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Site Assessment

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Environmental Site Assessment (ESA), also known as Environmental Due Diligence, is the systematic process by which it is determined whether a particular property is or may be subject to contamination. In general, the ESA is conducted for the purpose of reducing the risks of unexpected or hidden environmental liabilities associated with the property.

The objectives of ESA are: to identify environmental impacts associated with a property and, if present, to characterize and delineate these impacts. Information and data generated during the ESA can then be used to develop remedial plans and related cost estimates.

Completion of a Phase I ESA and/or a Phase II ESA can be required for numerous reasons including refinancing, pre-acquisition, pre-divestiture, compliance, and more recently as support for a Record of Site Condition (RSC) required as part of a rezoning or development application.


​XCG has conducted over 5,000 Phase I ESA and Phase II ESA projects. XCG’s ESA projects are designed to provide our clients with a clear understanding of the potential current or future environmental liabilities associated with the subject property. Our investigation process is efficient, thorough, and cost-effective and all XCG investigations are completed by highly-skilled team members with experience in a wide range of site conditions.

​XCG follows recognized CSA and ASTM standards, as well as Ontario Regulation 153/04 requirements for conducting Phase I and Phase II ESAs. Our team is efficient, thorough and cost effective. XCG is recognized for our thoroughness and overall reliability of our reports. For this reason XCG is often asked to peer review previous ESAs completed by other consultants.

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