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Past Events:

  • Agenda Download Agenda

  • Introduction: Verifying Cleanups Near Receptors
    Henry Schuver Download Presentation Watch Video

  • Agenda and Workshop Themes/Goals
    Brian Schumacher Download Presentation Watch Video

  • State and Regional Vapor Intrusion Site Assessment Guidance [As of Fall 2022]
    Chris Lutes and Laurent Levy Download Presentation Watch Video

  • Why go above and beyond to collect defensible VI data?
    Theresa Gabris Download Presentation Watch Video

  • Sampling Strategy Performance: Daily and Weekly Durations: Comparing Random, Seasonal and Indicator‑ & Tracer‐Guided
    Chris Lutes, AJ Kondash, and Chase Holton Download Presentation Watch Video

  • Panel Discussion: Nature and severity of the problem
    Moderated by Alana Lee Watch Video

  • Vapor Intrusion Assessment with Different Foundation Types
    Hong (Emma) Luo Download Presentation Watch Video

  • Automated Continuous High‐Frequency Vapor and Controlling Factor Monitoring for Reasonable Maximum Exposure, Cost Effective Decision Making, and Risk Reduction
    Mark Kram, Blayne Hartman, and Cliff Frescura Download Presentation Watch Video

  • ORD Vapor Intrusion Research Projects Update
    John Zimmerman, Alan Williams, and Brian Schumacher Download Presentation Watch Video

  • Prioritizing Buildings/Zones Using a Quantitative Decision Framework and Incorporating Indicators/Tracers into Vapor Intrusion Building Assessments
    Keri Hallberg, Loren Lund, Chris Lutes, Laurent Levy, Donna Caldwell, Travis Lewis, and Teresie Walker Download Presentation Watch Video

  • Panel Discussion: Do we have a better way of site assessment and site management?
    Moderated by Alana Lee Watch Video

  • Examples of Spatial Variability in Indoor Radon Concentrations in Multifamily and Large Building Project Sites / Overview of IDOH Mitigation Compliance Inspection Pilot Program
    Kyle Hoylman Watch Video

  • Why Does the Radon Tracer Not Work All the Time?
    Chris Lutes and Chase Holton Download Presentation Watch Video

  • Understanding relationships between indicators & tracers and vapor intrusion: Dynamic multivariate time series regressions
    Riley Mulhern, Chris Lutes, Chase Holton, and AJ Kondash Download Presentation Watch Video

  • Soil Vapor Extraction (SVE) as a Tool for Soil Gas Management in Neighborhoods
    Bo Stewart, Chris Lutes, AJ Kondash, John Zimmerman, and Brian Schumacher Download Presentation Watch Video

  • Economic Analyses of Long‐Term Stewardship: Balancing Investigation, Mitigation, and Remediation Decisions
    Chris Lutes, Elsy Escobar, Bo Stewart Download Presentation Watch Video

  • Long‐term Stewardship of Residential Mitigation Systems by Radon Monitoring: Empowering Homeowners to Help Ensure Continued Mitigation System Performance
    Dave Folkes Download Presentation Watch Video

  • Panel Discussion: Do we have a better way of long‐term stewardship?
    Moderated by Chase Holton Watch Video

  • Open Discussion: Can we see consensus on path forward on improved implementation?
    Moderated by AJ Kondash

  • Closing Remarks
    Henry Schuver Watch Video

  • Field Testing Soil Gas [Vapor] Safe Communities Approach for Vapor Intrusion (VI) Assessment & Management
    Henry Schuver Brian Schumacher, John Zimmerman Download Presentation
  • Agenda Download Agenda

  • Abstract Download Abstract

  • How Vapor Intrusion Data Measured by Communities and Supported by Regulators Can Create Soil Gas Safe Communities
    Henry Schuver and Klara Crincoli Download Presentation Watch Video

  • Redfield as an Example of the Possibility of a Soil Gas Safe Community
    Chase Holton Download Presentation Watch Video

  • Example of a Potential Community for the Soil Gas Safe Community Project
    John Zimmerman Download Presentation Watch Video

  • EFFECTIVE COMMUNICATION: Increasing Participation in Communities with Vapor Intrusion Concerns
    Seun Akinlotan Download Presentation Watch Video

  • Engaging Communities in Vapor Intrusion Programs
    David Folkes Download Presentation Watch Video

  • First Panel Discussion - Soil Gas Safe Communities concepts and community involvement
    Lenny Siegel, Kelly Pennell, Alana Lee, Kelly Johnson Watch Video

  • Summary of Relevant Vapor Intrusion (VI) Indicator and Tracer (I&T) Research: Recently Completed, On-going & Planned
    Chris Lutes, AJ Kondash, Chase Holton Download Presentation Watch Video

  • Methods and Approach for Equivalent Protection Cost Effectiveness analysis of I&T vs. traditional sampling, screening & mitigation approaches
    AJ Kondash, Chris Lutes, Chase Holton Download Presentation Watch Video

  • Results and Interpretation of Sampling Strategy and Equivalent Protection Cost Effectiveness Analyses
    Chris Lutes, AJ Kondash, Chase Holton Download Presentation Watch Video

  • Second Panel Discussion - How might the results of the Equivalent Protection Cost Effectiveness analysis influence Soil Gas Safe Communities (SGSC) decision-making?
    Lenny Siegel, Kelly Pennell, Alana Lee, Kelly Johnson Watch Video

  • Soil Vapor Extraction (SVE) for VI Protectiveness Across Multiple Buildings
    Bo Stweart, Robert Truesdale, John Zimmerman, Brian Schumacher, Rebecca Connell, Rusty Harris-Bishop, Chris Lutes Download Presentation Watch Video

  • Update on Vapor Intrusion Standards and Credentialing Program
    Kyle Hoylman Download Presentation Watch Video

  • How Vapor Intrusion Data Measured by Communities and Supported by Regulators Can Create Soil Gas Safe Communities
    Henry Schuver Download Presentation Watch Video

  • How Communities with Their Own Evidence on Vapor Intrusion, and Support from Regulator-Scientists, Could Know if They are a Soil Gas Safe Community
    Brian Schumacher, John Zimmerman, and Alan Williams Download Presentation Watch Video

  • Third Panel Discussion - Open discussion focused on opinions, recommendations, and feedback
    Lenny Siegel, Kelly Pennell, Alana Lee, Kelly Johnson Watch Video

  • Agenda Download Agenda

  • Abstract Download Abstract

  • Presenter Bios Download Bios

  • Session video
    Watch Full Session Video

  • Welcome and Overview — Sponsors, IAVI website, key definitions
    Henry Schuver, EPA Office of Resource Conservation and Recovery Download Presentation Watch Video

  • State of the Problem — Review/update on current state and EPA guidance on sampling timing & temporal variability
    Laurent Levy, Jacobs Download Presentation Watch Video

  • Review of sampling confidence analyses based on two to four 24-hour samples in residential monitoring - results from Holton (2013), Lutes (2017), and Weinberg (2014)
    Chase Holton, Geosyntec Download Presentation Watch Video

  • New results from Navy/EPA study of an Industrial building with 18 months of high resolution indoor and subslab temporal variability data in multiple zones
    Chris Lutes, Jacobs Download Presentation Watch Video

  • Review of ITS concepts, fact sheets, and results regarding ITS prediction strength presented in previous workshops (including the 3 ways ITS can be used)
    Robert Truesdale, RTI Download Presentation Watch Video

  • Presentation of results of new sampling confidence analyses for multiple sites – comparing newly calculated performance metrics for seasonal versus ITS-guided sample times
    AJ Kondash, RTI; Chris Lutes, Jacobs; Chase Holton, Geosyntec Download Presentation Watch Video

  • EPA perspectives on Environmental Justice & Citizen Science, with ITS for temporal variability
    Henry Schuver, EPA ORCR Download Presentation

  • Panel Part 1: User perspectives on ITS and VI needs
    Invited discussants include communities, academics, State regulators, EPA regulators, consultants, and PRPs

  • Vapor intrusion assessment challenges and Environmental Justice
    Theresa Gabris, Geosyntec Download Presentation

  • EPA Perspectives on Environmental Justice & Citizen Science, with ITS for spatial variability (& an alternative Soil Gas Safe approach)
    Henry Schuver, ORCR Download Presentation

  • Panel Part 2: Bridges to practical implementation: community communication/Citizen Science/Environmental Justice
    Invited discussants include communities, academics, State regulators, EPA regulators, consultants, and PRPs

  • Review of available results from other EPA ORD CEMM studies:
    Large Buildings (VA site): Subslab sampling methods comparison, high volume sampling, etc.
    John H. Zimmerman, EPA ORD CEMM; Theresa Gabris, Geosyntec Download Presentation

    Large Buildings (AK site): Temporal variability in industrial and residential style buildings in a far northern climate (study design/preview, limited results)
    Brian Schumacher, EPA ORD CEMM; Chris Lutes, Jacobs Download Presentation

    Other ORD VI Research Efforts
    John Zimmerman, EPA ORD CEMM, Brian Schumacher, EPA ORD CEMM, Matt Plate, EPA R9 Download Presentation

Thanks to all who helped make the workshop a great success! Please check out the agenda and presentations, below.
 


RTI International


For more information, or to submit materials, please contact:
Robert Truesdale