Emerging Contaminants

Tuesday, August 8, 2017: 9:25 a.m.-4:50 p.m.
This session will focus on emerging contamination threats to groundwater resources, and the state of the art in how they can be addressed.

Key topic areas will include the treatment, characterization, and risks associated with:

  • Perfluorinated Compounds
  • 1,4 - Dioxane
  • Pharmaceuticals and Other Emerging Contaminants
  • Advances in Characterization and Conceptual Site Models
  • In Situ and Ex-Situ Treatment Technologies

Moderators:
Hunter Anderson, Ph.D. and Erika Houtz, Ph.D.
9:25 a.m.
Introduction

9:30 a.m.
Using Stable Isotope Probing to Confirm Biodegradation of 1,4-Dioxane During In-Situ Remediation

Caitlin Bell, PE1 and Kathleen Gerber2, (1)Arcadis, San Francisco, CA, (2)Vandenberg Air Force Base, Vandenberg AFB, CA

9:55 a.m.
Enhanced In Situ Co-Metabolic Biodegradation of 1,4-Dioxane in Weathered Bedrock via Propane Biosparging

Andrea Krevinghaus, PE1, Caitlin Bell, PE2 and David Favero, CPG3, (1)Arcadis, Novi, MI, (2)Arcadis, San Francisco, CA, (3)RACER, Detroit, MI

PDF file
10:20 a.m.
Refreshment Break

10:40 a.m.
Insights from Detailed Subsurface Characterization of a Plume of Poly- and Perfluoroalkyl Substances on Cape Cod, MA

Andrea K. Weber1, Larry B. Barber2, Denis R. LeBlanc3 and Chad D. Vecitis1, (1)John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, (2)National Research Program, US Geological Survey, Boulder, CO, (3)U.S. Geological Survey, Northborough, MA

11:05 a.m.
Sorptive Removal of Perfluorooctane Sulfonate from Aqueous Solution by Layered Double Hydroxides

Zhihao Hu and Xin Song, Ph.D., Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China

11:30 a.m.
In Situ Containment of PFOA/PFOS using Colloidal Activated Carbon

Kristen Thoreson, Ph.D and Melinda Pham, Research & Development, REGENESIS, San Clemente, CA

11:55 a.m.
Lunch (Provided)

1:10 p.m.
Emerging Characterization for Emerging Contaminants: Saturated Soil Sampling and 1,4-Dioxane

Patrick Curry, PG1, Joseph Quinnan, PE, PG1, Jesse Wright, PE, PG2 and David Favero, CPG3, (1)Arcadis, Novi, MI, (2)Arcadis U.S., Indianapolis, IN, (3)RACER, Detroit, MI

1:35 p.m.
Overview of Remediation Technologies for PFAS-Contaminated Groundwater

Jed Costanza1, Linda Fiedler1, Rosalind Ramsey2 and Dimin Fan3, (1)Office of Superfund Remediation and Technology Innovation, USEPA, Washington, D.C., DC, (2)USEPA, Washington, D.C., DC, (3)Oak Ridge Institute of Science and Education Fellow, Washington, D.C., DC

PDF file
2:00 p.m.
Remediation of Poly- and Perfluoro Alkyl Substances: New Remediation Technologies for Emerging Challenges

Jeffrey McDonough1, Ian Ross, Ph.D.2, Jake Hurst3, Jeff Burdick4, Erika Houtz, Ph.D.1 and Tessa Pancras5, (1)Arcadis, San Francisco, CA, (2)Arcadis, Manchester, United Kingdom, (3)Leeds, United Kingdom, (4)Arcadis, Newtown, PA, (5)Arcadis, Apeldoorn, Netherlands

PDF file
2:25 p.m.
Assessment of PFAS in Soil and Groundwater: Direct Comparison of New Analytical Technologies for Comprehensive Analysis of PFAS Including Precursors

Erika Houtz, Ph.D.1, Ian Ross, Ph.D.2, Jeff Burdick3, Allan Horneman4, Jake Hurst5, Hans Slenders6, Tessa Pancras6 and Thomas Held7, (1)Arcadis, San Francisco, CA, (2)Arcadis, Manchester, United Kingdom, (3)Arcadis, Newtown, PA, (4)Sanborn, Head and Associates Inc., Portland, ME, (5)Leeds, United Kingdom, (6)Arcadis, Apeldoorn, Netherlands, (7)Berlin, Germany

2:50 p.m.
Refreshment Break

3:10 p.m.
Real-time Multi-stream Cr(VI) Monitor Validates RCOF Treatment Process at California Water Utility

Tom Williams and Vladimir Dozortsev, Ph.D., Aqua Metrology Systems, Ltd., Sunnyvale, CA

PDF file
3:35 p.m.
Technical Resources to Respond to Environmental Releases of Poly- and Perfluoralkyl Substances (PFAS)

Patricia Reyes1, Virginia Yingling2, Bob Mueller3 and Lesley Hay Wilson, Ph.D.4, (1)Interstate Technology Regulatory Council, Washington, DC, (2)Environmental Health Division, Minnesota Department of Health, St. Paul, MN, (3)Division of Science, Research & Environmental Health, New Jersey Dept. of Environmental Protection, Trenton, NJ, (4)Sage Risk Solutions LLC, Austin, TX

PDF file
4:00 p.m.
Distribution of PFOS in Groundwater from AFFF Storage, Handling, and Use

Jeffrey R. Hale, PG, Kleinfelder, Cranberry Township, PA

  Handout PDF file
4:25 p.m.
Boron as an Emerging Contaminant at Coal Ash Sites and Large Plume Management Metrics

Stephanie Jones, Geosyntec Consultants, Columbia, MD

PDF file
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