Trusted Designated Substance Survey
Services in Ontario
Professional designated substance surveys, sampling, and reporting for homes, businesses, construction projects, and real estate due diligence.
Why Designated Substance Surveys Matter
Before renovations, demolition, or major projects begin, Ontario law requires that designated substances be identified and documented. A Designated Substance Survey (DSS) provides a detailed inventory of regulated hazardous materials that may be present in building materials or on site, so that contractors, employers, and property owners can take proper safety measures.
Designated substances include materials such as asbestos, lead, silica, mercury, benzene, and others that are regulated under the Occupational Health and Safety Act because of their potential to harm workers and occupants.

A professional DSS helps ensure:
- Compliance with Ontario health and safety legislation
- Protection of workers, occupants, and contractors
- Clear documentation for project planning, real estate transactions, and insurance
- Confidence and efficiency before construction or demolition begins
Our Designated Substance Survey Services
Visual Site Inspection & Walk-Through Survey
Material Sampling & Laboratory Analysis
Detailed Reporting & Recommendations
Hazardous Materials Inventory
Who We Serve

We provide designated substance survey services for:
- Homeowners & Renovators – for safe upgrades and pre-renovation planning
- Contractors & Builders – to manage risk before construction or demolition
- Real Estate Professionals – due diligence for property transactions
- Property Managers & Facility Owners – ongoing environmental compliance
- Insurance & Restoration Firms – documentation to support claims and projects
Why Choose Us
Experienced Professionals
Our team brings extensive experience in environmental surveying and hazardous material assessment, giving you accurate, defensible results.
Clear Communication
We deliver understandable reports quickly and explain what the findings mean for your project.
Independent & Unbiased
Our assessments focus solely on accurate identification and reporting — we do not sell remediation services — so you get neutral, actionable information.
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Areas We Serve

We provide designated substance survey services throughout Ontario. If you’re not sure whether your area is covered, reach out and we’ll be happy to confirm.
Serving Clients in:
Aylmer, Amherstburg, Blenheim, Chatham-Kent, Dresden, Essex, Glencoe, Kingsville, Leamington, London, Petrolia, Ridgetown, Rodney, Sarnia, Tilbury, Wallaceburg, West Lorne, Wheatley, Windsor and surrounding areas.
