{
  "url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-1",
  "json_url": "https://openlegislation.uk/chemicals-hazard-information-and-packaging-regulations-1993/schedule-4/part-II/paragraph-1.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/1",
  "kind": "paragraph",
  "number": "1",
  "heading": "ACUTE LETHAL EFFECTS",
  "text": "Solid and liquid preparations\n(1) —The concentration limits fixed in Table 1 determine the classification of solid and liquid preparations in relation to the individual concentration of the substance(s) present whose classification is also shown.\nTABLE I\nClassification of the substance\nClassification of the preparation\nT+\nT\nXn\nThe risk phrases denoting risk shall be assigned to the preparation in accordance with the following criteria:\nthe label shall include one or more of the above-mentioned risk phrases according to the classification used,\nin general, the risk phrases selected should be those applicable to the substance(s) present in the concentration which gives rise to the most severe classification.\nT+ with R26, R27, R28\nconc. ≥ 7%\n1% ≤ conc. < 7%\n0.1% ≤ conc. < 1%\nT with R23, R24, R25\nconc. ≥ 25%\n3% ≤ conc. < 25%\nXn with R20, R21, R22\nconc. ≥ 25%\n(2) Gaseous Preparations—The concentration limits expressed as a volume/volume percentage in Table 1A below determine the classification of gaseous preparations in relation to the individual concentration of the gases present whose classification is also shown.\nTABLE IA\nClassification of the substance (gas)\nClassification of the gaseous preparation\nT+\nT\nXn\nT+ with R26\nconc. ≥ 1%\n0.2% ≤ conc. < 1%\n0.02% ≤ conc. < 0.2%\nT with R23\nconc. ≥ 5%\n0.5% ≤ conc. < 5%\nXn with R20\nconc. ≥ 5%",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1993/1746/schedule/4/part/II/paragraph/1",
    "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."
}