Serving Environmental needs for over 35 years

Site Investigation

Site Investigations

HAI is experienced with a variety of surface and subsurface investigations, underground storage tank (UST) decommissioning projects, hazardous substance determinations, risk assessments (RAs), and remedial investigation (RI) and feasibility study (FS), as well as remedial design activities. The focus of this Group is to achieve the cleanup of contaminated soil and groundwater, as well as regulatory site closure (e.g. "No Further Action" (NFA)), in a timely and cost-efficient manner.

Representative Projects

Hillsboro 4th Main Brownfield
Cottonwood Canyon
Former St. Vincent de Paul Property
Portland-Milwaukie Light Rail Corridor

As a focused regional firm, we provide a personal approach, along with attention to detail, consistent high-quality work, and continuity of staff and services, including Phase I and II ESAs, Remedial Investigations, and Brownfield Redevelopment. The solutions we provide for our clients are formulated to promote responsible stewardship of the environment.