{
  "url": "https://openlegislation.uk/chemical-analysis-of-water-status-technical-specifications-regulations-northern-ireland-2011/regulation-5",
  "json_url": "https://openlegislation.uk/chemical-analysis-of-water-status-technical-specifications-regulations-northern-ireland-2011/regulation-5.json",
  "legislation": "nisr/2011/238",
  "legislation_title": "The Chemical Analysis of Water Status (Technical Specifications) Regulations (Northern Ireland) 2011",
  "legislation_url": "https://openlegislation.uk/chemical-analysis-of-water-status-technical-specifications-regulations-northern-ireland-2011",
  "path": "regulation/5",
  "kind": "regulation",
  "number": "5",
  "heading": "Minimum performance criteria for methods of analysis",
  "text": "The Department shall ensure that—\n(a) the minimum performance criteria for all methods of analysis applied are based on uncertainty of measurement of 50% or below (k = 2) estimated at the level of relevant environmental quality standards and a limit of quantification equal or below a value of 30% of the relevant environmental quality standards; and\n(b) in the absence of relevant environmental quality standard for a given parameter, or in the absence of a method of analysis meeting the minimum performance criteria set out in paragraph (a), that monitoring is carried out using best available techniques not entailing excessive costs.",
  "extent": "N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 5 in operation at 20.8.2011, see reg. 1"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2011/238/regulation/5",
    "retrieved_at": "2026-10-29T01:20:51.851808+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."
}