Vapor Intrusion is a process in which chemicals found in soil and groundwater migrate to indoor air. It occurs in homes and other buildings, and can cause a wide range of health problems. It can be caused by a variety of factors, and there are several ways to prevent it. Read on to learn more about the process and its possible effects.
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Vapor intrusion is caused by a number of factors, including contaminated groundwater and soil. When vapors from contaminated water or groundwater migrate through cracks or holes in foundations, they can migrate into buildings. Vapor intrusion is more common in buildings with basements, but it can also occur in buildings without a basement. The type of soil under a building’s foundation can also affect the path that vapors take. For example, sand and gravel can make it easier for vapors to migrate, while clay can block the passage of vapors. These vapors can degrade the quality of indoor air and pose a health risk, especially to people with chronic heart conditions.
When vapor intrusion is caused by an underground storage tank, it can cause hydrocarbons to be released as vapors, mixing with water vapor and air. This can lead to accumulation in confined spaces, creating a long-term exposure risk. The effects of VI can be immediate, such as the risk of explosion, and long-term effects such as the potential of cancer or other health complications.