In mid-October, EPA released new guidance to help protect and improve indoor air quality (IAQ) in school buildings during upgrades, particularly building renovations and energy efficiency upgrades. The guidance is written to help risk managers, school facility managers, building operators, and others prevent and control potentially harmful conditions during building renovations and construction activities that can create dust, introduce new contaminants and contaminant pathways, create or aggravate moisture problems, and result in inadequate ventilation of occupied spaces. The document addresses 23 priority issues and contaminants identified by EPA to be commonly associated with building upgrades, including moisture control and mold, asbestos, polychlorinated biphenyls (PCBs), exhaust ventilation, protecting IAQ during construction, and job-site safety.