Method Analyte Result

Lab ID Client ID

Qualifier AnalyzedUnit

Sampled

12/19/25 00:00

SW846-8082A 1.9 01/06/2026…

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