Abstract
The paper includes the identification of the main factors responsible for the temporal variations of indoor pollutants during three daily intervals in a photocopying shop. The measurements of concentration levels of total volatile organic compounds, ozone, carbon monoxide, carbon dioxide, nitrogen dioxide, ammonia, perchloroethylene and non-methane hydrocarbons were performed. The individual concentrations of target pollutants were subjected to principal component analysis (PCA) using a software XLSTAT 2014.1.10. Pearson correlation model indicated the relatively weak correlation between the investigated pollutants in a photocopying environment. PCA extracted three principal components (PCs) from the indoor air pollution data set. Obtained PCs explained 56.72 % of the total variance. The summarized biplots showed which pollutants are responsible for photocopying indoor pollution per sampling day/sampling point/time interval/number of measurement. The results pointed out that the main PCs were related to the usage of toners, electrostatic discharge, heating of photocopiers as well as general intensifying of photocopying processes.
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The authors acknowledge the financial support of the Ministry of Education, Science and Technological Development of the Republic of Serbia (Project No. TR 34014).
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Kiurski, J.S., Oros, I.B., Kecic, V.S. et al. The temporal variation of indoor pollutants in photocopying shop. Stoch Environ Res Risk Assess 30, 1289–1300 (2016). https://doi.org/10.1007/s00477-015-1107-4
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DOI: https://doi.org/10.1007/s00477-015-1107-4