Topics to Be Covered

CSMA-2018 covers the following themes:

A. Tools for Defining Impacts and Liabilities to Soil, Sediment and Water

  • Tools and Methods for Defining Contaminants Distributions such as MIPs, Waterloo Profilers, etc.
  • Understanding Matrix Diffusion
  • Contaminant Transport in Complex lithologies
  • Using the Triad Approaches for Effective Site Characterization
  • High Resolution Characterization Techniques
  • Human and Ecological Risk Determination
  • Remediation and Risk Management at Fractured Bedrock Sites
  • Human and Ecological Risk Determination
  • Remediation and Risk Management at Fractured Bedrock Sites
  • Developing Effective Conceptual Models
  • Emerging Contaminants Issues

B. Tools for Mitigating Impacts to Soil, Sediment and Water

  • Biological Methods of Contaminant Treatment
    • Bioremediation
    • Enhanced Bioremediation Strategies
    • New Approaches for Enhanced Bioremediation of Hydrocarbons and PAHs
    • Enhanced Bioremediation of Chloromethane and Chlorinated Aromatics
    • New Concepts for Enhanced Bioremediation of Chlorinated Ethenes
  • ISCO and ISCR Methods for Contaminant Treatment
    • Chemical Oxidation
    • New Concepts of Chemical Oxidation
    • Chemical Reduction
    • Coupling of ISCO with Bioremediation
  • Applications of Zero Valent Iron (ZVI)
  • In-Situ and On-Site Thermal Remediation
  • Contaminant Stabilization and Fixation
  • Permeable Reactive Barriers
  • Phytoremediation
  • Natural Attenuation Processes Including Abiotic and Biotic Processes
  • Advances in Natural Attenuation
  • Innovative Delivery Techniques
  • Extraction Technologies using Air, Water, Heat or Energy
  • Use of Technical Impracticality
  • Plume Management and Treatment
  • Source Treatment Technologies

C. Strategies for Managing Contaminated Soil, Sediment and Water

  • Green and Sustainable Remediation
  • Sustainable Sediment Management
  • Integrated DNAPL Remediation Approaches
  • Integrating Remediation with Development (brownfields)
  • Regulatory Initiative Impacting Contaminated Sites
  • Managing Natural Resource Damages
  • The Economics of Remediation
  • Effective Portfolio Management for Contaminated Properties
  • Control versus Treatment
  • Managing Third Party Liabilities
  • Managing Naturally Occurring Radioactive Materials

D. Vapor Intrusion Assessment and Mitigation

E. Removal of PFAS/PFC from Water

AORTs-2018 covers the following themes:

AORTs-2018 covers a broad range of related topics on the research, development, commercialization and the field applications of various technologies for treatment of water, air and soil. Specifically, presentations on the following topics are strongly encouraged:

A. Site Characterization (DNAPL, LNAPL and Other Organic Contaminants)

  • Characterization technologies
  • Sampling Strategies
  • Dealing with heterogeneity
  • Percussion Probing (Geoprobe®)
  • Cone Penetration
  • Organic Vapor Analysis/Screening of Soil Cores
  • UV Fluorescence Detection Methods
  • Hydrophobic Dye Shake/ Test Use and Limitation
  • Using RNS Strips to Detect NAPL in Soil Core
  • Membrane Interface Probe (MIP)
  • Downhole RNS (aka NAPL FLUTe TM)
  • CPT/LIF UV Fluorescence Probe
  • DP Groundwater Profiling
  • PITT
  • Geophysical imaging (3D Siesmorgaphy)
  • Soil Gas Surveys – Gore Sorbers, Emflux

B. Injection Equipment and Application Systems

  • Push tools
  • Hydraulic and Pneumatic Fracturing
  • Recirculation wells
  • Enhanced Injection Methods such as Pressure pulsing

C. Technology Screening and Testing

  • Chemical Oxidation Technologies
    • Fenton – Based Technologies
      •  Catalyst Used
      • Soil oxidant demand
      • Subsurface heterogeneity
      • Mechanism of Oxidation
      • Contaminated Treated
      • Reaction with LNAPL and DNAPL
      • Effect of Metals
      • Rebound of contaminants after treatment
      • Issues with stability, safety, and handling
      • Case histories 
    • Permanganate Oxidation
      • Soil oxidant demand
      • Subsurface heterogeneity 
      • Mechanism of Oxidation
      • Contaminated Treated
      • Effect of Metals
      • Rebound of contaminants after treatment
      • High strength (> 20%) permanganate applications
      • Issues with stability, safety, and handling
      • Case histories
    • Persulfate and Other Oxidants
      • Soil oxidant demand
      • Subsurface heterogeneity
      • Mechanism of Oxidation
      • Contaminated Treated
      • Catalyst used
      • Thermal activation
      • Combined peroxide-persulfate systems
      • Effect of Metals
      • Rebound of contaminants after treatment
      • Issues with stability, safety, and handling
      • Case histories 
    • Ozonation
      • Soil oxidant demand
      • Subsurface heterogeneity
      • Mechanism of Oxidation
      • Contaminated Treated
      • Ozone generators
      • Pulsed ozone
      • Combined ozone-peroxide systems
      • Effect of Metals
      • Rebound of contaminants after treatment
      • Issues with stability, safety, and handling
      • Case Histories 
  • Chemical Reduction Technologies 
    • Subsurface 
    • Mechanism of treatment
    • Contaminated Treated
    • Zero valent iron (ZVI)
      • Nanoscale
      • Injectable
      • Activation 
    • Zone source Encapsulations (ZVI/Clay)
    • Other reducing agents
    • Rebound of contaminants after treatment
    • Comparison with biological reduction
    • Case histories
  • Fluid Flushing
    • Water Flooding and Extraction
    • Surfactants/Cosolvents
    • Air Sparging
  • Thermal Technologies
    • Steam Injection 
    • Electrical Resistance Heating-Vertical Electrode 
    • Conducting Heating- Thermal Blankets or Thermal Wells
    • RF Heating
  • Microbial Technologies 
    • Aerobic and Anaerobic Bioremediation
    • Biostimulation and Bioaugmentation
    • Natural Attenuation
  • Enhanced Reductive Dechlorination 
  • Permeable Reactive Barriers 
  • Hydraulic Containment
  • Combining Remediation Technologies in space and/or time to improve overall performance 
    • Cosolvent Flushing and Enhanced Microbial Anaerobic Reduction
    • Steam with Air/Oxygen Injection
    • Thermal removal with oxidation
    • Thermal Methods Combined with Microbial Degradation
    • EZVI
    • Chemical Oxidation followed by Reductive Dechlorination
    • Natural Attenuation

D. Contamination in Fractured Bedrock

  • Characterization
  • Remediation Technologies
  • Modeling
  • Risk Assessment

E. Modeling, Risk Assessment and Fractured Bedrock Consideration

  • Modeling
    • Accepted flow models
    • Accepted mass transfer models
  • Risk Assessment
    • Accepted models
    • Goals and standards
  • Fractured Bedrock Considerations

F. Water Resources Management

  • Industrial Wastewater Treatment
  • Ground Water Treatment
  • Surface Water Treatment
  • Drinking Water Treatment
  • Water Quality Management
  • Management of Water System
  • Water Reuse

G. Monitoring and Performance Evaluation

  • Evaluation Technologies
  • Monitoring technologies
  • Sampling strategies
  • Sampling and analysis methods
  • Numerical Models: Deterministic Approaches
  • Numerical/ Analysis Models: Stochastic approaches

H. Economics of Oxidation and Reduction Technologies

  • Site Characterization
  • Field Pilot Testing
  • Full-Scale Implementation
  • Monitoring

I. Regulatory Issues

  • Country-specific
  • Goals and standards