The pollution of home decoration in Guangzhou is serious, and the rate of formaldehyde exceeding the standard is as high as 91.9%! A few days ago, the Guangzhou Science Popularization Forum hot talks, a report entitled "Investigation and Discussion on the Pollution Status of Home Furnishings in Guangzhou" published a series of shocking data. “Urban people spend 90% of their time indoors, and indoor environmental pollution must be highly concerned,†said Zhou Zhiming, a materials expert.
Li Yingxia, the municipal environmental testing center station, said in the investigation report “Investigation and Discussion on the Pollution Status of Home Furnishing in Guangzhouâ€, the indoor environmental pollution is more severe in summer than in winter. Mainly because of the air conditioning in summer, no ventilation. The average concentration of formaldehyde is 0.211mg/m3, which is 1.11 times higher than the standard. The over-standard rate is up to 91.9%, and the maximum multiple is 13.9 times. Newly renovated luxury homes are the most polluted, with formaldehyde concentrations exceeding 5.06 times the national standard limit. It is reported that formaldehyde has been identified as carcinogenic and teratogenic substances by the World Health Organization. Long-term exposure to formaldehyde can cause nasopharyngeal cancer, colon cancer, brain cancer, lung cancer, endocrine disorders and genetic mutations.
“Every day, we inhale 11,000 liters of air, which is six or seven times more than the water we drink. Urban people spend 90% of their time indoors. The quality of indoor air is directly related to people's health.†Zhou Zhiming Worry to say, at present, indoor environmental hazards have surpassed natural hazards. Lung cancer has replaced cardiovascular and cerebrovascular diseases as the first disease killer in China. Every 10-15 years, the prevalence of this disease will double, and the situation is grim. .
Luxury decoration, it is easy to increase indoor environmental pollution. "Foshan has a pair of old people, with grandchildren living in the newly renovated house, two or three weeks, all three suffer from leukemia. After testing, the formaldehyde and benzene of this house are seriously exceeded." Zhou Zhiming revealed that China Standards Association and According to a survey conducted by the China Children's Health Care Center for Disease Control and Prevention, there are 2.1 million children who die each year from respiratory infections caused by decoration pollution, and the death causes of more than 1 million children under the age of 5 are related to indoor air pollution.
Expert advice: open the window
“We must pay attention to ventilation!†Zhou Zhiming emphasized, “Ventilation is the most effective and simple way.†Song Hong, professor of the School of Public Health at Sun Yat-sen University and director of the Department of Preventive Medicine, suggested that residents plant some plants such as green radish, kumquat, and spider plant, or Use activated carbon, barbecue charcoal, etc. to absorb toxic and harmful substances. In addition, it is also crucial to choose from the selection of decoration materials. Use building materials that meet national safety standards, use splints as little as possible, do not use paint for water-based paints, use as little adhesive as possible, and pay attention to radioactivity when purchasing stone.
The five major culprits of indoor decoration pollution
[Formaldehyde] Formaldehyde has a strong odor. The artificial board uses a binder and contains formaldehyde. After inhaling high concentrations of formaldehyde, severe irritation of the respiratory tract can occur. Direct contact with formaldehyde on the skin can cause dermatitis. Frequent inhalation of formaldehyde can cause chronic poisoning.
[Benzene] A colorless, liquid with a distinctive aroma. Long-term inhalation leads to aplastic anemia.
[TVOC] Volatile organic compounds. Mainly from paints, adhesives and so on. Can cause dizziness, headache, lethargy, weakness, chest tightness and other symptoms.
[Ammonia] is highly soluble in water and is highly irritating to the eyes, throat and upper respiratory tract. Prolonged exposure to low concentrations of ammonia, causing laryngitis, hoarseness, and pulmonary edema.
[æ°¡] A radioactive inert gas, colorless and odorless. It exists in cement and sand, and its pollution is second only to smoking, which is listed as the second cause of lung cancer.
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