The Interstate Technology & Regulatory Council (ITRC) provides a comprehensive online toolkit about vapor intrusion (VI). VI is the migration of hazardous vapors from contaminated soil and groundwater into overlying buildings. The toolkit is for regulators, consultants, and building owners to help in decision-making regarding VI and petroleum vapor intrusion (PVI). PVI is a subset of VI, specifically dealing with petroleum hydrocarbons. The toolkit provides a framework for evaluating and managing the vapor intrusion pathway. It describes various tools for investigation, data evaluation, and mitigation.
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EO 14057 (REVOKED)
