Xunke standards, indoor air monitoring

rb(, , ); n-: Microsoft Yahei, r, Song Dynasty, nr; ; n-: ;">A large number of foreign research results show that indoor air pollution can cause pathogenic building syndrome (BB), with symptoms including headache, Eye, nose and throat discomfort, dry cough, dry itchy skin, dizziness, nausea, difficulty concentrating and sensitivity to smells, etc. Building-related disease (BR), symptoms include cough, chest tightness, fever, chills and muscle pain.< br/> < rn: ; n: ; brr-: ; --: nn; rb(, , ); n-: Microsoft Yahei, r, Song Dynasty, nr; ; n-: .; ;"> in one's life About % of the time is spent indoors, and the average person inhales cubic meters of air per day, while urban residents spend about %% of the time in various indoor environments every day. You can imagine how important indoor air testing is to people's health. A scientific research result from the U.S. Environmental Protection Agency shows that indoor air pollution is generally three times more serious than outdoor air pollution, and can reach up to three times under special circumstances. The National Academy of Sciences estimates that indoor air pollution costs the United States about $100 million to $100 million in medical costs each year. Indoor air pollution has been attributed to one of the quasi-environmental factors that endangers public health.

< r" ; n-: ; : ; r: b; rb(, , ); n-: Microsoft Yahei, r, Song Dynasty, nr;">
< _" r: b; rn-: ; rn-b: ; -n: nr; rb(, , ); n-: Microsoft Yahei, r, Song Dynasty, nr; ; n-: .;">