Tag Archives: Off-gassing

Washington child care center mitigates risk of vapor intrusion

As is the case with many buildings, a national chain of early childhood education centers chose the location of its Washington D.C. project on a site known to have soil and groundwater contamination as a result of the property’s former uses. The specifier included a vapor intrusion mitigation system in the project’s design plans to ensure the safety of the buildings’ occupants.

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Retrofitting buildings with vapor barriers

Vapor intrusion occurs when there is a migration of chemicals containing vapor from a subsurface source such as soil, groundwater, or soil vapor into an overlying building (Figure 1). As a result of past activities, some areas are more prone to the risk of vapor intrusion for its surrounding structures.

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