DS excels in providing practical solutions to complex environmental challenges encountered by our Clients. DS is capable of assisting you throughout the entire life of your project, from pre-purchase due diligence through to RSC and Excess Soil Management. DS has the knowledge and expertise to identify what your regulatory requirements may be at the municipal, provincial and federal levels, and provide technical recommendations to ensure your project stays on track.

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Due Diligence

Phase I ESA

Phase II ESA

Hazardous Materials and Designated Substances Survey

Due Diligence Risk Assessment

Design &

Approvals Stage

O.Reg. 153/04 Phase One & Two ESA

O.Reg. 153/04 Risk Assessment

Soil and Groundwater Remediation

Record of Site Condition

Environmental Compliance Approval (ECA)



Excess Soil and Fill Management Plans

Excess Soil Regulation Compliance (O.Reg. 406/19)

Underground Storage Tank Decommissioning