Give unwanted soils a second chance!

We are a band of passionate people dedicated to offering our clients the environmental assessment expertise they need as well as take full responsibility for the treatment of soils polluted by organic and inorganic contaminants (metals). Once we have completed the treatment process and segragated by granulometry, we strive to create value through product development of recycled materials.

Our vision is to become an important player in the treatment and the transformation of contaminated soils, thanks to the deployment of high-performance fixed and mobile treatment units.

- Marie Josée Lamothe, President

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Our Expertise

Whether the issue is assessment/identification, treatment, removal, the answer is often “yes, we can”. We support our clients in the management of contaminated soils.

Types of permitted contaminants

Contamination range (QC standards):

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Organic

Petroleum hydrocarbons

Petroleum-based contaminants containing between 10 and 50 carbons (C₁₀− C₅₀).

Volatile organic compounds (VOC)

All 9 monocyclic aromatic hydrocarbons (MAH) identified in (Annex 2) of the MELCC intervention guide.
All 15 chlorinated aromatic hydrocarbons identified in (Annex 2) of the MELCC intervention guide.

Phenolic compounds

All 22 chlorinated and non-chlorinated compounds identified in (Annex 2) of the MELCC intervention guide.

Polycyclic aromatic hydrocarbons (PAH)

All 22 polycyclic aromatic hydrocarbons (PAH) identified in (Annex 2) of the MELCC intervention guide.

Inorganic

Alkali metals

Potassium (K)
Sodium (Na)

Alkaline earth metals

Calcium (Ca)
Magnesium (Mg)
Strontium (Sr)

Transition metals

Silver (Ag)
Cadmium (Cd)
Cobalt (Co)
Chromium (Cr)
Copper (Cu)
Iridium (Ir)
Manganese (Mn)
Nickel (Ni)
Scandium (Sc)
Titanium (Ti)
Platinum (Pt)
Tantalum (Ta)
Vanadium (V)
Zinc (Zn)

Post transitional metals

Aluminium (Al)
Gallium (Ga)
Indium (In)
Lead (Pb)
Tin (Sn)
Thallium (Tl)

Metaloids

Arsenic (As)
Antimony (Sb)

Exclusively accepted for treatment

By mobile unit

For the treatment of the following contaminants, Northex establishes a unique treatment plan for each site, these include:

Polychlorinated biphenyls (PCB)

Treatment of PCB contaminated soil is possible. A physicochemical characterization of the contaminant in our laboratories will be necessary in order to establish a treatment plan. Contact us for more information.

Cyanide (CN^-)

Treatment of soil contaminated with cyanide is possible. A site characterization study will be necessary in order to formulate a treatment plan focused on the specifics of the site and the contaminant. Contact us for more information.

Dioxins & Furans

The treatment of soil contaminated with dioxins and furans depends on the nature of the contamination. Contact us for more information.

Mercury (Hg)

Like cyanide, treatment of soils contaminated with mercury is possible. A site characterization study will be necessary in order to formulate a treatment plan. Contact us for more information.