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A wide range of building materials can be hazardous to human health and/or the environment. The purpose of a Hazardous Materials Assessment, also referred to as Designated Substance Survey, is to identify substances at a property that could pose a threat to occupants and/or workers health and safety during renovation or demolition project; and in conjunction meeting local compliance regulations.

The most common hazardous materials encountered at a site include asbestos, lead (painted surfaces, batteries, etc.), mercury (thermostats, fluorescent light tubes, etc.), PCBs, mould growth, ozone-depleting substances, and various chemical products.


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