Balla Dimitra MSc, PhD student is chemist (Aristotle University of Thessaloniki, 2013) with a master degree on ‘‘Chemical Analysis – Quality Control” (University of Athens, 2016). She is currently conducting her PhD at the Atmospheric Chemistry and Innovative Technologies Laboratory (AirTech-Lab) at NCSR ‘‘Demokritos’’ in collaboration with Environmental Pollution Control Laboratory of Aristotle University of Thessaloniki, Greece. The objective of her PhD is the ‘‘Study of Chlorinated Alkanes in the Atmosphere’’. She is working as a scientific collaborator in the Atmospheric Chemistry and Innovative Technologies Laboratory of the National Center for Scientific Research ‘Demokritos’ in Athens (October 2018-today). She has also worked as a research scientist in the Environmental Pollution Control Laboratory of the Aristotle University of Thessaloniki, (2014-2018). She has long experience in air quality measurements, analytical assay techniques for persistent and other pollutants, good handling of analytical instruments GC-MS, GC-ECD, IC, MAE, TOC, UV-Vis spectrophotometer, fluorometer, and experience in statistical processing of results. She has been involved in the European research program THALES. She is author of 4 publications in peer-reviewed journals, and 6 conference proceedings and scientific reports.