A Phase I Environmental Site Assessment, commonly referred to as an ESA, or Phase I ESA, is
completed to research the current and historical uses of a property as part of a commercial real
estate transaction. The intent of the report is to assess if current or historical property uses
have impacted the soil or groundwater beneath the property and could pose a threat to the
environment and/or human health. If these issues are found, it presents a potential liability for
the lender and/or owner, as well as affecting the value of the property. A Phase I ESA
completed prior to the closure of a real estate transaction can be used to avoid potential liability
(by satisfying the requirements of Comprehensive Environmental Response, Compensation and
Liability Act, CERCLA).
Grimes and Associates has conducted numerous Environmental Site Assessments following the
current standards as outlined by ASTM International.