The course includes learning the methods of classification and labeling of hazardous substances and mixtures according to the EC 1907/2006 regulation (REACH) and 1272/2008 (CLP). It also allows to investigate the importance of the GHS (Globally Harmonized System of Classification and Labelling of Chemicals) applied by the United Nations (UN) and the importance of the introduction of the safety data sheet (SDS) in the resulting chemical risk assessment.