Stage 1 Preliminary Site Investigation
The team of trained experts at Sage Environmental provide high quality technical expertise, advice, and support to our clients as part of Stage 1 / Phase I Investigations.
Stage 1 Preliminary Site Investigation (PSI)
Stage 1 Preliminary Site Investigation (PSI): Also referred to as a Phase 1 Environmental Site Assessment (ESA) is a method used to assist in determining potential environmental liabilities due to contamination on a site or property. This process involves a detailed review of land uses and history including a site visit, record searches, personal interviews and the evaluation of related information and reporting. This information is compiled and used to determine the potential of impact on a site due to contamination. Our reporting will provide conclusions and recommendations whether further investigations if warranted, such as a Stage 2 PSI / Phase II ESA.
A Stage 1 PSI / Phase I ESA May Be Used To:
- Meet a regulatory request, order or direction
- Provide a liability assessment prior to an acquisition or divestiture of a property or site
- Provide a due diligence measure in support of a real estate or financing agreement
- Provide baseline liability assessment prior to tenancy of a site
- Provide a due diligence measure for compliance in corporate stewardship
What Is A Phase I Environmental Assessment?
A Phase I ESA is primarily a desktop review accompanied by a site visit that will assess the current and historical uses of a property and the surrounding area…
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By Kristen Cockburn – PAg. Making a shortlist of Potential Contaminants When completing an Phase I Environmental Site Assessment or Stage 1 Preliminary Site Investigation, we review the current and historical land uses of the Site, to identify the potential for...
Phase II Environmental Site Assessment and Stage 2 Preliminary Site Investigation that identify contamination often recommend a Detailed Site Investigations (DSI). A DSI finds the extents of contamination to quantify impacts to soil, groundwater and soil vapour. The details on contaminant type, severity and amount will inform further remediation or risk assessment options. A DSI may include off-Site investigations if contamination has moved past the Site boundaries. A DSI is required prior to remediation for any type of permit release or Certification Document from the Ministry of Environment (BC ENV).
Schedule 2 uses are land uses or operations that are associated with a higher likelihood of potential impacts to soil, water and soil vapour. Common examples of Schedule 2 uses are gas stations, dry cleaners, and automotive repair. An identified Schedule 2 use does not mean that a property is contaminated. It does mean assessment is likely to be requested by the Ministry of Environment (BC ENV) prior to potential development, subdivision or change in zoning.
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