York Region · Ontario
Phase 1 Environmental Site Assessments in Thornhill
Our Phase 1 Environmental Site Assessment work in Thornhill follow CSA Z768-01 or O. Reg. 153/04, as the situation requires.
Phase 1 Environmental Site Assessments in Thornhill
For financing and transactions, CSA Z768-01 is the usual choice; O. Reg. 153/04 comes into play for RSC filings, rezonings and municipal applications.
In Thornhill, our Phase 1 ESA work covers by way of records review, site reconnaissance and interviews, entirely non-intrusive at this stage. Our Vaughan head office is based in Thornhill itself, which keeps site visits simple rather than a line item on the invoice.
Full detail on the process and what's in the report is on the Phase 1 ESA page.
A Phase 2 ESA follows when a concern is identified — see our Phase 2 ESA page for Thornhill.
When you need a Phase 1 ESA
Three situations that most often prompt one.
Nearby areas we serve
Our coverage runs across Ontario, typically within 500 km of Vaughan.
Common questions
Phase 1 Environmental Site Assessments in Thornhill
How long does a Phase 1 ESA take in Thornhill?
Typically two to four weeks from engagement, depending on how quickly historical records and site access can be arranged.
How much does a Phase 1 ESA cost in Thornhill?
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?
For financing and transactions, CSA Z768-01 is the usual choice; O. Reg. 153/04 comes into play for RSC filings, rezonings and municipal applications.
What happens if a concern is identified?
Any concern the review surfaces is usually followed by a recommendation for a Phase 2 ESA, where sampling can confirm what's actually there.
Need a Phase 1 ESA in Thornhill?
Tell us the address and what the report is for, and we'll confirm the applicable standard and reply with a fixed quote.