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Workshops And Conferences
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00 Battelle Third International Symposium on Bioremediation and Sustainable Environmental Technologies, Miami
  
01 Indoor radon as an option for sustainable on-going screening/monitoring of short-term risks from low/episodic chlorinated vapor intrusion: Henry Schuver, U.S. EPA ORCR; D. Steck; B. Schumacher, EPA U.S. EPA ORD; C. Lutes, CH2M HILL, and R. Truesdale, RTI International

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01a - EPA/AEHS, 23 March 2015 - Workshop Part I: Long-Term Evidence-Based Protection & Sustainability
  
00. AGENDA - Vapor Intrusion (VI) Exposures: Long-Term Evidence-Based Protection & Sustainability in Residential, Commercial, and Industrial Buildings: NOTE: These workshop presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. View Details
  
00a. Workshop abstracts: in order of presentation

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00b. Workshop presenter bios: View Details
  
01. Welcome, opening, and overview (slides only): Doug Grosse, DWG Consultants View Details
  
01a. Welcome, opening, and overview (webinar recording - slides and audio): Doug Grosse, DWG Consultants View Details
  
02. Long-term evidence-based protection & sustainability - some concepts for our 2015 VI Workshop (slides only): Henry Schuver, U.S. EPA ORCR

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02a. Long-term evidence-based protection & sustainability - some concepts for our 2015 VI Workshop (webinar recording - slides and audio): Henry Schuver, U.S. EPA ORCR

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03a. Introduction - EPA technical updates (slides only): Robert Truesdale, RTI International

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03av. Introduction - EPA technical updates (webinar recording - slides and audio): Robert Truesdale, RTI International

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03b. Passive samplers for investigations of air quality (slides only): Heidi Hayes, Eurofins Air Toxics

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03bv. Passive samplers for investigations of air quality (webinar recording - slides and audio): Heidi Hayes, Eurofins Air Toxics

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04. Vapor intrusion pathway screening for soil excavation remedies (slides only): Helen Dawson, Geosyntec Consultants

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04a. Vapor intrusion pathway screening for soil excavation remedies (webinar recording - slides and audio): Helen Dawson, Geosyntec Consultants

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05. Soil vapor extraction: mitigation of vapor intrusion from subsurface sources over large areas (slides only): Lloyd "Bo" Stewart, Praxis Environmental

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05a. Soil vapor extraction: mitigation of vapor intrusion from subsurface sources over large areas (webinar recording - slides and audio): Lloyd "Bo" Stewart, Praxis Environmental

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06. A case for profiling of soil and rock at VI sites: total mass and mass flux as metrics supporting protective sustainable decisions (slides only): Dan Carr and David Shea, Sanborn, Head & Associates; Helen Dawson, Geosyntec Consultants

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06a. A case for profiling of soil and rock at VI sites: total mass and mass flux as metrics supporting protective sustainable decisions (webinar recording - slides and audio): Dan Carr and David Shea, Sanborn, Head & Associates; Helen Dawson, Geosyntec Consultants

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07. Mass transfer concepts in predicting VI: large building examples (slides only): David Shea, Brad Green, and Dan Carr, Sanborn, Head & Associates

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07a. Mass transfer concepts in predicting VI: large building examples (webinar recording - slides and audio): David Shea, Brad Green, and Dan Carr, Sanborn, Head & Associates

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08. ORD VI-research duplex and Wheeler Building, Indianapolis- summary of evidence to date: temporal variability in long-term mitigation performance and before mitigation: what causes it? (slides only): Chris Lutes, CH2MHill; Brian Schumacher, John Zimmerman, U.S. EPA ORD NERL; Robert Truesdale, RTI International

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08a. ORD VI-research duplex and Wheeler Building, Indianapolis- summary of evidence to date: temporal variability in long-term mitigation performance and before mitigation: what causes it? (webinar recording - slides and audio): Chris Lutes, CH2MHill; Brian Schumacher, John Zimmerman, U.S. EPA ORD NERL; Robert Truesdale, RTI International

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09. Diagnosing vapor intrusion occurrence, impact, and contributing pathways (slides only): Paul Johnson, Arizona State University

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09a. Diagnosing vapor intrusion occurrence, impact, and contributing pathways (webinar recording - slides and audio): Paul Johnson, Arizona State University

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10. Part I (01-09) question and answer period (webinar recording): Part I speakers address audience questions (slide not pertinent to discussions) View Details
  
11 - Poster Presentations: Posters presented Monday March 23rd View Details
  
12a. Summary of posters available for review and open discussion on breaks and in evening session. Poster mini-presentations by Hatton, Lutes, Lund, Truesdale, and Stewart (webinar recording - slides and audio): see below for poster titles, files, and mini-presentations  View Details
  
12b. A database of vapor intrusion characteristics of industrial buildings: are they different than single family residences? (poster): Christopher Lutes, Keri Hallberg, Loren Lund and Mike Novak CH2MHILL; Patricia Venable and Tanwir Chaudhry, NAVFAC EXWC; Ignacio Rivera-Duarte, SSC-Pa  ... View Details
  
12ba. A database of vapor intrusion characteristics of industrial buildings: are they different than single family residences? (mini-presentation; slides): Christopher Lutes, Keri Hallberg, Loren Lund, and Mike Novak, CH2MHill; Patricia Venable and Tanwir Chaudhry, NAVFAC EXWC; Ignacio Rivera-Duarte, SSC-  ... View Details
  
12c. A life cycle and cost analysis of preemptive mitigation, site characterization, and vapor source reduction strategies at industrial VI sites with multiple buildings (poster): Loren Lund, Chris Lutes, and John Lowe, CH2MHill

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12ca. A life cycle and cost analysis of preemptive mitigation, site characterization, and vapor source reduction strategies at industrial VI sites with multiple buildings (mini-presentation; slides): Dr. Loren Lund, Christopher Lutes, and John Lowe, CH2MHill

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12d. A real-time VOC sensor for vapor intrusion investigations: initial development and next research steps (poster): Li Han and Robert Truesdale, RTI International; Chris Lutes, CH2MHill

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12da. A real-time VOC sensor for vapor intrusion investigations: initial development and next research steps (mini-presentation, slides): Robert Truesdale and Li Han, RTI International; Christopher Lutes, CH2MHill

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12e. - Estimating mass flux to groundwater & vapor intrusion from SVE data and high resolution measures of permeability and concentration (poster): Dr. Lloyd 'Bo' Stewart, Praxis Environmental Technologies, Inc.

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12ea. Estimating mass flux to groundwater & vapor intrusion from SVE data and high resolution measures of permeability and concentration (mini-presentation, slides): Dr. Lloyd 'Bo' Steart, Praxis Environmental Technologies, Inc.

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12f. Remote monitoring and dynamic controls of a sub slab depressurization system (poster): Thomas Hatton and Daniel Nuzzetti, Clean Vapor, LLC

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12fa. Remote monitoring and dynamic controls of a sub slab depressurization system (mini-presentation, slides): Tom Hatton and Daniel Nuzzetti, Clean Vapor, LLC

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01b - EPA/AEHS, 23 March 2015 - Vapor Intrusion Workshop Panel Discussion
  
01. Vapor Intrusion Panel Discussion (webinar recording - slides and audio): Informal panel discussion including questions collected online and in-person View Details

01c - EPA/AEHS, 24 March 2015 - Workshop Part II: Long-Term Evidence-Based Protection & Sustainability
  
01. Welcome, opening, and overview (slides only): Doug Grosse, DWG Consultants; Dr. Henry Schuver, U.S. EPA ORCR View Details
  
01a. Welcome, opening, and overview (webinar recording - slides and audio): Doug Grosse, DWG Consultants; Dr. Henry Schuver, U.S. EPA ORCR View Details
  
02. Diagnostics commercial & residential (slides only): Tony McDonald, A-Z Systems

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02a. Diagnostics commercial & residential (webinar recording - slides and audio): Tony McDonald, A-Z Systems

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03. Soil vapor extraction and subslab depressurization work together for successful mitigation of a series of commercial buildings (slides only): Loren Lund, CH2MHill

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03a. Soil vapor extraction and subslab depressurization work together for successful mitigation of a series of commercial buildings (webinar recording - slides and audio): Loren Lund, CH2MHill

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04. ESTCP research on optimization of vapor intrusion mitigation systems in large military buildings (slides only): Todd McAlary, Geosyntec Consultants

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04a. ESTCP research on optimization of vapor intrusion mitigation systems in large military buildings (webinar recording - slides and audio): Todd McAlary, Geosyntec Consultants

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05. Vapor intrusion exposure: long-term evidence-based protection & sustainability: long-term stewardship survey of LTS programs (slides only): David Gillay, Barnes and Thornburg LLP

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05a. Vapor intrusion exposure: long-term evidence-based protection & sustainability: long-term stewardship survey of LTS programs (webinar recording - slides and audio): David Gillay, Barnes and Thornburg LLP

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06. Example application of long term stewardship for the chlorinated vapor intrusion pathway (and VOC sources) (slides only): Megan Hamilton, EnviroForensics

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06a. Example application of long term stewardship for the chlorinated vapor intrusion pathway (and VOC sources) (webinar recording - slides and audio): Megan Hamilton, EnviroForensics

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07. Residential building lifecycle cost evaluation for natural and controlled conditions (slides only): Ian Hers, Golder Associates

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07a. Residential building lifecycle cost evaluation for natural and controlled conditions (webinar recording - slides and audio): Ian Hers, Golder Associates

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08. Nonresidential building vapor intrusion lifecycle cost analysis (slides only): Chris Lutes, CH2MHill

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08a. Nonresidential building vapor intrusion lifecycle cost analysis (webinar recording - slides and audio): Chris Lutes, CH2MHill

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09. Communities and vapor intrusion risk management (slides only): Lenny Siegel, Center for Public Environmental Oversight

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09a. Communities and vapor intrusion risk management (webinar recording - slides and audio): Lenny Siegel, Center for Public Environmental Oversight

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10. Update on RMS-SF: Soil Gas Mitigation Standards for Existing Homes (slides only): Tony McDonald, A-Z Solutions View Details
  
10a. Update on RMS-SF: Soil Gas Mitigation Standards for Existing Homes (webinar recording - slides and audio): Tony McDonald, A-Z Solutions View Details
  
11. Closing remarks (webinar recording - slides and audio): Dr. Henry Schuver, U.S. EPA ORCR View Details

01d - API/AEHS, 24 March 2015 - Assessment and Evaluation of Vapor Intrusion at Petroleum Release Sites
  
Link to Workshop Presentations: American Petroleum Institute

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01e - AEHS, 25 March 2015, AM, San Diego - Petroleum Hydrocarbon Vapor Intrusion I (main conf., slides only)
  
01. Vapor intrusion litigation: Kevin C. Mayer, Crowell & Moring, LLP

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02. Speciation of C5-C12 aliphatic hydrocarbons and C6-C12 aromatic hydrocarbons using EPA 8260B for vapor intrusion risk assessment evaluations: Steve Jones, Jones Environmental, Inc.

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03. Comparative study of indoor air databases and the veracity of "background": Robin DeHate and Brian Skelly, GEI Consultants, Inc.

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04. Vapor intrusion of the lead scavenger 1,2-dichlorothane (EDC) at LUFT sites: Thomas Rejzek and Paul McCaw, Santa Barbara County Public Health Department

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05. Updating site conceptual models for potential sewer gas and vapor intrusion into indoor air from breached sewer conveyance systems: James A. Jacobs, Olivia P. Jacobs, Clearwater Group; Kelly Pennell, University of Kentucky

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06. Soil vapor reproducibility in duplicate and purge volume test samples: Suzie Nawikas, H&P Mobile Geochemistry, Inc.

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01f - AEHS, 25 March 2015, PM, San Diego - Petroleum Hydrocarbon Vapor Intrusion II (main conf., slides only)
  
07. Beyond the Guidance - the making of the ITRC PVI Guidance Document: Catherine Regan, ERM Boston; Matt Lahvis, Shell Houston

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08. Approach to determine when we have enough data to assess VI: Jackie Wright, Environmental Risk Sciences, Carlingford Court, NSW, Australia

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10. The effect of fluctuating pressure-driven flow on petroleum vapor intrusion: George DeVaull, Shell Oil Company, Houston, TX

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11. A Comparison of BioVapor and Johnson and Ettinger Model predictions to field data for multiple sites: Ian Hers and Parisa Jourabchi, Golder Associates, Vancouver, BC, Canada

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12. Evaluating purging and sampling methods to determine representativeness of soil vapor data: Robin V. Davis, Utah Department of Environmental Quality, Salt Lake City, UT

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13. Collection of vapor from MWs using small purge method - application to PVI and NSZD investigations: Robert E. Sweeney, Environmental & Petroleum Geochemistry

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01g. AEHS, 26 March 2015, San Diego - Vapor Intrusion (main conference, slides only)
  
01. Site-specific groundwater standards for the vapor intrusion pathway, Lowry Air Force Base off-site TCE plume: Helen Dawson and Jeff Kurtz, Geosyntec Consultants

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03. Continuous IA VOC monitoring: ramifications on soil gas & IA sampling & the TCE short-term issue: Blayne Hartman, Hartman Environmental Geoscience

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04. Application of passive sorbent techniques to the measurement of naphthalene in indoor air: Heidi Hayes, Eurofins Air Toxics

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05. The hybrid option for ongoing protection from shortterm risks with lowepisodic chemical vapor intrusion: Henry Schuver, U.S. EPA Office of Resource Conservation and Recovery

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04 - EnviroForensics & Barnes and Thornburg Webinar, 19 Nov 2014
  
01. What is the evidence for long term stewardship (LTS) (vs. stopping all monitoring [SAM]) for the vapor intrusion pathway?: Dr. Henry Schuver, U.S. EPA, ORCR

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05 - A&WMA Specialty Conference, 10-11 Sept 2014, Cherry Hill, NJ
  
01. What is the Evidence for Stopping All Monitoring? of the Vapor Intrusion Pathway: Dr. Henry Schuver, U.S. EPA, ORCR View Details

06 - EPA/AEHS, 17 March 2014 - Vapor Intrusion Stakeholder Forum
  
Summary: March 2014 Vapor Intrusion Stakeholder Forum: Lenny Siegel, Center for Public Environmental Oversight View Details
  
Video Recording: March 2014 Vapor Intrusion Stakeholder Forum: Lenny Siegel, Henry Schuver, et al. View Details

07 - EPA/AEHS, 18 March 2014 - Workshop: Long Term Stewardship of Vapor Intrusion Exposures
  
00. AGENDA - Vapor Intrusion (VI) Exposures: The Challenges of, Need for, and Benefits of Long Term Stewardship: NOTE: These workshop presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. View Details
  
00a. Workshop Presenter Bios: View Details
  
01. Welcome and history of EPA's VI workshops (slides only): Doug Grosse, Brian Schumacher, U.S. EPA ORD View Details
  
01a. Welcome and history of EPA's VI workshops (webinar recording - slides and audio): Doug Grosse, Brian Schumacher, U.S. EPA ORD View Details
  
02a. Dealing with TCE (a state perspective) (slides only): Paul Locke, MassDEP Bureau of Waste Site Cleanup View Details
  
02aa. Dealing with TCE (a state perspective) (webinar recording - slides and audio): Paul Locke, MassDEP Bureau of Waste Site Cleanup View Details
  
02b. TCE and vapor intrusion guidance - Region 9 update (slides only): Alana Lee, U.S. EPA Region 9 View Details
  
02ba. TCE and vapor intrusion guidance - Region 9 update (webinar recording - slides and audio): Alana Lee, U.S. EPA Region 9 View Details
  
02c. Memorandum: OEA recommendations regarding trichloroethylene toxicity in human health risk assessments (memo only): Marcia Bailey, U.S. EPA Region 10 View Details
  
03. Overview of long term stewardship - a perspective for today's workshop (slides only): Henry Schuver, U.S. EPA ORCR View Details
  
03a. Overview of long term stewardship - a perspective for today's workshop (webinar recording - slides and audio): Henry Schuver, U.S. EPA ORCR View Details
  
04. Four winters of continuous vapor intrusion monitoring in Indianapolis - Temporal variability in indoor air (slides only): Chris Lutes, Brian Cosky, ARCADIS Inc.; Brian Schumacher, John Zimmerman, U.S. EPA NERL; Robert Truesdale, Robert Norberg, RTI International View Details
  
04a. Four winters of continuous vapor intrusion monitoring in Indianapolis - Temporal variability in indoor air (webinar recording - slides and audio): Chris Lutes, Brian Cosky, ARCADIS Inc.; Brian Schumacher, John Zimmerman, U.S. EPA NERL; Robert Truesdale, Robert Norberg, RTI International View Details
  
05. Lessons-learned from four years of intensive monitoring of a house over a dilute chlorinated hydrocarbon plume (slides only): Paul Johnson, Chase Holton, Yuanming Guo, Paul Dahlen, Emma Luo, Arizona State University; Kyle Gorder, Erik Dettenmaier, Hill AFB (Chevron) View Details
  
05a. Lessons-learned from four years of intensive monitoring of a house over a dilute chlorinated hydrocarbon plume (webinar recording - slides and audio): Paul Johnson, Chase Holton, Yuanming Guo, Paul Dahlen, Emma Luo, Arizona State University; Kyle Gorder, Erik Dettenmaier, Hill AFB (Chevron) View Details
  
06. Long term radon predicted from shorter term measurements - Implications for long term stewardship of contaminated sites (slides only): Dan Steck, St. John's University View Details
  
06a. Long term radon predicted from shorter term measurements - Implications for long term stewardship of contaminated sites (webinar recording - slides and audio): Dan Steck, St. John's University View Details
  
07. Evidence from large multi-family and commercial buildings (slides only): Chris Lutes, Robert Uppencamp, Brian Cosky, Nadine Weinberg, Chris Engler, Rachel Saari, ARCADIS Inc.; Kyle Hoylman, Protect Environmental View Details
  
07a. Evidence from large multi-family and commercial buildings (webinar recording - slides and audio): Chris Lutes, Robert Uppencamp, Brian Cosky, Nadine Weinberg, Chris Engler, Rachel Saari, ARCADIS Inc.; Kyle Hoylman, Protect Environmental View Details
  
08. Summary of evidence from "data-rich" studies and the challenges of using low-density monitoring data for vapor intrusion control (slides only): Chris Lutes, ARCADIS Inc.; Paul Johnson, Arizona State University; Robert Truesdale, RTI International View Details
  
08a. Summary of evidence from "data-rich" studies and the challenges of using low-density monitoring data for vapor intrusion control (webinar recording - slides and audio): Chris Lutes, ARCADIS Inc.; Paul Johnson, Arizona State University; Robert Truesdale, RTI International View Details
  
09. Layering institutional controls - Region 9 example (slides only): Alana Lee, U.S. EPA Region 9 View Details
  
09a. Layering institutional controls - Region 9 example (webinar recording - slides and audio): Alana Lee, U.S. EPA Region 9 View Details
  
10. MassDEP regulatory requirements for LTS at vapor intrusion sites (slides only): Paul Locke, MassDEP Bureau of Waste Site Cleanup View Details
  
10a. MassDEP regulatory requirements for LTS at vapor intrusion sites (webinar recording - slides and audio): Paul Locke, MassDEP Bureau of Waste Site Cleanup View Details
  
11. Legal and institutional controls: requirements for long term O&M and monitoring (slides only): David Gillay, Barnes & Thornburg LLP View Details
  
11a. Legal and institutional controls: requirements for long term O&M and monitoring (webinar recording - slides and audio): David Gillay, Barnes & Thornburg LLP View Details
  
12. Sub-slab depressurization (SSD): highlights and hurdles in EPA New England (slides only): Jim DiLorenzo, U.S. EPA Region 1 View Details
  
12a. Sub-slab depressurization (SSD): highlights and hurdles in EPA New England (webinar recording - slides and audio): Jim DiLorenzo, U.S. EPA Region 1 View Details
  
13. Long term stewardship through engineering controls: 16 year case history (slides only): Dave Folkes, Jeff Kurtz, Geosyntec Consultants, Inc. View Details
  
13a. Long term stewardship through engineering controls: 16 year case history (webinar recording - slides and audio): Dave Folkes, Jeff Kurtz, Geosyntec Consultants, Inc. View Details
  
14. AARST vapor intrusion mitigation credential and standards (slides only): Tony McDonald, A-Z Solutions, Inc.; Kyle Hoylman, Protect Environmental View Details
  
14a. AARST vapor intrusion mitigation credential and standards (webinar recording - slides and audio): Tony McDonald, A-Z Solutions, Inc.; Kyle Hoylman, Protect Environmental View Details
  
15. ESTCP research for improving the effectiveness, efficiency and sustainability of mitigation (slides only): Todd McAlary, Geosyntec Consultants, Inc. View Details
  
15a. ESTCP research for improving the effectiveness, efficiency and sustainability of mitigation (webinar recording - slides and audio): Todd McAlary, Geosyntec Consultants, Inc. View Details
  
16. Telemetric management and monitoring of vapor intrusion mitigation systems (slides only): Thomas Hatton, Clean Vapor LLC View Details
  
16a. Telemetric management and monitoring of vapor intrusion mitigation systems (webinar recording - slides and audio): Thomas Hatton, Clean Vapor LLC View Details
  
17 - Applying information technology for stewardship of groundwater contamination plumes (link to youtube video only): Bob Wenzlau, Terradex View Details
  
17a. Applying information technology for stewardship of groundwater contamination plumes (webinar recording - slides and audio): Bob Wenzlau, Terradex View Details
  
18. Report from vapor intrusion stakeholder forum: stakeholders and long-term management (slides only): Lenny Siegel, Center for Public Environment Oversight View Details
  
18a. Report from vapor intrusion stakeholder forum: stakeholders and long-term management (webinar recording - slides and audio): Lenny Siegel, Center for Public Environment Oversight View Details
  
19. Documenting the benefits of [regulatory-PRP-community] efforts to control VI (slides only): Henry Schuver, U.S. EPA ORCR; Robert Truesdale, RTI International View Details
  
19a. Documenting the benefits of [regulatory-PRP-community] efforts to control VI (webinar recording - audio only): Henry Schuver, U.S. EPA ORCR; Robert Truesdale, RTI International. Note: The audio is for presentation 19 while the video shows the title slide for pr  ... View Details
  
20. Collateral benefits of active soil depressurization for VI mitigation (slides only): William Angell, University of Minnesota View Details
  
20a. Collateral benefits of active soil depressurization for VI mitigation (webinar recording - slides and audio): William Angell, University of Minnesota View Details
  
21. Panel discussion starter: balancing criteria for selecting long term stewardship controls for VI - How can we verify that we are 95% confident of protectiveness? (slides only): Chris Lutes, ARCADIS Inc. View Details
  
21a. Panel discussion starter: balancing criteria for selecting long term stewardship controls for VI - How can we verify that we are 95% confident of protectiveness? (webinar recording - slides and audio): Chris Lutes, ARCADIS Inc. View Details
  
22. Life-cycle cost analysis for LTS under natural and controlled conditions - panel discussion starter (slides only): Dr. Ian Hers, Golder Associates Ltd. View Details
  
22a. Life-cycle cost analysis for LTS under natural and controlled conditions - panel discussion starter (webinar recording - slides and audio): Dr. Ian Hers, Golder Associates Ltd. View Details
  
23. Panel discussion - What does the evidence suggest is needed to provide long-term stewardship that is: long-lasting/sustainable/optimized? (slides only): Dave Folkes, Jeff Kurtz, Todd McAlary, Geosyntec Consultants View Details
  
23a. Panel discussion - What does the evidence suggest is needed to provide long-term stewardship that is: long-lasting/sustainable/optimized?: Dave Folkes, Jeff Kurtz, Todd McAlary, Geosyntec Consultants View Details
  
24. Least disruptive/most beneficial for occupants, owners, and communities (audio only): Lenny Siegel, Center for Public Environmental Oversight (CPEO) View Details
  
25. "Promptly" implementable and continuous (audio only): Alana Lee, U.S. EPA Region 9 View Details
  
26. Panel Discussion Questions and Answers (audio only): View Details

07a - AEHS, 19 March 2014, San Diego - API PVI Workshop: Recent Developments in the Evaluation of PVI
  
00. Agenda - Recent Developments in the Evaluation of Vapor Intrusion at Petroleum Release Sites: agenda, presenters, contacts View Details
  
01. Methods for developing and applying screening criteria for the petroleum vapor intrusion pathway: Robin Davis, Utah Department of Environmental Quality View Details
  
02. Vapor intrusion risk pathway: latest regulatory updates: Blayne Hartman, Hartman Environmental Geochemistry View Details
  
03. PVI risk pathway: sampling and analytical issues: Blayne Hartman, Hartman Environmental Geochemistry View Details
  
04. PVI conceptual model: G. Todd Ririe, BP View Details

07b - AEHS, 19 March 2014, San Diego - Petroleum Hydrocarbon Vapor Intrusion I & II (main conf., slides only)
  
01. Evaluation of VI data relative to separation distance - a Michigan case study: Chris Mulry, GES, Inc. View Details
  
02. Ensuring occupational worker safety at vapor intrusion sites: Shukla Roy-Semmen, Department of Toxic Substances Control, California Environmental Protection Agency View Details
  
03. Recent regulatory issues & results from several EPA sites: ramifications on soil gas and IA sampling: Blayne Hartman, Hartman Environmental Geoscience View Details
  
04. Unexpected sources of petroleum hydrocarbons and chlorinated solvents in indoor air: Suzie Nawikas, H&P, Inc. View Details
  
06. Mitigation - What are the differences between PVI and VI?: Bill Morris, Vapor Mitigation Services, LLC View Details
  
07. Screening tools for assessing the petroleum vapor intrusion pathway: vertical screening distance can be applied in lateral direction: Robin Davis, Utah Department of Environmental Quality View Details
  
09. A rational approach to methane hazard assessment: John Sepich, Brownfield Subslab; Stephen Marsh, McKenna Long & Aldridge View Details
  
10. Vapor intrusion of methane - the challenge of low-risk sites: George DeVaull, Shell Global Solutions US, Inc. View Details
  
11. CO2 flux measurements to estimate natural source zone depletion - state of the practice and method validation using modeling: Ian Hers, Golder Associates Ltd. View Details
  
12. Use of temperature to determine relative rate of biodegradation in the vadose zone: G. Todd Ririe, BP View Details
  
13. Using temperature measurements in conjunction with aerobic biodegradation models: Robert E. Sweeney, Environmental & Petroleum Geochemistry View Details

09 - EPA/AEHS, 18 March 2013 - Vapor Intrusion Stakeholder-Involvement Forum
  
00 - Agenda: NOTE: These forum presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. View Details
  
00a - !Webinar recording (slides and audio): This is a movie that combines the audio and slides for the entire Stakeholders' Forum.   NOTE: These forum presentations represe  ... View Details
  
01. Welcome and introduction: Henry Schuver, U.S. EPA OSWER     NOTE: This presentation represents the presenter's perspectives and should not be constru  ... View Details
  
02. Pompton Lakes, NJ: Lisa Riggiola    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA de  ... View Details
  
03. Dracut, MA: Rich Cowan    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA  ... View Details
  
04. San Antonio, TX: Robert Alvarado    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent  ... View Details
  
05. Ithaca, NY: Ken Deschere    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA det  ... View Details
  
06. Asheville, NC: Lisa Baldwin;    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA  ... View Details
  
07. Mountain View, CA: Jane Horton   NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA deter  ... View Details
  
08. Watertown, NY: Andy Williams    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA de  ... View Details
  
09. Palo Alto, CA: Bob Moss   NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA determin  ... View Details
  
10. Asheville, NC: Dave Ogren    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent EPA d  ... View Details
  
10a. Harlem, NY: Albert Elkerson    NOTE: This presentation represents the presenter's perspectives and should not be construed to represen  ... View Details
  
11. Notification principles for vapor intrusion investigations: Lenny Siegel, Center for Public Environmental Oversight (CPEO)    NOTE: This presentation represents the presenter's perspective  ... View Details
  
12. The need for continuous indoor air monitoring: Lenny Siegel, CPEO    NOTE: This presentation represents the presenter's perspectives and should not be construed to represent E  ... View Details

10 - EPA/AEHS, 19 March 2013, San Diego - Workshop: Looking Beyond Natural Variation in Vapor Intrusion
  
0 - Workshop Agenda - Looking Beyond Natural Variation in Vapor Intrusion: NOTE: These workshop presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. View Details
  
00a - Workshop Abstracts: View Details
  
00b - Workshop Presenter Bios: View Details
  
01. Welcome and history of EPA's VI workshops (slides only): Doug Grosse, Brian Schumacher, U.S. EPA ORD View Details
  
01a. Welcome and history of EPA's VI workshops (webinar recording - slides and audio): Doug Grosse, Brian Schumacher, U.S. EPA ORD View Details
  
02. U.S. EPA update: VI guidance status and other updates (slides only): Rich Kapusinski and Helen Dawson, U.S. EPA OSWER View Details
  
02a. U.S. EPA update: VI guidance status and other updates (webinar recording - slides and audio): Rich Kapusinski and Helen Dawson, U.S. EPA OSWER View Details
  
03. Setting the stage - our challenge: effective protection strategies, and a perspective on evaluating VI evidence (slides only): Henry Schuver, U.S. EPA OSWER View Details
  
03a. Setting the stage - our challenge: effective protection strategies, and a perspective on evaluating VI evidence (webinar recording - slides and audio): Henry Schuver, U.S. EPA OSWER View Details
  
04. Indoor air and soil gas temporal variability effects on sampling strategies: evidence from controlled and uncontrolled conditions in an Indianapolis duplex (slides only): Brian Schumacher, John Zimmerman, U.S. EPA ORD; Chris Lutes, ARCADIS; Robert Truesdale, RTI International View Details
  
04a. Indoor air and soil gas temporal variability effects on sampling strategies: evidence from controlled and uncontrolled conditions in an Indianapolis duplex (webinar recording - slides and audio): Brian Schumacher, John Zimmerman, U.S. EPA ORD; Chris Lutes, ARCADIS; Robert Truesdale, RTI International View Details
  
05. Multi-Year monitoring of a house over a dilute CHC plume: implications for pathway assessment using indoor air sampling and forced under-pressurization tests (slides only): Paul Johnson, Arizona State University View Details
  
05a. Multi-Year monitoring of a house over a dilute CHC plume: implications for pathway assessment using indoor air sampling and forced under-pressurization tests (webinar recording - slides and audio): Paul Johnson, Arizona State University View Details
  
06. Comparison of Sun Devil and Indianapolis studies (slides only): Robert Truesdale, RTI International; Chris Lutes, ARCADIS; Paul Johnson, Arizona State University View Details
  
06a. Comparison of Sun Devil and Indianapolis studies (webinar recording - slides and audio): Robert Truesdale, RTI International; Chris Lutes, ARCADIS; Paul Johnson, ASU; also open discussion from morning sessions View Details
  
07. Focus on spatial variability: building-to-building differences in indoor air concentrations from several sites with a large number of buildings (slides only): Todd McAlary, Geosyntec Consultants View Details
  
07a. Focus on spatial variability: building-to-building differences in indoor air concentrations from several sites with a large number of buildings (webinar recording - slides and audio): Todd McAlary, Geosyntec Consultants View Details
  
08. Vapor intrusion across space and time: a pilot community study in San Antonio (slides only): Jill Johnston, University of North Carolina View Details
  
08a. Vapor Intrusion across space and time: a pilot community study in San Antonio (webinar recording - slides and audio): Jill Johnston, University of North Carolina View Details
  
09. Focus on temporal variability: analysis of long-term unmitigated data from apartment buildings at CDOT MTL site and single family homes at the Redfield site (slides only): Jeff Kurtz, Dave Folkes, EnviroGroup Limited View Details
  
09a. Focus on temporal variability: analysis of long-term unmitigated data from apartment buildings at CDOT MTL site and single family homes at the Redfield site (webinar recording - slides and audio): Jeff Kurtz, Dave Folks, EnviroGroup Limited View Details
  
10. Characterizing variability in indoor air concentrations at vapor intrusion sites (slides only): Helen Dawson, Office of Superfund Remediation and Technology Innovation, OSWER View Details
  
10a. Temporal measures of variability in indoor air concentrations arising from VI in multiple buildings at multiple sites (webinar recording - slides and audio): Helen Dawson, U.S. EPA OSWER; Also open discussion of afternoon sessions View Details
  
11. Related evidence from radon VI studies from buildings across the U.S and the world (slides only): Dan Steck, Schaefer Environmental Radiation Laboratory at St. John's University View Details
  
11a. Related evidence from radon VI studies from buildings across the U.S and the world (webinar recording - slides and audio): Dan Steck, Schaefer Environmental Radiation Laboratory at St. John's University View Details
  
12. Report out from the Stakeholders' Forum - held 3/18/13 (slides only): Lenny Siegel, Center for Public Environmental Oversight (CPEO) View Details
  
12a. Report out from the Stakeholders' Forum - held 3/18/13 (webinar recording - slides and audio): Lenny Siegel, Center for Public Environmental Oversight (CPEO) View Details
  
13. Panel Discussion: Three questions posed to the expert panel. View Details
  
13a. Panel Discussion - Part I - Effective Sampling Strategies: Paul Johnson, ASU; Helen Dawson, U.S. EPA; Dan Carr, Sanborn | Head View Details
  
13b. Panel Discussion - Part II - Effective Protection Strategies: Henry Schuver, Alana Lee, U.S. EPA; Dave Folkes, EnviroGroup; Lenny Siegel, CPEO View Details
  
13c. Panel Discussion - Part III - Research Needs: Todd McAlary, Geosyntec; Chris Lutes, ARCADIS; Jeff Kurtz, EnviroGroup View Details
  
13w. Panel Discussion Webinar Recording (slides and audio): Slides and audio for the entire panel discussion. View Details

11 - AEHS, 20 March 2013, San Diego - Petroleum Hydrocarbon Vapor Intrusion I & II (main conf., slides only)
  
01. The myth behind the use of helium as a tracer gas for leak detection on soil gas sample collection projects: Steve Jones, Jones Environmental, Inc. View Details
  
02. Soil gas sampling: evaluation of leak check procedures: Suzie Nawikas, Dave Balkenbush, H&P Mobile Geochemistry, Inc. View Details
  
03. Innovative Continuous Soil Gas/Vapour Measurement and Improved Risk Assessment: Peter Morris and Geoff Hewitt, Ion Science View Details
  
04. Use of crawl space sampling data and other lines of evidence for evaluating vapor intrusion: C.Y. Jeng and William Bosan, Human and Ecological Risk Office, California EPA DTSC View Details
  
05. Analysis and interpretation of time-variable vapor intrusion data: pressure driven flow across building foundations: George DeVaull, Shell Global Solutions View Details
  
06. TPH methods and measurements in U.S. EPA's petroleum vapor intrusion (PVI) database: Robert Truesdale, RTI International; Heidi Hayes, Eurofins Air Toxics; Ian Hers, Golder Associates View Details
  
07. Documenting an aerobic transition layer to delineate vapor intrusion risk at a petroleum hydrocarbon release site: Robert O'Laskey, James W. Babcock, Elisabeth Hawley, Jennifer Hilario, ARCADIS View Details
  
08. The role of methanogenesis in PVI evaluation at sites with large LNAPL plumes: Shankar Subramanian, URS Corporation; Robert Sweeney, EPG; David Tsao, BP America View Details
  
09. Effect of ethanol biodegradation on soil gas advection and oxygen demand: modeled results for aerobic and methanogenic conditions: Ian Hers, Parisa Jourabachi, Golder Associates; George DeVaull, Shell Global Solutions View Details
  
10. Screening distances for petroleum vapor intrusion risk assessment: Matthew Lahvis, Shell Oil Company View Details
  
11. Australian PVI Guidance: Jackie Wright, EnRiskS View Details
  
13. Empirical data to evaluate the occurrence of sub-slab O2 depletion shadow at petroleum hydrocarbon-impacted vapor intrusion sites: Ravi Kolhatkar, Emma Hong Luo, Tom Peargin, Chevron Energy Technology Company View Details
  
14. Comparison between biodegradation model predictions and field data from PVI databases: Robert E. Sweeney, EPG; Jackie Wright, EnRiskS View Details

12 - AEHS, 21 March 2013, San Diego - Vapor Intrusion (main conference, slides only)
  
01. Evaluation of selected environmental factors at a vapor intrusion study site: Chase Holton, Hong Luo, Yuanming Guo, Paul Dahlen, Kyle Gorder, Erik Dettenmaier, Paul C. Johnson; Arizona State University View Details
  
02. Determination of polychlorinated biphenyls in soil vapor using EPA Method TO-17: Heidi Hayes, Jason Arnold, and Diane Benton; Eurofins Air Toxics View Details
  
03. Fan longevity and performance for long-term VOC reduction at the Redfield site: Jeff Kurtz, EnviroGroup Limited View Details
  
04. Addressing action decisions for long and short term chlorinated vapor intrusion exposures: Rod Thompson; Risk Options, LLC View Details
  
05. New techniques for assessing the age, location and VI potential of VOC source areas beneath buildings: Craig Cox, Cox-Colvin & Associates, Inc. View Details
  
06. A summary of recent vapor intrusion projects by EPA-ORD/NERL: Blayne Hartman, Hartman Environmental Geoscience View Details

 



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