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States/EPA Meeting on PFAS: Poly- & Perfluoroalkyl Substances

Monday, May 23, 2016
Quinsigamond Community College
670 West Boylston Street
Worcester, MA

9:00     Check-in & Continental Breakfast

9:30     Welcome & Introductions

9:45     Introduction to PFAS – Uses, Chemistry, & Terminology
             Speaker: Dr. Jennifer Guelfo, Brown University

10:15   PFAS Subsurface Fate & Transport
             Speaker: Dr. Jennifer Guelfo, Brown University

10:45   Break

11:00   PFAS Toxicology
             Speaker: Dr. Angela Slitt, Associate Professor, University of Rhode Island 

11:30   State/EPA Standards, Their Basis, & Potential Changes
             States & EPA Roundtable

  • Does your state have published limits for PFAS?
    • If so, what are they for drinking water? Groundwater? Surface water? Soil?
      • Which PFAS do you have standards for? PFOA/PFOS only? Others?
      • Are you considering regulating additional PFAS in the future. If so, which ones?
    • If not, what limits would you use and why?
  •  If you have limits, what are they based on?
    • What is the toxicological endpoint?
      • What study was used and why?
    • If noncancer, what is the hazard index used in your state (e.g. 1 or 0.1)?
    • If cancer, what is the risk level used in your state (e.g. 10-5 or 10-6)?
    • What is the assumed duration of exposure?
    • Other factors?
  • Is your state considering changes and if so, what’s likely?

12:15   Lunch (provided)

1:00     PFAS Sampling/Analysis
             Speaker: Robert Lim, EPA Region 1

1:30    Introduction to Treatment & Remediation Issues
             Speaker: Dr. Jennifer Guelfo, Brown University

1:45    Recent State Experience & Lessons Learned 

            William Ottaway & George Heitzman, NYS Dept. of Env. Cons. (NYSDEC)
            Chuck Schwer, VT Department of Environmental Conservation (VTDEC)
            Micheal Wimsatt, NH Department of Environmental Services (NHDES) 

2:15     Break

2:30     Recent State Experience & Lessons Learned (continued)

            Micheal Wimsatt, NHDES 
            William Ottaway & George Heitzman, NYSDEC
            Chuck Schwer, VTDEC

3:30    Roundtable on State & EPA Treatment & Remediation Experience at Other PFAS Sites

  • Experience with using or piloting treatment with anything other than granulated activated carbon (GAC)?
  • Experience with treating drinking water wells at homes and/or municipal drinking water wells with GAC
    • What compounds are measured in the effluent?
    • What are the removal efficiencies?
    • Any issues with longevity of the GAC?
    • How is spent GAC disposed?
  • Experience with remediation of soil &/or the groundwater plume

3:45     Key Questions to Inform Regulatory Guidance & Management & Concluding Remarks 
             Speaker: Dr. Jennifer Guelfo, Brown University

4:00     Adjourn

For more information, contact Jennifer Griffith at .



Last Modified 06/30/2021

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