Designated Substance Surveys (DSS)
Clear, practical surveys to support safe renovation, demolition, and regulatory compliance.

Clear, practical surveys to support safe renovation, demolition, and regulatory compliance.

Designated Substance Surveys are conducted in buildings where construction, renovation, or demolition is planned and regulatory clarity is required before work proceeds.
Typical settings include:
Commercial and industrial buildings
Institutional and public-sector facilities
Older properties with limited documentation
Facilities undergoing phased renovations
Sites preparing for tender or permit submission
Surveys are planned to provide usable information without unnecessary disruption.
Acrylonitrile · Arsenic · Asbestos · Benzene · Coke oven emissions · Ethylene oxide · Isocyanates · Lead · Mercury · Silica · Vinyl chloride
Available drawings, records, and project scope are reviewed to define survey requirements.
Walk the space and map suspect materials and areas of concern based on use and condition.
Screen for all Ontario designated substances and flag where each may reasonably be present.
Collect samples only where confirmation is needed to support planning, tendering, or compliance.
Compile findings into a clear, organized record tied to locations, materials, and assumptions.
Provide a practical report with recommendations that supports next steps and decision-making.


Designated Substance Surveys are conducted in accordance with applicable regulations, including OHSA and recognized industry guidance.
Reports are prepared to be:
clear
defensible
usable by owners, consultants, and contractors
