{
  "url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-21/paragraph-24",
  "json_url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-21/paragraph-24.json",
  "legislation": "ssi/2018/219",
  "legislation_title": "The Environmental Authorisations (Scotland) Regulations 2018",
  "legislation_url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018",
  "path": "schedule/21/paragraph/24",
  "kind": "paragraph",
  "number": "24",
  "heading": "Calculation of emission limit values",
  "text": "(1) All emission limit values are to be calculated—\n(a) at a temperature of 273.15K,\n(b) a pressure of 101.3kPa,\n(c) after correction for the water vapour content of the waste gases,\n(d) at a standardised O2 content of—\n(i) 6% for solid fuels,\n(ii) 3% for combustion plants other than gas turbines and gas engines using liquid and gaseous fuels,\n(iii) 15% for gas turbines and gas engines.\n(2) In case of combined cycle gas turbines with supplementary firing, the standardised O2 content may be defined by SEPA, taking into account the specific characteristics of the installation concerned.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 21 inserted (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 12 (with sch. 23)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2018/219/schedule/21/paragraph/24",
    "retrieved_at": "2026-10-28T21:11:56.403037+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."
}