{
  "url": "https://openlegislation.uk/planning-hazardous-substances-regulations-1992/schedule-1/part-D",
  "json_url": "https://openlegislation.uk/planning-hazardous-substances-regulations-1992/schedule-1/part-D.json",
  "legislation": "uksi/1992/656",
  "legislation_title": "The Planning (Hazardous Substances) Regulations 1992",
  "legislation_url": "https://openlegislation.uk/planning-hazardous-substances-regulations-1992",
  "path": "schedule/1/part/D",
  "kind": "part",
  "number": "D",
  "heading": "INTERPRETATION",
  "text": "In this Schedule—\n(a) references to percentages are references to parts by weight of the substance per 100 parts by weight of the solution;\n(b) “compound fertiliser” means a fertiliser containing ammonium nitrate and phosphate or potash;\n(c) Part C does not include a substance which is within Part A or Part B;\n(d) a substance, or any mixture of substances, shall only be treated as a hazardous substance by virtue of satisfying a description in entry number 37, 66, 67, 68, 69 or 70 when it is in a state in which it satisfies the description;\n(e) the controlled quantity of 25 tonnes in entry 69 refers, in the case of a mixture of substances, to the quantity of substances within that mixture held above their boiling point (measured at 1 bar absolute);\n(f) the controlled quantity of 50 tonnes in entry 70 refers, in the case of a mixture of substances, to the quantity of substances within that mixture having boiling points below 0°C.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "words inserted",
      "affecting": "uksi/2014/162",
      "affecting_title": "The Heavy Fuel Oil (Amendment) Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/1638",
      "affecting_title": "The Explosives Regulations 2014"
    },
    {
      "type": "substituted",
      "affecting": "uksi/1999/981",
      "affecting_title": "The Planning (Control of Major-Accident Hazards) Regulations 1999"
    },
    {
      "type": "am (with transtl provns)",
      "affecting": "uksi/2009/1901",
      "affecting_title": "The Planning (Hazardous Substances) (Amendment) (England) Regulations 2009"
    },
    {
      "type": "am",
      "affecting": "uksi/2010/1050",
      "affecting_title": "The Planning (Hazardous Substances) (Amendment) (England) Regulations 2010"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words inserted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words inserted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words inserted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words inserted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014"
    },
    {
      "type": "substituted",
      "affecting": "wsi/2010/450",
      "affecting_title": "The Planning (Hazardous Substances) (Amendment) (Wales) Regulations 2010"
    },
    {
      "type": "words inserted",
      "affecting": "wsi/2014/375",
      "affecting_title": "The Planning (Hazardous Substances) (Amendment) (Wales) Regulations 2014"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1992/656/schedule/1/part/D",
    "retrieved_at": "2026-10-29T14:25:37.525827+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."
}