24035_TA Sherrill_Redevelopment Summary Rpt_20240131

2701 Westport Road
Charlotte, NC 28208
P [phone]
F [phone]
Terracon.com
01796-001/00512395
January 31, 2024

North Carolina Department of Environmental Quality
Brownfields Redevelopment Section
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

Attn: Mr. William Schmithorst

Re: Final Redevelopment Summary Report - 2023
Former TA Sherrill Construction Co Brownfields Site
2000-2028 North Brevard Street
Charlotte, Mecklenburg County, North Carolina
NCBRS #24035-20-060
Terracon Project No. 71197854

Dear Mr. Schmithorst:

On behalf of the MCP Optimist Park, LLC (“Prospective Developer” or “PD”), Terracon
Consultants, Inc. (Terracon) is pleased to submit this letter report documenting
environmental activities that occurred at the above-referenced Brownfields Property
during the calendar year 2023. This letter report satisfies the annual reporting
requirements of the approved Environmental Management Plan (EMP), dated November
5, 2020. Work completed during 2023 was previously documented and provided to the
North Carolina Department of Environmental Quality (NCDEQ) Brownfields Redevelopment
Section (BRS) in the following reports:

◼ VIMS Post Construction Report, dated May 24, 2023;
◼ Pre-Occupancy Indoor Air and Soil Vapor Sampling Report, dated August 28,
2023; and
◼ Pre-Occupancy Indoor Air and Soil Vapor Sampling Report, dated December 6,
2023.

Collectively, these reports documented the installation of the vapor intrusion mitigation
system (VIMS), pilot testing, pre-occupancy sub-slab soil gas sampling, and indoor air
sampling at the recently constructed multi-family apartment building at the site, in
accordance with the protocols set forth in the approved VIMS Design Submittal, dated
January 18, 2021 and revised April 13, 2021.

As documented in the reports, unacceptable risk to future site residents was not identified
in association with the soil gas to indoor air pathway. During initial indoor air sampling
events conducted in portions of the building, hazard indices slightly exceeding NCDEQ’s