Tag Archives: vapor intrusion

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.

+ Read More

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.

+ Read More

The growing concern with vapor intrusion

In extreme cases, vapors may accumulate in dwellings or occupied buildings to levels that may pose near-term safety hazards (e.g. explosion) or acute health effects. This occurs when there is a migration of chemical-containing vapor from a subsurface source into an overlying building. Fortunately, mitigation and barrier systems can help.

+ Read More