ADR (fr. L’Accord européen relatif au transport international des marchandises Dangereuses par Route) – is an international convention on the carriage of dangerous goods. It contains regulations within the scope of road transport regarding packaging, protection of goods and labelling dangerous substances. “ADR” pictogram was used to mark PCC Group’s chemical products, which require taking special care during the transport. Vehicles transporting dangerous substances must be equipped with special labels notifying of hazards. Only persons having appropriate eligibility can transport dangerous goods.