Geotechnical Engineering Report Addendum No 1 Results of Testing 01 29 2025 submission

Mavis #2296 Additional Exploration January 29, 2025 ECS Project No. 44-2100-A Page 4 It has been our pleasure to be of service during this phase of the project. Please note, ECS is not responsible for the conclusions, opinions, or recommendations of others based on the data contained in this letter and its associated attachments. Should you have any questions concerning the information contained herein, or if we can be of further assistance to you, please contact us. Respectfully, ECS MID-ATLANTIC, LLC Jeffrey Digitally signed by Jeffrey Yates Yates 10:05:50 -05'00' Date: 2025.01.29 Jeffrey C. Yates, P.E. Stephen F. Patt, P.E. Geotechnical Department Manager Geotechnical Principal Engineer jcyates@ecslimited.com spatt@ecslimited.com Attachments: Attachment 1 – Drawings and Reports Attachment 2 - Test Pit and Infiltration Logs Attachment 3 - Laboratory Testing