Search Legislation

The Control of Major Accident Hazards Regulations 1999

 Help about what version

What Version

  • Latest available (Revised)
  • Original (As made)

More Resources


This is the original version (as it was originally made). This item of legislation is currently only available in its original format.

Regulation 21(1) and (2)


PART 1criteria(This Part sets out the provisions of Annex VI to the Directive)

The criteria referred to in regulation 21(1) are as follows—

1.  Any accident covered in sub-paragraph (a) or having at least one of the consequences described in paragraphs (b), (c), (d) and (e) must be notified to the Commission—

(a)substances involved:

any fire or explosion or accidental discharge of a dangerous substance involving a quantity of at least 5 per cent of the qualifying quantity laid down in column 3 of Parts 2 or 3 of Schedule 1;

(b)injury to persons and damage to property:

an accident directly involving a dangerous substance and giving rise to one of the following events:—

(i)a death,

(ii)six persons injured within the establishment and kept in hospital for at least 24 hours,

(iii)one person outside the establishment kept in hospital for at least 24 hours,

(iv)dwellings outside the establishment damaged and unusable as a result of the accident,

(v)the evacuation or confinement of persons for more than two hours (person x hours): the value is at least 500,

(vi)the interruption of drinking water, electricity, gas or telephone services for more than two hours (person x hours): the value is at least 1,000;

(c)immediate damage to the environment:

(i)permanent or long-term damage to terrestrial habitats:—

  • 0.5 ha or more of a habitat of environmental or conservation importance protected by legislation,

  • 10 or more hectares of more widespread habitat, including agricultural land;

(ii)significant or long-term damage to freshwater and marine habitats:

  • 10 km or more of river or canal,

  • 1 ha or more of a lake or pond,

  • 2 ha or more of delta,

  • 2 ha or more of a coastline or open sea;

(iii)significant damage to an aquifer or underground water:

  • 1 ha or more;

(d)damage to property:

(i)damage to property in the establishment of at least ECU 2 million,

(ii)damage to property outside the establishment of at least ECU 0.5 million;

(e)cross-border damage:

any accident directly involving a dangerous substance giving rise to effects outside the territory of the Member State concerned;

2.  Accidents or `near misses' which Member States regard as being of particular technical interest for preventing major accidents and limiting their consequences and which do not meet the quantitative criteria above should be notified to the Commission.

PART 2information

The information referred to in regulation 21(2) is as follows—

1.  The Member State and the name and address of the competent authority;

2.  The date, time and place of the major accident, including the full name of the operator and the address of the establishment involved;

3.  A brief description of the circumstances of the accident, including the dangerous substances involved, and the immediate effects on persons and the environment;

4.  A brief description of the emergency measures taken and of the immediate precautions necessary to prevent a recurrence.

Back to top


Print Options


Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.


Opening Options

Different options to open legislation in order to view more content on screen at once


More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources