A complete list of all programs within the Department of Environment, Great Lakes, and Energy (EGLE)
Community involvement and public participation are an essential part of EGLE’s mission, vision, and values.
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An interactive map displaying contaminated sites throughout Michigan regulated under Parts 213, 201, and 211.
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Vapor intrusion sometimes occurs where chemicals were spilled, leaked, or dumped and not cleaned up. For example, properties such as gas stations, dry cleaners, or businesses operating metal parts degreasers use chemicals like gasoline or solvents that can cause vapor intrusion.
If these chemicals are mishandled and get into the ground, they can move through the soil and groundwater. Although the chemicals are often released as liquid, they easily evaporate, becoming a vapor in the air that you often cannot see or smell.
Vapor intrusion happens by way of a complex path. View the diagram or scroll to read different portions of the pathway.
How vapor intrusion happens: a complex path Vapor intrusion starts with a chemical spill, chemical leak, or improper disposal of chemicals. It may be from a past owner a long time ago. Buildings or the cause of the issue may not exist anymore.
Properties located near gas stations, drycleaners, and businesses that clean metal parts with solvents can be impacted.
Vapors can slip through cracks in the foundation and/or gaps where pipes enter the basement.
Chemicals can get into groundwater and be spread by its natural flow.
Underground vapors sometimes move along sandy soil surrounding pipes.
Sand or gravel around foundations can make it easier for vapors to pass through.
