service

Designated Substance Survey

Designates Substance Survey logo

What is a DSS?

  • Designated substances and other potential hazardous materials must be identified prior to engaging in any renovation or demolition activities that may potentially disturb these dangerous materials.
  • In order to properly dispose of hazardous materials and mitigate unnecessary exposure to workers and building occupants the DSS is performed.
  • The current list of designated substances recognized under the Ontario Ministry of Labour regulations include the following substances:

Services provided by Grande Environmental.

Pages