{
  "url": "https://openlegislation.uk/deregulation-act-2015/schedule-21/paragraph-16",
  "json_url": "https://openlegislation.uk/deregulation-act-2015/schedule-21/paragraph-16.json",
  "legislation": "ukpga/2015/20",
  "legislation_title": "Deregulation Act 2015",
  "legislation_url": "https://openlegislation.uk/deregulation-act-2015",
  "path": "schedule/21/paragraph/16",
  "kind": "paragraph",
  "number": "16",
  "heading": null,
  "text": "After Schedule 1 (which is omitted by paragraph 1 of this Schedule) insert—\n“SCHEDULE 1A\nRegulated substances and reportable substances\nPART 1\nRegulated explosives precursors\nName of substance and Chemical Abstracts Service Registry number (CAS RN)\nConcentration limit (weight in weight)\nHydrogen peroxide (CAS RN 7722-84-1)\n12% w/w\nNitromethane (CAS RN 75-52-5)\n30% w/w\nNitric acid (CAS RN 7697-37-2)\n3% w/w\nPotassium chlorate (CAS RN 3811-04-9)\n40% w/w\nPotassium perchlorate (CAS RN 7778-74-7)\n40% w/w\nSodium chlorate (CAS RN 7775-09-9)\n40% w/w\nSodium perchlorate (CAS RN 7601-89-0)\n40% w/w\nPART 2\nRegulated poisons\nName of substance and Chemical Abstracts Service Registry number (CAS RN)\nConcentration limit (weight in weight)\nAluminium phosphide (CAS RN 20859-73-8)\nArsenic (CAS RN 7440-38-2); its compounds, other than those listed in Part 4 of this Schedule\nBarium (CAS RN 7440-39-3), salts of, other than barium sulphate (CAS RN 7727-43-7) and the salts of barium listed in Part 4 of this Schedule)\nBromomethane (CAS RN 74-83-9)\nChloropicrin (CAS RN 76-06-2)\nFluoroacetic acid (CAS RN 144-49-0); its salts; fluoroacetamide\nHydrogen cyanide (CAS RN 74-90-8); metal cyanides, other than ferrocyanides and ferricyanides\nLead acetates (CAS RN 15347-57-6); compounds of lead with acids from fixed oils\nMagnesium phosphide (CAS RN 12057-74-8)\nMercury (CAS RN 7439-97-6), compounds of, the following—nitrates of mercury; oxides of mercury; mercuric cyanide oxides; mercuric thio cyanate; ammonium mercuric chlorides; potassium mercuric iodides; organic compounds of mercury that contain a methyl (CH3) group directly linked to the mercury atom\nOxalic acid (CAS RN 144-62-7)\n10% w/w\nPhenols (phenol; phenolic isomers of the following—cresols, xylenols, monoethylphenols); compounds of phenols with a metal\n60% w/w of phenols or, for compounds of phenols with a metal, the equivalent of 60% w/w of phenols\nPhosphorus, yellow (CAS RN 7223-14-0)\nStrychnine (CAS RN 57-24-9); its salts; its quaternary compounds\nThallium (CAS RN 7440-28-0), salts of\nPART 3\nReportable explosives precursors\nHexamine (CAS RN 100-97-0)\nSulphuric acid (CAS RN 7664-93-9)\nAcetone (CAS RN 67-64-1)\nPotassium nitrate (CAS RN 7757-79-1)\nSodium nitrate (CAS RN 7631-99-4)\nCalcium nitrate (CAS RN 10124-37-5)\nCalcium ammonium nitrate (CAS RN 15245-12-2)\nAmmonium nitrate (CAS RN 6484-52-2) in concentration of 16% by weight of nitrogen in relation to ammonium nitrate or higher\nPART 4\nReportable poisons\nNote: for circumstances where requirements of this Act do not apply to a specified substance or mixture, see regulations made under section 9B.\nName of substance and Chemical Abstracts Service Registry number (CAS RN)\nConcentration limit (weight in weight or, where specified, total caustic alkalinity)\nAldicarb (CAS RN 116-06-3)\nAlpha-chloralose (CAS RN 15879-93-3)\nAmmonia (CAS RN 7664-41-7 and CAS RN 1336-21-6)\n10% w/w\nArsenic, compounds of, the following—calcium arsenites; copper acetoarsenite; copper arsenates; copper arsenites; lead arsenates\nBarium, salts of, the following—barium carbonate; barium silicofluoride\nCarbofuran (CAS RN 1563-66-2)\nCycloheximide (CAS RN 66-81-9)\nDinitrocresols (DNOC) (CAS RN 534-52-1); their compounds with a metal or a base\nDinoseb (CAS RN 88-85-7); its compounds with a metal or a base\nDinoterb (CAS RN 1420-07-1)\nDrazoxolon; its salts\nEndosulfan (CAS RN 115-29-7)\nEndothal (CAS RN 145-73-3); its salts\nEndrin (CAS RN 72-20-8)\nFentin (CAS RN 668-34-8), compounds of\nFormaldehyde (CAS RN 50-00-0)\n5% w/w\nFormic acid (CAS RN 64-18-6)\n25% w/w\nHydrochloric acid (CAS RN 7647-01-0)\n10% w/w\nHydrofluoric acid (CAS RN 7664-39-3); alkali metal bifluorides; ammonium bifluoride (CAS RN 1341-49-7); alkali metal fluorides; ammonium fluoride (CAS RN 12125-01-8); sodium silicofluoride (CAS RN 16893-85-9)\nMercuric chloride (CAS RN 7487-94-7); mercuric iodide; organic compounds of mercury except compounds that contain a methyl (CH3) group directly linked to the mercury atom\nMetallic oxalates\nMethomyl (CAS RN 16752-77-5)\nNicotine (CAS RN 54-11-5); its salts; its quaternary compounds\nNitrobenzene (CAS RN 98-95-3)\n0.1% w/w\nOxamyl (CAS RN 23135-22-0)\nParaquat (CAS RN 4685-14-7), salts of\nPhenols (as defined in Part 2 of this Schedule) in substances containing no more than 60%, weight in weight, of phenols; compounds of phenols with a metal in substances containing no more than the equivalent of 60%, weight in weight, of phenols\nPhosphoric acid (CAS RN 7664-38-2)\nPhosphorus compounds, the following—azinphos-methyl, chlorfenvinphos, demephion, demeton-S-methyl, demeton-S-methyl sulphone, dialifos, dichlorvos, dioxathion, disulfoton, fonofos, mecarbam, mephosfolan, methidathion, mevinphos, omethoate, oxydemeton-methyl, parathion, phenkapton, phorate, phosphamidon, pirimiphos-ethyl, quinalphos, thiometon, thionazin, triazophos, vamidothion\nPotassium hydroxide (CAS RN 1310-58-3)\n17% of total caustic alkalinity\nSodium hydroxide (CAS RN 1310-73-2)\n12% of total caustic alkalinity\nSodium nitrite\nThiofanox (CAS RN 39196-18-4)\nZinc phosphide (CAS RN 1314-84-7)\n”",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 21 in force for certain purposes at Royal Assent, see s. 115"
    },
    {
      "type": "I",
      "label": "I2",
      "text": "Sch. 21 para. 16 in force at 20.4.2015 for specified purposes by S.I. 2015/994, art. 5"
    },
    {
      "type": "I",
      "label": "I3",
      "text": "Sch. 21 para. 16 in force at 26.5.2015 in so far as not already in force by S.I. 2015/994, art. 6(p)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/2015/20/schedule/21/paragraph/16",
    "retrieved_at": "2026-10-29T09:06:53.696731+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."
}