NEMA,LLC

PFAS Transport, Fate, and Remediation in Soil and Groundwater: Understanding and Managing Per- and Polyfluoroalkyl Substances Including PFOA and PFOS - Renton, WA

  • December 04, 2019
  • 8:00 AM
  • December 05, 2019
  • 5:00 PM
  • Larkspur Landing, 1701 East Valley Road, Renton, Washington 98055

Registration

  • 2 or more people

Register


December 4 - 5, 2019, 8 A.M. to 5 P.M. (2 Days)

Larkspur Landing, Main Conference Room

1701 East Valley Road, Renton, WA 98055 [directions]


Course Reviews (4.8/5): 


This course provides a comprehensive overview of per- and polyfluoroalkyl substances (PFAS) transport, fate, and remediation. PFAS have been in use since the 1940s, are highly toxic, resist degradation, and are becoming increasingly regulated. The training begins with a review of PFAS sources, toxicity, and the common forms detected in the environment including perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), newer GenX related chemicals including hexafluoropropylene oxide (HFPO) dimer acid, and perfluorobutane sulfonic acid (PFBS). The course then focuses on more advanced topics including PFAS transport and fate, site characterization methods, and effective remediation strategies.


Course Topics

PFAS 101 - The Basics

  • What Are PFAS?

  • Precursors and Degradates

  • Acronyms and Naming Conventions

  • Production History and Usage Trends

  • Replacement Chemistry 

  • Sources and Modes of Release

  • Aqueous Film-Forming Foam (AFFF)
  • Detections in the Environment
  • Toxicity and Health Effects


Physical and Chemical Properties

  • Physical Properties of PFAS

  • Fluorine Characteristics
  • Carbon-Fluorine Bonds

  • Acidic, Anionic, and Cationic Forms

  • Acid Disassociation Constants

  • Thermal and Chemical Stabilities

  • Solubilities

  • Organic Carbon Partitioning

  • Vapor Pressures

  • Henry's Law Partitioning

  • Octanol-Water Partitioning

  • Bioconcentration Factors


PFAS Transport and Fate in Air, Soil, Surface Water, and Groundwater

  • Partitioning
  • Advection, Dispersion, and Diffusion

  • Deposition

  • Leaching

  • Micelle Formation

  • Abiotic Transformation

  • Biotransformation

  • PFAS Degradates

  • Bioaccumulation

Site Characterization for PFAS

  • Investigation Strategies

  • Source Identification

  • Sampling Approaches and Precautions

  • Selecting PFAS Analytes

  • Analytical Methods

  • Air, Soil, and Water Framework

  • Data Evaluation

  • Qualitative Analysis

  • Exposure Pathways & Risk Assessment

  • Conceptual Site Model Development


Soil Remediation Technologies

  • Excavation and Off-Site Destruction

  • Stabilization
  • Thermal Desorption

  • Capping


Water Remediation Technologies

  • Aluminum Hydroxide

  • Granular Activated Carbon and Biochar
  • Modified Clay

  • Anion Exchange Resins

  • Bioremediation

  • Chemical Oxidation

  • Chemical Reduction

  • Sonochemical Treatment

  • Reverse Osmosis

  • Nanofiltration

  • Precipitation/Flocculation

 

PFAS Regulation and Guidance

  • WA PFAS Chemical Action Plan

  • EPA's Regulatory Approach and Status

  • Technical Guidance and Resources


Intended Audience: This course is intended for environmental agency staff, consultants, engineers, and site managers seeking an improved understanding of PFAS science, assessment, and remediation.


Education Level: Introductory to advanced. General principles, current research, and advanced topics are presented to ensure all levels benefit from attending.


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


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


Registration: $495 (save $100 per person when registering a group of two or more - $395 per person). Register online or by calling us at (800) 385-0783.


Accommodations: Larkspur Landing (workshop location). Click here for a map of nearby hotels.


Parking: Free on-site parking.

About the Instructor: Erick McWayne has twenty-five 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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