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Vapor intrusion: prevention is protection

Vapor intrusion: prevention is protection

Vapor intrusion is the process of volatile oil or hazardous materials from the subsurface entering the indoor air of a structure. When these contaminants have been released or have migrated near buildings, they can present a risk of exposure to building occupants via inhalation. Specific sources of contamination include:

  • Leaking underground or aboveground storage tanks or vessels
  • Piping and conduits, floor drains
  • Dry wells
  • Industrial waste storage
  • Contaminated groundwater plumes
  • Spills

Proper protection of a site and inhabitants includes preventative measure like conceptual site models and protective measures including active mitigation systems to help guard against potential vapor intrusion pathways.

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