Vapor Intrusion Pathway Assessment: Background Sources, Monitoring, and Decision Making
Wednesday, December 1, 8:30–11:45 am

Chair:  Dr. Paul Johnson, Arizona State University – Department of Civil and Environmental EngineeringKeynote:  Dr. Paul Johnson

Vapor intrusion pathways from groundwater to indoor air are difficult to predict and measure due to many complex natural processes. Risks associated with exposure from vapor intrusion-impacted sites drive many corrective action plans and site cleanup, and simple criteria for identifying potentially problematic sites are needed to provide a more confident and cost-effective assessment of the groundwater to indoor air pathway. This session discussed the results of real-world vapor intrusion studies representing a range of soil, groundwater, and building conditions to characterize the chemical and physical mechanisms and site parameters controlling the transport of volatile organic compounds from groundwater to overlying structures.

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 8:30 AM

8:40 AM

Welcome & Introduction by the Session Chair(Presentation)

Dr. Paul Johnson

Arizona State University – Department of Civil and Environmental Engineering

8:40 AM

9:00 AM

KEYNOTE: Vapor Intrusion Pathway Assessment: Challenges, Developments, and Ongoing Research(Presentation – Abstract)

Dr. Paul Johnson

9:00 AM

9:20 AM

Beyond Inventories – Active Hunting for Background Sources(Presentation – Video – Abstract)

Mr. Kyle Gorder

Hill Air Force Base – Environmental Restoration Branch

9:20 AM

9:40 AM

Investigation Methods to Distinguish Between Vapor Intrusion and Indoor Sources of VOCs(Presentation – Abstract)

Dr. Thomas McHugh

GSI Environmental Inc.

9:40 AM

10:00 AM

Background Source Q&A

Dr. Paul Johnson

10:00 AM

10:20 AM

Break

10:20 AM

10:55 AM

PANEL DISCUSSION: Beyond Summa CanistersAbstractPresentation – McAlaryPresentation – OdencrantzPresentation – KimPresentation – Video – Forzani

Mr. Todd McAlary – Geosyntec Consultants, Inc.Dr. Joseph Odencrantz – Tri-S Environmental, Inc.Mr. Sun Kim – University of Michigan – Department of Cell & Developmental BiologyDr. Erica Forzani – Arizona State University – Department of Electrical Engineering

10:55 AM

11:30 AM

PANEL DISCUSSION: Vapor Intrusion Assessment(Presentation – Abstract)

Mr. Lenny Siegel – Center for Public Environmental OversightDr. Henry Schuver – U.S. Environmental Protection AgencyDr. William Wertz – New York State Department of Environmental ConservationDr. Matthew Lahvis – ShellMr. John Boyer – New Jersey Department of Environmental Protection

11:30 AM

11:45 AM

Open Discussion on New and Emerging Issues in Vapor Intrusion Assessment

Dr. Paul Johnson