Recent Events:
EPA's 2023 State of VI Science Workshop Session #4 at AEHS West: Selecting Sampling Strategies for Efficient & Economical
Vapor Intrusion Site Assessment & Long‐Term Management forming Soil Gas Safe Communities
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- Introduction: Verifying Cleanups Near Receptors
Henry Schuver
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- Agenda and Workshop Themes/Goals
Brian Schumacher
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- State and Regional Vapor Intrusion Site Assessment Guidance [As of Fall 2022]
Chris Lutes and Laurent Levy
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- Why go
above and beyond to collect defensible VI data? Theresa Gabris
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- Sampling Strategy Performance: Daily and Weekly Durations: Comparing Random, Seasonal and Indicator‑ & Tracer‐Guided
Chris Lutes, AJ Kondash, and Chase Holton
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- Panel Discussion: Nature and severity of the problem
Moderated by Alana Lee
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- Vapor Intrusion Assessment with Different Foundation Types
Hong (Emma) Luo
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- 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
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- ORD Vapor Intrusion Research Projects Update
John Zimmerman, Alan Williams, and Brian Schumacher
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- 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
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- Panel Discussion: Do we have a better way of site assessment and site management?
Moderated by Alana Lee
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- 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
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- Why Does the Radon Tracer Not Work All the Time?
Chris Lutes and Chase Holton
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- Understanding relationships between indicators & tracers and vapor intrusion: Dynamic multivariate time series regressions
Riley Mulhern, Chris Lutes, Chase Holton, and AJ Kondash
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- Soil Vapor Extraction (SVE) as a Tool for Soil Gas Management in Neighborhoods
Bo Stewart, Chris Lutes, AJ Kondash, John Zimmerman, and Brian Schumacher
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- Economic Analyses of Long‐Term Stewardship: Balancing Investigation, Mitigation, and Remediation Decisions
Chris Lutes, Elsy Escobar, Bo Stewart
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- Long‐term Stewardship of Residential Mitigation Systems by Radon Monitoring: Empowering Homeowners to Help Ensure Continued Mitigation System Performance
Dave Folkes
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- Panel Discussion: Do we have a better way of long‐term stewardship?
Moderated by Chase Holton
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- Open Discussion: Can we see consensus on path forward on improved implementation?
Moderated by AJ Kondash
- Closing Remarks
Henry Schuver
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The association of Vapor Intrusion Professionals 1st Annual Vapor Intrusion Conference
- Field Testing Soil Gas [Vapor] Safe Communities Approach for Vapor Intrusion (VI) Assessment & Management
Henry Schuver Brian Schumacher, John Zimmerman
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EPA's 2022 State of VI Science Workshop Session #10 at AEHS: How Vapor Intrusion Data Measured by Communities and
Supported by Regulators can Create Soil Gas Safe Communities
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- 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
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- Redfield as an Example of the Possibility of a Soil Gas Safe Community
Chase Holton
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- Example of a Potential Community for the
Soil Gas Safe Community Project John Zimmerman
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- EFFECTIVE COMMUNICATION: Increasing Participation in Communities with Vapor Intrusion Concerns
Seun Akinlotan
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- Engaging Communities in Vapor Intrusion Programs
David Folkes
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- First Panel Discussion -
Soil Gas Safe Communities concepts and community involvement Lenny Siegel, Kelly Pennell, Alana Lee, Kelly Johnson
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- Summary of Relevant Vapor Intrusion (VI) Indicator and Tracer (I&T) Research: Recently Completed, On-going & Planned
Chris Lutes, AJ Kondash, Chase Holton
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- Methods and Approach for Equivalent Protection Cost Effectiveness analysis of I&T vs. traditional sampling, screening & mitigation approaches
AJ Kondash, Chris Lutes, Chase Holton
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- Results and Interpretation of Sampling Strategy and Equivalent Protection Cost Effectiveness Analyses
Chris Lutes, AJ Kondash, Chase Holton
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- 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
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- 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
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- Update on Vapor Intrusion Standards and Credentialing Program
Kyle Hoylman
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- How Vapor Intrusion Data Measured by Communities and Supported by Regulators Can Create
Soil Gas Safe Communities Henry Schuver
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- 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
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- Third Panel Discussion - Open discussion focused on opinions, recommendations, and feedback
Lenny Siegel, Kelly Pennell, Alana Lee, Kelly Johnson
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EPA's 2021 State of VI Science Workshop Session at AEHS: Reducing Vapor Intrusion Uncertainties by More Frequent Simple
Measurements and Community Involvement, Monday, March 22
- Agenda Download Agenda
- Abstract Download Abstract
- Presenter Bios
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- Session video
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- Welcome and Overview — Sponsors, IAVI website, key definitions
Henry Schuver, EPA Office of Resource Conservation and Recovery
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- State of the Problem — Review/update on current state and EPA guidance on sampling timing & temporal variability
Laurent Levy, Jacobs
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- 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
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- 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
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- 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
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- 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
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- EPA perspectives on Environmental Justice & Citizen Science, with ITS for temporal variability
Henry Schuver, EPA ORCR
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- 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
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- EPA Perspectives on Environmental Justice & Citizen Science, with ITS for spatial variability (& an alternative
Soil Gas Safe approach) Henry Schuver, ORCR
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- 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
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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
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Other ORD VI Research Efforts
John Zimmerman, EPA ORD CEMM, Brian Schumacher, EPA ORD CEMM, Matt Plate, EPA R9
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Past Events:
EPA's 2020 Vapor Intrusion Workshop: Why You Should Monitor Indoor Radon, Differential Temperature, and Pressure
During Chlorinated Vapor Intrusion Assessments, Tuesday, March 17
- Agenda Download Agenda
- How to use GoToWebinar
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- Acronyms List
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- Presenter Bios
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- Fact Sheets
Download Temperature Measurement Fact Sheet
Download Pressure Measurement Fact Sheet
Download Radon Methods Fact Sheet
- Welcome, agenda, and current state of indicators, tracers, and surrogates (ITS)
Robert Truesdale, RTI International
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- ITS guidance from federal agencies, states, etc
Loren Lund, Jacobs
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- Why you should continuously monitor indoor radon, differential temperature, and pressure during chlorinated VI assessments
Henry Schuver, U.S. EPA
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- New modes of analysis and new building observations for quantitative correlations
Chris Lutes, Jacobs
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- Quantitative correlations observed and tested - Moffett Field
Chris Lutes, Jacobs and AJ Kondash, RTI International
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- Quantitative correlations observed and tested - VA Site A
Keri Hallberg, Jacobs and Loren Lund, Jacobs
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- Quantitative correlations observed and tested - Multiple commercial buildings
Mark Kram, Groundswell
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- Quantitative correlations observed and tested - Gaffney
Chris Lutes, Jacobs and AJ Kondash, RTI International
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- Quantitative correlations observed and tested - EPA Indianapolis duplex
Chris Lutes, Jacobs and AJ Kondash, RTI International
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- Quantitative correlations observed and tested - Sun Devil Manor
Chase Holton, Geosyntec
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- ITS applications - High frequency geospatial chemical and physical monitoring to understand VI controlling factors
Mark Kram, Groundswell
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- ITS applications - Triggered or event-based sampling approaches for VI assessment
Chase Holton, Geosyntec
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- ITS applications - Retrospective interpretation of regularly scheduled short-term CVOC samples using longer-term ITS distributions for context
Henry Schuver, U.S. EPA
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- Spatial applications in initial building and sampling location screening
Chris Lutes, Jacobs
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- Putting spatial and temporal variation together (VA Site A and EID cases)
Keri Hallberg, Jacobs and Loren Lund, Jacobs
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- Region 5 preferential pathways study - short term continuous monitoring
Bhooma Sundar, U.S. EPA
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- Region 9 ORD preferential pathways study - preliminary findings
Brian Schumacher, U.S. EPA
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- Does the evidence support a recommendation to measure ITS
Henry Schuver, U.S. EPA
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- Initial site screening - selecting buildings for large plumes and large sites
Chris Lutes, Jacobs
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- Addressing temporal variability with ITS metrics
Chase Holton, Geosyntec
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- Does the evidence support the development of a peer-reviewed standard methodology for ITS measurements and use
Henry Schuver, U.S. EPA
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October 22, 2019: US EPA Workshop on: Measurement-Based Methods for Protective & Defensible
Chlorinated VI Exposure Determinations
Thanks to all who helped make the workshop a great success! Please check out the agenda and presentations, below.
- Agenda Download Agenda
- Introduction, Regulatory Context and Quantitative Confidence
Henry Schuver, EPA
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- Methods for Measuring Temperature, Pressure and Radon: What, Where, When, and How?
Chris
Lute, Jacobs
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- New and Currently Available Instruments, Including Multiple Sensor and Triggered-Sampling
Systems
Chase Holton, Geosyntec
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- Case Study Presentations in a National Context
Chris Lutes, Jacobs; Chase Holton,
Geosyntec
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- Vapor Intrusion Indicators, Tracers, and Temporal Variability of cVOCs in Industrial
Buildings
Loren
Lund, Jacobs
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- DoD VA Site B
Alan Rosner, Clarkson University
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- Quantifiable Building and Environmental Factors Influencing Vapor Intrusion
David
Barnes, University
of Alaska Fairbanks
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- MEW/Moffett Field Buildings 15 and 17 - A Review of Multiple Published Studies
Chris
Lutes, Jacobs
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- CRREL - Mitigation Monitoring & Temporal Trends at a Large TCE site, Hanover, NH
Jay
Claussen, CRREL
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- Review of the North Island Site, San Diego, CA
Chase Holton, Geosyntec
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- Spatial & Temporal Variability in PCE & Radon Concentrations at a Large Commercial Facility in
Southeastern
Wisconsin
Tony Miller, Gannett Fleming
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- Wheeler and SEND Buildings in Indianapolis - Radon and Differential Pressure Data in VOC Site
Management
Chris Lutes, Jacobs
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- Evaluating and Assessing Radon Testing in Housing (EARTH) Study Update
Kyle Hoylman,
Protect
Environmental
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- Review of the Redfields Site, Denver, CO
Chase Holton, Geosyntec
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