Which physical hazard classifications are currently relevant to Seveso?
Several generic categories of dangerous substances in Annex 1 Part 2 of Seveso cover substances with physical properties: • Oxidising • Explosive • Flammable liquids • Highly flammable liquids • Extremely flammable gases and liquids • Substances which react violently with water or when in contact with water emit flammable gases with risk phrases R14, R14/15 and R29 Identifying the classification of a substance or preparation with physical properties under the EC Dangerous Substances and Preparations Directives is the first step in determining if Seveso applies. Next, the Notes to Annex 1 Part 2 of Seveso must be applied. These set out additional criteria to clarify which substances are in scope.