Smart Strategies for Sustainable Progress

Vertex has extensive experience implementing risk based approaches for contaminated sites. These approaches are built on the risk assessment paradigm, which recognizes that risk from chemical contamination exists only when three elements are present together, a toxic substance, a receptor, and an active exposure pathway. By focusing on how these elements interact at a specific location, Vertex helps clients manage contamination efficiently while maintaining a high standard of protection for human health and the environment.

 

Our risk based services are organized into three primary pathways that support flexible, cost effective site management:

  1. Modifying generic remediation guidelines by removing exposure pathways or receptors that are not active at a specific site
  2. Adjusting generic remediation guidelines using site specific values for parameters such as soil bulk density and fraction organic carbon
  3. Developing site specific remediation guidelines through quantitative environmental risk assessment

These methods allow Vertex to tailor remediation requirements to the actual conditions at a site. This results in guidelines that are often less stringent, meaning higher allowable concentrations compared to generic requirements. Clients can reduce effort and cost while still meeting the same level of human health and environmental protection.

Vertex supports these risk based approaches with clear documentation, data driven analysis, and defensible reporting to help clients maintain compliance and move projects forward with confidence.

Case Studies

Commercial Development – Site Assessment and Remediation Project

Objective
Client was seeking reclamation certificates (four in total given the complexity of the site) on a former gravel quarry for a future residential neighborhood in large western Canadian urban centre.

Land Redevelopment – Risk Management and Remediation Program

Objective
Vertex was engaged by a Land Developer to review Environmental Concerns associated with a 500+ acre package of land in Calgary prior to development. Work was completed under the direction of Indigenous Services Canada.

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