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  "title": "The Dangerous Substances (Notification and Marking of Sites) Regulations 1990",
  "short_title": "Dangerous Substances (Notification and Marking of Sites) 1990",
  "long_title": "These Regulations require the notification and marking of sites where there is a total quantity of 25 tonnes or more of dangerous substances present at the site.",
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    },
    {
      "type": "words added",
      "affected_provisions": "Sch. 2 Pt. I heading",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(7)"
    },
    {
      "type": "words added",
      "affected_provisions": "Sch. 2 Pt. II heading",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(10)"
    },
    {
      "type": "inserted",
      "affected_provisions": "Sch. 2 Pt. I para. 4A",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(8)"
    },
    {
      "type": "added",
      "affected_provisions": "Sch. 2 Pt. I para. 6",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(9)"
    },
    {
      "type": "words inserted",
      "affected_provisions": "Sch. 2 Pt. II para. 1",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(11)"
    },
    {
      "type": "substituted",
      "affected_provisions": "Sch. 2 Pt. II para. 2",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(12)"
    },
    {
      "type": "words inserted",
      "affected_provisions": "reg. 2(1)",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(2)"
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    {
      "type": "words inserted",
      "affected_provisions": "reg. 2(3)",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(3)(i)"
    },
    {
      "type": "words inserted",
      "affected_provisions": "reg. 2(3)",
      "affecting": "uksi/2013/448",
      "affecting_title": "The Health and Safety (Miscellaneous Repeals, Revocations and Amendments) Regulations 2013",
      "affecting_provisions": "reg. 3(3)(iii)"
    },
    {
      "type": "substituted",
      "affected_provisions": "Sch. 1 para. 2(c)",
      "affecting": "uksi/2014/1637",
      "affecting_title": "The Petroleum (Consolidation) Regulations 2014",
      "affecting_provisions": "Sch. 4 Pt. 2 para. 7(a)"
    },
    {
      "type": "substituted",
      "affected_provisions": "Sch. 1 para. 4",
      "affecting": "uksi/2014/1637",
      "affecting_title": "The Petroleum (Consolidation) Regulations 2014",
      "affecting_provisions": "Sch. 4 Pt. 2 para. 7(b)"
    },
    {
      "type": "substituted",
      "affected_provisions": "reg. 8",
      "affecting": "uksi/2014/469",
      "affecting_title": "The Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) Order 2014",
      "affecting_provisions": "Sch. 3 para. 45"
    },
    {
      "type": "words substituted",
      "affected_provisions": "reg. 8(3)",
      "affecting": "uksi/2015/1682",
      "affecting_title": "The Office of Rail Regulation (Change of Name) Regulations 2015",
      "affecting_provisions": "Sch. para. 10(a)"
    },
    {
      "type": "words substituted",
      "affected_provisions": "Sch. 1 para. 2(d)",
      "affecting": "uksi/2016/721",
      "affecting_title": "The Dangerous Goods in Harbour Areas Regulations 2016",
      "affecting_provisions": "Sch. 5 para. 1"
    },
    {
      "type": "words inserted",
      "affected_provisions": "reg. 2(1)",
      "affecting": "wsi/2005/2929",
      "affecting_title": "The Fire and Rescue Services Act 2004 (Consequential Amendments) (Wales) Order 2005",
      "affecting_provisions": "art. 21"
    }
  ],
  "made_under": [
    {
      "id": "ukpga/1974/37",
      "title": "Health and Safety at Work etc. Act 1974",
      "url": "https://openlegislation.uk/health-and-safety-at-work-etc-act-1974",
      "provisions": []
    }
  ],
  "changes_made_to": 53,
  "changes_made_to_url": "https://openlegislation.uk/dangerous-substances-notification-and-marking-of-sites-regulations-1990/changes.json",
  "changes_made_by": 0,
  "changes_made_by_url": "https://openlegislation.uk/dangerous-substances-notification-and-marking-of-sites-regulations-1990/changes/by-it.json",
  "instruments_made_under": 0,
  "instruments_made_under_url": "https://openlegislation.uk/dangerous-substances-notification-and-marking-of-sites-regulations-1990/instruments.json",
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1990/304",
    "retrieved_at": "2026-10-29T15:27:34.752238+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."
}