{
  "url": "https://openlegislation.uk/eu-regulation-2009-761/annex-III/division-1/division-1.5",
  "json_url": "https://openlegislation.uk/eu-regulation-2009-761/annex-III/division-1/division-1.5.json",
  "legislation": "eur/2009/761",
  "legislation_title": "Commission Regulation (EC) No 761/2009 of 23 July 2009 amending, for the purpose of its adaptation to technical progress, Regulation (EC) No 440/2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2009-761",
  "path": "annex/III/division/1/division/1.5",
  "kind": "division",
  "number": "1.5",
  "heading": "DEMONSTRATION OF PROFICIENCY",
  "text": "Prior to routine use of a validated method that adheres to this Test Method, laboratories may wish to demonstrate technical proficiency, using the ten substances recommended in Table 1. Under this Test Method, the UN GHS optional category 3 is considered as no category. For novel similar (me-too) test methods developed under this Test Method that are structurally and functionally similar to the validated reference methods or for modifications of validated methods, the performance standards described in the Appendix to this Test Method should be used to demonstrate comparable reliability and accuracy of the new test method prior to its use for regulatory testing.\nTable 1\nProficiency Substances which are a subset of the Reference Substances listed in the Appendix\nSubstance\nCAS Number\nIn vivo score\nPhysical state\nGHS category\nnaphthalene acetic acid\n86-87-3\n0\nS\nNo Cat.\nisopropanol\n67-63-0\n0,3\nL\nNo Cat.\nmethyl stearate\n112-61-8\n1\nS\nNo Cat.\nheptyl butyrate\n5870-93-9\n1,7\nL\nOptional Cat. 3\nhexyl salicylate\n6259-76-3\n2\nL\nOptional Cat. 3\ncyclamen aldehyde\n103-95-7\n2,3\nL\nCat. 2\n1-bromohexane\n111-25-1\n2,7\nL\nCat. 2\nbutyl methacrylate\n97-88-1\n3\nL\nCat. 2\n1-methyl-3-phenyl-1-piperazine\n5271-27-2\n3,3\nS\nCat. 2\nHeptanal\n111-71-7\n4\nL\nCat. 2",
  "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/2009/761/annex/III/division/1/division/1.5",
    "retrieved_at": "2026-11-01T14:51:19.625001+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."
}