{
  "url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/5/division/division-4./division-4.2./division-4.2.2./division-4.2.2.1.",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/5/division/division-4./division-4.2./division-4.2.2./division-4.2.2.1..json",
  "legislation": "eur/2017/1151",
  "legislation_title": "Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1151",
  "path": "annex/Sub/5/division/division/4./division/4.2./division/4.2.2./division/4.2.2.1.",
  "kind": "division",
  "number": "4.2.2.1",
  "heading": "Weighing chamber (or room) conditions",
  "text": "(a)The temperature of the weighing chamber (or room) in which the particulate sampling filters are conditioned and weighed shall be maintained to within 22 °C ± 2 °C (22 °C ± 1 °C if possible) during all filter conditioning and weighing.\n(b)Humidity shall be maintained at a dew point of less than 10.5 °C and a relative humidity of 45 per cent ± 8 per cent.\n(c)Limited deviations from weighing chamber (or room) temperature and humidity specifications shall be permitted provided their total duration does not exceed 30 minutes in any one filter conditioning period.\n(d)The levels of ambient contaminants in the weighing chamber (or room) environment that would settle on the particulate sampling filters during their stabilisation shall be minimised.\n(e)During the weighing operation no deviations from the specified conditions are permitted.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1151/annex/Sub/5/division/division/4./division/4.2./division/4.2.2./division/4.2.2.1.",
    "retrieved_at": "2026-11-01T14:44:48.753743+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."
}