Virtual Training that Keeps You Informed of the Latest Environmental Technologies

Vapor Intrusion

VI Installation Methods

VI Installation Methods

Vapor intrusion is the migration of vapor-forming chemicals from any subsurface source into a office, home, or industrial building. It all started in the 1980s with concerns over radon intrusion.  During the 90s, environmental professionals began to understand that...

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VI Installation Methods

VI – The Laboratory Analysis

Vapor intrusion is the migration of vapor-forming chemicals from any subsurface source into a office, home, or industrial building. It all started in the 1980s with concerns over radon intrusion.  During the 90s, environmental professionals began to understand that...

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VI Installation Methods

Selecting the Right VI Equipment

Soil gas is usually analyzed with the same methods used for indoor air, which in the U.S., generally means EPA Method TO-15. TO-15 specifies Gas Chromatograph/Mass Spectrometer (GC/MS) analysis of samples from evacuated stainless-steel “Summa” canisters. But because...

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VI Installation Methods

VI Investigation & Risk Assessment

This EnviroClass will focus on the use of "risk-based," "Large Volume Purge (LVP)" subslab vapor sampling methods and data to better assess site-specific, VI risk.  Roger Brewer is a world leader on vapor intrusion and he has spent over 18 months in China working with...

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VI Installation Methods

VI Monitoring & Mitgation

Vapor intrusion is the migration of vapor-forming chemicals from any subsurface source into a office, home, or industrial building. It all started in the 1980s with concerns over radon intrusion.  During the 90s, environmental professionals began to understand that...

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