{
  "url": "https://openlegislation.uk/notification-of-installations-handling-hazardous-substances-regulations-1982/schedule-1/part-I",
  "json_url": "https://openlegislation.uk/notification-of-installations-handling-hazardous-substances-regulations-1982/schedule-1/part-I.json",
  "legislation": "uksi/1982/1357",
  "legislation_title": "The Notification of Installations Handling Hazardous Substances Regulations 1982",
  "legislation_url": "https://openlegislation.uk/notification-of-installations-handling-hazardous-substances-regulations-1982",
  "path": "schedule/1/part/I",
  "kind": "part",
  "number": "I",
  "heading": "NAMED SUBSTANCES",
  "text": "1\n2\nSubstance\nNotifiable quantity tonnes\nLiquefied petroleum gas, such as commercial propane and commercial butane, and any mixtures thereof held at a pressure greater than 1.4 bar absolute\n25\nLiquefied petroleum gas, such as commercial propane and commercial butane, and any mixture thereof held under refrigeration at a pressure of 1.4 bar absolute or less\n50\nPhosgene\n2\nChlorine\n10\nHydrogen fluoride\n10\nSulphur trioxide\n15\nAcrylonitrile\n20\nHydrogen cyanide\n20\nCarbon disulphide\n20\nSulphur dioxide\n20\nBromine\n40\nAmmonia (anhydrous or as solution containing more than 50% by weight of ammonia)\n100\nHydrogen\n2\nEthylene oxide\n5\nPropylene oxide\n5\ntert–Butyl peroxyacetate\n5\ntert–Butyl peroxyisobutyrate\n5\ntert–Butyl peroxymaleate\n5\ntert–Butyl peroxy isopropyl carbonate\n5\nDibenzyl peroxydicarbonate\n5\n2,2–Bis(tert–Butylperoxy)butane\n5\n1,1–Bis(tert–Butylperoxy)cyclohexane\n5\nDi–sec–Butyl peroxydicarbonate\n5\n2,2–Dihydroperoxypropane\n5\nDi–n–propyl peroxydicarbonate\n5\nMethyl ethyl ketone peroxide\n5\nSodium chlorate\n25\nCellulose nitrate other than—(a) cellulose nitrate to which the Explosives Act 1875 applies; or (b) solutions of cellulose nitrate where the nitrogen content of the cellulose nitrate does not exceed 12.3% by weight and the solution contains not more than 55 parts of cellulose nitrate per 100 parts by weight of solution\n50\nAmmonium nitrate and mixtures of ammonium nitrate where the nitrogen content derived from the ammonium nitrate exceeds 28% of the mixture by weight other than—\n(a) mixtures to which the Explosives Act 1875 applies; or\n(b) ammonium nitrate based products manufactured chemically for use as fertiliser which comply with Council Directive 80/876/EEC\n500\nAqueous solutions containing more than 90 parts by weight of ammonium nitrate per 100 parts by weight of solution\n500\nLiquid oxygen\n500",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "words substituted",
      "affecting": "uksi/2005/1082",
      "affecting_title": "The Manufacture and Storage of Explosives Regulations 2005"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2002/2979",
      "affecting_title": "The Notification of Installations Handling Hazardous Substances (Amendment) Regulations 2002"
    },
    {
      "type": "words substituted",
      "affecting": "uksi/2002/2979",
      "affecting_title": "The Notification of Installations Handling Hazardous Substances (Amendment) Regulations 2002"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1982/1357/schedule/1/part/I",
    "retrieved_at": "2026-10-29T18:14:13.357575+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."
}