Effects of TSP in Classroom Air on Teachers' Health / 环境与健康杂志
Journal of Environment and Health
;
(12)1992.
Article
in Chinese
| WPRIM
| ID: wpr-538218
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.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Journal of Environment and Health
Year:
1992
Type:
Article
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