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Workshops And Conferences
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01 - EPA/AEHS, 17 March 2014 - Vapor Intrusion Stakeholder Forum
  
Summary: March 2014 Vapor Intrusion Stakeholder Forum: Lenny Siegel, Center for Public Environmental Oversight

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Video Recording: March 2014 Vapor Intrusion Stakeholder Forum: Lenny Siegel, Henry Schuver, et al.

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02 - 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

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01a. Welcome and history of EPA's VI workshops (webinar recording - slides and audio): Doug Grosse, Brian Schumacher, U.S. EPA ORD

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02a. Dealing with TCE (a state perspective) (slides only): Paul Locke, MassDEP Bureau of Waste Site Cleanup

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02aa. Dealing with TCE (a state perspective) (webinar recording - slides and audio): Paul Locke, MassDEP Bureau of Waste Site Cleanup

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02b. TCE and vapor intrusion guidance - Region 9 update (slides only): Alana Lee, U.S. EPA Region 9

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02ba. TCE and vapor intrusion guidance - Region 9 update (webinar recording - slides and audio): Alana Lee, U.S. EPA Region 9

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02c. Memorandum: OEA recommendations regarding trichloroethylene toxicity in human health risk assessments (memo only): Marcia Bailey, U.S. EPA Region 10

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03. Overview of long term stewardship - a perspective for today's workshop (slides only): Henry Schuver, U.S. EPA ORCR

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03a. Overview of long term stewardship - a perspective for today's workshop (webinar recording - slides and audio): Henry Schuver, U.S. EPA ORCR

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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

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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

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04b. 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

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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)

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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)

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05b. 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)

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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

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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

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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

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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

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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

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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

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09. Layering institutional controls - Region 9 example (slides only): Alana Lee, U.S. EPA Region 9

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09a. Layering institutional controls - Region 9 example (webinar recording - slides and audio): Alana Lee, U.S. EPA Region 9

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10. MassDEP regulatory requirements for LTS at vapor intrusion sites (slides only): Paul Locke, MassDEP Bureau of Waste Site Cleanup

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10a. MassDEP regulatory requirements for LTS at vapor intrusion sites (webinar recording - slides and audio): Paul Locke, MassDEP Bureau of Waste Site Cleanup

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11. Legal and institutional controls: requirements for long term O&M and monitoring (slides only): David Gillay, Barnes & Thornburg LLP

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11a. Legal and institutional controls: requirements for long term O&M and monitoring (webinar recording - slides and audio): David Gillay, Barnes & Thornburg LLP

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12. Sub-slab depressurization (SSD): highlights and hurdles in EPA New England (slides only): Jim DiLorenzo, U.S. EPA Region 1

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12a. Sub-slab depressurization (SSD): highlights and hurdles in EPA New England (webinar recording - slides and audio): Jim DiLorenzo, U.S. EPA Region 1

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13. Long term stewardship through engineering controls: 16 year case history (slides only): Dave Folkes, Jeff Kurtz, Geosyntec Consultants, Inc.

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13a. Long term stewardship through engineering controls: 16 year case history (webinar recording - slides and audio): Dave Folkes, Jeff Kurtz, Geosyntec Consultants, Inc.

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14. AARST vapor intrusion mitigation credential and standards (slides only): Tony McDonald, A-Z Solutions, Inc.; Kyle Hoylman, Protect Environmental

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14a. AARST vapor intrusion mitigation credential and standards (webinar recording - slides and audio): Tony McDonald, A-Z Solutions, Inc.; Kyle Hoylman, Protect Environmental

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15. ESTCP research for improving the effectiveness, efficiency and sustainability of mitigation (slides only): Todd McAlary, Geosyntec Consultants, Inc.

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15a. ESTCP research for improving the effectiveness, efficiency and sustainability of mitigation (webinar recording - slides and audio): Todd McAlary, Geosyntec Consultants, Inc.

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16. Telemetric management and monitoring of vapor intrusion mitigation systems (slides only): Thomas Hatton, Clean Vapor LLC

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16a. Telemetric management and monitoring of vapor intrusion mitigation systems (webinar recording - slides and audio): Thomas Hatton, Clean Vapor LLC

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17 - Applying information technology for stewardship of groundwater contamination plumes (link to youtube video only): Bob Wenzlau, Terradex

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17a. Applying information technology for stewardship of groundwater contamination plumes (webinar recording - slides and audio): Bob Wenzlau, Terradex

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18. Report from vapor intrusion stakeholder forum: stakeholders and long-term management (slides only): Lenny Siegel, Center for Public Environment Oversight

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18a. Report from vapor intrusion stakeholder forum: stakeholders and long-term management (webinar recording - slides and audio): Lenny Siegel, Center for Public Environment Oversight

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19. Documenting the benefits of [regulatory-PRP-community] efforts to control VI (slides only): Henry Schuver, U.S. EPA ORCR; Robert Truesdale, RTI International

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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

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20a. Collateral benefits of active soil depressurization for VI mitigation (webinar recording - slides and audio): William Angell, University of Minnesota

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20b. Collateral benefits of active soil depressurization for VI mitigation (webinar recording - slides and audio): William Angell, University of Minnesota

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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.

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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.

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22. Life-cycle cost analysis for LTS under natural and controlled conditions - panel discussion starter (slides only): Dr. Ian Hers, Golder Associates Ltd.

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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.

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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

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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

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24. Least disruptive/most beneficial for occupants, owners, and communities (audio only): Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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25. "Promptly" implementable and continuous (audio only): Alana Lee, U.S. EPA Region 9

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26. Panel Discussion Questions and Answers (audio only): View Details

03a - 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

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01. Methods for developing and applying screening criteria for the petroleum vapor intrusion pathway: Robin Davis, Utah Department of Environmental Quality

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02. Vapor intrusion risk pathway: latest regulatory updates: Blayne Hartman, Hartman Environmental Geochemistry

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03. PVI risk pathway: sampling and analytical issues: Blayne Hartman, Hartman Environmental Geochemistry

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04. PVI conceptual model: G. Todd Ririe, BP

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03b - 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.

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02. Ensuring occupational worker safety at vapor intrusion sites: Shukla Roy-Semmen, Department of Toxic Substances Control, California Environmental Protection Agency

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03. Recent regulatory issues & results from several EPA sites: ramifications on soil gas and IA sampling: Blayne Hartman, Hartman Environmental Geoscience

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04. Unexpected sources of petroleum hydrocarbons and chlorinated solvents in indoor air: Suzie Nawikas, H&P, Inc.

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06. Mitigation - What are the differences between PVI and VI?: Bill Morris, Vapor Mitigation Services, LLC

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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

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09. A rational approach to methane hazard assessment: John Sepich, Brownfield Subslab; Stephen Marsh, McKenna Long & Aldridge

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10. Vapor intrusion of methane - the challenge of low-risk sites: George DeVaull, Shell Global Solutions US, Inc.

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11. CO2 flux measurements to estimate natural source zone depletion - state of the practice and method validation using modeling: Ian Hers, Golder Associates Ltd.

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12. Use of temperature to determine relative rate of biodegradation in the vadose zone: G. Todd Ririe, BP

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13. Using temperature measurements in conjunction with aerobic biodegradation models: Robert E. Sweeney, Environmental & Petroleum Geochemistry

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05 - 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.            View Details
  
01. Welcome and introduction: Henry Schuver, U.S. EPA OSWER                    View Details
  
02. Pompton Lakes, NJ: Lisa Riggiola                         ... View Details
  
03. Dracut, MA: Rich Cowan                          ... View Details
  
04. San Antonio, TX: Robert Alvarado                         ... View Details
  
05. Ithaca, NY: Ken Deschere                         ... View Details
  
06. Asheville, NC: Lisa Baldwin;                       View Details
  
07. Mountain View, CA: Jane Horton                          ... View Details
  
08. Watertown, NY: Andy Williams                      View Details
  
09. Palo Alto, CA: Bob Moss                         ... View Details
  
10. Asheville, NC: Dave Ogren                       View Details
  
10a. Harlem, NY: Albert Elkerson                         ... View Details
  
11. Notification principles for vapor intrusion investigations: Lenny Siegel, Center for Public Environmental Oversight (CPEO)               View Details
  
12. The need for continuous indoor air monitoring: Lenny Siegel, CPEO                        ... View Details

06 - 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

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01a. Welcome and history of EPA's VI workshops (webinar recording - slides and audio): Doug Grosse, Brian Schumacher, U.S. EPA ORD

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02. U.S. EPA update: VI guidance status and other updates (slides only): Rich Kapusinski and Helen Dawson, U.S. EPA OSWER

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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

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03. Setting the stage - our challenge: effective protection strategies, and a perspective on evaluating VI evidence (slides only): Henry Schuver, U.S. EPA OSWER

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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

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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

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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

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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

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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

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06. Comparison of Sun Devil and Indianapolis studies (slides only): Robert Truesdale, RTI International; Chris Lutes, ARCADIS; Paul Johnson, Arizona State University

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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

<  ...
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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

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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

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08. Vapor intrusion across space and time: a pilot community study in San Antonio (slides only): Jill Johnston, University of North Carolina

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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

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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

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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

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10. Characterizing variability in indoor air concentrations at vapor intrusion sites (slides only): Helen Dawson, Office of Superfund Remediation and Technology Innovation, OSWER

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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

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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

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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

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12. Report out from the Stakeholders' Forum - held 3/18/13 (slides only): Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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12a. Report out from the Stakeholders' Forum - held 3/18/13 (webinar recording - slides and audio): Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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13. Panel Discussion: Three questions posed to the expert panel.

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13a. Panel Discussion - Part I - Effective Sampling Strategies: Paul Johnson, ASU; Helen Dawson, U.S. EPA; Dan Carr, Sanborn | Head

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13b. Panel Discussion - Part II - Effective Protection Strategies: Henry Schuver, Alana Lee, U.S. EPA; Dave Folkes, EnviroGroup; Lenny Siegel, CPEO

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13c. Panel Discussion - Part III - Research Needs: Todd McAlary, Geosyntec; Chris Lutes, ARCADIS; Jeff Kurtz, EnviroGroup

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13w. Panel Discussion Webinar Recording (slides and audio): Slides and audio for the entire panel discussion.

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07 - 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.

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02. Soil gas sampling: evaluation of leak check procedures: Suzie Nawikas, Dave Balkenbush, H&P Mobile Geochemistry, Inc.

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03. Innovative Continuous Soil Gas/Vapour Measurement and Improved Risk Assessment: Peter Morris and Geoff Hewitt, Ion Science

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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

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05. Analysis and interpretation of time-variable vapor intrusion data: pressure driven flow across building foundations: George DeVaull, Shell Global Solutions

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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

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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

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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

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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

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10. Screening distances for petroleum vapor intrusion risk assessment: Matthew Lahvis, Shell Oil Company

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11. Australian PVI Guidance: Jackie Wright, EnRiskS

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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

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14. Comparison between biodegradation model predictions and field data from PVI databases: Robert E. Sweeney, EPG; Jackie Wright, EnRiskS

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08 - 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

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02. Determination of polychlorinated biphenyls in soil vapor using EPA Method TO-17: Heidi Hayes, Jason Arnold, and Diane Benton; Eurofins Air Toxics

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03. Fan longevity and performance for long-term VOC reduction at the Redfield site: Jeff Kurtz, EnviroGroup Limited

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04. Addressing action decisions for long and short term chlorinated vapor intrusion exposures: Rod Thompson; Risk Options, LLC

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05. New techniques for assessing the age, location and VI potential of VOC source areas beneath buildings: Craig Cox, Cox-Colvin & Associates, Inc.

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06. A summary of recent vapor intrusion projects by EPA-ORD/NERL: Blayne Hartman, Hartman Environmental Geoscience

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09 - EPA/AEHS, 19 March 2012, San Diego - National Stakeholders' Forum on Vapor Intrusion
  
00 - Agenda: NOTE: These forum presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. <  ... View Details
  
01 - Introduction to VI Stakeholders' Forum: Henry Schuver, U.S. EPA Office of Resource Conservation and Recovery

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02 - Community Involvement in EPA's Subsurface Vapor Intrusion Guidance: Melissa Dreyfus, Suzanne Wells, U.S. EPA

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03 - Public Stakeholders and Vapor Intrusion: Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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04 - Presentation: Stakeholders' Experiences and Recommendations from Bronx, NY: Kelly King Lewis, Bronx, NY

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05 - Presentation: Stakeholders' Experiences and Recommendations from Pompton Lakes, NJ: Lisa Riggiola, Pompton Lakes, NJ

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06 - Presentation: Stakeholders' Experiences and Recommendations from New Bedford, MA: Buddy Andrade, New Bedford, MA

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07 - Presentation: Stakeholders' Experiences and Recommendations from Ithaca, NY: Ken Deschere, Ithaca, NY

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08 - Presentation: Stakeholders' Experiences and Recommendations from Baltimore, MD: Linda Towe, Baltimore, MD

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09 - Presentation: Stakeholders' Experiences and Recommendations from Tallevast, FL: Wanda Washington and Laura Ward, Tallevast, FL

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10 - Presentation: Stakeholders' Experiences and Recommendations from Asheville, NC: Barry Durand and Peter (Tate) MacQueen, Asheville, NC

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11 - Vapor Intrusion Public Participation Advisory: Bill Bosan, California Department of Toxic Substances Control

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12 - Presentation: Stakeholders' Experiences and Recommendations from Phoenix, AZ: Mary Moore and Richard Rushforth, Lindon Park Neighborhood Association

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13 - Presentation: Stakeholders' Experiences and Recommendations from Mountain View, CA: Jane Horton, Mountain View, CA

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14 - VI Stakeholders Forum Summary Report: Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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10 - EPA/AEHS Workshop, 20 March 2012, San Diego - Recent Advances to VI Application & Implementation
  
00 - Agenda: NOTE: These workshop presentations represent the speakers' perspectives and should not be construed to represent EPA determination or policy. View Details
  
01 - Welcome to the State-of-the-Science Update Workshop: Brian Schumacher (U.S. EPA Office of Research and Development, National Exposure Research Laboratory, Environmental Sciences Division, Las Vegas, NV)  ... View Details
  
02 - Introduction to Workshop & Making the Case for Voluntary Radon Sampling: Henry Schuver, U.S. EPA, ORCR

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03 - Summary of VI Stakeholders' Forum on Vapor Intrusion: Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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03a - VI Stakeholders' Forum Summary Report: Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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04 - EPA's Vapor Intrusion Database: Characterization and Evaluation of Attenuation Factors for Chlorinated VOCs in Residences: Helen Dawson and Rich Kapuscinski, U.S. EPA

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05 - Summary of Final Conceptual Model Scenarios Document with an User Perspective: Lilian Abreu, ARCADIS, Inc.

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06 - An update on the draft of "Lessons from radon for vapor intrusion research and programs": Dan Steck, Physics Department, St. John's University

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07 - Recent Observations on Spatial and Temporal Variability in The Field: C Lutes, B Cosky, R Uppencamp, L Abreu (ARCADIS); B Schumacher, J Zimmerman (U.S. EPA NERL); R Truesdale, S Lin (RTI International); H Hayes (Air Toxi  ... View Details
  
08 - Navy VI Web Tool: A Systematic Approach for Assessing Strength of Evidence: Donna Caldwell, NAVFAC Atlantic; Loren Lund, CH2M HILL

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09 - Vapor Intrusion Above a Dilute CHC Plume: Lessons-Learned from Two Years of Monitoring: Paul C. Johnson, Arizona State University

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10 - Short-term Variability, Radon Tracer, and Long-term Passive Sampler Performance in the Field: C Lutes, B Cosky, R Uppencamp, L Abreu (ARCADIS); B Schumacher, J Zimmerman (U.S. EPA NERL); R Truesdale, S Lin (RTI International); H Hayes (Air Toxi  ... View Details
  
11 - Quantitative Passive Diffusive Sampling for Assessing Soil Vapor Intrusion to Indoor Air : Hester Groenevelt, T McAlary (Geosyntec Consultants, Inc.); T Gorecki, S Seethapathy (Univ. of Waterloo); D Crump (Cranfied Univ.); P Sacco, F S Mauge  ... View Details
  
12 - Vapor Intrusion into Large Buildings: David Shea, Daniel B. Carr (Sanborn, Head & Associates, Inc.)

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13 - Sustainable VI Mitigation Lessons Learned So Far: David J. Folkes, EnviroGroup Limited

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14 - OSWER's Development of Final Vapor Intrusion Guidance: Richard Kapuscinski, U.S. EPA Office of Superfund Remediation and Technology Innovation (OSRTI)

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15 - Introduction to Panel Discussion: Henry Schuver, U.S. EPA, ORCR

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11 - AEHS, 21 March 2012, San Diego - Petroleum Hydrocarbon Vapor Intrusion II
  
01 - Evaluating the Vapor Intrusion Pathway for Methane: Robert Ettinger and Henry Kerfoot (Geosyntec Consultants)

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02 - U.S. EPA Petroleum Hydrocarbon Vapor Intrusion (PVI) Database - A Comprehensive Analysis of Aromatic and Aliphatic Hydrocarbon Data : Ian Hers (Golder Associates); Robert Truesdale (RTI International)

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03 - Screening Criteria for the Petroleum Vapor Intrusion Pathway: Robin Davis (Utah Department of Environmental Quality)

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04 - Significance of Biodegradation at Petroleum Hydrocarbon Sites - Implications for Vapor Intrusion Guidance : Matthew Lahvis (Shell Oil Company).

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05 - Evaluation of the Australian Petroleum Hydrocarbon VI Database - Exclusion Criteria: Jackie Wright (Environmental Risk Sciences) 

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06 - Temporal Effects on Aerobic Biodegradation of Hydrocarbons in Soil Vapor: Robert E. Sweeney (E & P Geochemistry)

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12 - AEHS, 22 March 2012, San Diego - Vapor Intrusion
  
01 - Field and Modeling Studies of Indoor Air Source Effects on Subslab Soil Gas Concentrations: Emma Hong Luo, Chase Holton, Yuanming Guo, Paul Johnson (Arizona State University)

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02 - Long-term and Short-term Variation of Indoor Air Concentration at a Vapor Intrusion Study Site: Chase Holton, Hong Luo, Yuanming Guo, Paul Johnson (Arizona State University); Kyle Gorder, Erik Dettenmaier, (Hill Air Force Base).

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03 - Vapor Intrusion - Technical Basis for a More Comprehensive and Protective Approach: Henry Schuver (U.S. Environmental Protection Agency).

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05 - Performance of Aerated Floor VI Mitigation Systems: David Folkes (EnviroGroup Limited)

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06 - Indoor Air, Sub-slab, and Soil Gas Temporal Variations from GC Data: Blayne Hartman (Hartman Environmental Geoscience); Christopher Lutes, Brian Cosky, Robert Uppencamp, and Lilian Abreu (ARCADIS); Brian Schumacher an  ... View Details
  
07 - Advective Flow and Biodegradation of Volatile Hydrocarbons in the Vadose Zone: Robert E. Sweeney (E&P Geochemistry); Shankar Subramanian (URS Corporation).

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13 - EPA/AEHS, 15 Mar 2011, San Diego - Workshop: Addressing Regulatory Challenges in Vapor Intrusion
  
00 - Workshop Agenda: NOTE: These presentations represent the speakers’ perspectives and should not be construed to represent EPA determination or policy.

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01 - Welcome and Overview of Workshop Purpose and Objectives: Doug Grosse, U.S. EPA Office of Research and Development

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02a - Vapor Intrusion: Update on Vapor Intrusion Guidance and Policy Activities at U.S. EPA : Stiven Foster, U.S. EPA Office of Solid Waste and Emergency Response, and David Yogi, U.S. EPA Office of Superfund Remediation and Technology Innovati  ... View Details
  
02b - Vapor Intrusion: EPA's Experiences with Analogous Gases and Guidance Update: Dr. Henry Schuver, U.S. EPA Office of Resource Conservation and Recovery

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03 - Comparison of observations in U.S. EPA's Vapor Intrusion Database to generic and semi-site-specific (Figure 3) attenuation factors from the 2002 VI Guidance: Dr. Ian Hers, Golder Associates

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04 - Comparing Attenuation between GW-SS, SS-IA and SG-SS & SG-IA: Dr. Helen Dawson, U.S. EPA Office of Superfund Remediation and Technology Innovation View Details
  
05 - Comparing Attenuation between GW-SS, SS-IA and SG-SS, & SG-IA: Dr. Bill Wertz, Geosyntec Consultants View Details
  
06 - Factors Affecting Radon Entry and Concentrations; and Lessons for Chlorinated VI: Dr. Daniel Steck, Minnesota Radon Project View Details
  
07 - Approaches to sampling frequency and data collection, and impacts on conclusions: Dr. Paul Johnson, Arizona State University

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08 - Stylistic Modeling of VOC Transport in the Vadose Zone and Insight into Vapor Intrusion Processes: Dan Carr, Sanborn-Head and Associates

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09 - Intensive Study of VOCs and Radon in Historic Duplex - a First Look: Dr. Brian Schumacher, U.S. EPA ORD, National Exposure Research Laboratory

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10 - EPA Radon Mitigation Standards (1993) and Experiences with Mitigation Diagnostics, Designs, Installation, and Performance: Dr. Leo Moorman, Radon Home Measurement & Mitigation, Inc.

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11 - Efficient Assessment and Mitigation of Vapor Intrusion: Optimal Subslab Depressurization Design Strategies and Handling the Problems of Variability with Long-term Integrated Samplers: Dr. Chris Lutes, ARCADIS

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12 - Pneumatic Testing, Mathematical Modeling, and Flux Monitoring to Assess and Optimize the Performance and Establish Termination Criteria for Sub-slab Depressurization Systems: Todd McAlary and Dr. Robbie Ettinger, Geosyntec Consultants

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13 - Panel Discussion: Speakers input on VI assessment/mitigation decisions for various scenarios: Moderator - Dr. Henry Schuver, U.S. EPA Office of Resource Conservation and Recovery

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14 - AEHS Conference Session, 16 Mar 2011, San Diego - Petroleum Hydrocarbon Vapor Instrusion
  
01 - Sampling Considerations for Vapor Intrusion Assessments at Petroleum Hydrocarbon Sites:

Blayne Hartman, Hartman Environmental Geoscience

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02 - Transport and Biodegradation of Petroleum Hydrocarbon Vapor Components in the Subsurface; A Soil Column Study: Elsy Escobar, Paul Dahlen, and Paul C. Johnson, Arizona State University

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03 - Incorporating Barometric Pressure and Wind Effects into Vapor Intrusion Simulations: Hong Luo and Paul C. Johnson, Arizona State University

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04 - Vapor Cloud Model to Estimate Sub-Slab to Indoor Air Attenuation Factor: Atul Salhotra and Venkat Sambana, RAM Group of Gannett Fleming

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05 - A Static Chamber for Measurements of Benzene Vapor Fluxes for Risk Evaluation: Federica Belloro and Giovanni Ferro, Ingegneria e Servizi Ambientali Ferro S.r.l.

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06 - Empirical Data Supporting Groundwater Benzene Concentration Exclusion Criteria for Petroleum Vapor Intrusion Investigations: Tom Peargin and Ravi Kolhatkar, Chevron

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08 - Spatial and Temporal Behavior of Subsurface Petroleum Hydrocarbon Vapors: Robin Davis, Utah Department of Environmental Quality

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09 - Site Conditions Conductive for Potential Petroleum Vapor Instrusion (PVI) Risk: Robert E. Sweeney, Petroleum and Environmental Geochemistry

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10 - Challenges to Multiple Lines of Evidence Vapor Intrusion Evaluations at Petroleum Release Sites: Robert Ettinger, Geosyntec Consultants

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15 - EPA/AEHS Workshop, 16 March 2010 - Update on Vapor Intrusion at U.S. EPA
  
00 - Workshop Agenda - Update on Vapor Intrusion at EPA: NOTE: These presentations represent the speakers’ perspectives and should not be construed to represent EPA determination or policy.

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01- Context for Today's Workshop (EPA Top Priorities and OSWER Initiatives): Henry Schuver, U.S. EPA Office of Resource Conservation and Recovery (ORCR)

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02- History of Vapor Intrusion Workshops and the Purpose of this One: Doug Grosse, U.S. EPA Office of Research and Development (ORD)

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03- A Community Stakeholder on OSWER's Community Engagement Initiative: Lenny Siegel, Center for Public Environmental Oversight (CPEO)

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04- Background Indoor Air Concentrations of VOCs in North American Residences: A Compilation of Statistics and Implications for Vapor Intrusion: Helen Dawson, EPA Office of Superfund Remediation and Technology Innovation (OSRTI), presented by Jeff Kurtz, EnviroGroup

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05- US EPA's Vapor Intrusion Database -- Preliminary Evaluation of Attenuation Factors for Chlorinated VOCs in Residences: Helen Dawson, U.S. EPA OSRTI, presented by Henry Schuver, U.S. EPA ORCR

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06- Conceptual Model Scenarios (CMS) for the Vapor Intrusion Pathway: Lilian Abreu, ARCADIS Inc.

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07- Field Observations on Ground Covers/Buildings: Brian Schumacher, U.S. EPA ORD View Details
  
08a - Lessons from Radon Studies and Databases: Henry Schuver, U.S. EPA ORCR

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08b - Lessons Learned from Past Radon Studies: Ron Mosley, U.S. EPA ORD

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09- Region 9 Studies: Practical Approaches to Vapor Intrusion Indoor Air Investigations (focus on passive samplers): Alana Lee, Kathy Baylor, U.S. EPA Region 9

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11- Update on U.S. EPA Vapor Guidance Efforts: Stiven Foster, U.S. EPA OSWER View Details
  
12- Review of 2002 Guidance: Henry Schuver, U.S. EPA ORCR View Details
  
14a- Mitigation Decisions, Operations, and Closure—Perspectives by an International Consultant: Ian Hers, Golder Associates View Details
  
14b- Do Subslab Depressurization Systems Work? (State Perspectives): Bill Wertz, NYSDEC. View Details
  
14c- Communities and Vapor Intrusion Mitigation—Perspectives by a Community Representative: Lenny Siegel, CPEO View Details
  
15- Final CMS document - A Focus on Petroleum Scenarios: Lilian Abreu, ARCADIS

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16 - Greenpoint Petroleum Vapor Intrusion Study: Bill Wertz, NYSDEC View Details
  
17- Status Update - EPA Office of Underground Storage Tanks Work On Petroleum Vapor Intrusion: Matt Young, U.S. EPA OUST

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16 - AEHS Conference, 15 March 2010 - Session 1: Vapor Intrusion
  
01-Vadose Zone Profiling -- Considerations for Vapor Intrusion: Daniel Carr and Allan H. Horneman, Sanborn Head & Associates, Inc., Portland, ME

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02-Results from an EPA Research Program on the Vertical & Temporal Variations on Soil Gas Concentrations Near and Under a Slab: Blayne Hartman, Hartman Environmental Geosciences, Solana Beach, CA; Brian Schumacher and John Zimmerman, EPA-ORD NERL, Las Vegas, NV; James Elliot, T  ... View Details
  
04-Passive (Wind-Driven) Systems for Sub-slab Venting to Mitigate Potential Vapor Intrusion: David Bertrand and Todd McAlary, Geosyntec Consultants, Inc., Guelph, Ontario, Canada

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05-Technical Approach for Evaluation of Sites with Biogenic Sources of Methane: Alice Campbell, DTSC, Chatsworth, CA View Details
  
06-Vapor Intrusion Assessment for Carbon Tetrachloride Contamination at a Former Grain Storage Facility in Rural Kansas: Lorraine LaFreniere, Argonne National Laboratory, Argonne, IL; Caroline Roe, Commodity Credit Corporation, Washington, DC; Blayne Hartman, Hartman Env  ... View Details
  
07-Exclusion Distance Criteria for Assessing Potential Vapor Intrusion at Petroleum Hydrocarbon Release Sites: Matthew A. Lahvis, Shell Global Solutions (UK), Chester, UK; George E. DeVaull, Shell Global Solutions, Houston, TX

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17 - EPA/AEHS, 13 March 2008, San Diego - Specialty Seminar on Technical Updates to USEPA & ITRC Vapor Intrusi
  
01- Welcome, Introduction, and Overview: Doug Grosse, EPA Office of Research and Development

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02- Update and General Status of EPA's Guidance: Henry Schuver, EPA OSWER

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03- ITRC VI Practical Guideline -- What It Is, and What It Is Not: John Boyer, New Jersey Department of Environmental Protection

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04- New York Approach to Background in VI Investigations: Krista Anders, New York State Department of Health (NYS DOH)

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05- Literature Review and Compilation of Background Indoor Air Concentrations of Volatile Organic Compounds: Helen Dawson, EPA Region 8

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06- California Perspective on Background in VI Investigations: Dan Gallagher, California Department of Toxic Substances Control

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07- Comparison of Indoor Air Data of Petroleum Hydrocarbons from VI Investigations to Indoor Air Background Data: Gina Plantz, Haley and Aldrich

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08- EPA's Vapor Intrusion Database Contents- Introduction: Helen Dawson, EPA Region 8

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09- Early Vapor Intrusion Lessons from Colorodo Department of Transportation: Paul Johnson, Arizona State University

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10- Lessons from Large Groundwater Plume Sites -- Redfield and Wall: Ian Hers, Golder Associates

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11- Groundwater/Subslab/Indoor Air Relationships at Lowry Air Force Base and Billings PCE: Helen Dawson, EPA Region 8 View Details
  
12- Observations of Variability at Cortlandville and Endicott: Justin Deming, NYS DOH View Details
  
13- EPA's Vapor Intrusion Database -- Analysis of Attenuation Factors (Groundwater, Subslab, Soil Gas, and Crawlspace) from Multiple Sites: Helen Dawson, EPA Region 8 View Details
  
14- Lessons from Petroleum Hydrocarbon and Chlorinated Solvent Sites Extensively Monitored for Vapor Intrusion: Todd McAlary, Geosyntec Consultants

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15- Vapor Intrusion at Fractured Bedrock Sites: Dave Mickunas, EPA Environmental Response Team View Details

18 - EPA/AEHS, 12 March 2008, San Diego - National Stakeholders' Forum on Vapor Intrusion
  
01- Introduction to the Vapor Intrusion Pathway: Paul Johnson, Arizona State University View Details

 



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