EU Seveso III Directive (Directive 2012/18/EU) SEV-Art.9: Domino effects (Seveso III Article 9)

Article 9 obliges competent authorities to identify, on the basis of the information received from operators under Articles 6 + 8 + by any other means, all establishments OR groups of establishments where the likelihood + the possibility OR consequences of a major accident may be increased because of the geographical position + the proximity of such establishments + their inventories of dangerous substances ('domino-effect' establishments). Where the competent authority has identified such establishments + groups, the operators of those establishments must: (a) exchange suitable information to enable each operator to take account of the nature + extent of the overall hazard of a major accident in their MAPP + SMS + safety report + internal emergency plan; (b) cooperate in informing the public + neighbouring sites that fall outside the scope of the Directive + in supplying information to the authority responsible for the preparation of external emergency plans. The Article 9 domino-effect regime addresses cascade-failure risks from spatially adjacent industrial installations.