Vapor intrusion definition

Vapor intrusion means the migration of volatile chemicals from contaminated environmental media into a building, subsurface conduit or structure.
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Vapor intrusion means the migration of volatile or semi-volatile chemicals from contaminated environmental media or product into a building, subsurface conduit or structure.
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Vapor intrusion means the migration of volatile chemicals from the subsurface into overlying buildings through subsurface soils or preferential pathways (such as underground utilities).
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Examples of Vapor intrusion in a sentence

  • Vapor intrusion can occur in a broad range of land use settings, including residential, commercial, and industrial, and affect buildings with virtually any foundation type (e.g., basement, crawl space(s), or slab on grade).

  • Vapor intrusion can occur in buildings with any foundation type (e.g., basement, crawl space, slab-on-grade).

  • Vapor intrusion is the general term given to migration of hazardous vapors from any subsurface contaminant source, such as contaminated soil or groundwater or contaminated conduit(s), into an overlying building or unoccupied structure via any opening or conduit.

  • Vapor intrusion occurs when chemicals volatilize and migrate from impacted soil and/or groundwater up into a building’s interior space.

  • In optical techniques the wavelength is in the visible or IR spectrum and a source of illumination is used to ’light up’ the target.

  • These potential exposure scenarios include the following: ■ Ingestion, dermal contact, and inhalation (residential receptors and occupational workers); ■ Vapor intrusion to indoor air (residential and occupational receptors); ■ Volatilization to outdoor air (residential and occupational receptors); and ■ Direct contact (excavation worker).

  • Vapor intrusion is a potential human exposure pathway ─ a way that people may come into contact with hazardous vapors while performing day-to-day indoor activities.

  • Reinforcement Steel and Concrete Forms: Vapor intrusion barrier shall be installed before placement of reinforcing steel.

  • Vapor intrusion pathways through utility penetrations and structural openings in floors and walls.

  • Vapor intrusion is defined as the migration of volatile contaminants from the subsurface into overlying buildings.


More Definitions of Vapor intrusion

Vapor intrusion means the presence of volatile and semi-volatile organic compounds in residential or commercial buildings, assessed in accordance with Section 7.3 of the UST Corrective Action Manual, incorporated by reference in 401 KAR 42:060, resulting from con- taminated subsurface media originating from a UST system release. (22 Ky.R. 427; 918; eff. 11-14-1995; 23 Ky.R. 986; eff. 3-12-1997; 29 Ky.R. 2146; 2458; eff. 4-11-2003; 32 Ky.R. 2109; 33 Ky.R. 456; 732; eff. 9-13-2006; 37 Ky.R. 2686; 38 Ky.R. 255; 510; eff. 10-6-2011; Crt eff. 10-9-2018; 45 Ky.R. 1365, 2360, 2630; eff. 4-5-2019.)
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Vapor intrusion means the presence of volatile and semi-volatile organic compounds in residential or commercial buildings, assessed in accordance with Section 7.3 of the UST Corrective Action Manual, incorporated by reference in 401 KAR 42:060, resulting from contaminated subsurface media originating from a UST system release.
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Vapor intrusion means the presence of volatile and semi-volatile organic com- pounds in residential or commercial buildings, assessed in accordance with Section 7.3 of the UST Corrective Action Manual[Release Response and Initial Abatement Requirements Out- line], incorporated by reference in 401 KAR 42:060, resulting from contaminated subsurface media originating from a UST system release.[(128) "Wastewater treatment tank" means a tank that is designed to receive and treat an influent wastewater through physical, chemical, or biological methods.]
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Vapor intrusion means the presence of volatile and semi-volatile organic compounds in residential or commercial buildings, assessed in accordance with the Release Response and Ini- tial Abatement Requirements Outline, resulting from contaminated subsurface media originating from a UST system release.
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Vapor intrusion means the migration of vapors from VOCs in subsurface soil or groundwater to an enclosed space where exposure to humans may occur.
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Vapor intrusion means a process by which a hazardous substance from a vapor source has migrated or has the potential to migrate through the subsurface or preferential pathways, or both, into overlying buildings.
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Related to Vapor intrusion

  • Contamination means the presence of, or Release on, under, from or to the environment of any Hazardous Substance, except the routine storage and use of Hazardous Substances from time to time in the ordinary course of business, in compliance with Environmental Laws and with good commercial practice.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Ambient air means that portion of the atmosphere, external to buildings, to which the general public has access.

  • Contaminated soil means soil that meets all of the following criteria:

  • Indoor or “Indoors” means within a fully enclosed and secure structure that complies with the California Building Code (CBC), as adopted by the County of Yolo, that has a complete roof enclosure supported by connecting walls extending from the ground to the roof, and a foundation, slab, or equivalent base to which the floor is securely attached. The structure must be secure against unauthorized entry, accessible only through one or more lockable doors, and constructed of solid materials that cannot easily be broken through, such as 2” x 4” or thicker studs overlain with 3/8” or thicker plywood or equivalent materials. Plastic sheeting, regardless of gauge, or similar products do not satisfy this requirement.

  • Soil means all unconsolidated mineral and organic material of any origin.