Vapor Intrusion Simulations and Risk Assessments

Vapor Intrusion Simulations and Risk Assessments



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English | 2022 | ISBN: 9811926999 | 133 Pages | PDF (True) | 6 MB

This book introduces key concepts in modeling and risk assessments of soil vapor intrusion, a process by which the subsurface volatile contaminants migrate into the building of concern. Soil vapor intrusion is the major exposure pathway for building occupants to chemicals from the subsurface, and its risk assessments determine the criteria of volatile contaminants in soil/groundwater in brownfield redevelopment. The chapters feature the recent advances in vapor intrusion sciences and practices, including analytical and numerical modeling of vapor intrusion, statistical findings of United States Environmental Protection Agency’s Vapor Intrusion and Petroleum Vapor Intrusion Databases, the challenges of preferential pathways and the application of building pressure cycling methods, and field practices of vapor intrusion risk assessments at developed contaminated sites and in brownfield redevelopment. This volume also summarizes the advantages and limits of current applications in vapor intrusion risk assessment, laying the groundwork for future research of better understanding in risk characterization of soil vapor intrusion using models.