{
  "url": "https://openlegislation.uk/eu-regulation-2009-761/annex-VI/division-2/division-2.2/division-2.2.3",
  "json_url": "https://openlegislation.uk/eu-regulation-2009-761/annex-VI/division-2/division-2.2/division-2.2.3.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/VI/division/2/division/2.2/division/2.2.3",
  "kind": "division",
  "number": "2.2.3",
  "heading": "Plotting concentration-response curves",
  "text": "Concentration-response curves relating mean percentage inhibition of the response variable (Ir, or Iy calculated as shown in the last paragraph of section 2.2.1 or in section 2.2.2) and the log concentration of the test substance should be plotted.",
  "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/VI/division/2/division/2.2/division/2.2.3",
    "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."
}