The premier brownfield redevelopment conference in Virginia is hosted by the Virginia Department of Environmental Quality (DEQ) and the City of Staunton.
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With new vapor intrusion guidance published from ITRC and many states, developers and existing building owners are facing more pressure to mitigate building from risks associated with volatile contaminants and landfill gases. Mitigating the VI pathway involves more than simply adding a barrier and some pipes. Designers should be considering the VI pathway and how the selected mitigation approach will work; a concept referred to as the mitigation conceptual site model. Selecting the appropriate VI mitigation system (VIMS) for your building type and contaminants can increase the system effectiveness, lower construction costs, reduce monitoring requirements, and promote long-term building health. This talk will explore the pros and cons of various VIMS including depressurization, venting, aerated floors, active vs passive, membrane type, and monitoring options. Case studies will be included to demonstrate the impact of VIMS selection on project success.
