Environmental Site Assessment is the study of a property to identify potential or existing environmental contamination or liabilities. A Phase I ESA report is usually prepared for real estate holdings, developers and financial institutions.
An E-designation relating to air, noise or hazardous material prevents any new construction to occur, and building permit(s) are not approved until the environmental requirements can be satisfied.
Vapor Intrusion refers to the process by which volatile chemicals move from a subsurface source into the indoor air of overlying or adjacent buildings.