Contaminated Soil and Groundwater, Assessment and Remediation

Webinaire / les 2, 3 et 4 avril 2024 /
Code : 14-0414-ONL24

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Veuillez noter :
This course is held online over 3 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

After participating in this course, you will be able to:

  • Understand the phased structure of Environmental Site Assessment (ESA), Risk Assessment (RA) and Remediation requirements
  • Support your projects using the necessary Environmental Chemistry knowledge
  • Understand the basics of fate and transport of contaminants in porous media
  • Construct a Conceptual Site Model and devise Sampling and Analysis Plan
  • Evaluate and select appropriate remediation technologies for contaminated soil and groundwater

The environmental condition of properties is an important issue in redevelopment, financing and transactions. All stakeholders must be aware of potential environmental liabilities. This detailed three-day course provides information on approaches and methodologies based on Environmental Chemistry required for assessing and remedying contaminated soil and groundwater by the phased structure of ESA, RA and remediation.

Applicable Environmental Chemistry concepts and principles, along with fundamentals of soil and groundwater properties and fate and transport of contaminants in porous media, will be provided to be employed in the standard procedures outlined in phased structured ESA, including sampling and analysis, Human Health RA and exposure control. Conventional and innovative soil and groundwater remediation methods will be discussed, along with cleanup requirements.

Case examples will be introduced and worked on by participants as the topics are covered.

Course Outline:

  • Environmental Site Assessment phased structure
  • Environmental Chemistry Basics
  • Human Health Risk Assessment
  • Soil and Groundwater Properties
  • Fate and Transport of Toxic Metals and Organic Contaminants
  • Soil and Groundwater Sampling
  • Remediation Technologies and Selection Criteria

Who Should Attend:
Environmental Engineers & Technologists • Project Managers • Regulatory personnel (federal, provincial and municipal) • Geologists • Consultants & Soil Scientists

Veuillez noter :
This course is held online over 3 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

Horaire : 9:30 AM - 5:30 PM EDT

Exigences techniques

Pour les utilisateurs de PC
OS: Windows 7, 8, 10 ou plus récent

Navigateur :
IE 11 ou plus récent, Edge 12 ou plus récent, Firefox 27 ou plus récent, Chrome 30 ou plus récent

Pour les utilisateurs de Macintosh
OS: MacOS 10.7 ou plus récent

Navigateur :
Safari 7+, Firefox 27+, Chrome 30+

OS: iOS 8 ou plus récent

OS: Android 4.0 ou supérieur

voir le programme complet


Veuillez noter :
This course is held online over 3 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

DAY I - Environmental Chemistry of Contaminants, Soil and Groundwater

Welcome, Introduction, Course Preview, Learning Outcomes and the Assessment Method.

Environmental Chemistry Basics

  • Overview of Contaminants
  • Concept of Source-Pathway-Receptor
  • Soil and groundwater as transport and exposure pathways
  • Physical Reactions (adsorption, volatilization, cation exchange)
  • Chemical reactions (Oxidation, Precipitation)
  • Biological Reactions
  • Clay and organic matter in the soil

Toxic Metals

  • Toxic properties of heavy metals
  • Sorption/desorption of heavy metals in subsurface
  • Chemical precipitation
  • Bioaccumulation and biomagnifications of metals

Organic contaminants

  • Petroleum hydrocarbons and chlorinated solvents
  • Sorption
  • Biodegradation
  • Volatilization
  • Light and Dense Non-Aqueous Phase Liquids (LNAPL/DNAPLS)

Soil Environment

  • Physical properties of soil
  • Hydraulic properties of soil/porous media
  • Overview of physical, chemical and biological interactions of contaminants in porous media


  • Overview of hydrogeology
  • Types of aquifers
  • Unsaturated zone; hydraulic properties
  • Aquifer properties and discharge rates
  • Mapping groundwater flow

Contaminant Fate and Transport in Subsurface Environment

  • Advection, diffusion and dispersion
  • Reactions and decay
  • Retardation
  • Contaminant transport in vadose zone
  • Contaminant transport in the saturated zone
  • Introduction to models and software
  • Example simplified models

Question and Answer Session

DAY II - Soil and Groundwater Remediation Technologies

Conceptual Site Models

  • Source-Pathway-Receptor concept
  • Contaminant Source characterization
  • Transport and exposure pathways
  • Receptors characterization
  • Example conceptual site models

Human Health Risk Assessment and Risk-Based Remediation

  • Human Health Risk Assessment Framework
  • Threshold and non-threshold contaminants
  • Human health risk assessment
  • Development of risk-based criteria
  • Risk-based remediation
  • Example calculations

Contaminated Soil Remediation

  • Physical/Chemical Treatment Technologies
  • Soil Vapor Extraction
  • Solidification/Stabilization
  • Chemical Oxidation
  • Soil Flushing
  • Soil washing
  • Electrokinetic Separation
  • Biological Treatment Technologies: Biofarming, Bioventing, Phytoremediation

Groundwater Remediation

  • Monitored Natural Attenuation
  • Air Stripping
  • Air Sparging
  • Pump and Treat System
  • Permeable reactive barriers (Zero-valent-iron)
  • Application of Nano-Materials to in-situ remediation of groundwater

Examples to be worked on by participants, Question and Answer Session

DAY III - Environmental Site Assessment

Phase I and II Environmental Site Assessment Standards

Phase I ESA

  • Legislative requirement
  • Provincial guidelines for site assessment
  • Identify potential environmental concerns and activity
  • Determine whether Phase II ESA needed

Phase II ESA

  • Background study
  • Review of existing information
  • Preliminary site characterization
  • Development of a detailed work plan for Phase II ESA

Soil and Groundwater Sampling

  • Sampling plans for soil and groundwater
  • QA/QC project plans and samples
  • Soil sampling methods and equipment
  • Groundwater monitoring wells

Phase II ESA Report - Case Example

Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes


Edwin Safari, Ph.D., P.Eng.

Edwin is a licensed Professional Engineer by Professional Engineers Ontario and is a sessional lecturer at the Physical and Environmental Sciences University of Toronto Scarborough. Edwin is the inventor of Grafta™, a first-of-its-kind unique nano-graphene-based adsorbent for environmental remediation and water and wastewater treatment. He is currently the Vice President of Technology of Grafta Nanotech Inc, where Grafta™ is being mass-produced and commercialized.

Edwin has over 20 years of experience in academia and consulting in Environmental Engineering and Assessment. He has a proven track record of working and managing various Environmental projects ranging from Environmental Site Assessment, Risk Assessment, Impact Assessment, Physical and Contaminant Hydrogeology, Waste Management Planning, Landfill Design, Leachate and Gas Management and Life Cycle Assessment. Edwin has been with EPIC for over nine years and has offered Environmental Assessment, Risk Assessment and Remediation courses in various provinces in Canada.


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