Bernard Polednik is an Associate Professor in Environmental Engineering at the Lublin University of Technology, Poland. He received his Master’s degree in Physical Chemistry from AGH University of Science and Technology in Cracow, Poland. He completed post-graduate studies in Environmental Engineering and received Ph.D. degree from the Lublin University of Technology. His professional interests focus on environmental contaminations and the quality of indoor and outdoor air.Slawomira Dumala, Ph.D. Eng., graduated from the Lublin University of Technology in 2002 and received a Master’s degree in Environmental Protection with a specialization in Heating, Ventilation and Air Protection. Since 2005, she has been working at the Faculty of Environmental Engineering of Lublin University of Technology. She received a Ph.D. degree in Technical Sciences in the discipline of Environmental Engineering. She is a double scholarship holder under the Human Capital Operational Program - ＂Scholarship for PhD students II＂ and ＂Scientific scholarships for PhD students working within research teams＂. She is authorized to prepare energy certificates and characteristics and is an expert on thermal imaging research. Currently, she is involved in the study of indoor air quality, methods of cleaning and removing aerosol and bio-aerosol pollutants.Lukasz Guz, Ph.D. Eng., was born in 1981 in Lubartów, Lublin voivodship, Poland. In 2007 he received an M.Sc. degree at the Faculty of Environmental Engineering of Lublin University of Technology. Since that time he has been working in Department of Environmental Protection Engineering and in 2018 he successfully defended his Ph.D. The main fields of scientific activity are indoor and outdoor air pollution, measurement methods in environmental engineering, HVAC and renewable energy systems as well as building physics. He published over 36 papers, 19 chapters in monographies, 11 Polish patents, 38 Polish patent applications.Adam Piotrowicz, Ph.D. Eng., was born in Lublin, Poland. In 2001 he received an M.Sc. degree in Environmental Protection from the Lublin University of Technology. In 2012 he successfully defended Ph.D. at his alma mater. For many years he has been employed at the Faculty of Environmental Engineering of the Lublin University of Technology, currently as an Assistant Professor. His research interests are related to air pollution from anthropogenic sources in urban areas. He is the author or co-author of several dozen publications in the field of environmental engineering and several patents.