Taggart (City Centre) Ltd - Certificate of property use

A risk assessment was undertaken for the property at 158 and 160 Spruce Street, Ottawa to establish the risks that the contaminants identified in the risk assessment may pose to future users and to identify appropriate risk management measures to be implemented to ensure that the property is suitable for the intended use of Commercial and Residential as defined by O. Reg. 153/04.

Based on the documents provided to the ministry as part of the risk assessment report, the reviewers can confirm that the risk assessment has been conducted in accordance with the Environmental Protection Act (the act), Ontario Regulation 153/04 (the regulation), and the associated guidance documents.

The risk assessment (7686-CTLK7E) for 158 and 160 Spruce Street, Ottawa, was accepted by the ministry on September 8, 2025.

The risk management measures required by the CPU include:

• providing a surface cap where there are contaminants of concern
• restrictions on the construction of any building(s)
• installation of a soil vapour mitigation system in any building constructed on the property
• developing and implementing a soil and groundwater management plan for any future activities that may involve contact with or exposing property soils and/or groundwater that are contaminated with contaminants of concern
• developing and implementing a health and safety plan for any future activities that may involve contact with or exposing property soils that are contaminated with contaminants of concern
• not using the groundwater as a potable water supply

The CPU also requires that a certificate be registered on the property title and that before dealing with the property in any way, a copy of the CPU be given to any person who will acquire an interest in the property.