Step 2: Historical Review
For the historical review, gather all the historical and current information related to the site. Completion of this step should result in the identification of the Areas of Potential Environmental Concern (APEC) and associated uncertainties to inform subsequent investigations. Once the review is complete, initial testing can begin (Step 3).
How to Prepare
- Gather historical information from a variety of sources, including:
- aerial photographs;
- insurance maps and reports;
- property title searches;
- federal, provincial, territorial, and municipal archives;
- regulatory agency records;
- company records;
- topographic and geological maps;
- site plans and drawings.
- Identify fisheries in the area.
- Characterize fish habitat and the aquatic ecosystem on or near the site.
What to Do
- Conduct a site visit(s).
- Interview informed persons:
- Discussions should be held with key site personnel at both the subject site and surrounding lands.
- Conduct a Phase I Environmental Site Assessment (ESA).
How Fisheries and Oceans Canada (DFO) Expert Support Helps
- Provide available fish, fish habitat, aquatic ecosystem and fisheries background information relevant to the site.
- With respect to fish and fish habitat:
- identify information gaps;
- provide advice on information gathering (e.g., identify/provide relevant historical documents).
- Provide information on regulatory or advisory involvement.
- Participate in site visit(s).
- A Federal Approach to Contaminated Sites [PDF 276 KB]
- Phase I Environmental Site Assessment (ESA) Guidance
- Program Management Funding - Eligible Activities and Costs
- Projects Near Water - Self-Assessment: Does DFO need to review my project?
- Reviews and authorizations – Request for Review – Form and Guidance
- WAVES: DFO Library
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