Vapor Intrusion Home Insights Publications Overview of state approaches to vapor intrusion: 2018 Haley & Aldrich Vapor Intrusion Practice Leader Rich Rago co-authored this update to the last major state-by-state study from 2012. At facilities with subsurface contamination, what other chemicals may your workers be breathing? Mathew Raithel’s AIHce presentation explored overlooked vapor intrusion hazards in the workplace. Learn more and download his slides now. Implications of indoor air background concentrations on health risks in buildings Learn more about the research Jay Peters presented at AIHce and download his slides. Vapor intrusion workshop summary from the 2018 West Coast AEHS International Conference on Soil, Water, Energy, and Air Download our free technical update for a summary of the conference's key presentations. New data on background indoor air levels of volatile organic compounds (VOCs) and air-phase petroleum hydrocarbons (APH) in office buildings and schools Vapor Intrusion Practice Leader Rich Rago offers an analysis on the new data. Insights from Battelle’s Ninth International Conference on Remediation of Chlorinated and Recalcitrant Compounds Michael Basel and Paul Tornatore discuss industry trends from Battelle’s Ninth International Conference on Remediation of Chlorinated and Recalcitrant Compounds.