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The air in its pure form, free of toxic gases and particles, contains mainly hydrogen and oxygen essential for the survival of human beings.
Usually are present in air pollutants known as chemical contaminants, the most common ones are carbon dioxide, carbon monoxide, nitric oxide and nitrogen dioxide, sulfur dioxide, benzene and ozone.
Another category of air contaminants is called particulate contaminants. These can be dust particles in suspension, such as PM10, that is fine particulates that are inhaled very easily given the small size.
Of particular importance are then organic contaminants, represented by micro-organisms or part thereof (fungi, molds, yeasts, bacteria, viruses, allergens of mites and other particles such as pollen allergogene, hair and proteins of many domestic animals), because they are responsible for more absences from school, from work with a significant health impact in terms of medical visits and hospital admissions.
Ia concentration of organic contaminants is particularly important in enclosed spaces because it is in this type of environment that they find the ideal conditions of temperature, moisture and nutrition for their proliferation. Several studies have shown that an internal housing is 100 times more contaminated and sternum.
Many organic contaminants are originally produced in outdoor environments and invade the interior through the doors and windows: this is the case of pollen and mold.
- The pollen produced by plants can cause allergic rhinitis, which occurs at certain times of the year, mainly in the spring season during which most of the plants bloom.
- Mushrooms and molds originate from soil and vegetation, they are responsible for the natural decomposition of organic matter. Colonies of fungi by releasing tiny particles into the (invisible to the naked eye), called spores. These spores can be transported over long distances in air and enter the buildings. When facing surfaces are capable of providing moisture and nutrients in sufficient quantity form a new settlement which can be seen with the naked eye, such as mold on the walls of the house ..
The proliferation of microorganisms such as bacteria and fungi is often favored by the failure to adopt a protocol in the maintenance and in setting up temperature and relative humidity to the air conditioning.
This is because the filters of air-conditioning systems retain microorganisms that can proliferate within the same filters that act, if not changed frequently, from the medium with the result that fungus and bacteria are continuously released into the environment through contaminated filters .
For this reason, cleaning and maintenance of the filters of air conditioning and central heating systems must be done regularly.
Colonies of fungi as there are patches of mold may be colored green, white or bluish and occur in the walls, the surfaces of plants, food, textiles and other materials.
In some cases you may hear a distinctive smell commonly known as the "odor of mold."
Normally, the odor of rot and mold problems in the visible mean quality, because of the large quantity of spores released.
It 'good to eliminate the outbreaks of mold and the bubbles before and after their occurrence, as well as the consequences for the health-destroying mold surfaces, where proliferating, can be permanently damaging the electronics.
A colony of mushrooms, a spot of mold, causing a continuous release of spores into the air. When inhaled, they can trigger allergic crisis causing breathing difficulties, nasal congestion, colds, sneezing, throat irritation, cough, fatigue and difficulty concentrating.
We can say that they are capable of causing toxic reactions, which according to some studies, is believed to be 40 times more toxic when inhaled than when ingested are.
Less common are infections caused by fungi and acquired through inhalation of spores that attack primarily individuals whose body has a very compromised immune system. These infections are extremely serious, with a difficult diagnosis, and have a high mortality rate.
It appears that the problem of mold is very serious and not merely an unpleasant odor or a stain. This invader is responsible for the movement of millions of dollars in the United States, an area which is called "mold industry, these costs include:
1. - Costs for treating various diseases resulting from contact with the mold;
2nd - Costs for cleaning and replacement of damaged parts;
3rd - Causes insurance (insurance for health and household) for damage caused by the invaders;
- Proceedings against builders, contractors, architects, maintenance of buildings to the shortage of materials of construction, architectural errors and maintenance.
- Viruses and bacteria are the cause of many illnesses such as colds and influence meningitis, tuberculosis and pneumonia, which can be spread by infected people in that way without direct physical contact between them and healthy people.
-Mites are arachnids of the same family of spiders. These microorganisms are responsible for 80% of respiratory allergies in humans, including the most serious of these: asthma.
One gram of poor, can contain more than 40,000 million mites and their allergens are sufficient but only 100 mites per gram of poor to trigger allergic reactions!
- Many people know that pets cause allergies and almost all these reactions involve the hair of animals. Actually the hair can accumulate allergens such as fungi, mites and pollen, but in truth the major allergens are proteins in the skin, the sebaceous secretions and saliva of these animals.
For people asthma, attention in relation to domestic animals should be substantial, as several studies show a strong correlation between the asthma crisis and the presence of animals in the house.
The proteins that cause allergies, may remain suspended in the air and persist in the environment for days. They are easily transported to different media, showing their presence in local foreclosed to animals.
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