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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
Carbon dioxide
Carbon monoxide
Dry Air
Dust Mite
Nitrogen dioxide
Particulate Matter
Radon gas
Tobacco smoke
Volatile organic compounds (VOC)
Health Effects
Hay fever
Runny nose
Watering eyes.
Difficulty in breathing.
Infantile eczema (a skin disease) may get worse.
Dust mites are tiny insects that are invisible to the naked eye. Every home has dust mites.
They feed on human skin flakes and are found in mattresses, pillows, carpets, upholstered
furniture, bedcovers, clothes, stuffed toys and fabric and fabric-covered items. Body parts
and feces from dust mites can trigger asthma in individuals with allergic reactions to dust
mites, and exposure to dust mites can cause asthma in children who have not previously
exhibited asthma symptoms.
The excretion of the mites contains a number of protein substances. When these are inhaled
or touch the skin, the body produces antibodies. These antibodies cause the release of a
chemical called histamine that leads to swelling and irritation of the upper respiratory
passages - typical asthma and hay fever symptoms. The predisposition for allergy is often
Unlike pollen, dust mites are present all year round causing constant allergy - 'perennial'
allergic rhinitis. The excretion from the mites dries out and can be launched into the air when
someone walks over a rug, sits down in a chair, or shakes the bed clothes, giving allergic
people immediate symptoms.

Actions You Can Take
• Cover mattresses and pillows with dust proof ("allergen-impermeable") zippered
• Wash bedding (sheets, blankets and bedcovers) once per week in hot water.
• Choose washable stuffed toys, wash them often in hot water and dry them thoroughly.
• Keep stuffed toys off beds.
• Maintain low indoor humidity, ideally between 30-50% relative humidity. Humidity
levels can be measured by hygrometers.

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