Transport and Fate of Metals in Soil and Groundwater: Applying the Six Scenarios Approach to Inorganic Contaminated Sites (U.S. DOE 2011) Training Course - CalEPA Water Resources Control Board

  • June 28, 2022
  • 8:00 AM
  • June 29, 2022
  • 5:00 PM
  • Live Online Training


June 28 - 29, 2022, 8 A.M. to 5 P.M. PDT (2 Days)

CalEPA Water Resources Control Board

Live Interactive Online Training



Course Reviews (4.8/5): 


Summary: This course provides a practical overview of the transport, fate, and natural attenuation of metals using the "Scenarios Approach". The Scenarios Approach was developed by Savannah River National Laboratory in 2011 to provide a quick and easy framework for improving the assessment and remediation of inorganic contaminated sites. The Scenarios Approach is based on the interpretation of plume geochemistry, geochemical gradients, and specific inorganic contaminant behavior in various geochemical settings (e.g., Cr(VI) instability under low redox conditions). Understanding metal behavior within the various geochemical scenarios provides an improved method for predicting metal transport and fate, and implementing effective remediation strategies. The course focuses on soil and groundwater, and the concepts are also applicable to sediment, stormwater, and surface water.


Course Topics:
Principles of Metal Behavior in Soil and Groundwater

Overview of the Scenarios Approach

Source Configurations

Designating Plume Segments

Scenario Indicator Parameters:
  • Oxidation-Reduction Potential
  • Cation Exchange Capacity
  • Soil Iron Oxide Content
Primary Modifying Factors:
  • pH
  • Total Dissolved Solids
  • Sulfur Species
  • Carbonate Alkalinity
Secondary Modifying Factors:
  • Facilitated Transport
  • Source Type
  • Hydrogeology
  • Travel Time to Receptors
     

    Biogeochemical Gradients


    Six Scenario Behavior of:

    • Arsenic
    • Cadmium
    • Chromium (III)
    • Chromium (VI)
    • Copper
    • Lead
    • Nickel
    • Selenium
    • Zinc
    • Nitrate
    • Perchlorate
    Mercury Behavior

    Attenuation Conceptual Models


    U.S. EPA's Tiered Approach

    Data and Plume Analysis Tools

    Cost Influencing Factors

    Enhanced Metal Attenuation

    Remediation Technologies

    Considerations for Mining Sites

    Intended Audience: Environmental professionals seeking an improved understanding of metal transport, fate, and remediation in soil and groundwater.


    Education Level: Intermediate and advanced topics will be covered.

    Course Materials: Course proceedings and reference material (192 color pages - PDF).


    Credit: 15 PDHs or 1.5 CEUs for completing 15 hours of instruction.


    Registration: This course is open to California Water Boards staff only. Please register internally with the Training Academy.


    Location: Your home or office - anywhere you can get comfortable and online.

    About the Instructor: Erick McWayne has twenty-eight years of professional experience in environmental quality management and teaching related courses. As a consultant, he managed contaminated surface water, soil, and groundwater projects for the Department of Defense and other clients. He currently provides consulting support to environmental projects and teaches courses in environmental chemistry, hydrogeology, transport and fate, remediation, and water quality management with the University of California Davis and the National Environmental Management Academy.

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