Durham Region · Ontario
Phase 1 Environmental Site Assessments in Oshawa
Oshawa properties are assessed here under a Phase 1 ESA that are prepared to CSA Z768-01 or O. Reg. 153/04, whichever the purpose calls for.
Phase 1 Environmental Site Assessments in Oshawa
Financing and transaction work generally uses CSA Z768-01; O. Reg. 153/04 is required where a Record of Site Condition, rezoning or permit is involved.
Oshawa properties come to us for Phase 1 Environmental Site Assessments to identify potential contamination through a records review, a site visit and interviews — without any sampling. Site attendance is routine rather than a special trip, with our Vaughan head office roughly 46 km away.
The Phase 1 ESA page covers the full process and what the report contains.
A Phase 2 ESA follows when a concern is identified — see our Phase 2 ESA page for Oshawa.
When you need a Phase 1 ESA
Three situations that most often prompt one.
Nearby areas we serve
Ontario is our territory, generally staying within 500 km of the Vaughan head office.
Common questions
Phase 1 Environmental Site Assessments in Oshawa
How long does a Phase 1 ESA take in Oshawa?
Two to four weeks is typical, depending on record availability and how soon we can get on site.
How much does a Phase 1 ESA cost in Oshawa?
Cost varies with property size, history and how much record research is needed. We fix the price to a defined scope up front.
Which standard applies?
Financing and transaction work generally uses CSA Z768-01; O. Reg. 153/04 is required where a Record of Site Condition, rezoning or permit is involved.
What happens if a concern is identified?
A flagged concern typically leads to a recommendation for a Phase 2 ESA, which brings in actual sampling to confirm or rule it out.
Need a Phase 1 ESA in Oshawa?
Send the address and what it's for, and we'll confirm the standard and reply with a fixed quote.