{
  "url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016/schedule-1/part-3/chapter-1",
  "json_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016/schedule-1/part-3/chapter-1.json",
  "legislation": "nisr/2016/266",
  "legislation_title": "The Control of Electromagnetic Fields at Work Regulations (Northern Ireland) 2016",
  "legislation_url": "https://openlegislation.uk/control-of-electromagnetic-fields-at-work-regulations-northern-ireland-2016",
  "path": "schedule/1/part/3/chapter/1",
  "kind": "chapter",
  "number": null,
  "heading": "Action Levels – non-thermal effects",
  "text": "Table AL5 - ALs for contact currents\nFrequency of electromagnetic field in which an object is present\nContact current ALs (IC) [mA]\nup to 2.5 kHz\n1.0\n2.5 ≤ f < 100 kHz\n0.4 f\n100 ≤ f ≤10,000 kHz\n40\nTable AL6 - ALs for static magnetic fields\nPotential indirect effect\nMagnetic flux density ALs (B0) [mT]\nInterference with active implanted medical devices\n0.5\nAttraction and projectile risk in the fringe field of high field strength sources (> 100 mT)\n3",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2016/266/schedule/1/part/3/chapter/1",
    "retrieved_at": "2026-10-29T00:55:49.544396+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."
}