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Vapor intrusion (VI) is a contaminant exposure pathway resulting from the migration of volatile chemicals such as petroleum and industrial solvents from buried wastes, contaminated soil, or groundwater into an overlying building with human receptors. Vapor intrusion can also occur from natural sources such as radon. Due to the costs associated with investigation and mitigation of VI issues and, more importantly, the risk to human health and public safety, it is imperative that you have a thorough grasp of potential VI on your site.
Envirologic has the experience and expertise to support your project through the entire investigation and mitigation process. Failure to understand VI may result in unnecessary costs to investigate or mitigate a potential VI issue or in an unacceptable exposure to your family, employees, or visitors.
An unacceptable VI exposure occurs when contaminants are present in indoor air at concentrations that could cause a risk to human health through inhalation and/or a risk to public safety through fire or explosion. An unacceptable VI exposure may not only occur on the property where a spill or release occurred, but it can also occur in a business or residence on neighboring properties hundreds of feet away from the source property.
Evaluation of the VI pathway has come to the forefront in recent years as new studies have shown that many contaminants (chlorinated compounds) may cause developmental effects in utero and in infants and small children and that significant health issues may result to any population from acute exposure. The Michigan Department of Environmental Quality's Director, Heidi Grether, has stated that "it's [vapor intrusion] a significant public health threat."
To learn more about Envirologic's vapor intrusion and other field services, contact us today!