At present, there are many kinds of indoor air pollutants, there are hundreds of known, here I give you examples of the following common indoor air pollutants:
First, formaldehyde, formaldehyde can be said to be a typical representative of indoor air pollutants, its main sources are furniture and fabrics, wood fillers, building sources, cleaning agents, cosmetics and personal products, etc. , among them is mainly man-made board. Long-term exposure to excessive levels of formaldehyde in the environment, it is easy to lead to formaldehyde poisoning, serious cases can also cause chronic respiratory diseases, sore throat, Neurasthenia, memory loss, etc. . The World Health Organization in 2004 issued no. 153″Formaldehyde carcinogenic” bulletin, confirmed that formaldehyde is carcinogenic substances.
In general, benzene mainly from synthetic fiber, plastic, fuel, rubber, etc. , hidden in the paint, various paint additives and various adhesives, waterproof materials, etc. , long-term inhalation can cause allergic eczema, aplastic anemia, dizziness, insomnia, fatigue, poor thinking and judgment. Can destroy the circulatory system, so that the bone marrow hematopoietic dysfunction, causing aplastic anemia, can seriously induce leukemia.
Radon gas mainly exists in building cement, cinder brick and decorative stone. The main hazard of radon is lung cancer, which is the second leading cause of lung cancer besides smoking.
The main source of ammonia in the room is concrete antifreeze. Ammonia harm to human body is mainly to respiratory tract, eye mucosa and skin irritation and damage. According to GB/T 18883-2022 control standard, the concentration of ammonia in indoor air is less than 0.2 mg per cubic meter.
TVOC is the abbreviation of total volatile organic compounds, TVOC classification for alkanes, aromatic hydrocarbons, alkenes, halogenated hydrocarbons, esters, aldehydes, ketones and other. TVOC mainly comes from a wide range of sources, such as paint, glue or board furniture, home of coal, gas, heating, cooking and other products, tvoc is also produced by human body emissions and transportation. It is believed that TVOC can cause the disturbance of immune system and affect the function of central nervous system and digestive system. Light person appears skin allergy, sore throat, headache, dizziness, lethargy, chest tightness, fatigue, anorexia, nausea and other symptoms. Severe cases can cause bronchitis, allergic asthma, pneumonia, pulmonary edema. Severe damage to the liver and hematopoietic system function, allergic reactions and so on.