Contaminated Soil

A Contaminated Soil Isn’t Always Visible but It Can Stop Your Project

Hydrocarbons, heavy metals, solvents, chemicals… a property may conceal contaminants that pose risks to both human health and the environment. Our soil analyses identify the nature and extent of contamination, helping you make informed, compliant decisions.

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Recognized Expertise

Over 500 soil analyses completed

Collaboration with real estate developers, municipalities, and institutions

A trusted partner for site transactions and rehabilitation projects

When Should Soil Be Tested?
What Contaminants Are Found in Soil?
How Does a Contaminated Soil Analysis Work?
Case Study: Decommissioned Gas Station

When Should Soil Be Tested?

  • During a real estate transaction (purchase or sale of land)
  • Before construction, expansion, or rehabilitation work
  • After accidental spills of petroleum or chemical products
  • When unusual odours or visible traces appear in the soil

In Quebec, the Regulation Respecting the Protection and Rehabilitation of Contaminated Lands (RPRT) requires Phase I and Phase II environmental studies in many situations. Failing to assess contaminated soil can delay a project, lead to unexpected costs, and expose you to legal liability.

What We Guarantee

Full compliance with Quebec regulatory requirements

Recognized, accredited scientific methods

Timely delivery to prevent project delays

Clear, simplified reports suitable for submission to authorities

Your Questions,
Answered

What Are the Signs of Contaminated Soil?

Contaminated soil may emit hydrocarbon odours, show abnormal staining, or support declining vegetation. However, contamination is often invisible, and only laboratory analysis can confirm its presence.

When Is a Soil Study Mandatory?

A soil analysis is required in certain real estate transactions, construction projects, or when contamination is suspected (e.g., former oil tanks). In Quebec, the RPRT strictly governs these requirements.

How Much Does a Soil Analysis Cost in Quebec?

The cost of soil analysis in Quebec varies depending on several factors, including the type of study required (Phase I, II, or III), site size, historical land use, number of samples, and analytical complexity. A preliminary assessment allows us to determine scope and provide a cost estimate aligned with regulatory requirements and project objectives.

What Should I Do If My Soil Is Contaminated?

If contamination is confirmed, a rehabilitation plan must be implemented, which may include soil excavation, treatment, or containment. Groupe SolAirEau provides MELCCFP-recognized reports, essential for approving and overseeing remediation work.
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