Dipl. Chemist K. Pantazis and Msc Eng. S. Zerva of the Analytical Chemistry Dept. of ELKEME participated in the 15^th International Conference on Environmental Science and Technology (CEST 2017) held in Rhodes, Greece, from 31^st August to 2^nd September 2017.  Engineers, scientists, researchers, students, managers and other professionals were brought together in order to address and discuss emerging environmental issues. The main aim of the conference was the presentation of state-of-the art research and innovative technologies to address local and international critical environmental issues.