How to convince the boss to buy an air purifier?
The office space is large, the number of people and the miscellaneous items are extremely complicated indoor environments. The decoration materials are just one of the many sources of pollution. Moreover, environmentally friendly materials only control the volatile concentration of pollutants below the national standard, and it does not mean that it does not exist.
Sources of pollution: The source of indoor pollution is very complicated. First, the decoration materials are polluted. Tables, chairs, wallpapers, and floors may emit formaldehyde. The carpet may release formaldehyde and dichlorobenzene. The paint on the surface of the file cabinet is benzene, toluene, and xylene. The main source; the second is the pollution caused by office supplies and the surrounding environment, such as the electrostatic effect of the printer under working conditions, will produce a lot of ozone and dust, even the cleaning agent will release a variety of volatile organic compounds and ammonia during use. Irritating gas.
Gathering more and more: Even qualified materials mean that the content of toxic and hazardous substances is below a certain standard, not without. Therefore, if a large amount of the same material is used in a room, the indoor air quality may not meet the requirements or even exceed the standard due to the additive effect.
Statistics: The China Indoor Decoration Association Environmental Testing Center has conducted sampling tests on indoor air in Beijing’s office space. The results show that the excess rates of harmful substances such as ammonia and formaldehyde are 80.56% and 42.11%, respectively. Overall, the air condition of the office space is still not optimistic.
Central air conditioning and fresh air systems are not only unable to fundamentally solve the problem of air pollution. If they are not cleaned up, they are more likely to become new sources of pollution.
Microbial base camp: If the central air conditioner is operated for a long time and has not been cleaned for many years, the dust in the air duct can be as thick as three or four centimeters. It can easily become a medium for viruses, bacteria, fungi and other microorganisms under constant temperature and humidity conditions. Air circulation spreads throughout the space, and diseases transmitted through the respiratory tract are more easily spread.
Secondary pollution: The main function of the fresh air system is ventilation and ventilation. In the process, although the introduced fresh air is also filtered, the filtering effect is not ideal when the outdoor environment is very bad. In particular, although some office buildings have a central fresh air system, they may not be opened for a long time, or they may not be maintained for a long time, and the latter may easily cause secondary pollution of dust.
Cruel reality: The National Health Department’s spot check report of 937 central air conditioners in Beishangguang and some provincial capital cities shows that 47.1% are serious pollution, 46.7% are moderately polluted, and the pass rate is only 6.2%. The detection indicators are dust accumulation, bacterial content and fungal content. It can be seen that central air-conditioning has gradually become a source of pollution that cannot be ignored in office space.
People often associate green plants with air-cleaning guardians. However, it is also overestimated to get air pollution by relying on a few leaves.
If you really want to rely on plants: Take formaldehyde as an example. According to the research data of China Agricultural University: in a room with 100m2, 3m height and 0.2mg/m3 formaldehyde concentration, 1800 pots of green radish are needed at the same time. Reduced to the national standard of 0.08 mg / m3, this is still in the case of sufficient daylight, and to ensure that no formaldehyde is released during the absorption process – and in fact, the formaldehyde in the room after renovation is constantly being released. Therefore, it is not practical to rely on plants to remove formaldehyde.
Overestimated green plants: As for particulate pollutants, it is even more impossible to expect green plants. Plants only exchange gas with the environment through the pores of the surface, but they do not actively adsorb particles. The dust particles in the air can only be passively deposited on the surface of the plant, and finally only the ending of a layer of gray on the leaves.
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