“Kingston Secondary School will have its automated heating, ventilation and air conditioning system inspected next week following the publication of a student-written article that found the concentration of carbon dioxide in the school exceeded safe levels.” #IndoorAirQuality #co2 #AirInSchools #RespiratoryViruses #covid https://www.trentonian.ca/news/students-article-spurs-inspection-of-schools-hvac-system