GTSI (GroundTech) has been providing environmental services for decades to property purchasers, investors, developers and lenders within the Charlotte Metropolitan area. These services include performing:

  • Phase I Environmental Site Assessments,
  • Phase II Environmental Site Assessments and
  • Asbestos Surveys.


GTSI (GroundTech) performs Phase I Environmental Site Assessments (ESA) in accordance with ASTM E1527-13 and 40 CFR 312, “All Appropriate Inquiries,” to determine if recognized environmental conditions exist at the property.  

The term recognized environmental conditions, as defined by ASTM E1527-13, means the presence or likely presence of any hazardous substances or petroleum products in, on, or at a property: (1) due to any release to the environment; (2) under conditions indicative of a release to the environment; or (3) under conditions that pose a material threat of a future release to the environment.  De minimis conditions are not recognized environmental conditions.


GTSI (GroundTech) performs the following Scope of Services when performing Phase I Environmental Site Assessments (ESA’s):

Site History Review

  • Discussions with individuals knowledgeable in the history of the site
  • Evaluation of historical aerial photographs and topographic maps

Regulatory and Environmental Review

  • Discussions with local regulatory agencies
  • Review of state and federal database listings

Site Reconnaissance

  • General site characterization through visual inspection
  • Identification of adjoining property use

Summary Report

  • Preparation of a written assessment report


GTSI (GroundTech) performs Phase II Environmental Site Assessments (ESAs) when Recognized Environmental Conditions (RECs) are identified in the Phase I ESA that require further investigation.

Phase II ESAs include sampling and laboratory analysis to confirm the presence of hazardous and/or petroleum materials, and may include the following:

  • surficial soil and/or water samples
  • subsurface soil borings and sampling
  • groundwater sampling
  • underground storage tank testing.


Our GTSI (GroundTech) Accredited North Carolina Asbestos Inspector performs Asbestos Surveys for clients to inspect structures prior to renovation or demolition activities to identify whether asbestos containing materials (ACM) are present.

When are Asbestos Inspections required in North Carolina?

According to the Health Hazards Control Unit (HHCU) of the North Carolina Department of Health & Human Services, Division of Public Health, “Buildings must be thoroughly inspected by a North Carolina Accredited Asbestos Inspector prior to beginning any demolition or renovation activity.”

Call GTSI today at 704-987-8378 for your Environmental Services needs.  
GTSI can:

  • Inspect your building for Asbestos Containing Material (ACM) prior to your scheduled renovation or demolition in the Charlotte-Metropolitan area of North Carolina.
  • Perform a Phase I Environmental Site Assessment.
  • Perform a Phase II Environmental Site Assessment.

Interested in learning more about any of these services or hiring us for your next project? Contact us today! 704-987-8378

Who Has Hired Us

Our Clients