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Contaminated Site Management Series in Portland, OR, Dec. 5 - 9, 2011

  • December 05, 2011
  • 8:00 AM
  • December 09, 2011
  • 5:00 PM
  • Portland Nature Center, 5151 NW Cornell Road, Portland, Oregon 97210

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This is a three-part series with courses intended to be taken in series or individually based on interest:



Part 1:

 December 5, 2011, 8 A.M. to 5 P.M. (1 Day)
Portland Nature Center
5151 NW Cornell Road, Portland, Oregon 97210

Overview: This course provides a practical overview of key chemistry principles essential for understanding and predicting contaminant behavior in soil and groundwater. Organic and inorganic contaminants will be explored.
 
Course Topics: 
  • Overview of Physical and Chemical Properties of Contaminants (S, Koc, Kow, Kh, Tb, Tm)
  • Periodic Chart Applications to Remediation
  • Isotopes, Ions, and Chemical Bonds
  • Predicting Molecular Geometry and Behavior
  • Solubility Rules, Precipitation, and Applications for Inorganic Remediation
  • Chemical Reactions, Kinetics, and Thermodynamics
  • Stoichiometry (balancing reactions)
  • Oxidation States and Redox Reactions
  • Chemical Equilibrium and Limiting Reactants
  
  • Basics of Groundwater Monitoring and Data Interpretation
  • Empirical, Chemical, and Structural Formulas
  • Mass-Based and Molar-Based Concentrations
  • Molecular Structure with Lewis Dot Notation
  • Polyatomic Oxoanions (nitrate, phosphate, chromate, perchlorate, permanganate, etc.)
  • Organic Molecules and IUPAC Nomenclature
  • Functional Groups - Alcohols, Aldehydes, Amines, Aromatics, Ethers, Ketones, and Organometallics
  • BTEX Structure and Behavior - Benzene, Toluene, Ethylbenzene, and Xylene
Education Level: Introductory to intermediate/refresher.

Course Materials: Course proceedings, worksheets, and reference material.

Credit: 7.5 PDHs and 0.75 CEUs for completing 7.5 hours of instruction.

Registration: $295 ($250 for additional guests)

Part 2:
December 6 - 7, 8 A.M. to 5 P.M. (2 Days)
 Portland Nature Center
5151 NW Cornell Road, Portland, Oregon 97210
Instructor: Erick McWayne, NEMA, LLC

 Overview: This course provides the practical knowledge and skills necessary to effectively assess and remediate contaminated sites. The course also includes modules focused on petroleum, chlorinated solvents, and metal contamination.

Course Topics:

Contaminant Chemistry Overview

  • Functional Groups, Chemical Properties, and Hazards

Transport Mechanisms

  • Advection

  • Mechanical Dispersion

  • Diffusion (Chemical Dispersion)

  • Effective Solubility

3- and 4-Phase Equilibrium Partitioning

  • Adsorption and Absorption

  • Applications of Kd, Koc, foc, Kow, and KH

  • NAPL and the One Percent Rule

  • Molar Fraction Calculation

  • Contaminant Mass Fraction Calculation

  • Residual Saturation Calculation

Groundwater Transport

  • Hydrogeology Review

  • Three Point Problem

  • Contaminant Velocity Calculations

Nonaqueous Phase Liquid (NAPL) Transport

  • Capillary Fringe Interactions and Smear Zones

  • Estimating LNAPL Thickness from Well Free Product

  • Estimating DNAPL Critical Height

Vapor Transport

  • Contaminant Vapor Properties and Behavior

  

Vapor Transport (cont.)

  • Henry's Law Partitioning

  • Vapor Diffusion and Air-Filled Porosity

  • Barometric Pumping

Natural Attenuation

  • Natural Attenuation Processes

  • Biodegradation Pathways for Common Contaminants

Focus on Hydrocarbon Contamination

  • Gasoline and Diesel Chemistry

  • BTEX, Oxygenates, and Additives

  • Ethanol Cosolvation and Plume Elongation

  • Geochemical Indicators of Natural Attenuation

  • Plume Behavior and Zones

Focus on Chlorinated Hydrocarbon Contamination

  • Chlorinated Solvent Chemistry

  • Plume Behavior Classification

  • Degradation Pathways

  • Geochemical Indicators of Natural Attenuation

Focus on Metal Contaminants

  • Mobility, pH, and Amphoterism

  • Dissolved and Particulate Forms

  • Cation/Anion Exchange and Variably Charged Soils

  • Complexation, Chelation, and Ligands

  • Hydrated Metals as Acids

Education Level: Introductory to intermediate/refresher.

Prerequisites: Completion of Environmental Chemistry Refresher for Contaminated Site Managers", equivalent course work, or on-the-job experience.

Course Materials: Course proceedings, worksheets, and reference material.

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

Registration: $495 ($445 for additional guests)


Part 3:


 December 8 - 9, 2011, 8 A.M. to 5 P.M. (2 Days)
Portland Nature Center
5151 NW Cornell Road, Portland, Oregon 97210

Instructor: Erick McWayne, NEMA, LLC

Overview: This workshop provides participants with the science and best practices for remediating contaminated sites with monitored natural attenuation, and provides a foundation for understanding other remediation strategies.

Course Topics:
Overview of Monitored Natural Attenuation (MNA)
  • Physical, Chemical, and Biological Processes
  • Advantages and Disadvantages of MNA
  • State and Federal Policies on MNA
Geochemical Context for MNA
  • Geochemical Processes
  • Redox Zones
MNA of Petroleum and Fuel Additives
  • Geochemical Indicators
  • Determining Site Specific Assimilative Capacity
  • Plume Behavior
  • Degradation Rates
  • Daughter Products
MNA of Chlorinated Hydrocarbons
  • Geochemical Indicators
  • EPA's Biodegradability Score Sheet
  • Mixed Plume Behavior
  • Daughter Products (toxicity and mobility)
Site Hydrogeology and MNA Efficiency
  • Groundwater Velocity Characterization
  • Estimating Mechanical and Chemical Dispersion
  • Assessing Sorptive Capacity of Aquifer Solids
  • Microbiologic Testing - When is it necessary?
  
Natural Attenuation Feasibility Study
  • Evaluating Plume Characteristics
  • Source Control, Decay, and Removal
  • Predicting Plume Behavior
  • Measuring and Estimating Degradation Rates
  • Using Fate and Transport Models
  • Developing the Conceptual Site Model
Implementing MNA
  • Groundwater Monitoring Plan Requirements
  • Monitoring Well Position
  • Contaminant Mass Trends
  • Collecting Lines of Evidence for Natural Attenuation
  • Refining the Conceptual Site Model
  • Evaluating Natural Attenuation Progress
  • Institutional Controls
  • Risk Management
Criteria for Success and Site Closure
  • Contaminant Persistence
  • Variations in Groundwater Velocity and Direction
  • Completing MNA and Demonstrating Site Restoration
MNA Case Studies and Interactive Exercises

Education Level: Introductory to intermediate/refresher.

Prerequisites: Completion of HYD-401 - "Environmental Chemistry Refresher" and HYD-402 - "Principles of Contaminant Transport and Fate", equivalent course work, or on-the-job experience.

Course Materials: Course proceedings, worksheets, case studies, and reference material.

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

Registration: $495 ($445 for additional guests)
About the Instructor: Erick McWayne has sixteen years experience with soil, groundwater, and geophysical investigations for the characterization of contaminant transport and fate; and teaching contaminant chemistry, transport, natural attenuation, and hydrogeology. As an environmental consultant, Mr. McWayne served as a project manager for remedial investigations and feasibility studies at numerous Department of Defense and other contaminated sites. He currently manages NEMA and teaches transport and fate, environmental chemistry, and hydrogeology across the country.

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