Effects of TSP in Classroom Air on Teachers' Health
- VernacularTitle:教室空气总悬浮颗粒物污染对教师健康的影响
- Author:
Hengsheng HU
;
Li HUANG
;
Jie WU
- Publication Type:Journal Article
- Keywords:
Air pollution,indoor;
Total suspended particulate;
Health
- From:
Journal of Environment and Health
1992;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the effects of TSP in classroom air on teachershealth.Methods Air sampling was car-ried out nearby the platform in each in use-classroom at flow of100L/min continuously for6h(n=270)and in office building as controls(n=10)in a university.An investigation on the prevalence of respiratory diseases was performed also.Results The concentration s of TSP were0.10-0.88mg /m 3 in classroom air with a average level of0.38mg /m 3 ,and only0.09mg /m 3 in office air of the university,and0.194mg /m 3 in the ambient air respectively.The TSP concentrations in the classromms exceeded the National Standard of Ambient Air Quality GradeⅢ.The prevalence rates of respiratory diseases including acute and chronic phyryngitis,acute tracheobronchitis and chronic bronchitis were23.3%,73.9%,4.0%and17.4%for teachers,only4%,2.8%,3.2%and7.1%for administrative staff respectively.Con clusion The classroom air pollution by TSP had adverse effects on teachershealth in classrooms.
