{
  "url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-3",
  "json_url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-3.json",
  "legislation": "uksi/1993/1746",
  "legislation_title": "The Chemicals (Hazard Information and Packaging) Regulations 1993",
  "legislation_url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993",
  "path": "schedule/4/part/II/paragraph/3",
  "kind": "paragraph",
  "number": "3",
  "heading": "SEVERE EFFECTS AFTER REPEATED OR PROLONGED EXPOSURE",
  "text": "Solid and liquid preparations\n(1) —For substances that produce severe effects after repeated or prolonged exposure (R48), the individual concentration limits specified in Table III determine, when appropriate, the classification of solid and liquid preparations and shall determine which particular risk phrases are to be assigned to them.\nTABLE III\nClassification of the substance\nClassification of the preparation\nT\nXn\n(*) In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20 to R28 are also to be assigned to indicate route of administration or means of exposure.\nT with R48\nconc. ≥ 10% R48 obligatory\n1% ≤ conc. < 10% R48 obligatory\nXn with R48\nconc. ≥ 10% R48 obligatory\nGaseous Preparations\n(2) —For gases that produce severe effects after repeated or prolonged exposure (R48), the individual concentration limits specified in Table IIIA below, expressed as a volume/volume percentage, determine, when appropriate, the classification of gaseous preparations and shall determine which particular risk phrases are to be assigned to them.\nTABLE IIIA\nClassification of the substance (gas)\nClassification of the gaseous preparation\nT\nXn\n(*) In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20, R23 or R26 are also to be assigned to indicate route of administration or means of exposure.\nT with R48\nconc. ≥ 5% R48 obligatory\n0.5% ≤ conc. < 5% R48 obligatory\nXn with R48\nconc. ≥ 5% R48 obligatory",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(*) In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20 to R28 are also to be assigned to indicate route of administration or means of exposure."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "(*) In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20, R23 or R26 are also to be assigned to indicate route of administration or means of exposure."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1993/1746/schedule/4/part/II/paragraph/3",
    "retrieved_at": "2026-10-29T13:53:58.417577+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."
}