Vapor/vapour intrusion (VI) is the migration of volatile organic chemicals (VOCs) from contaminated subsurface sources to indoor air. Exposure to VOCs via VI is typically evaluated using multiple lines of evidence, with indoor air samples being the m... Read More about Climate and Weather Driven Temporal Variability of Vapour (Vapor) Intrusion under Natural and Mitigated Conditions: Implications for Sampling and Mitigation Strategies.