Health risk of pupils formed by classrooms’ air pollution

The results of health risk assessment of pupils performed on the basis of the classrooms’ diffusion air sampling in the establishments of the general education and measurements of the pollutants’ concentrations in the air in real time are presented. It was found that classrooms’ air pollution is characterized by multicomponent and significant variability. The major contribution to the value of total cancer risk in the classrooms’ air is made by formaldehyde. The total cancer risk by inhalation routes of benzene, ethylbenzene and formaldehyde administration is higher in the classrooms air compared with ambient air. Hazard index ranges from 1.0 and below under chronic inhalation of classrooms’ air contaminants. Combined exposure to chemicals polluting the classrooms’ air environment, in concentrations not exceeding the established limits, creates an increased risk of respiratory diseases (hazard index value is to 1.4). Diffusion air sampling allows to provide an assessment of classrooms’ air quality, to be the basis for risk assessment, plan and evaluate the effectiveness of “targeted” preventive measures.