Among the several harmful substances that cause indoor environmental pollution, formaldehyde, ammonia, etc. have a strong pungent odor and the human body feels easily. Like radioactive material such as cockroach, it is colorless and odorless, and it is not easy for the human body to feel, but it is extremely harmful to people. It exists in building cement, mining bricks, decorative stone, and soil. Its main hazard to the human body is lung cancer. It is the second most common cause of lung cancer except smoking.
For foreigners, this kind of radioactive material harms the human body, and foreign countries have always attached great importance to it. In the United States, when building a new house, the relevant department will conduct a radon determination on the soil at the site of the site to determine the level of barium in the area. If it exceeds the standard, the builder will be advised to relocate and avoid the highland area. The United States will also set the third week of October every year as a publicity week to remind people of the dangers of scorpion.
Misunderstanding 2: As long as the materials used in the renovation are up to standard, there must be no pollution in the room.
In the renovation, the use of up-to-standard material is only the most basic requirement, but if the design and process are not scientific, it will also cause indoor environmental pollution. For example, when decorating the floor, experts will suggest that you shouldn't all be wood flooring or all paving tiles. It should be a part of the room with wooden floors, while the other part of the room can be floor tiles. Because even if the materials you use are up to standard, the large use of wood floors within the unit area is likely to cause formaldehyde to exceed the standard, while large-scale use of floor tiles may lead to excessive radioactive materials.
Myth 3: Only pay attention to decoration and neglect indoor pollution caused by furniture
In March 2006, a teacher at a Beijing university ordered a set of bedroom furniture worth 6,400 yuan. On April 2, the furniture arrived at home and at the time it smelled a strong pungent scent. As the weather gets warmer, the odor increases, especially in the bedroom where the furniture is stored. There is no way to open the window. In less than a month, Yang's teachers have a feeling of physical discomfort. After testing, it was found that the amount of formaldehyde in the air in the room where the furniture was stored exceeded the standard by more than six times.
In addition to hard furniture, some soft furniture such as mattresses, sofas, etc. will also cause indoor environmental pollution. Now people know black-core mattresses, but black-core sofas are still unknown to many people. Not long ago, an inspector discovered in a furniture city in Beijing that some of the noble and noble sofas were full of glued sponges. Most of these viscose contain heavy formaldehyde and benzene. Covered in luxurious leather and cotton coats, these broken sponges slowly emit harmful gases that poison people’s health and cause radioactive substances to exceed the standards.
Misunderstanding 4: only pay attention to the family environment, do not pay attention to the pollution of other public places
In the early summer of 2006, employees of a US law firm's Beijing office generally reported headaches, irritability, dry mouth, and tears, which seriously affected normal work. On June 28, the institute commissioned a monitoring agency to conduct tests. As a result, it was found that the formaldehyde content in the air in the office exceeded the national standard due to the decoration. In case of failure to negotiate with the decoration company, the firm formally submitted an arbitration application to the China International Economic and Trade Arbitration Commission. As a result of the arbitration, the decoration company returned 20% of the decoration fees and interest of the law firm totaling RMB 230,000, and the formaldehyde pollution of the office was eliminated within two years from the date of the award. All the arbitration fees and legal fees were borne by the decoration company.
Except for offices, some entertainment venues, shopping malls, conference halls, etc. have different levels of air pollution. The time for staying in these places should not be too long. Try to avoid the peak period of people flow.
Myth 5: Insufficient emphasis on household appliances, biological mold, etc.
In addition to the indoor air pollution caused by building materials, decoration materials, and furniture, household appliances, office equipment, and biological molds are also important factors causing indoor environmental pollution. In particular, mold contamination has not yet attracted enough attention from people, and its The damage is very serious. For example, in the United States, there have been incidents in which children in one area died one after another. The result was found to be due to molds growing on the walls.
Myth 6: Only know that ventilation can clean air, but I do not know how to properly ventilate
Experts point out that the best time to open windows for ventilation is from 9 am to 4 pm. During this time, due to the relatively high temperature, pollutants in the air are easily emitted, and the outdoor air is relatively clean. At the same time, some sources of pollution also need to reach a certain temperature to emit harmful gases. Therefore, ventilation during the warmer hours of the day is more conducive to the removal of indoor pollutants.
Myth #7: I know that the purifier can purify the air, but I do not know how to use it rationally
Not all air purifiers are used, even if they pass the inspection of qualified products, but also according to their actual situation. Different types of pollution should be removed. Different products should be selected. If used improperly, it will not only eliminate the pollution but also cause secondary pollution. Therefore, before purchasing an air purifier, be sure to find out what the source of pollution is in the room. At the same time, read the product specification in detail, or consult the relevant experts.
Misunderstanding 8: Know that the indoor environment should be tested, but do not know what kind of testing unit to choose
According to the relevant regulations, the unit that conducts indoor environmental testing must undergo examination and approval to obtain corresponding testing qualifications; the testing personnel must undergo training and pass the examination before they can obtain the inspection qualification certificate. Nowadays, there are many units in the society that claim that they can detect the indoor environment. Consumers must enhance their awareness of self-protection. After examining the qualifications of testing organizations and testing personnel, they will decide whether to entrust them with testing.
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