{
  "url": "https://openlegislation.uk/control-of-major-accident-hazards-regulations-1999/schedule-4/part-2/paragraph-3",
  "json_url": "https://openlegislation.uk/control-of-major-accident-hazards-regulations-1999/schedule-4/part-2/paragraph-3.json",
  "legislation": "uksi/1999/743",
  "legislation_title": "The Control of Major Accident Hazards Regulations 1999",
  "legislation_url": "https://openlegislation.uk/control-of-major-accident-hazards-regulations-1999",
  "path": "schedule/4/part/2/paragraph/3",
  "kind": "paragraph",
  "number": "3",
  "heading": null,
  "text": "Description of installation:\n(a) a description of the main activities and products of the parts of the establishment which are important from the point of view of safety, sources of major accident risks and conditions under which such a major accident could happen, together with a description of proposed preventive measures;\n(b) description of processes, in particular the operating methods;\n(c) description of dangerous substances:\n(i) inventory of dangerous substances including—\nthe identification of dangerous substances: chemical name, the number allocated to the substance by the Chemicals Abstract Service, name according to International Union of Pure and Applied Chemistry nomenclature;\nthe maximum quantity of dangerous substances present;\n(ii) physical, chemical, toxicological characteristics and indication of the hazards, both immediate and delayed for people and the environment;\n(iii) physical and chemical behaviour under normal conditions of use or under foreseeable accidental conditions.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "word substituted",
      "affecting": "uksi/2005/1088",
      "affecting_title": "The Control of Major Accident Hazards (Amendment) Regulations 2005"
    },
    {
      "type": "word substituted",
      "affecting": "uksi/2005/1088",
      "affecting_title": "The Control of Major Accident Hazards (Amendment) Regulations 2005"
    },
    {
      "type": "substituted",
      "affecting": "uksi/2005/1088",
      "affecting_title": "The Control of Major Accident Hazards (Amendment) Regulations 2005"
    },
    {
      "type": "added",
      "affecting": "uksi/2005/1088",
      "affecting_title": "The Control of Major Accident Hazards (Amendment) Regulations 2005"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1999/743/schedule/4/part/2/paragraph/3",
    "retrieved_at": "2026-10-29T10:55:56.898069+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}