Phase I Environmental Site Assessments (ESA)
Includes certification by the American Society for Testing and Materials (ASTM) E1527-05 standards and All Appropriate Inquiry (AAI) requirements as well as client-specific data.

We have conducted Phase I ESA and due diligence for a range of clients including banks, realtors, developers, and manufacturing companies. ERG’s experience, knowledge and understanding of federal, state and local agency requirements assists our clients to identify Recognized Environmental Conditions (RECs) and make informed decisions.

Phase II Investigations
ERG has performed Phase II site investigations across the United States to assist our clients and identify potential environmental liabilities.

Site Characterization

Site preparation and remedial action services including remediation technology evaluation and implementation.

Feasibility Studies, Remedial Action Plans, Corrective Action Plans.

Assessment of Human Health and Environmental Risks.

Site Mitigation Planning.


Expert testimony and third party reviews in cases of hazardous waste releases (soil, groundwater and air).

Underground Storage Tank Cleanup Fund Compliance.

ERG has developed relationships with Federal, State and Local regulatory agencies allowing us to provide our clients with technical expertise and streamlined processes for permit negotiating, obtaining legal agreements, reporting, and compliance.

ERG has fostered relationships with fellow environmental professionals, subcontractors, consultants and lawyers allowing us to offer our clients the very best in project management services.