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Contaminated Sites

Site Remediation Technologies Remediation (Soils, Groundwater, Sediment)

Our environmental engineers have extensive experience with the design and implementation of remediation programs to address soil, groundwater, surface water and sediment contamination.

DST’s Site Remediation Services include: …

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Deconstruction, Demolition Consulting & Site DecommissioningDeconstruction, Demolition Consulting & Site Decommissioning

DST provides engineering and environmental services for small to large scale demolition and decommissioning projects. Our focus is to implement a more sustainable process of Green Deconstruction to maximize diversion of construction and demolition waste from landfills.

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Groundwater & Surface Water AssessmentsGroundwater & Surface Water Assessments

Groundwater and surface water quality studies are conducted for our clients to meet a variety of project objectives including federal and provincial compliance with environmental site assessment regulations, remediation of contaminated sites, requirements for risk assessments, landfill monitoring,

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GIS & Cartography ServicesGIS & Cartography Services

DST provides Geographic Information System (GIS) and Cartography Services to support environmental and geotechnical projects. The GIS section provides a variety of services including Project Location, Site Plan, Excavation Limits and Conceptual Site Models using standard Cartography practices.

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Sediment & Erosion Controls Sediment & Erosion Controls

DST provides sediment and erosion control (SEC) services to clients from various sectors including government, municipal, and construction including railway development and mining. DST has a highly skilled and experienced team of engineers, scientists, and technicians who provide high quality services for the design,

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Community Events

Federal Contaminated Sites National Workshop ̵...

Real Property Institute of Canada – Federal Contaminated Sites National Workshop The RPIC Federal Contaminated Sites National Workshop is the leading professional development workshop for federal and industry environmental professionals…


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Backpack Electrofishing Certification

DST’s Biologists Antonio Trogrlic, Jody Hereema and Michaela Haring attended Backpack Electrofishing Class 2 certification this May as part of the Natural Channels Systems Conference held at the University of…


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DST Sudbury hits the links for the OIAA Northern C...

What a tee-rific day for golfing!   Our DST Sudbury office participated in the annual OIAA Northern Chapter Golf Tournament on May 24.   The weather was warm and the…


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Welcome to Spring!

Our Thunder Bay team participated in the local Spring Up To Clean Up campaign hosted by EcoSuperior.   The City of Thunder Bay has sponsored this community-wide litter clean-up in…


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Booth Street Asbestos Risk Evaluation

Booth Street in Ottawa is home to a Government of Canada building complex. Recently during renovations at this complex, one of the buildings underwent an emergency shutdown and evacuation because…


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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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