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Volume 13, No. 6, December 2013, Pages 1723-1730 PDF(226 KB)  
doi: 10.4209/aaqr.2013.02.0045   

Indoor Air Quality in Two University Sports Facilities

Célia A. Alves1, Ana I. Calvo1, Amaya Castro2, Roberto Fraile2, Margarita Evtyugina1, Enow F. Bate-Epey1

1 Centre for Environmental and Marine Studies, Department of Environment, University of Aveiro, 3810-193 Aveiro, Portugal
2 Department of Physics, IMARENAB, University of León, 24071 León, Spain




In July 2012, an indoor/outdoor monitoring programme was undertaken in two university sports facilities: a fronton and a gymnasium. Comfort parameters (temperature, relative humidity, and CO2), CO and total volatile organic compounds (TVOCs) were continuously monitored. Concentrations of NO2, carbonyl compounds and individual VOCs were obtained, after passive sampling, by spectrophotometry, high-performance liquid chromatography and gas chromatography with flame ionisation detection, respectively. Low volume samplers were used to collect particulate matter (PM10). During the occupancy periods, the relative humidity values were within the comfort limits in both buildings, but frequent daytime temperatures over 30°C in the gymnasium make this indoor space rather uncomfortable. The minimum ventilation rates stipulated for acceptable indoor air quality were observed in both sports facilities. It was found that cleaning activities may have a large influence on the VOC levels. Acrolein was one of the most abundant carbonyl compounds, showing concentrations above the recommended limit. Formaldehyde was detected at levels lower than those commonly reported for other indoor environments. In the fronton, the PM10 concentrations obtained during the occupancy periods ranged between 38 and 43 µg/m3. Much higher levels, from 154 to 198 µg/m3, were registered in the gymnasium. Weekend average values lower than 20 µg/m3 were obtained in both sports facilities, which are comparable to the outdoor levels throughout the week. The high particle levels in the gym are mainly due to the climbing chalk and the constant process of resuspension.



Keywords: Indoor air quality; Gymnasiums; Air exchange rates; VOC; PM10.



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