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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Exposure of children to atmospheric aerosol in school gyms
 Šafránek, Jiří ; Braniš, Martin (advisor) ; Holcátová, Ivana (referee) ; Heller, Jan (referee)
Research into indoor environment has shown that schools are buildings with high- levels of particulate matter concentrations. This is especially the case of schools situated in high-density traffic or in industrial areas. Several studies have also proven the impact of PM on the teenage generation's health. So far no detailed study has been performed to cover the environment of school gyms where the PM dynamics are different from other indoor microenvironments. This different dynamics relates to the gym environment heterogeneity and to the human activities taking place in it. Due to higher pulmonary ventilation, the exposure of the exercising pupils can reach levels possibly noxious to their health. Size resolved mass concentrations of aerosol were measured in three elementary Schools in Prague. One school was situated in the city centre with high traffic density. The second school was situated on a plateau on the periphery with a medium level traffic. The third school can be found in Prague south-western suburbia, in an open landscape, with low traffic density. PM concentrations were measured simultaneously in naturally ventilated gyms and outdoors ajacent to the particular school building. Two pairs of monitors were used throughout the study: A DustTrak Aerosol Monitor and a Personal Cascade...
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