Langan Engineering and Environmental Services LLC
02/17/2021 | Press release | Archived content
The Environmental Advocate: Same Building. Different Concerns.
February
2021
Same Building. Different Concerns.
Overcoming Vapor Intrusion Concerns in Adaptive Reuse Projects
While subsurface contamination is often only considered on new development projects, contaminated vapors care very little about a building's age when they make their way inside. Therefore, it is prudent for developers and property owners to consider the potential for vapor intrusion in existing properties, during transactional due diligence, and when properties are used as financial collateral.
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Q&A: VAPOR INTRUSION
Can passive venting systems be appropriate even for high risk vapor intrusion sites?
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Sigrida Reinis, PhD, PE
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TECH FOCUS: FROG METER
When evaluating the potential for vapor intrusion (VI) in a building, it is both important to understand does VI exist and if so, the associated source and pathway. The pathway pf VI is often through an imperfect building slab. However, VI can also be the result of preferential pathways into the building (e.g. drain) that are not mitigated by these conventional measures. But then how do you effectively and efficiently identify the source of VI? Meet the FROG meter, a device that provides accurate, real-time information while efficiently screening the indoor of a building.
Langan Engineering and Environmental Services LLC published this content on February 17, 2021, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on July 23, 2026 at 11:12 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]