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What is an environmental site assessment (ESA) in the context of Alberta real estate?

Correct Answer

B) An investigation for potential contamination on a property, often required for commercial and industrial land

An environmental site assessment (ESA) is an investigation to identify potential or existing environmental contamination on a property. In Alberta, with its significant oil and gas activity, ESAs are particularly important for commercial, industrial, and some rural properties. Phase I involves a records review and site inspection, while Phase II involves soil and groundwater testing.

Answer Options
A
An assessment of the property's energy efficiency, required before homes with oil or gas heating can be sold
B
An investigation for potential contamination on a property, often required for commercial and industrial land
C
A survey of wildlife habitats on the property, used to decide whether development would disturb species
D
An assessment of the property's flood risk only, since flooding is the main environmental hazard in Alberta

Why This Is the Correct Answer

An ESA investigates potential or existing environmental contamination on a property. Phase I involves historical records review, site reconnaissance, and interviews to identify potential contamination sources. Phase II involves physical sampling of soil and groundwater. In Alberta, ESAs are particularly important due to extensive oil and gas activity that may have contaminated commercial, industrial, and rural properties.

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Key Terms

environmental site assessmentPhase IPhase IIcontamination investigation
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