TRAINING.

Risk Assessment of Contaminated Sites

Online /
Apr 19 - 20, 2021 /
Course Code: 11-0435-ONL21

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  • Overview
  • Syllabus
  • Instructor

Overview

Please Note:
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This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

10:00 am to 6:00 pm Eastern (Will include the usual breaks and lunch) *********************************************************************************

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

  • understand the overall structure of risk assessment and exposure control
  • understand how to use the risk assessment guidelines and tools
  • determine site specific risk based guidelines and risk management measures

Description
In cases where concentration of contaminants in soil and groundwater exceeds the generic regulatory guidelines, in addition to remediation to meet these guidelines, the contaminated site can alternatively undergo Risk Assessment. Risk management or exposure control at contaminated sites can be deemed desirable when soil and groundwater remediation is costly, and time consuming or site-specific guidelines are to be developed.

Risk assessment is carried out based on a detailed conceptual site model and fate and transport of contaminants in soil and groundwater to determine the likelihood of adverse health effects resulting from exposure of receptors to contaminants.

Course Outline

  • Overview of legal framework and tired approach of environmental risk assessment
  • Overview of Environmental Site Assessment
  • Toxicity and carcinogenicity and applicable databases
  • Human health risk assessment framework
  • Ecological aspects of risk assessment
  • Conceptual Site Models (CSM) and problem formulation
  • Introduction to contaminant fate and transport modeling for exposure evaluation
  • Dose response for threshold and non-threshold contaminants
  • Risk based guidelines for remediation
  • Introduction to risk management

Who Should Attend
Environmental Engineers • Scientists • Consultants • Industrial Staff • Technicians and Technologists • Regulators Reviewing and Accepting Risk Assessment and Management Applied to the Contaminated Sites

More Information

Time: 10:00 AM - 6:00 PM Eastern Time


Please note: You can check other time zones here.

Syllabus

Please Note:
*********************************************************************************
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

10:00 am to 6:00 pm Eastern (Will include the usual breaks and lunch) *********************************************************************************

Daily Schedule
10:00 Seminar begins
12:00 Lunch
6:00 Adjournment

Day I

Introduction

Overview of

  • Regulatory framework
  • Environmental Site Assessment and delineation
  • Concept of Source-Pathway-Receptor
  • Contaminants and their toxicity
  • Human Health Risk Assessment Framework
  • Ecological aspect of risk assessment
  • Development of Conceptual Site Models (CSM)
  • Risk Management

Introduction to Contaminant Fate and Transport in Soil and Groundwater

  • Physical, chemical and biological processes
  • Transport mechanisms; advection, dispersion and reactions/decay
  • Introduction to simplified modeling tools

Conceptual Site Models (CSM)

  • Source-Pathway-Receptor characterization
  • Exposure pathways
  • Example CSMs

Toxicity and Carcinogenicity of Contaminants

  • Integrated Risk Information System (IRIS)
  • Threshold and non-threshold contaminants

Delineation Sampling and Analysis for Risk Assessment

  • elineation Requirements
  • Soil sampling
  • Groundwater Sampling

Day II

Human Health Risk Assessment

  • Overview of Guidance documents in Alberta
  • Planning and Scoping Process
  • Overview of HHRA framework
  • Problem formulation
  • Chemical identification and screening
  • Receptor identification and screening
  • Exposure pathway identification and screening
  • Toxicity Assessment
  • Exposure limits
  • Toxicity of chemicals with no environmental regulatory exposure limits
  • Toxicity of mixtures
  • Exposure assessment
  • Fate and transport considerations
  • Exposure concentrations
  • Intake modelling
  • Risk characterization
  • Uncertainty analysis
  • Reporting

Ecological Aspects of Risk Assessment

  • Ecological Risk Assessment Framework
  • Problem Formulation
  • Exposure Assessment
  • Toxicity Assessment
  • Risk Characterization
  • Uncertainty Analysis

Introduction on remediation methods

  • In-situ and ex-situ soil remediation
  • Groundwater remediation methods

Risk Management and Exposure Control Approach

  • RISK MANAGEMENT AND MITGATION
  • Interpretation of HHRA results
  • Incorporation of results into project design, operation and monitoring
  • Incorporation of results into regulatory approval conditions

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

Instructor

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

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

Edwin is currently President and Chief Technical Officer (CTO) at Comnipex Corporation leading innovative projects in Geo-Environmental area focusing on modern technologies and materials for soil and groundwater remediation including nano-technology as well as waste management. He has also been Visiting Professor at GeoEngineering Research Group, Carleton University. He has 20 years of industrial and research experience in geo-environmental engineering. He has been involved in many environmental and geo-environmental engineering and research projects around the world in different areas such as environmental assessment of contaminated sites, contaminant fate and transport in porous media, soil and groundwater remediation, waste management, environmental risk assessment and environmental nanotechnology. His current research focuses on application of zero valent iron and carbon based nano-materials in in-situ and ex-situ remediation of contaminated groundwater. He has more than 15 years of experience in teaching environmental and geo-environmental engineering courses.

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Course Rating
4.4 out of 5

Overall rating of this course by its previous attendees!

Fee & Credits

$1295 + taxes

  • 1.4 Continuing Education Units (CEUs)
  • 14 Professional Development Hours (PDHs)
  • ECAA Annual Professional Development Points
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