{
  "url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-2002/schedule-3/part-II",
  "json_url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-2002/schedule-3/part-II.json",
  "legislation": "uksi/2002/2677",
  "legislation_title": "The Control of Substances Hazardous to Health Regulations 2002",
  "legislation_url": "https://openlegislation.uk/control-of-substances-hazardous-to-health-regulations-2002",
  "path": "schedule/3/part/II",
  "kind": "part",
  "number": "II",
  "heading": "CONTAINMENT MEASURES FOR HEALTH AND VETERINARY CARE FACILITIES, LABORATORIES AND ANIMAL ROOMS",
  "text": "Containment measures\nContainment levels\n2\n3\n4\n1\nThe workplace is to be separated from any other activities in the same building.\nNo\nYes\nYes\n2\nInput air and extract air to the workplace are to be filtered using HEPA or equivalent.\nNo\nYes, on extract air\nYes, on input and double on extract air\n3\nAccess is to be restricted to authorised persons only.\nYes\nYes\nYes, via air-lock key procedure\n4\nThe workplace is to be sealable to permit disinfection.\nNo\nYes\nYes\n5\nSpecified disinfection procedure.\nYes\nYes\nYes\n6\nThe workplace is to be maintained at an air pressure negative to atmosphere.\nNo\nYes\nYes\n7\nEfficient vector control eg rodents and insects.\nYes, for animal containment\nYes, for animal containment\nYes\n8\nSurfaces impervious to water and easy to clean.\nYes, for bench\nYes, for bench and floor (and walls for animal containment)\nYes, for bench, floor, walls and ceiling\n9\nSurfaces resistant to acids, alkalis, solvents, disinfectants.\nYes, for bench\nYes, for bench and floor (and walls for animal containment)\nYes, for bench, floor, walls and ceiling\n10\nSafe storage of biological agents.\nYes\nYes\nYes, secure storage\n11\nAn observation window, or alternative, is to be present, so that occupants can be seen.\nNo\nYes\nYes\n12\nA laboratory is to contain its own equipment.\nNo\nYes, so far as is reasonably practicable\nYes\n13\nInfected material, including any animal, is to be handled in a safety cabinet or isolator or other suitable containment.\nYes, where aerosol produced\nYes, where aerosol produced\nYes\n14\nIncinerator for disposal of animal carcases.\nAccessible\nAccessible\nYes, on site",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2002/2677/schedule/3/part/II",
    "retrieved_at": "2026-10-29T06:42:48.271696+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."
}