Contaminated Soil / Environmental assessment

STUDY OF CONTAMINATED SITE

SolAirEau Group conducts environmental site assessments and site characterization (Phase I, II and III) in accordance with the principles of CSA Z768-01 (the Canadian Standards Association) and the recommendations of Land Characterization Guide of the Ministry of Sustainable Development, Environment and the Fight Against Climate Change of Quebec  (MDDELCC). Sampling is done according to the recommendations of the Sampling Guides for Environmental Analysis and the Contaminated Sites Protection and Remediation Policy.

Environmental Site Assessment - Phase I

The purpose of this study is to assess and determine potential or actual sources of contamination that may have affected the environmental condition of a given site. It is an
essential step in the process of an environmental assessment of any site.

Steps to follow

  • Site Inspection
  • Request for access to information from the authorities
  • Consultation of titles at the Registry Office
  • Search for fire insurance plans
  • Study of aerial photographs
  • Interviews around the site
  • Examination of geological and hydrogeological maps
  • Identification of risk activities
  • Report writing with recommendations

Environmental Site Characterization - Phase II

This step is to characterize in greater detail the environmental condition and confirm the presence or demonstrate the absence of a contamination of a previously studied site during Phase I, whether it is at the ground or the water level, and if so, to specify the nature of the various contaminants.

Steps to follow:

  • Planning of the sampling campaign
  • Location of underground infrastructure
  • Soil sampling
  • Groundwater and surface water sampling
  • Analysis of samples in the laboratory
  • Data Interpretation
  • Report and the recommendations

Environmental Site Characterization - Phase III

Phase III clarifies the extent of contamination detected during Phase II, and therefore determines the volume of contaminated soil (area, depth, volume, etc.).

Environmental Site Rehabilitation - Phase IV

Rehabilitation is necessary in the case where the concentrations of contaminants detected in a given area exceed the use criteria defined by the MDDELCC.
This can be done either by disposing contaminated soils and waters in approved locations, or by doing what is called in-situ rehabilitation.

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