Aspect Quarterly Update

Seven Acres Development (Former LDM Site - ECSI #887)

QUARTERLY UPDATE: JULY 1 - SEPTEMBER 30, 2023

ON-SITE ACTIVITIES

• * Parcel 1:
  • * Completed Buildings 1 and 5 and Pool.
• * Parcel 2:
  • * Completed Phase II remedial action building, pavement, and landscape caps on 8/8.
  • * Soil not accommodated beneath the cap was hauled offsite for disposal as hazardous waste between 7/18 and 7/21. Three water drums were hauled offsite as hazardous waste on 7/20.
  • * Aspect was onsite on 7/6, 7/17, 7/18 and 8/9 to oversee onsite activities. Aspect conducted the initial vapor intrusion assessment on 8/14 and semiannual groundwater monitoring between 8/21 and 8/23.
• * Point Environmental was onsite on 7/14, 7/28, 8/11, 8/24 to inspect erosion control measures. 8/24 was the final inspection.

PLAN VIEW PROGRESS

Parcel 2 construction work focused on Clubhouse construction, Garage 2 construction, soil management, and landscape cap completion.

UPCOMING DELIVERABLES to DEQ and ACTION ITEM REQUESTS

• * The forthcoming draft Phase II Construction Closeout Report, UPRR and Parcel 2 Operation and Maintenance Plans, and Post-Construction Fact Sheet will be submitted to DEQ for review. Following DEQ’s review and comment on the Phase II Construction Closeout Report and final report submission, a decision and certification of Phase II remedial action completion is requested from DEQ.

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8/9/23 Parcel 2 Clubhouse building, asphalt pavement, concrete pavement, and landscape cap.

"https://mcusercontent.com/f5f7e21c6821b7d02df1f7524/_compresseds/f3319e1c-488e-a24b-4005-7ba446a91f73.jpg"

8/9/23 Parcel 2 landscape and concrete pavement cap with Parcel 1 Building 1 in background.

Work for this project was performed for Guardian Real Estate Services LLC (Client), and the summary was prepared in accordance with generally accepted professional practices for the nature and conditions of work completed in the same or similar localities, at the time the work was performed. This summary presents preliminary data and an interim update that will be superseded by our final report. This summary does not represent a legal opinion. No other warranty, expressed or implied, is made.

All reports prepared by Aspect Consulting for the Client apply only to the services described in the Agreement(s) with the Client. Any use or reuse by any party other than the Client is at the sole risk of that party, and without liability to Aspect Consulting. Aspect Consulting’s original files/reports shall govern in the event of any dispute regarding the content of electronic documents furnished to others.

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