Ontario · CSA Z768 & O.Reg. 153/04

Phase 1 Environmental Site Assessment in Cambridge

Ben Engineering offers Phase 1 Environmental Site Assessment (ESA) consulting in Cambridge, Ontario — backed by over 30 years of environmental consulting experience under the CSA Z768 Standard and O.Reg. 153/04.

Request a Quote See Phase 2 ESA

Standard: CSA Z768financing & due diligence
Regulation: O.Reg. 153/04RSC, rezoning, permits
Prepared by: Licensed P.Eng & P.Geo30+ years experience
Service area: Cambridge, ONand Southwestern Ontario

What is a Phase 1 Environmental Site Assessment?

A Phase 1 ESA is a non-intrusive investigation to identify potential environmental contamination risks on a property. No soil sampling or laboratory testing is conducted at this stage.

See our Phase 2 ESA page for more. In Ontario, the CSA Standard applies to real estate due diligence and financing; O.Reg. 153/04 applies to rezoning, building permits, or filing a Record of Site Condition.

Industrial and Commercial Context in Cambridge

Cambridge's industrial heritage runs through Preston and Hespeler along the Grand and Speed Rivers, where former textile and manufacturing sites continue to be redeveloped, alongside active manufacturing areas near Franklin Boulevard and Eagle Street.

Multi-Residential Development in Cambridge

The Hespeler Road corridor is the city's dominant commercial and multi-residential spine, anchored by Cambridge Centre, with apartment and condominium buildings concentrated in Preston Centre, Galt City Centre, and Hespeler Village. Properties near these commercial and industrial corridors are the ones most likely to require environmental due diligence before financing, redevelopment, or a change of use.

Why This Matters for Properties in Cambridge

A proposal to rezone a former Hespeler furniture factory site at 130 Guelph Avenue for a six-storey, 112-unit apartment building illustrates the pattern in Cambridge: aging industrial sites in Preston and Hespeler being converted to residential use, a process that required a two-phase environmental assessment and remediation plan for roughly 200 tonnes of contaminated soil.

How a Phase 1 ESA Is Actually Carried Out

Interviews are conducted with the current property owner or operator, and where possible with previous owners or long-term employees, to capture institutional knowledge of past spills, storage practices, or waste handling that may not appear in the written record.

The historical records review typically draws on fire insurance plans, aerial photographs spanning several decades, and prior environmental reports where available, cross-referenced against the property's chain of title to identify past uses that might not be apparent from a site visit alone.

Environmental Site Assessment — Overview

Nearby areas we serve

Also servicing the surrounding region

Phase 1 ESAs by area

We work across Ontario, generally within 500 km of our Vaughan head office. Each area has its own page.