Title: Field measurements of perceived air quality and concentration of volatile organic compounds in four offices of the university building
Citation: INDOOR AND BUILT ENVIRONMENT vol. 24 no. 8 p. 1048-1058
Publication Year: 2015
JRC N°: JRC89357
ISSN: 1420-326X
URI: http://ibe.sagepub.com/content/24/8/1048
DOI: 10.1177/1420326X14537283
Type: Articles in periodicals and books
Abstract: Field measurements of perceived air quality were conducted in four refurbished offices at the Czech Technical University in Prague. The offices were refurbished as part of the research project Clear-up to serve as a field test facility. The present paper describes measurements conducted to investigate the perceived air quality, sensory pollution load and concentration of Volatile Organic Compounds (VOCs) in the offices. As the refurbishment comprised also installation of demand controlled ventilation (DCV), its influence on the perceived air quality was also tested. Measurements comprised the assessments of perceived air quality and objective measurements of operative temperature, relative humidity, CO2 and VOCs concentrations. Results showed that the mean sensory pollution load in unoccupied offices was 0.090.01 olf/m2 (meanSEM). This falls into the category of a low-polluting building according to CEN Report CR 1752. The acceptability of the air quality was worst in unoccupied offices ventilated with minimum air change rate (0.4 h-1). Application of DCV decreased the CO2 concentration, but did not result in statistically significant improvement of perceived air quality.
JRC Directorate:Institute for Health and Consumer Protection Historical Collection

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