substantial change

Also defined in

• Directive 2010/75/EU of the European Parliament and of the Council of 24 November 2010 on industrial emissions… 32010L0075, Article 3, point (9)
  a change in the nature or functioning, or an extension, of an installation or combustion plant, waste incineration plant or waste co-incineration plant which may have significant negative effects on human health or the environment;
• Regulation (EC) No 1221/2009 of the European Parliament and of the Council of 25 November 2009 on the voluntary… 32009R1221, Article 2, point (15)
  any change in an organisation's operation, structure, administration, processes, activities, products or services that has or can have a significant impact on an organisation's environmental management system, the environment or human health
• Directive 2009/31/EC of the European Parliament and of the Council of 23 April 2009 on the geological storage of carbon… 32009L0031, Article 3, point (12)
  any change not provided for in the storage permit, which may have significant effects on the environment or human health
• Directive 2008/1/EC of the European Parliament and of the Council of 15 January 2008 concerning integrated pollution… 32008L0001, Article 2, point (11)
  a change in operation which, in the opinion of the competent authority, may have significant negative effects on human beings or the environment; for the purposes of this definition, any change to or extension of an operation shall be deemed to be substantial if the change or extension in itself…