layout about the most common dangerous domestic pollutants we can find in our homes

house home building pollution particulate matter sick syndrome disease diagram scheme indoor air quality indoors pollutants concept concepts carbon monoxide asbestos radon test formaldehyde nitrogen dioxide oxide volatile organic compounds secondhand smoke conditioning ventilation lead particles mold biological contaminants poisonous pesticides tobacco stoves heaters vocs passive smoking cigarette fungal mite dust household products stale vapors bacteria germs layout about most common dangerous domestic find our homes which cause poor chronic