{
  "url": "https://openlegislation.uk/eu-regulation-2011-291/annex/division-1",
  "json_url": "https://openlegislation.uk/eu-regulation-2011-291/annex/division-1.json",
  "legislation": "eur/2011/291",
  "legislation_title": "Commission Regulation (EU) No 291/2011 of 24 March 2011 on essential uses of controlled substances other than hydrochlorofluorocarbons for laboratory and analytical purposes in the Union under Regulation (EC) No 1005/2009 of the European Parliament and of the Council on substances that deplete the ozone layer",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2011-291",
  "path": "annex/division/1",
  "kind": "division",
  "number": "1",
  "heading": "The following uses of controlled substances other than hydrochlorofluorocarbons are considered as essential laboratory and analytical uses:",
  "text": "(a) the use of controlled substances as a reference or standard:\nto calibrate equipment which uses controlled substances,\nto monitor emission levels of controlled substances,\nto determine residue levels of controlled substances in goods, plants and commodities;\n(b) the use of controlled substances in laboratory toxicological studies;\n(c) laboratory uses in which the controlled substance is transformed in a chemical reaction like controlled substances used as feedstock;\n(d) the use of methyl bromide inside a laboratory to compare the efficacy of methyl bromide and its alternatives;\n(e) the use of carbon tetrachloride as a solvent for bromination reactions involving N-bromosuccineimide;\n(f) the use of carbon tetrachloride as chain transfer agent in free-radical polymerisation reactions;\n(g) any other laboratory and analytical use for which a technically and economically feasible alternative is not available.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2011/291/annex/division/1",
    "retrieved_at": "2026-11-01T14:50:14.611355+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."
}