Contaminant Remediation Engineering


Many locations have been contaminated by past activities, including both intentional and accidental releases of chemicals and toxic wastes. These sites require investigation to characterize the concentrations and locations of contaminants in the soil and groundwater, a risk assessment to estimate the health hazards of the contamination to humans and the ecosystem, and strategies to clean-up the site and return it to safe utilization

Contaminant RemediationContaminant remediation is the treatment and removal of contamination from soil, groundwater, and other media. Remediation specialists design and implement remedial action plans to clean up sites affected by substances such as automotive fuels, pesticides, and heavy metals. They select the most appropriate remedial techniques or processes for each project while adhering to federal and provincial environmental regulations. Remediation specialists may also work in conjunction with site assessors to determine the extent and type of contamination present at disturbed sites.

Keystone Environmental’s professional engineers have decades of experience in evaluation of remediation options, including in-situ and ex-situ physical, chemical and biological processes, risk management engineering controls, and complex modelling of contaminant fate and transport, as well as site-specific hydrological modelling. This experience, combined with expertise in the design, tendering, construction management, and operation of treatment systems, enables our engineering team to complement our Contaminated Sites specialists providing full services from initial investigations through remediation and regulatory approval of closure.

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