Sanexen services

Risk assessment is a process used to evaluate the risks associated with contamination, either accidental or resulting from day-to-day activities that may be harmful to human health and the environment.Sanexen has the expertise and several state-of-the-art tools (exposure and risk assessment software) required to provide a variety of environmental risk management services. Our team also works closely with the Site Remediation Department to provide optimal solutions for any situation.

At the start of the new millennium, Sanexen developed a new water system rehabilitation process that uses a trenchless method. This process is intended for cities and industries experiencing a need for significant maintenance work when the drinking water supply system has reached the end of its useful life.The process, called AQUA-PIPE, was developed by Sanexen‘s team of engineers. This technology eliminates the need for complete excavation of road foundations, followed by replacement, by using the existing water pipe to build a new one. This innovative method translates to water system rehabilitation at a distinctly lower cost.

Environmental decontamination in buildings requires a thorough knowledge of characterization methods as well as decontamination processes that can be used on various matter such as concrete, wood and metallic finishes. Sanexen has carried out numerous decontamination projects, for both Canadian companies and government organizations, involving waste segregation, the use of innovative clean-up procedures, dismantling contaminated equipment and off-site management of recyclable materials and waste.

Sanexen designs, builds and operates treatment units for ground, runoff, wash and process water. They possess several mobile units capable of functioning at flow rates varying from 20 to 5,000 L/min. ULTRASORPTION, developed by Sanexen, who holds exclusive rights to this recognized process, enables the removal of toxic organic compounds (including PAHs, PCPs, PCBs, PCDDs and PCDFs) from water. Since 1985, this process has been used successfully in a wide variety of projects to treat millions of litres of contaminated water.

Sanexen also manages turnkey-type remediation projects for its clients. This approach facilitates project planning eliminating uncertainties during diverse remediation. Our professionals are able to assist clients in all phases of project analysis and to implement remediation strategies that attain the desired technical objectives while taking into account the most advantageous cost/benefit factors.

Sanexen uses biopile technology to reduce hydrocarbon concentrations in excavated soil. More than 1,000,000 metric tonnes of soils have been successfully treated using this method, at times in challenging conditions such as those in Northern Canada. Biopile technology has proven highly instrumental in achieving optimal cost-effectiveness.

Sanexen, a recognized leader in the area of toxicological risk assessment, has performed a large number of remediation projects on this basis. Multiple solutions for brownfields, urban fringes and industrial site redevelopment have thereby been devised, thus rendering large-scale residential development projects and recreational or commercial urban planning development economically viable.

Sanexen has conducted a large number of in situ remediation projects using several proven and innovative technologies. The following is a partial list of treatment processes used: Chemical oxidation of petroleum hydrocarbons. Elimination of gasoline by forced aeration (sparging), extraction of volatile compounds and catalytic oxidation. Injection of a bacterial consortium in coarse-grained soils contaminated by light hydrocarbons. Steam injection and multi-phase extraction to remove heavy fuel oil from fractured rock.

Sanexen conducts Phase I and II environmental site assessments on industrial, commercial and residential sites, and also provides environmental compliance verification (ECV) services. These types of studies are designed to create a portrait of the environmental situation for a specific site or activity at any given time.

Inventory of greenhouse gas (GHG) emissions adapted to the type of organization (industrial, institutional, municipal). Development of action plans aimed at reducing GHG emissions. Tracking and quantification of reductions in GHG emissions in order to obtain subsidies. Evaluation of the risks associated with climate change and GHG management.