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Environmental Studies and Assessments

Environmental Site AssessmentsEnvironmental Site Assessments

DST has conducted numerous Phase I/II/III Environmental Site Assessments across Canada. A Phase I Environmental Site Assessment consists of a review of historical reports and records, interviews, a site reconnaissance, and other research to identify potential or existing environmental contamination liabilities.

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Monitoring Well Installations & DecommissioningMonitoring Well Installations & Decommissioning

DST owns a fully operational fleet of various drilling equipment used to complete boreholes and install groundwater monitoring wells for the purposes of environmental and geotechnical studies. Drillers are licensed by the Ontario Ministry of the Environment as well drillers.

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Record of Site ConditionRecord of Site Condition

DST has extensive experience with the revitalization of contaminated sites to assist redevelopment of brownfield properties, land rezoning or property transfers. Following the assessment or cleanup of a contaminated site, DST can prepare a Record of Site Condition (RSC) which meets legislative and liability requirements, including posting the RSC to the public registry.

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Environmental Impact Assessments and Environmental AssessmentsEnvironmental Impact Assessments and Environmental Assessments

DST has prepared over a hundred environmental impact assessments and environmental assessments for projects across Canada. We prepare Municipal Class Environmental Assessments, Provincial Class Environmental Assessments, Canadian Environmental Assessments (CEAA), and Environmental Impact Assessments.

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Community Events

2019 CEO Award: Award of Merit, Project Management

DST is proud to share that we have won the Consulting Engineers of Ontario Award of Merit in the Project Management category for geotechnical and instrumentation services provided to New…


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Wake the Giant in Thunder Bay

The aim of Wake The Giant is to form stronger bonds, relationships and understanding between Indigenous and non-Indigenous communities in Thunder Bay and surrounding area. Displaying this symbol outside of…


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Marketing Intern Farewell

For those of you at DST who I have not met, I am sorry that our paths never crossed. I have been working every Friday out of the Thunder Bay…


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DST at Algonquin College

On April 3rd, DST Consulting Engineers attended the Algonquin College  Professional Networking Event in Ottawa. The event gave students an opportunity to connect with environmental professionals and industry leaders from…


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Environmental Design with Youth Fusion

This past week, DST’s Kris Tuuttila has continued his mentorship through Youth Fusion/Fusion Jeunesse. As an environmental design mentor, Kris has provided guidance to students at Ogden Community Public School…


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Blasting Videos

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Our qualified blasting engineers design more than just rock-cuts and mines. They take down structures! Reinforced concrete buildings, smokestacks, steel tanks…

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