{
  "url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-2",
  "json_url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-2.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/2",
  "kind": "paragraph",
  "number": "2",
  "heading": "NON-LETHAL IRREVERSIBLE EFFECTS AFTER A SINGLE EXPOSURE",
  "text": "Solid and liquid preparations\n(1) —For substances that produce non-lethal irreversible effects after a single exposure (R39, R40), the individual concentration limits specified in Table II determine, when appropriate, the classification of solid and liquid preparations and shall determine which particular risk phrases are to be assigned to them.\nTABLE II\nClassification of the substance\nClassification of the preparation\nT+\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 R39\nconc. ≥ 10% R39 obligatory\n1% ≤ conc. < 10% R39 obligatory\n0.1% ≤ conc. < 1% R40 obligatory\nT with R39\nconc. ≥ 10% R39 obligatory\n1% ≤ conc. < 10% R40 obligatory\nXn with R40\nconc. ≥ 10% R40 obligatory\nGaseous Preparations\n(2) —For gases that produce non-lethal irreversible effects after a single exposure (R39, R40), the individual concentration limits specified in Table IIA, 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 IIA\nClassification of the substance (gas)\nClassification of the gaseous preparation\nT+\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 R39\nconc. ≥ 1% R39 obligatory\n0.2% ≤ conc. < 1% R39 obligatory\n0.02% ≤ conc. < 0.2% R40 obligatory\nT with R39\nconc. ≥ 5% R39 obligatory\n0.5% ≤ conc. < 5% R40 obligatory\nXn with R40\nconc. ≥ 5% R40 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/2",
    "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."
}