Abstract
The aim of this study was the identification of the factors that determine the concentrations of particulate matter (PM) in the indoor air of a selected sports facility, as well as the assessment of the health exposure of the sports facility users (pupils aged 8–18 years, trainers and athletes aged 21–40 years) to PM and its components. The mass concentration of size-resolved (PM1, PM1-2.5, PM2.5-4, PM4-10, PM10-100) total suspended particles (TSP) was measured using DustTrak DRX devices. Measurements were conducted for 8 h a day, simultaneously inside and outside a typical sports hall in Warsaw, for 20 days each in the heating (16/10/–20/11/2017) and non-heating (18/05/–21/06/2017) seasons. At the same time, samples of PM4 and TSP were taken (GilAir 3 aspirators) to determine ambient concentrations of PM-bound metals and polycyclic aromatic hydrocarbons (PAH). The main factor affecting TSP concentration in the sports facility was dust resuspension; it was especially visible in variations of coarse PM concentrations. The concentrations of fine PM as well as PM-bound metals and PAHs inside the hall were determined mainly by outdoor sources – combustion of fossil fuels and non-traffic emissions. The incremental lifetime cancer risk (ILCR) related to the exposure of the sports hall users to PM-bound metals and PAHs was in the range of 6.9E-05–1.1E-04; it was higher than that calculated for PM-bound metals and PAHs in atmospheric air (5.4E-05–9.8E-05). The highest ILCR concerns pupils, which inside the sports facility is above the acceptable risk level value of 1E-04.
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