Frequently asked questions
Understanding changes in nomenclature

Do industrial accidents lead to changes in the nomenclature of classified facilities?

Industrial accidentology is the driving force behind changes to the nomenclature of classified facilities. Feedback from accidents at classified facilities is taken into account both in Community regulations, in particular the Seveso Directive, and in the thresholds of the nomenclature for classified facilities. For example, the explosion at the AZF plant in Toulouse in September 2001 prompted the public authorities to modify headings 1330, 1331 and 1332 of the nomenclature relating to ammonium nitrates and fertilizers.

What are the consultation stages prior to modifying nomenclature headings?

The modification of a nomenclature heading for classified installations is subject to a prior procedure of consultation and dialogue with...