Minnesota Offers First-Time Guidance On Indoor Pollution Vapors

Minnesota officials have issued first-time guidance for assessing the health risks posed by migrating indoor air pollutants that stem from groundwater and soil contaminated by petroleum wastes near residential and industrial buildings. The state is one of the first to address migrating groundwater and soil pollutants that can affect indoor air quality, and comes as EPA is working on its own national guidance to address contaminant vapors. The Minnesota Pollution Control Agency's vapor intrusion guidance for petroleum contaminated sites, which...