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VAPOR INTRUSION: MODELING TOOLS AND COST EFFECTIVE MITIGATION
Suuberg, E. and T. McAlary. | SERDP & ESTCP Webinar Series, Webinar #93, July 2019
SERDP and ESTCP sponsored two presentations on new vapor intrusion modeling projects. The first examined the factors responsible for reports of large, several-order-of-magnitude variations in indoor air contaminant concentrations resulting from vapor intrusion processes. A case study of the Arizona State University site adjacent to Hill AFB was presented where modeling was used to characterize VI preferential pathways. The second presentation demonstrated new tools to reduce the cost of mitigating VOC vapor and radon intrusion to buildings. This research demonstrated several new ways to assess the radius of influence of soil gas extraction wells, including vacuum, velocity, travel time, vertical flow across the floor slab, and mass removal rates to design, operate and maintain optimal systems. A summary of the testing methods and four case studies were provided. https://www.serdp-estcp.org/Tools-and-Training/Webinar-Series/07-11-2019
SERDP and ESTCP sponsored two presentations on new vapor intrusion modeling projects. The first examined the factors responsible for reports of large, several-order-of-magnitude variations in indoor air contaminant concentrations resulting from vapor intrusion processes. A case study of the Arizona State University site adjacent to Hill AFB was presented where modeling was used to characterize VI preferential pathways. The second presentation demonstrated new tools to reduce the cost of mitigating VOC vapor and radon intrusion to buildings. This research demonstrated several new ways to assess the radius of influence of soil gas extraction wells, including vacuum, velocity, travel time, vertical flow across the floor slab, and mass removal rates to design, operate and maintain optimal systems. A summary of the testing methods and four case studies were provided. https://www.serdp-estcp.org/Tools-and-Training/Webinar-Series/07-11-2019
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