What Is Environmental Risk Assessment?

Despite their best efforts to ensure that their properties are clean and free from environmental impacts, land owners occasionally find (through a Phase II ESA) that their property has some kind of contamination in the soil or groundwater. Their property is no longer compliant with O. Reg. 153 and they have environmental liability that needs to be managed….

Understanding a CSM – The Basics in Ontario

When managing a site in Ontario, it is essential to understand Ontario Regulation 153/04 and the environmental due diligence it requires.

A Conceptual Site Model (CSM) is one of the requirements that shapes the Environmental Site Assessment (ESA) process (both Phase I and II) and is required for a Record of Site Condition (RSC). …

Understanding A CSM – Finding Data Gaps

When preparing a Record of Site Condition under O.Reg. 153/04, the investigative team must create a conceptual site model, or a CSM. The CSM clearly articulates the project team’s (including Qualified Person, project engineers, field scientists, and others) understanding of…