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Phase I Environmental Site Assessment (ESA) in Canada

Partner Assessment Corp provides Phase I Environmental Site Assessments (ESAs) throughout Canada to support real estate transactions, financing, and risk management.

Our assessments help identify potential environmental contamination risks that could impact property value, liability, or redevelopment plans.

What Is a Phase I ESA?

A Phase I Environmental Site Assessment is a non-intrusive environmental due diligence review conducted in accordance with CSA Z768-01 (R2022) or ASTM E1527 standards, as required by Canadian lenders and investors.

A Phase I ESA typically includes:

  • Historical land-use review
  • Site inspection for environmental risk indicators
  • Review of regulatory databases and records
  • Interviews with owners or site representatives
  • Identification of Potential or Actual Environmental Concerns (PEC/AEC)

Why Partner for Phase I ESAs?

Partner Assessment Corporation is a trusted leader in environmental due diligence for the commercial real estate industry across Canada and North America. With extensive experience conducting Phase I Environmental Site Assessments, Partner delivers thorough, standards-compliant reports designed to identify environmental risk and support informed decision-making. Backed by a responsive, scalable team operating from 40 offices throughout Canada and across North America, Partner combines local market insight with international expertise to help clients manage liability, meet transaction timelines, and move forward with confidence.

Why Phase I ESAs Matter in Canada

Phase I ESAs are commonly required for:

  • Property acquisitions and dispositions
  • Commercial mortgage financing
  • Portfolio risk management
  • Redevelopment and land use change

They help reduce exposure to environmental liabilities under provincial and federal regulations.

Next Steps

If concerns are identified, we can support Phase II ESAs, remediation planning, and environmental risk management strategies across Canada.

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