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With today’s tightly sealed, well insulated buildings, the air inside can be much more polluted.
Step : Select pollutant source from the right column and see below for more information
Step : View our range of test products to help identify the source and severtiy of pollution
Step : View our range of products for effective remediation of threat to your health and safety.
Pollution Source
Asbestos
Bacteria/Viruses
Carbon dioxide
Carbon monoxide
Dry Air
Dust Mite
Humidity
Lead
Mould
Nitrogen dioxide
Noise
Odours
Ozone
Particulate Matter
Pollen
Radon gas
Tobacco smoke
Volatile organic compounds (VOC)
Health Effects
Eye, nose, and throat irritation.
May cause impaired lung function
Increased respiratory infections in young children.
pulmonary edema
Diffuse lung injury
Bronchitis
Description
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.

Source of Nitrogen dioxide includes Kerosene heaters, un-vented gas stoves and heaters. Environmental tobacco smoke.

NO2 acts mainly as an irritant affecting the mucosa of the eyes, nose, throat, and respiratory tract. Extremely high-dose exposure may result in pulmonary edema and diffuse lung injury. Continued exposure to high NO2 levels can contribute to the development of acute or chronic bronchitis. Low level NO2 exposure may cause increased bronchial reactivity in some asthmatics, decreased lung function in patients with chronic obstructive pulmonary disease and increased risk of respiratory infections, especially in young children.


Reduce exposure by venting the NO2 sources to the outdoors, and assuring that combustion appliances are correctly installed, used, and maintained are the most effective measures to reduce exposures.


 
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