air pollutants
The two most prevalent oxides of nitrogen are nitrogen dioxide (NO2) and nitric oxide (NO). Both are toxic gases with NO2 being a highly reactive oxidant and corrosive. The primary sources indoors are combustion processes, such as unvented combustion appliances, e.g. gas stoves, vented appliances with defective installations, welding, and tobacco smoke. See Also: http://www.epa.gov/iaq/no2.html
The Environmental Protection Agency describes the air in our homes and businesses as more polluted than the air outdoors. Our Indoor Air Quality is generally three times worse than outside air. In some cases, much worse! Indoor air quality is inaccurately referred to as “dust”. Certainly dust particles are part of the air pollution we filter with our lungs. In fact, particles of dust, pollen and dander amount to about 35% of the air contaminants that cause allergies according to the more »
