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(Last Chapter Meeting)

October 15, 2019
Georgia’s New Vapor Intrusion Guidance

Synopsis:
The Georgia Environmental Protection Division (EPD) is about to release their first ever vapor intrusion guidance. Vapor intrusion occurs when volatile compounds migrate from contaminated groundwater or soil into the indoor air of an overlying or nearby building.

The concern with vapor intrusion typically involves the potential for chronic health risks due to long-term exposure to relatively low vapor concentrations, although extreme cases can occur (e.g., explosion risks due to methane gas).

The presentation offered a brief discussion of what will be included in the new guidance and discussed the most common mistakes that occur in the field when conducting vapor intrusion investigations.