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U.S. EPA Technology Innovation and Field Services Division

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Ma, J., T. McHugh, L. Beckley, M. Lahvis, G. DeVaull, and L. Jiang.
Environmental Science & Technology 54(12):7050-7069(2020)

Key elements important to vapor intrusion (VI) site characterization, the status and current understanding, and data interpretation challenges, as well as innovative tools developed to help overcome the challenges, are highlighted in this review. While significant advances in the understanding of VI in the past 20 years have occurred, limitations and knowledge gaps in screening, investigation methods, and modeling approaches still exist. Potential areas for further research include improved initial screening methods that account for the site-specific role of barriers, improved understanding of preferential pathways, and systematic study of buildings and infrastructure other than single-family residences.

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