Phase I ESA involves a complete history (back to at least 1940 per the ASTM Standard) of the site with respect to past uses and/or development. Historical uses of the subject property may have created recognized environmental conditions which can be detrimental to the property.


DeLisle is experienced in all aspects of Environmental Liability. We can help you buy or sell contaminated property or a Brownfield site without getting lost in the complex system of liability laws. By preparing a Baseline Environmental Assessment (BEA), you can purchase a contaminated piece of property without taking on responsibility for the clean-up. This protection is available to both the public and private sector. DeLisle can also help local units of government apply for and obtain government grants for investigating and cleaning abandoned industrial and commercial sites (Brownfields).


DeLisle has established a solid reputation for managing both routine and sensitive projects with rapid, thorough characterization of the subsurface using both conventional and innovative technologies.


The Environmental Protection Agency (EPA) defines the term "brown field site" as real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant.  It is estimated that there are more than 450,000 brown fields in the U.S. Cleaning up and reinvesting in these properties increases local tax bases, facilitates job growth, utilizes existing infrastructure, takes development pressures off of undeveloped, open land, and both improves and protects the environment.

DeLisle is committed to providing professional consulting services to assist all entities involved in the clean-up and gentrification of properties under this program.  We routinely conduct environmental site assessments, soil and groundwater investigations and where necessary, remedial design and implementation to mitigate existing property hazards


Environmental Site Assessment flow chart (pdf)

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