Category: Case Studies
GC/MS Testing for VOC’s On-Site at a Commercial Warehouse
A large commercial warehouse located within the greater Toronto area had several locations with VOC contamination in the underlying soil. The VOCs needed to be remediated, but it was unknown how deep or widespread the contamination was, requiring the VOC impacted areas to be delineated. Soil boreholes were drilled and sampled within the building footprint;...
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Industrial Pier Baseline Case Study, Southern Ontario
Introduction This case study considers a federal property located in Southern Ontario, consisting of multiple industrial piers used for cargo shipping, handling, and storage. AEL was retained to conduct Phase One and Phase Two Environmental Site Assessments (ESAs) on three of the piers in support of an upcoming lease of the property. A Limited Phase...
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Decommissioning a Microwave Satellite Communication Station
Executive Summary AEL completed a Phase Two Environmental Site Assessment (ESA) and a full-depth, remedial excavation program at a remote, decommissioned microwave tower facility in Northern Ontario. The goal of the project was the restoration and return of the land leased to the client by the local First Nation community.  Prior investigation had identified soil...
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VOR Station Remediation
Executive Summary The goal of this project was to supplement data from a past investigation revealing soil contamination on an industrial site. Prior to our involvement, previous consultants had conducted initial remediation programs and discovered copper-impacted soil in excess of guidelines. We were later brought on board to further delineate contamination at the site and...
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Innovations in Environmental Site Remediation Over the Past 25 Years
Over the past 25 years, there have been a considerable number of environmental innovations  in environmental site remediation. These progressive changes are reflected in the adaptations of applicable regulatory standards and industry best practices. What was once deemed acceptable procedure at the turn of the century is not necessarily in the best interests of the...
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Bioremediation Case Study
Project Location: Ontario, Canada Former Trucking Distribution and Service Centre AEL was retained to conduct a Phase 1 and 2 Environmental Site Assessment (ESA) at a former transport truck repair and maintenance property (“the Site”), situated in a residential area. Historically, the Site had been used as a truck marshalling yard, for refuelling, and as...
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Multiple Sites, Hydro Company, Ontario
Executive Summary The goal of this project was to conduct environmental screening assessments at multiple transformer-housing electrical distribution sites for environmental due diligence. In particular, the client wished to compare site soils to Ontario Regulation 153/04 site standards to evaluate potential site value. Knowing this information would help the client to form a decision regarding...
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How Is Chemical Remediation Accomplished?
This was a recent site which AEL worked on, which was contaminated after a fuel tank leaked on the property. A chemical remediation was best suited for the site.  This photo shows the excavator beginning to dig a hole for remediation trench.  The hole would be approximately 5 m x 5 m down to groundwater,...
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Clean Fill Stockpile Sampling
AEL environment is routinely tasked with finding clean fill for our existing projects. Since 2021, standards developed by the Ministry of the Environment, Conservation and Parks  (MECP) in Ontario (O.Reg. 406/19) require soil transferred from one site to another to meet the receiving Site standards to be considered acceptable “clean” fill. In May 2015, AEL...
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Remote Demolition and Abatement Project – Resolute Bay, Nunavut
AEL completed a major abatement project of a flight services station in Canada’s Far North. A logistically challenging endeavour, AEL was proud to be part of a highly capable team to manage this work. The project was completed over 3 seasons due to the harsh climate of the region. Background: AEL was retained to manage...
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